<SEC-DOCUMENT>0001130464-22-000004.txt : 20220215
<SEC-HEADER>0001130464-22-000004.hdr.sgml : 20220215
<ACCEPTANCE-DATETIME>20220215133040
ACCESSION NUMBER:		0001130464-22-000004
CONFORMED SUBMISSION TYPE:	10-K
PUBLIC DOCUMENT COUNT:		148
CONFORMED PERIOD OF REPORT:	20211231
FILED AS OF DATE:		20220215
DATE AS OF CHANGE:		20220215

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACK HILLS CORP /SD/
		CENTRAL INDEX KEY:			0001130464
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		IRS NUMBER:				460458824
		STATE OF INCORPORATION:			SD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31303
		FILM NUMBER:		22638379

	BUSINESS ADDRESS:	
		STREET 1:		7001 MT RUSHMORE RD
		STREET 2:		PO BOX 1400
		CITY:			RAPID CITY
		STATE:			SD
		ZIP:			57709
		BUSINESS PHONE:		6057212343

	MAIL ADDRESS:	
		STREET 1:		7001 MT RUSHMORE RD
		STREET 2:		PO BOX 1400
		CITY:			RAPID
		STATE:			SD
		ZIP:			57709

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACK HILLS HOLDING CORP
		DATE OF NAME CHANGE:	20001222
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-K
<SEQUENCE>1
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<DESCRIPTION>10-K
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id="i6d02a9484f5a409bb8f6c41c601b9b95_I20220101"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0001130464</xbrli:identifier><xbrli:segment><xbrldi:explicitMember dimension="dei:LegalEntityAxis">bkh:SouthDakotaElectricMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:SupplyCommitmentAxis">bkh:PurchasePowerContractMEANMember</xbrldi:explicitMember><xbrldi:explicitMember dimension="us-gaap:SubsequentEventTypeAxis">us-gaap:SubsequentEventMember</xbrldi:explicitMember></xbrli:segment></xbrli:entity><xbrli:period><xbrli:instant>2022-01-01</xbrli:instant></xbrli:period></xbrli:context></ix:resources></ix:header></div><div id="id989d46d3f644c989facd8bd19325da5_1"></div><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">UNITED STATES</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">SECURITIES AND EXCHANGE COMMISSION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Washington, DC&#160;&#160;20549</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Form <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:DocumentType" 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OF THE SECURITIES EXCHANGE ACT OF 1934</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">For the fiscal year ended <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:DocumentPeriodEndDate" format="ixt:date-monthname-day-year-en" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xL2ZyYWc6MThlNDJiMmYzNjJmNDEwZDljNWRkNDEyMGI2NTVmYzYvdGV4dHJlZ2lvbjoxOGU0MmIyZjM2MmY0MTBkOWM1ZGQ0MTIwYjY1NWZjNl8yMDE_925577aa-a309-4b54-8547-c18b4d3a6aa6"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:CurrentFiscalYearEndDate" format="ixt:date-monthname-day-en" 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:120%"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:EntityAddressCityOrTown" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xL2ZyYWc6MThlNDJiMmYzNjJmNDEwZDljNWRkNDEyMGI2NTVmYzYvdGV4dHJlZ2lvbjoxOGU0MmIyZjM2MmY0MTBkOWM1ZGQ0MTIwYjY1NWZjNl8zMTEz_a3d7e2ba-1639-4e0d-ae9d-0f604aeecc28">Rapid City</ix:nonNumeric>, <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:EntityAddressStateOrProvince" format="ixt-sec:stateprovnameen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xL2ZyYWc6MThlNDJiMmYzNjJmNDEwZDljNWRkNDEyMGI2NTVmYzYvdGV4dHJlZ2lvbjoxOGU0MmIyZjM2MmY0MTBkOWM1ZGQ0MTIwYjY1NWZjNl8zMTI0_f947ab65-0655-4f3f-9df2-cad12d2ef8fd">South Dakota</ix:nonNumeric>  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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xL2ZyYWc6MThlNDJiMmYzNjJmNDEwZDljNWRkNDEyMGI2NTVmYzYvdGV4dHJlZ2lvbjoxOGU0MmIyZjM2MmY0MTBkOWM1ZGQ0MTIwYjY1NWZjNl81Nzc_d03a3236-db65-457f-8b4e-65e0ce02da17">605</ix:nonNumeric>) <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:LocalPhoneNumber" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xL2ZyYWc6MThlNDJiMmYzNjJmNDEwZDljNWRkNDEyMGI2NTVmYzYvdGV4dHJlZ2lvbjoxOGU0MmIyZjM2MmY0MTBkOWM1ZGQ0MTIwYjY1NWZjNl8zMTI1_687da028-acb1-4ecd-84ba-9c7719491c98">721-1700</ix:nonNumeric></span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:98.840%"><tr><td style="width:1.0%"></td><td style="width:24.119%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.348%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.776%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:4.325%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.776%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.348%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.608%"></td><td style="width:0.1%"></td></tr><tr><td colspan="21" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Securities registered pursuant to Section 12(b) of the Act:</span></td></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Title of each class</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Trading Symbol</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Name of each exchange on which registered</span></td></tr><tr><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:Security12bTitle" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xL2ZyYWc6MThlNDJiMmYzNjJmNDEwZDljNWRkNDEyMGI2NTVmYzYvdGFibGU6YjQ5OWUyYWNhOWFlNDViZDg1MGU1NzIyYzlmOWIzNTQvdGFibGVyYW5nZTpiNDk5ZTJhY2E5YWU0NWJkODUwZTU3MjJjOWY5YjM1NF8yLTAtMS0xLTA_d78e978a-e021-4724-b80b-34fbdf265fc8">Common stock of $1.00 par value</ix:nonNumeric></span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:TradingSymbol" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xL2ZyYWc6MThlNDJiMmYzNjJmNDEwZDljNWRkNDEyMGI2NTVmYzYvdGFibGU6YjQ5OWUyYWNhOWFlNDViZDg1MGU1NzIyYzlmOWIzNTQvdGFibGVyYW5nZTpiNDk5ZTJhY2E5YWU0NWJkODUwZTU3MjJjOWY5YjM1NF8yLTItMS0xLTA_b59fa418-43d1-46f2-a357-8e15d3e40032">BKH</ix:nonNumeric></span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:SecurityExchangeName" format="ixt-sec:exchnameen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xL2ZyYWc6MThlNDJiMmYzNjJmNDEwZDljNWRkNDEyMGI2NTVmYzYvdGFibGU6YjQ5OWUyYWNhOWFlNDViZDg1MGU1NzIyYzlmOWIzNTQvdGFibGVyYW5nZTpiNDk5ZTJhY2E5YWU0NWJkODUwZTU3MjJjOWY5YjM1NF8yLTQtMS0xLTA_cea9d4bc-429d-4f97-85b8-eea0106c190f">New York Stock Exchange</ix:nonNumeric></span></td></tr></table></div><div style="text-align:center"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:EntityWellKnownSeasonedIssuer" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xL2ZyYWc6MThlNDJiMmYzNjJmNDEwZDljNWRkNDEyMGI2NTVmYzYvdGV4dHJlZ2lvbjoxOGU0MmIyZjM2MmY0MTBkOWM1ZGQ0MTIwYjY1NWZjNl8zMTE3_5bf4ae7e-4fae-48fe-8e3b-a561024b6f37">Yes</ix:nonNumeric> &#9746;  No &#9744;</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes &#9744;  <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:EntityVoluntaryFilers" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xL2ZyYWc6MThlNDJiMmYzNjJmNDEwZDljNWRkNDEyMGI2NTVmYzYvdGV4dHJlZ2lvbjoxOGU0MmIyZjM2MmY0MTBkOWM1ZGQ0MTIwYjY1NWZjNl8zMTIx_870feda4-fa10-420f-a3e3-1c318e38e798">No</ix:nonNumeric> &#9746;</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:EntityCurrentReportingStatus" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xL2ZyYWc6MThlNDJiMmYzNjJmNDEwZDljNWRkNDEyMGI2NTVmYzYvdGV4dHJlZ2lvbjoxOGU0MmIyZjM2MmY0MTBkOWM1ZGQ0MTIwYjY1NWZjNl8zMTIy_416e4d4c-115e-4c34-afc2-4bbd8051a9e0">Yes</ix:nonNumeric> &#9746;  No &#9744;</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (&#167; 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).  <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:EntityInteractiveDataCurrent" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xL2ZyYWc6MThlNDJiMmYzNjJmNDEwZDljNWRkNDEyMGI2NTVmYzYvdGV4dHJlZ2lvbjoxOGU0MmIyZjM2MmY0MTBkOWM1ZGQ0MTIwYjY1NWZjNl8zMTI2_0918b1f3-b9c2-4da7-aa20-b283b6d5cb94">Yes</ix:nonNumeric> &#9746;  No &#9744;</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company.  See the definitions of &#8220;large accelerated filer,&#8221; &#8220;accelerated filer,&#8221; &#8220;smaller reporting company,&#8221; and &#8220;emerging growth company&#8221; in Rule 12b-2 of the Exchange Act.</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:98.405%"><tr><td style="width:1.0%"></td><td style="width:19.665%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:23.494%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:2.287%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.156%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:23.494%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:2.434%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:19.670%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:EntityFilerCategory" format="ixt-sec:entityfilercategoryen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xL2ZyYWc6MThlNDJiMmYzNjJmNDEwZDljNWRkNDEyMGI2NTVmYzYvdGFibGU6MDk3MzBhZTM2Y2M5NDM5NDg5NTExMTA1Y2U3OWRhMjIvdGFibGVyYW5nZTowOTczMGFlMzZjYzk0Mzk0ODk1MTExMDVjZTc5ZGEyMl8wLTEtMS0xLTA_035dde08-1e7a-4d66-8772-1af7c5cbf3c1">Large accelerated filer</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#9746;</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Accelerated filer</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#9744;</span></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:5pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Non-accelerated filer</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#9744;</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Smaller reporting company</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:EntitySmallBusiness" format="ixt-sec:boolballotbox" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xL2ZyYWc6MThlNDJiMmYzNjJmNDEwZDljNWRkNDEyMGI2NTVmYzYvdGFibGU6MDk3MzBhZTM2Y2M5NDM5NDg5NTExMTA1Y2U3OWRhMjIvdGFibGVyYW5nZTowOTczMGFlMzZjYzk0Mzk0ODk1MTExMDVjZTc5ZGEyMl8yLTUtMS0xLTA_f87d673a-3c52-43e6-9a84-013e7d3ec6c4">&#9744;</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:5pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Emerging growth company</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:EntityEmergingGrowthCompany" format="ixt-sec:boolballotbox" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xL2ZyYWc6MThlNDJiMmYzNjJmNDEwZDljNWRkNDEyMGI2NTVmYzYvdGFibGU6MDk3MzBhZTM2Y2M5NDM5NDg5NTExMTA1Y2U3OWRhMjIvdGFibGVyYW5nZTowOTczMGFlMzZjYzk0Mzk0ODk1MTExMDVjZTc5ZGEyMl80LTUtMS0xLTA_8c9f7230-b158-4cef-bca2-78c02fcdeb41">&#9744;</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">If an emerging growth company, indicate by check mark if the Registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. &#9744;</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">Indicate by check mark whether the registrant has filed a report on and attestation to its management&#8217;s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C.7262(b)) by the registered public accounting firm that prepared or issued its audit report. 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name="dei:EntityPublicFloat" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xL2ZyYWc6MThlNDJiMmYzNjJmNDEwZDljNWRkNDEyMGI2NTVmYzYvdGV4dHJlZ2lvbjoxOGU0MmIyZjM2MmY0MTBkOWM1ZGQ0MTIwYjY1NWZjNl8yODI0_917aea6b-e1a9-4f01-aa34-2f8a9074ee3b">4,135,954,577</ix:nonFraction></span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:98.985%"><tr><td style="width:1.0%"></td><td style="width:47.948%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.784%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:17.787%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.081%"></td><td style="width:0.1%"></td></tr><tr><td colspan="12" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Indicate the number of shares outstanding of each of the registrant&#8217;s classes of common stock, as of the latest practicable date.</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline">Class</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline">Outstanding at January 31, 2022</span></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common stock, $1.00 par value</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i94e7778ce0c54e99a29c24985614e405_I20220131" decimals="INF" name="dei:EntityCommonStockSharesOutstanding" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xL2ZyYWc6MThlNDJiMmYzNjJmNDEwZDljNWRkNDEyMGI2NTVmYzYvdGFibGU6NWJhYmIyZDEwYWY3NGYyZWI0NzEwNjYyZDIxZGJlMjMvdGFibGVyYW5nZTo1YmFiYjJkMTBhZjc0ZjJlYjQ3MTA2NjJkMjFkYmUyM18yLTEtMS0xLTA_da47726d-9f6b-4b22-9e1a-db5f108dac6b">64,738,725</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">shares</span></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:120%">Documents Incorporated by Reference</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:DocumentsIncorporatedByReferenceTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xL2ZyYWc6MThlNDJiMmYzNjJmNDEwZDljNWRkNDEyMGI2NTVmYzYvdGV4dHJlZ2lvbjoxOGU0MmIyZjM2MmY0MTBkOWM1ZGQ0MTIwYjY1NWZjNl8zMTI3_00d7a6a8-8cfc-46ef-b56d-60ca56f97845" escape="true">Portions of the registrant&#8217;s Definitive Proxy Statement being prepared for the solicitation of proxies in connection with the 2022 Annual Meeting of Stockholders to be held on April&#160;26, 2022, are incorporated by reference in Part III of this Form 10-K.</ix:nonNumeric></span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><span><br/></span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_4"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">TABLE OF CONTENTS</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:14.250%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:36.326%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:36.326%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.698%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Page</span></td></tr><tr><td colspan="9" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_7">GLOSSARY OF TERMS AND ABBREVIATIONS</a></span></div></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_7">4</a></span></div></td></tr><tr><td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_10">WEBSITE ACCESS TO REPORTS</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_10">9</a></span></div></td></tr><tr><td colspan="9" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_13">FORWARD-LOOKING INFORMATION</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_13">9</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_16">Part I</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_19">ITEM 1.</a></span></div></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_19">BUSINESS</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_19">10</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_22">History and Organization</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_22">10</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_25">Electric Utilities</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_25">10</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_28">Gas Utilities</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_28">15</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_31">Utility Regulation Characteristics</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_31">18</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_40">Environmental Matters</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_40">18</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_46">Human Capital Resources</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_46">19</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_49">ITEM 1A.</a></span></div></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_49">RISK FACTORS</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_49">21</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_52">ITEM 1B.</a></span></div></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_52">UNRESOLVED STAFF COMMENTS</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_52">27</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_43">ITEM 2.</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_43">PROPERTIES</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_43">27</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_55">ITEM 3.</a></span></div></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_55">LEGAL PROCEEDINGS</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_55">27</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_58">ITEM 4.</a></span></div></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_58">MINE SAFETY DISCLOSURES</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_58">27</a></span></div></td></tr><tr><td colspan="9" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_61">INFORMATION ABOUT OUR EXECUTIVE OFFICERS</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_61">28</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_64">Part II</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_67">ITEM 5.</a></span></div></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_67">MARKET FOR REGISTRANT&#8217;S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_67">29</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_70">ITEM 6.</a></span></div></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_70">RESERVED</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_70">30</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_73">ITEM 7.</a></span></div></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_73">MANAGEMENT&#8217;S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_73">30</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_76">Executive Summary</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_76">30</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_79">Key Elements of our Business Strategy</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_79">31</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_85">Recent Developments</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_85">34</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_88">Results of Operations - Consolidated Summary and Overview</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_88">36</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_91">Non-GAAP Financial Measure</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_91">37</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_94">Electric Utilities</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_94">38</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_97">Gas Utilities</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_97">42</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_106">Corporate and Other</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_106">44</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_109">Consolidated Interest Expense, Impairment of Investment, Other Income (Expense) and Income Tax Benefit (Expense)</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_109">45</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_112">Liquidity and Capital Resources</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_112">46</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_115">Cash Flow Activities</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_115">46</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_118">Capital Resources</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_118">47</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_121">Credit Ratings</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_121">49</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_124">Capital Requirements</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_124">50</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_127">Critical Accounting Estimates</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_127">51</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_133">ITEM 7A.</a></span></div></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_133">QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_133">54</a></span></div></td></tr><tr style="height:107pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr></table></div><div style="height:36pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">2</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span><br/></span></div></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:14.250%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:36.326%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:36.326%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.698%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_136">ITEM 8.</a></span></div></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_136">FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_136">56</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_139">Management&#8217;s Report on Internal Controls Over Financial Reporting</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_139">56</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_142">Reports of Independent Registered Public Accounting Firm</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_142">57</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_151">Consolidated Statements of Income</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_151">60</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_157">Consolidated Statements of Comprehensive Income</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_157">61</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_160">Consolidated Balance Sheets</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_160">62</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_163">Consolidated Statements of Cash Flows</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_163">64</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_166">Consolidated Statements of Equity</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_166">65</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_169">Notes to Consolidated Financial Statements</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_169">66</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_172">Note 1. Business Description and Significant Accounting Policies</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_172">66</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_175">Note 2. Regulatory Matters</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_175">75</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_178">Note 3. Commitments, Contingencies and Guarantees</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_178">79</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_181">Note 4. Revenue</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_181">84</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_184">Note 5. Property, Plant and Equipment</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_184">85</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_187">Note 6. Jointly Owned Facilities</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_187">86</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_190">Note 7. Asset Retirement Obligations</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_190">88</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_196">Note </a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_196">8</a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_196">. Financing</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_196">88</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_202">Note </a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_202">9</a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_202">. Risk Management and Derivatives</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_202">92</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_205">Note </a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_205">10</a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_205">. Fair Value Measurements</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_205">95</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_208">Note </a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_208">11</a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_208">. Other Comprehensive Income</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_208">97</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_211">Note </a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_211">12</a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_211">. Variable Interest Entity</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_205">95</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_214">Note </a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_214">13</a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_214">. Employee Benefit Plans</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_214">98</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_217">Note </a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_217">14</a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_217">. Share-based Compensation Plans</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_217">105</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_220">Note </a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_220">15</a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_220">. Income Taxes</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_220">107</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_223">Note </a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_223">16</a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_223">. Business Segment Information</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_223">111</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18.75pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_226">Note 17. Subsequent Events</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_226">114</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_229">ITEM 9.</a></span></div></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_229">CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_229">114</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_232">ITEM 9A.</a></span></div></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_232">CONTROLS AND PROCEDURES</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_232">114</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_235">ITEM 9B.</a></span></div></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_235">OTHER INFORMATION</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_235">114</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_2281">ITEM 9C.</a></span></div></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_2281">DISCLOSURE REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONS</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_2281">114</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_238">Part III</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_241">ITEM 10.</a></span></div></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_241">DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_241">115</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_244">ITEM 11.</a></span></div></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_244">EXECUTIVE COMPENSATION</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_244">115</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_247">ITEM 12.</a></span></div></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_247">SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_247">115</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_250">ITEM 13.</a></span></div></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_250">CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS</a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_250"> AND DIRECTOR INDEPENDENCE</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_250">115</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_253">ITEM 14.</a></span></div></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_253">PRINCIPAL ACCOUNTANT FEES AND SERVICES</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_253">115</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_256">Part IV</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_259">ITEM 15.</a></span></div></td><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_259">EXHIBITS, FINANCIAL STATEMENT SCHEDULES</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_259">115</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_265">ITEM 16.</a></span></div></td><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_265">FORM 10-K SUMMARY</a></span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_265">119</a></span></div></td></tr><tr><td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_268">SIGNATURES</a></span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_268">120</a></span></div></td></tr></table></div><div style="height:36pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">3</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_7"></div><hr style="page-break-after:always"/><div style="min-height:36pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">GLOSSARY OF TERMS AND ABBREVIATIONS</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following terms and abbreviations appear in the text of this report and have the definitions described below:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:28.139%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:69.661%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">AC</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Alternating Current</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">AFUDC</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Allowance for Funds Used During Construction</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">AOCI</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accumulated Other Comprehensive Income (Loss)</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">APSC</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Arkansas Public Service Commission</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Arkansas Gas</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Energy Arkansas, Inc., an indirect, wholly-owned subsidiary of Black Hills Utility Holdings, providing natural gas services to customers in Arkansas (doing business as Black Hills Energy).</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">ARO</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Asset Retirement Obligations</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">ASC</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accounting Standards Codification</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">ASU</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accounting Standards Update as issued by the FASB</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">ATM</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">At-the-market equity offering program</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Availability</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The availability factor of a power plant is the percentage of the time that it is available to provide energy.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">BHC</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Corporation; the Company</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">BHSC</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Service Company, LLC, a direct, wholly-owned subsidiary of Black Hills Corporation (doing business as Black Hills Energy)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Colorado IPP</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Colorado IPP, LLC, a 50.1% owned subsidiary of Black Hills Electric Generation</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Electric Generation</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Electric Generation, LLC, a direct, wholly-owned subsidiary of Black Hills Non-regulated Holdings, providing wholesale electric capacity and energy primarily to our affiliate utilities.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Energy</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The name used to conduct the business of our utility companies</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Energy Services</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Energy Services Company, an indirect, wholly-owned subsidiary of Black Hills Utility Holdings, providing natural gas commodity supply for the Choice Gas Programs (doing business as Black Hills Energy).</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Non-regulated Holdings</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Non-regulated Holdings, LLC, a direct, wholly-owned subsidiary of Black Hills Corporation</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Power</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Power, Inc., a direct, wholly-owned subsidiary of Black Hills Corporation (doing business as Black Hills Energy). Also known as South Dakota Electric.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Utility Holdings</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Utility Holdings, Inc., a direct, wholly-owned subsidiary of Black Hills Corporation (doing business as Black Hills Energy)</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Wyoming</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Wyoming, LLC, a direct, wholly-owned subsidiary of Black Hills Electric Generation</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Btu</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">British thermal unit</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Busch Ranch I</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The 29 MW wind farm near Pueblo, Colorado, jointly owned by Colorado Electric and Black Hills Electric Generation. Colorado Electric and Black Hills Electric Generation each have a 50% ownership interest in the wind farm. Black Hills Electric Generation provides its share of energy from the wind farm to Colorado Electric through a PPA, which expires in October 2037.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Busch Ranch II</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The 59.4 MW wind farm near Pueblo, Colorado owned by Black Hills Electric Generation to provide wind energy to Colorado Electric through a PPA expiring in November 2044.</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">CARES Act</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coronavirus Aid, Relief, and Economic Security Act, signed on March 27, 2020, which is a tax and spending package intended to provide additional economic relief and address the impact of the COVID-19 pandemic.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">CFTC</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">United States Commodity Futures Trading Commission</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cheyenne Light</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cheyenne Light, Fuel and Power Company, a direct, wholly-owned subsidiary of Black Hills Corporation, providing electric service in the Cheyenne, Wyoming area (doing business as Black Hills Energy). Also known as Wyoming Electric.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cheyenne Prairie</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cheyenne Prairie Generating Station serves the utility customers of South Dakota Electric and Wyoming Electric. The facility includes one simple-cycle, 40 MW combustion turbine that is wholly-owned by Wyoming Electric and one combined-cycle, 100 MW unit that is jointly-owned by Wyoming Electric (42 MW) and South Dakota Electric (58 MW).</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Chief Operating Decision Maker (CODM)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Chief Executive Officer</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Choice Gas Program</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulator-approved programs in Wyoming and Nebraska that allow certain utility customers to select their natural gas commodity supplier, providing the unbundling of the commodity service from the distribution delivery service.  </span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">City of Colorado Springs</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Springs, Colorado</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">City of Gillette</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gillette, Wyoming</span></td></tr></table></div><div style="height:36pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">4</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:36pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:28.139%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:69.661%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Colorado Electric, LLC, a direct, wholly-owned subsidiary of Black Hills Utility Holdings, providing electric service to customers in Colorado (doing business as Black Hills Energy).</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Gas</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Colorado Gas, Inc., an indirect, wholly-owned subsidiary of Black Hills Utility Holdings, providing natural gas services to customers in Colorado (doing business as Black Hills Energy).</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Common Use System</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The Common Use System is a jointly operated transmission system we participate in with Basin Electric Power Cooperative and Powder River Energy Corporation. The Common Use System provides transmission service over these utilities' combined 230-kilovolt (kV) and limited 69-kV transmission facilities within areas of southwestern South Dakota and northeastern Wyoming.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Consolidated Indebtedness to Capitalization Ratio</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Any Indebtedness outstanding at such time, divided by capital at such time. Capital being consolidated net-worth (excluding non-controlling interest) plus consolidated indebtedness (including letters of credit and certain guarantees issued) as defined within the current Revolving Credit Facility. </span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cooling Degree Day</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">A cooling degree day is equivalent to each degree that the average of the high and low temperature for a day is above 65 degrees.&#160;The warmer the climate, the greater the number of cooling degree days.&#160;Cooling degree days are used in the utility industry to measure the relative warmth of weather and to compare relative temperatures between one geographic area and another.&#160;Normal degree days are based on the National Weather Service data for selected locations.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Corriedale</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The 52.5 MW wind farm near Cheyenne, Wyoming, jointly owned by South Dakota Electric (32.5 MW) and Wyoming Electric (20 MW), serving as the dedicated wind energy supply to the Renewable Ready program.</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">COVID-19</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The official name for the 2019 novel coronavirus disease announced on February 11, 2020, by the World Health Organization, that is causing a global pandemic.</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">CP Program</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commercial Paper Program</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">CPUC</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Public Utilities Commission</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">CT</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Combustion Turbine</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">CTII</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The 40 MW Gillette CT, a simple-cycle, gas-fired combustion turbine owned by the City of Gillette. </span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cushion Gas</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The portion of natural gas necessary to force saleable gas from a storage field into the transmission system and for system balancing, representing a permanent investment necessary to use storage facilities and maintain reliability.</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">CVA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Credit Valuation Adjustment</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">DC</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Direct Current</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Dividend Payout Ratio</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Annual dividends paid on common stock divided by net income from continuing operations available for common stock</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">DRSPP</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Dividend Reinvestment and Stock Purchase Plan</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">DSM</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Demand Side Management</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Dth</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Dekatherm. A unit of energy equal to 10 therms or one million British thermal units (MMBtu).</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">EBITDA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Earnings before interest, taxes, depreciation and amortization, a non-GAAP measure.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">ECA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Energy Cost Adjustment is an adjustment that allows us to pass the prudently-incurred cost of fuel and purchased energy through to customers.</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Economy Energy</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Purchased energy that costs less than that produced with the utilities&#8217; owned generation. </span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">EECR</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Energy Efficiency Cost Recovery is an adjustment mechanism that allows us to recover from customers the costs associated with providing energy efficiency programs.</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">EIA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Environmental Improvement Adjustment is an annual adjustment mechanism that allows us to recover from customers eligible investments in, and expense related to, new environmental measures.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Energy Transition</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The global energy sector&#8217;s shift from fossil-based systems of energy production and consumption, including oil, natural gas and coal to renewable energy sources like wind and solar, as well as battery storage solutions.</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">EPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">United States Environmental Protection Agency</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">EWG</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Exempt Wholesale Generator</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">FASB</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Financial Accounting Standards Board</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">FERC</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">United States Federal Energy Regulatory Commission</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fitch</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fitch Ratings Inc.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">GAAP</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accounting principles generally accepted in the United States of America</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">GCA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Cost Adjustment is an adjustment that allows us to pass the prudently-incurred cost of gas and certain services through to customers.</span></td></tr></table></div><div style="height:36pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">5</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:36pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:28.139%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:69.661%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">GHG</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Greenhouse gases</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Global Settlement</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Settlement with a utility&#8217;s commission where the revenue requirement is agreed upon, but the specific adjustments used by each party to arrive at the amount are not specified in public rate orders.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Happy Jack</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Happy Jack Wind Farm, LLC, owned by Duke Energy Generation Services</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Heating Degree Day</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">A heating degree day is equivalent to each degree that the average of the high and the low temperatures for a day is below 65 degrees.&#160;The colder the climate, the greater the number of heating degree days.&#160;Heating degree days are used in the utility industry to measure the relative coldness of weather and to compare relative temperatures between one geographic area and another.&#160;Normal degree days are based on the National Weather Service data for selected locations.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">HomeServe</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">We offer HomeServe products to our natural gas residential customers interested in purchasing additional home repair service plans.</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Integrated Generation</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-regulated power generation and mining businesses that are vertically integrated within our Electric Utilities segment.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Iowa Gas</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Iowa Gas Utility Company, LLC, a direct, wholly-owned subsidiary of Black Hills Utility Holdings, providing natural gas services to customers in Iowa (doing business as Black Hills Energy).</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">IPP</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Independent Power Producer</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">IRC</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Internal Revenue Code</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">IRP</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Integrated Resource Plan</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">IRS</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">United States Internal Revenue Service</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">ITC</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Investment Tax Credit</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">IUB</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Iowa Utilities Board</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Kansas Gas</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Kansas Gas Utility Company, LLC, a direct, wholly-owned subsidiary of Black Hills Utility Holdings, providing natural gas services to customers in Kansas (doing business as Black Hills Energy).</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">KCC</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Kansas Corporation Commission</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">kV</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Kilovolt</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">LIBOR</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">London Interbank Offered Rate</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Mcf</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Thousand cubic feet</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Mcfd</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Thousand cubic feet per day</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MDU</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Montana-Dakota Utilities Co., a subsidiary of MDU Resources Group, Inc.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MEAN</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Municipal Energy Agency of Nebraska</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MISO</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Midcontinent Independent System Operator, Inc.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MMBtu</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Million British thermal units</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Moody&#8217;s</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Moody&#8217;s Investors Service, Inc.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MSHA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">United States Department of Labor&#8217;s Mine Safety and Health Administration</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Megawatts</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MWh</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Megawatt-hours</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Not Applicable</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">NAV</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net Asset Value</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nebraska Gas</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Nebraska Gas, LLC, an indirect, wholly-owned subsidiary of Black Hills Utility Holdings, providing natural gas services to customers in Nebraska (doing business as Black Hills Energy).</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Neil Simpson II</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">A mine-mouth, coal-fired power plant owned and operated by South Dakota Electric with a total capacity of 90 MW located at our Gillette, Wyoming energy complex.</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">NERC</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">North American Electric Reliability Corporation</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">NO</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:1.26pt;vertical-align:baseline">x</span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nitrogen oxide</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">NOL</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net Operating Loss</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">NPSC</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nebraska Public Service Commission</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">OCI</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other Comprehensive Income</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">OPEB</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other Post-Employment Benefits</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">OSHA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">United States Department of Labor&#8217;s Occupational Safety &amp; Health Administration</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">OSM</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">United States Department of the Interior&#8217;s Office of Surface Mining</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PacifiCorp</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PacifiCorp, a wholly owned subsidiary of MidAmerican Energy Holdings Company, itself an affiliate of Berkshire Hathaway.</span></td></tr></table></div><div style="height:36pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">6</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:36pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:28.139%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:69.661%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PCA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Power Cost Adjustment is an annual adjustment mechanism that allows us to pass a portion of prudently-incurred delivered power costs, including fuel, purchased capacity and energy, and transmission costs, through to customers. </span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PCCA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Power Capacity Cost Adjustment is an annual adjustment that allows us to pass the prudently-incurred purchased capacity costs, incremental to costs included in base rates, through to customers.  </span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Peak View</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The 60.8 MW wind farm owned by Colorado Electric.</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Power Purchase Agreement</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PRPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Platte River Power Authority</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PSA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Power Sales Agreement</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PTC</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Production Tax Credit</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pueblo Airport Generation</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The 440 MW combined cycle gas-fired power generation plants jointly owned by Colorado Electric (240 MW) and Black Hills Colorado IPP (200 MW). Black Hills Colorado IPP owns and operates this facility. The plants commenced operation on January 1, 2012.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PUHCA 2005</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Public Utility Holding Company Act of 2005</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Ready</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The Company&#8217;s branding platform which emphasizes that we will 1) prioritize our customers; 2) act as a thoughtful, responsible leader; 3) listen first and lead with a focus on relationships; and 4) be creative in our approach to solutions.</span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">Ready Wyoming</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">A 285-mile, multi-phase transmission expansion project in Wyoming. This transmission project will serve the growing needs of customers by enhancing resiliency of Wyoming Electric&#8217;s overall electric system and expanding access to power markets and renewable resources. The project will help Wyoming Electric maintain top-quartile reliability and enable economic development in the Cheyenne, Wyoming region.</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Renewable Ready</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Voluntary renewable energy subscription program for large commercial, industrial and governmental customers in South Dakota and Wyoming.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">RESA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Renewable Energy Standard Adjustment is an incremental retail rate limited to 2% for Colorado Electric customers that provides funding for renewable energy projects and programs to comply with Colorado&#8217;s Renewable Energy Standard.</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revolving Credit Facility</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Our $750 million credit facility used to fund working capital needs, letters of credit and other corporate purposes, which was amended and restated on July 19, 2021, and now terminates on July 19, 2026.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">RMNG</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Rocky Mountain Natural Gas LLC, an indirect, wholly-owned subsidiary of Black Hills Utility Holdings, providing natural gas transmission and wholesale services in western Colorado (doing business as Black Hills Energy).</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">RTO</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regional Transmission Organization</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">SDPUC</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Public Utilities Commission</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">SEC</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">United States Securities and Exchange Commission</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Service Guard Comfort Plan</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Appliance protection plan that provides home appliance repair services through on-going monthly service agreements to residential utility customers.</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Silver Sage</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Silver Sage Windpower, LLC, owned by Duke Energy Generation Services</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">SO</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:1.26pt;vertical-align:baseline">2</span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Sulfur dioxide</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">S&amp;P</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">S&amp;P Global Ratings, a division of S&amp;P Global Inc.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">SourceGas Transaction</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">On February 12, 2016, Black Hills Utility Holdings acquired SourceGas pursuant to a purchase and sale agreement executed on July 12, 2015 for approximately $1.89 billion, which included the assumption of $760 million in debt at closing.</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Power, Inc., a direct, wholly-owned subsidiary of Black Hills Corporation,  providing electric service to customers in Montana, South Dakota and Wyoming (doing business as Black Hills Energy).</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">SPP</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Southwest Power Pool, a regional transmission organization (RTO) that oversees the bulk electric grid and wholesale power market in the central United States.</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">SSIR</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">System Safety and Integrity Rider</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">System Peak Demand</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Represents the highest point of retail customer usage for a single hour. </span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">TCA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission Cost Adjustment is an annual adjustment mechanism that allows us to recover from customers eligible transmission investments prior to the next rate review.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">TCJA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Tax Cuts and Jobs Act enacted on December 22, 2017</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Tech Services</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-regulated product lines delivered by our Utilities that 1) provide electrical system construction services to large industrial customers of our electric utilities, and 2) serve gas transportation customers throughout its service territory by constructing and maintaining customer-owned gas infrastructure facilities, typically through one-time contracts.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Top of Iowa</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Northern Iowa Windpower, LLC, a 87.1 MW wind farm located near Joice, Iowa, owned by Black Hills Electric Generation and operated by a third-party. We sell the wind energy generated in the MISO market.</span></td></tr></table></div><div style="height:36pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">7</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:36pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:28.139%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:69.661%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">TFA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission Facility Adjustment is an annual adjustment mechanism that allows us to recover charges for qualifying new and modified transmission facilities from customers. </span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission Tie</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric owns 35% of a DC transmission tie that interconnects the Western and Eastern transmission grids, which are independently-operated transmission grids serving the western and eastern United States, respectively. Basin Electric Power Cooperative owns the remaining ownership percentage. This transmission tie allows us to buy and sell energy in the Eastern grid without having to isolate and physically reconnect load or generation between the two transmission grids, thus enhancing the reliability of our system. It accommodates scheduling transactions in both directions simultaneously, provides additional opportunities to sell excess generation or to make economic purchases to serve our native load and contract obligations, and enables us to take advantage of power price differentials between the two grids. The total transfer capacity of the tie is 400 MW, including 200 MW from West to East and 200 MW from East to West.</span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">TSA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">United States Department of Homeland Security&#8217;s Transportation Security Administration</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Utilities</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills&#8217; Electric and Gas Utilities</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">VEBA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Voluntary Employee Benefit Association</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">VIE</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Variable Interest Entity</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind Capacity Factor</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Measures the amount of electricity a wind turbine produces in a given time period relative to its maximum potential</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Winter Storm Uri</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">February 2021 winter weather event that caused extreme cold temperatures in the central United States and led to unprecedented fluctuations in customer demand and market pricing for natural gas and energy.</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Working Capacity</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total gas storage capacity minus cushion gas</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">WPSC</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Public Service Commission</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">WRDC</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyodak Resources Development Corp., a direct, wholly-owned subsidiary of Black Hills Non-regulated Holdings, providing coal supply primarily to five on-site, mine-mouth generating facilities (doing business as Black Hills Energy).</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wygen I</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">A mine-mouth, coal-fired generating facility with a total capacity of 90 MW located at our Gillette, Wyoming energy complex. Black Hills Wyoming owns 76.5% of the facility and Municipal Energy Agency of Nebraska (MEAN) owns the remaining 23.5%.</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wygen II</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">A mine-mouth, coal-fired power plant owned by Wyoming Electric with a total capacity of 95 MW located at our Gillette, Wyoming energy complex.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wygen III</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">A mine-mouth, coal-fired power plant operated by South Dakota Electric with a total capacity of 116 MW located at our Gillette, Wyoming energy complex. South Dakota Electric owns 52% of the power plant, MDU owns 25% and the City of Gillette owns the remaining 23%.  </span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyodak Plant</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The 402.3 MW mine-mouth, coal-fired generating facility located at our Gillette, Wyoming energy complex, jointly owned by PacifiCorp (80%) and South Dakota Electric (20%). Our WRDC mine supplies all of the fuel for the facility.</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cheyenne Light, Fuel and Power Company, a direct, wholly-owned subsidiary of Black Hills Corporation, providing electric service to customers in the Cheyenne, Wyoming area (doing business as Black Hills Energy).</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Gas</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Wyoming Gas, LLC, an indirect, wholly-owned subsidiary of Black Hills Utility Holdings, providing natural gas services to customers in Wyoming (doing business as Black Hills Energy).</span></td></tr></table></div><div style="height:36pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">8</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_10"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline">WEBSITE ACCESS TO REPORTS</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The reports we file with the SEC are available free of charge at our website www.blackhillscorp.com as soon as reasonably practicable after they are filed. In addition, the charters of our Audit, Governance and Compensation Committees are located on our website along with our Code of Business Conduct, Code of Ethics for our Chief Executive Officer and Senior Finance Officers, Corporate Governance Guidelines of the Board of Directors and Policy for Director Independence. The information contained on our website is not part of this document.</span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_13"></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline">FORWARD-LOOKING INFORMATION</span></div><div style="text-align:center"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">This Form&#160;10-K contains forward-looking statements as defined by the SEC. Forward-looking statements are all statements other than statements of historical fact, including, without limitation, those statements that are identified by the words &#8220;anticipates,&#8221; &#8220;estimates,&#8221; &#8220;expects,&#8221; &#8220;intends,&#8221; &#8220;plans,&#8221; &#8220;predicts&#8221; and similar expressions and include statements concerning plans, objectives, goals, strategies, future events or performance, and underlying assumptions and other statements that are other than statements of historical facts. From time to time, the Company may publish or otherwise make available forward-looking statements of this nature, including statements contained within </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_73">Item&#160;7 - Management&#8217;s Discussion &amp; Analysis of Financial Condition and Results of Operations</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Forward-looking statements involve risks and uncertainties, which could cause actual results or outcomes to differ materially from those expressed. The Company&#8217;s expectations, beliefs and projections are expressed in good faith and are believed by the Company to have a reasonable basis, including, without limitation, management&#8217;s examination of historical operating trends, data contained in the Company&#8217;s records and other data available from third parties. Nonetheless, the Company&#8217;s expectations, beliefs or projections may not be achieved or accomplished.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Any forward-looking statement contained in this document speaks only as of the date on which the statement is made and the Company undertakes no obligation to update any forward-looking statement or statements to reflect events or circumstances that occur after the date on which the statement is made or to reflect the occurrence of unanticipated events. New factors emerge from time to time, such as the COVID-19 pandemic or Winter Storm Uri, and it is not possible for management to predict all of the factors, nor can it assess the effect of each factor on the Company&#8217;s business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statement. All forward-looking statements, whether written or oral and whether made by or on behalf of the Company, are expressly qualified by the risk factors and cautionary statements in this Annual Report on Form&#160;10-K, including statements contained within </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_49">Item&#160;1A - Risk Factors</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">9</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_16"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">PART I</span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_19"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 1.&#160;&#160;&#160;&#160;BUSINESS</span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_22"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline">History and Organization</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Black Hills Corporation, a South Dakota corporation (together with its subsidiaries, referred to herein as the &#8220;Company,&#8221; &#8220;we,&#8221; &#8220;us&#8221; or &#8220;our&#8221;), is a customer-focused, growth-oriented utility company headquartered in Rapid City, South Dakota (incorporated in South Dakota in 1941).</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We operate our business in the United States, reporting our operating results through our Electric Utilities and Gas Utilities segments. Certain unallocated corporate expenses that support our operating segments are presented as Corporate and Other. In the fourth quarter of 2021, we integrated our power generation and mining businesses within the Electric Utilities segment. The alignment is consistent with the current way our CODM evaluates the performance of the business and makes decisions related to the allocation of resources. Comparative periods presented reflect this change. See further segment information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_223">Note 16</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Electric Utilities segment generates, transmits and distributes electricity to approximately 218,000 electric utility customers in Colorado, Montana, South Dakota and Wyoming. We also own and operate non-regulated power generation and mining assets that are vertically integrated into our Electric Utilities. Our Electric Utilities own 1,481.5 MW of generation and 8,899 miles of electric transmission and distribution lines.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Gas Utilities segment serves approximately 1,094,000 natural gas utility customers in Arkansas, Colorado, Iowa, Kansas, Nebraska, and Wyoming. Our Gas Utilities own and operate 4,732 miles of intrastate gas transmission pipelines and 41,644 miles of gas distribution mains and service lines, six natural gas storage sites, more than 50,000 horsepower of compression and over 515 miles of gathering lines.</span></div><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_25"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline">Electric Utilities</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We conduct electric utility operations through our Colorado, South Dakota and Wyoming subsidiaries. Our electric generating facilities and power purchase agreements provide for the supply of electricity principally to our retail customers. Additionally, we sell excess power to other utilities and marketing companies, including our affiliates. We also provide non-regulated services to our retail customers under the Service Guard Comfort Plan and Tech Services.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Additionally, we own and operate non-regulated power generation and mining assets that are vertically integrated into and primarily support our Electric Utilities. Nearly all of these operations are located at our electric generating complexes and are physically integrated into our Electric Utilities&#8217; operations.</span></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:57.990%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.536%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.536%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.538%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Retail Customers</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Residential</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">186,852&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">184,872&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">183,232&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commercial</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30,326&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30,225&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">29,921&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Industrial</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">81&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">83&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">83&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,010&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,017&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,024&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Electric Retail Customers at End of Year</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">218,269&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">216,197&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">214,260&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> </span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:57.990%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.536%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.536%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.538%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Retail Customers</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">99,709&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">98,735&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">97,890&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">74,509&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">73,700&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">73,052&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">44,051&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">43,762&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">43,318&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Electric Retail Customers at End of Year</span></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">218,269&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">216,197&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">214,260&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">10</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Capacity and Demand.  </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">System Peak Demand for the Electric Utilities&#8217; retail customers for each of the last three years are listed below:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:38.373%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.402%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.402%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:1.554%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.402%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.402%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:1.554%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.402%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.409%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="24" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">System Peak Demand (in MW)</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="6" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="6" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Summer</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Winter</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Summer</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Winter</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Summer</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Winter</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">407</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">279</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">401</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">297</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">422</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">297</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">397</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">299</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">378</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">304</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">335</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">320</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">274</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">246</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">271</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">246</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">265</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">247</span></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, our Electric Utilities&#8217; ownership interests in electric generating plants were as follows:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:28.724%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.087%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:21.122%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.911%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.958%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.598%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Unit</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel<br/>Type</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Location</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Ownership</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest % </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(d)</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Owned Nameplate Capacity (MW)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">In Service Date</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:11.25pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Busch Ranch I</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pueblo, Colorado</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">50%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">14.5</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2012</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:11.25pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Peak View </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pueblo, Colorado</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60.8</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2016</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pueblo Airport Generation #1-2</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pueblo, Colorado</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">200.0</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2011</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pueblo Airport Generation CT #6</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pueblo, Colorado</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40.0</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2016</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">AIP Diesel</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Oil</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pueblo, Colorado</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.0</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2001</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Diesel #1 and #3-5</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Oil</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pueblo, Colorado</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8.0</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1964</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Diesel #1-5</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Oil</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Rocky Ford, Colorado</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.0</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1964</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cheyenne Prairie</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cheyenne, Wyoming</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">58%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">58.0</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2014</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:11.25pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Corriedale </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cheyenne, Wyoming</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">62%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32.5</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wygen III</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gillette, Wyoming</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">52%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60.3</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2010</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Neil Simpson II</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gillette, Wyoming</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">90.0</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1995</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyodak Plant</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gillette, Wyoming</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">20%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">80.5</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1978</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Neil Simpson CT</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gillette, Wyoming</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40.0</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2000</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Lange CT</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Rapid City, South Dakota</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40.0</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2002</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Ben French Diesel #1-5</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Oil</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Rapid City, South Dakota</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.0</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1965</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Ben French CTs #1-4</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas/Oil</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Rapid City, South Dakota</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100.0</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1977-1979</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cheyenne Prairie</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cheyenne, Wyoming</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">42%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">42.0</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2014</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cheyenne Prairie CT</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cheyenne, Wyoming</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40.0</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2014</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:11.25pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Corriedale </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cheyenne, Wyoming</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">38%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">20.0</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wygen II</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gillette, Wyoming</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">95.0</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2008</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Integrated Generation:</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wygen I</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gillette, Wyoming</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">76.5%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">68.9</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2003</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pueblo Airport Generation #4-5</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pueblo, Colorado</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">50.1%</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (e)</span></div></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">200.0</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2012</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Busch Ranch I </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pueblo, Colorado</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">50%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">14.5</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2012</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Busch Ranch II </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pueblo, Colorado</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">59.4</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Top of Iowa </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Joice, Iowa</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">87.1</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total MW Capacity</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,481.5</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;In 2013, Busch Ranch I was awarded a one-time cash grant in lieu of ITCs under the Section 1603 program created under the American Recovery and Reinvestment Act.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;The Peak View facility qualifies for PTCs at $25/MWh under IRC 45 during the 10-year period beginning November 2016. The PTCs for this facility flow back to customers through a rider mechanism as a reduction to Colorado Electric&#8217;s margins.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;This facility qualifies for PTCs at $25/MWh under IRC 45 during the 10-year period beginning on the date the facility was originally placed in service.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(d)&#160;&#160;&#160;&#160;Jointly owned facilities are discussed in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_187">Note 6</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(e)&#160;&#160;&#160;&#160;In 2016, Black Hills Electric Generation sold a 49.9% non-controlling interest in Black Hills Colorado IPP to a third party. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_211">Note 12</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K for additional information.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span><br/></span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">11</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Electric Utilities&#8217; power supply by resource as a percent of the total power supply for our energy needs for the years ended December 31 was as follows:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:57.233%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.788%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.788%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.791%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Power Supply</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">34.2&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40.3&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40.0&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural Gas and Diesel Oil </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24.4&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">25.0&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">22.2&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11.3&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8.8&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.8&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Generated</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">69.9&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">74.1&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">68.0&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal, Natural Gas, Oil and Other Market Purchases</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">25.1&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21.1&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">29.1&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind Purchases</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.0&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.8&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.9&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Purchased</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30.1&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">25.9&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32.0&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100.0&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100.0&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100.0&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The diesel-fueled generating units are generally used as supplemental peaking units. Power generated from these units, as a percentage of total power supply, was 0.0%, 0.0% and 0.1% for the years ended December 31, 2021, 2020, and 2019, respectively.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Electric Utilities&#8217; weighted average cost of fuel utilized to generate electricity and the average price paid for purchased power (excluding contracted capacity) per MWh for the years ended December 31 were as follows:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:57.233%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.788%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.788%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.791%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel and Purchased Power (dollars per MWh)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11.55&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11.38&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12.42&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural Gas and Diesel Oil </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">33.65&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8.59&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11.04&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Generated Weighted Average Fuel Cost</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17.40&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9.09&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12.48&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal, Natural Gas, Oil and Other Market Purchases</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">64.85&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40.80&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">44.16&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind Purchases</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">34.69&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">42.06&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">49.19&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Purchased Power Weighted Average Cost</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">59.84&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">41.03&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">44.62&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Weighted Average Fuel and Purchased Power Cost</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30.17&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17.36&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">22.76&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="margin-top:5pt;padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The 2021 increase in prices paid for fuel and purchased power was primarily driven by unforeseeable and unprecedented market prices for natural gas and electricity during Winter Storm Uri. See further information in the </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_85">Recent Development</a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_85">s</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> section of Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_73">Item 7</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> and </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_175">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Power Purchase and Power Sales Agreements.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> We have executed various PPAs to support our Electric Utilities&#8217; capacity and energy needs beyond our regulated power plants&#8217; generation, which include long-term related party agreements with our non-regulated power generation businesses. We also have various long-term PSAs. Key contracts are disclosed in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_178">Note 3</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Coal Mining. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We own and operate a single coal mine through our WRDC subsidiary. We surface mine, process and sell low-sulfur sub-bituminous coal at our mine located immediately adjacent to our Gillette energy complex in the Powder River Basin in northeastern Wyoming, where our five coal-fired power plants are located. We produced approximately 3.5 million tons of coal in 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The mine provides low-sulfur coal directly to these five power plants via a conveyor belt system, minimizing transportation costs. On average, the fuel can be delivered to the adjacent power plants at less than $1.00 per MMBtu, providing very cost competitive fuel to our power plants when compared to alternatives. Nearly all of the mine&#8217;s production is sold to our on-site generation facilities under long-term supply contracts.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, we estimated our recoverable reserves to be approximately 178 million tons, based on a life-of-mine engineering study utilizing currently available drilling data and geological information prepared by internal engineering studies. The recoverable reserve life is equal to approximately 51 years at the current production levels.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">12</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Transmission and Distribution. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Through our Electric Utilities, we own electric transmission and distribution systems composed of high voltage lines (greater than 69 kV) and low voltage lines (69 kV or less). We also jointly operate an electric transmission system, referred to as the Common Use System, with Basin Electric Power Cooperative and Powder River Energy Corporation. Each participant in the Common Use System individually owns assets that are operated together for a single system. The Common Use System also provides transmission service to our Transmission Tie. South Dakota Electric owns 35% of the Transmission Tie. The Transmission Tie is further discussed in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_187">Note 6</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">At December 31, 2021, our Electric Utilities owned the electric transmission and distribution lines shown below:</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:42.823%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:25.693%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.541%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.543%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Utility</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in Line Miles)</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Distribution<br/>(in Line Miles)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">598&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,157&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota, Wyoming</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,192&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,566&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">59&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,327&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,849&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,050&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Electric transmission line miles include voltages of 69 kV and above.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;South Dakota Electric transmission line miles include 43 miles within the Common Use System.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Material transmission services agreements are disclosed in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_178">Note 3</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Seasonal Variations of Business. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Electric Utilities are seasonal businesses and weather patterns may impact their operating performance. Demand for electricity is sensitive to seasonal cooling, heating and industrial load requirements, as well as market price. In particular, cooling demand is often greater in the summer and heating demand in often greater in the winter.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Competition. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We generally have limited competition for the retail generation and distribution of electricity in our service areas.  Various legislative or regulatory restructuring and competitive initiatives have been discussed in several of the states in which our utilities operate. These initiatives would be aimed at increasing competition or providing for distributed generation. To date, these initiatives have not had a material impact on our utilities. In Colorado, our electric utility is subject to rules which may require competitive bidding for generation supply. Because of these rules, we face competition from other utilities and non-affiliated IPPs for the right to supply electric energy and capacity for Colorado Electric when resource plans require additional resources. Additionally, electrification initiatives in our service territories could increase demand for electricity and increase customer growth.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The independent power industry consists of many strong and capable competitors, some of which may have more extensive operations or greater financial resources than we possess. With respect to the merchant power sector, FERC has taken steps to increase access to the national transmission grid by utility and non-utility purchasers and sellers of electricity to foster competition within the wholesale electricity markets. Our non-regulated power generation businesses could face greater competition if utilities are permitted to robustly invest in power generation assets. Conversely, state regulatory rules requiring utilities to competitively bid generation resources may provide opportunity for IPPs in some regions. To date, these initiatives have not had a material impact on our non-regulated power generation businesses.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our strategy for our mining business is to sell nearly all of our production to on-site generation facilities under long-term supply contracts. Historically, any off-site sales have been to consumers within close proximity to the WRDC mine. Rail transport market opportunities for WRDC are limited due to the lower heating value (Btu) of the coal, combined with the fact that the WRDC mine is served by only one railroad, resulting in less competitive transportation rates. Additionally, coal competes with other energy sources, such as natural gas, wind, solar and hydropower. Costs and other factors relating to these alternative fuels, such as safety, environmental and availability considerations affect the overall demand for coal as a fuel.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Rates and Regulation. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Electric Utilities are subject to the jurisdiction of the public utilities commissions in the states where they operate and the FERC for certain assets and transactions. These commissions oversee services and facilities, rates and charges, accounting, valuation of property, depreciation rates and various other matters. Rate decisions are influenced by many factors, including the cost of providing service, capital expenditures, the prudence of costs we incur, views concerning appropriate rates of return, general economic conditions and the political environment. Certain commissions also have jurisdiction over the issuance of debt or securities and the creation of liens on property located in their states to secure bonds or other securities.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">13</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table provides regulatory information for each of our Electric Utilities:</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:7.818%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.356%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.841%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.110%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.402%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.940%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:23.315%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.746%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Subsidiary</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Jurisdic-tion</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Authorized Rate of Return on Equity</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Authorized Return on Rate Base</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Authorized Capital Structure Debt/Equity</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Authorized Rate Base (in millions)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Effective Date</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Additional Regulatory Mechanisms</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Percentage of Power Marketing Profit Shared with Customers</span></td></tr><tr style="height:15pt"><td colspan="6" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:middle"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">CO</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9.37%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7.43%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">48%/52%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$539.6</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1/2017</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">ECA, TCA, PCCA, EECR/DSM, RESA</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">90%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">CO</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9.37%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6.02%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">67%/33%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$57.9</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1/2017</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Clean Air Clean Jobs Act Adjustment Rider</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">WY</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9.90%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8.13%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">47%/53%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$46.8</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10/2014</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">ECA</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">65%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">SD</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Global Settlement</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7.76%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Global Settlement</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$543.9</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10/2014</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">ECA, TFA, EIA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">70%</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">FERC</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.80%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8.76%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">43%/57%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$148.4 </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2/2009</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">FERC Transmission Tariff</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">WY</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9.90%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7.98%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">46%/54%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$376.8</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10/2014</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PCA, EECR/DSM, Rate Base Recovery on Acquisition Adjustment</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;For both Colorado Electric and Wyoming Electric, transmission investments are recovered through retail rates rather than FERC Transmission Tariffs.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;Includes $131.3 million in 2021 rate base for the 2021 Projected Common Use System formula rate that is updated annually and $17.1 million in rate base for the Transmission Tie that is based on the approved stated rate from 2005.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The regulatory provisions for recovering the costs to supply electricity vary by state. We have cost adjustment mechanisms for our Electric Utilities that allow us to pass the prudently-incurred cost of fuel and purchased power to customers. These mechanisms allow the utility operating in that state to collect, or refund the difference between the cost of commodities and certain services embedded in our base rates and the actual cost of the commodities and certain services without filing a general rate review. In addition, some states allow for recovery of new capital investment placed in service between base rate reviews through approved rider tariffs. These tariffs allow the utility a return on the investment.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A summary of mechanisms we have in place are shown in the table below:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:26.677%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.619%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.695%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.449%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.671%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.449%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.987%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.653%"></td><td style="width:0.1%"></td></tr><tr style="height:12pt"><td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utility Jurisdiction</span></td><td colspan="21" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cost Recovery Mechanisms</span></td></tr><tr style="height:33pt"><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Environmental Cost</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Energy Efficiency</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission Expense</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel Cost</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission Capital</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Purchased Power</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">RESA</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric (SD) </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:middle"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric (WY) </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric (FERC) </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;South Dakota Electric&#8217;s Environmental Cost (EIA) and Transmission Capital (TFA) tariffs were suspended for a six-year moratorium period effective July 1, 2017. On January 7, 2020, South Dakota Electric received approval from the SDPUC to extend the 6-year moratorium period by an additional 3 years whereby these recovery mechanisms will not be effective prior to July 1, 2026.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;South Dakota Electric has WPSC authorization to accumulate certain Energy Efficiency costs in a regulatory asset with determination of recovery to be made in the next rate review.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;South Dakota Electric has an approved FERC Transmission Tariff based on a formulaic approach that determines the revenue component of South Dakota Electric&#8217;s open access transmission tariff.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Tariff Filings. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_175">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K for tariff filings and additional information regarding current electric regulatory activity.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Operating Statistics</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> See a summary of key operating statistics in the </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_94">Electric Utilities</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> segment operating results within Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_73">Item 7</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">14</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_28"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline">Gas Utilities</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We conduct natural gas utility operations through our Arkansas, Colorado, Iowa, Kansas, Nebraska and Wyoming subsidiaries.  Our Gas Utilities transport and distribute natural gas through our distribution network to approximately 1,094,000 customers. Additionally, we sell contractual pipeline capacity and gas commodities to other utilities and marketing companies, including our affiliates, on an as-available basis.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We also provide non-regulated services to our regulated customers. Black Hills Energy Services provides natural gas supply to approximately 52,400 retail distribution customers under the Choice Gas Program in Nebraska and Wyoming. Additionally, we provide services under the Service Guard Comfort Plan, Tech Services and HomeServe.</span></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:60.742%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.619%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.619%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.620%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Retail Customers</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Residential</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">853,908&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">844,999&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">831,351&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commercial</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">84,234&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">83,135&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">82,912&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Industrial</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,158&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,235&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,208&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transportation</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">153,929&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">152,568&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">149,971&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Natural Gas Retail Customers at End of Year</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,094,229&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,082,937&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,066,442&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:60.742%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.619%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.619%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.620%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Retail Customers</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Arkansas</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">180,216&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">178,281&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">174,447&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">202,747&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">197,817&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">191,950&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Iowa</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">161,905&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">160,952&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">159,641&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Kansas </span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">117,862&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">116,973&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">115,846&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nebraska</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">298,832&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">296,778&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">293,576&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">132,667&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">132,136&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">130,982&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Natural Gas Retail Customers at End of Year</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,094,229&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,082,937&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,066,442&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We procure natural gas for our distribution customers from a diverse mix of producers, processors and marketers and generally use hedging, physical fixed-price purchases and market-based price purchases to achieve dollar-cost averaging within our natural gas portfolio. The majority of our procured natural gas is transported in interstate pipelines under firm transportation service agreements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In addition to company-owned natural gas storage assets in Arkansas, Colorado and Wyoming, we also contract with third-party transportation providers for natural gas storage service to provide gas supply during the winter heating season and to meet peak day customer demand for natural gas.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table summarizes certain information regarding our company-owned regulated underground gas storage facilities as of December 31, 2021:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:33.256%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.543%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.543%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.543%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:17.615%"></td><td style="width:0.1%"></td></tr><tr style="height:15pt"><td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State</span></td><td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Working Capacity (Mcf)</span></td><td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cushion Gas <br/>(Mcf)</span></td><td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Capacity (Mcf)</span></td><td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum Daily Withdrawal Capability (Mcfd)</span></td></tr><tr style="height:15pt"><td colspan="15" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Arkansas</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,273,700&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12,318,040&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21,591,740&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">196,000&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,361,495&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,164,715&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,526,210&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,733,900&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17,145,600&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">22,879,500&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">36,000&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17,369,095&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">35,628,355&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">52,997,450&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">262,000&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">15</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table summarizes certain information regarding our system infrastructure as of December 31, 2021:</span></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:35.117%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:20.160%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:20.160%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:20.163%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Intrastate Gas <br/>Transmission Pipelines<br/>(in line miles)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Distribution<br/>Mains<br/>(in line miles)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Distribution <br/>Service Lines<br/>(in line miles)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Arkansas</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">874&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,972&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,275&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">693&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,990&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,303&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Iowa</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">172&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,863&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,486&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Kansas</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">330&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,980&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,374&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nebraska</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,311&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,443&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,773&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,352&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,532&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,653&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,732&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">29,780&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11,864&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Seasonal Variations of Business. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Gas Utilities are seasonal businesses and weather patterns may impact their operating performance.  Demand for natural gas is sensitive to seasonal heating and industrial load requirements, as well as market price.  In particular, demand is often greater in the winter months for heating. Natural gas is used primarily for residential and commercial heating, and demand for this product can depend heavily upon weather throughout our service territories. As a result, a significant amount of natural gas revenue is normally recognized in the heating season consisting of the first and fourth quarters. Demand for natural gas can also be impacted by summer temperatures and precipitation, which can affect demand for irrigation.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Competition. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We generally have limited competition for the retail distribution of natural gas in our service areas. Various restructuring and competitive initiatives have been discussed in several of the states in which our utilities operate. These initiatives are aimed at increasing competition. Additionally, electrification initiatives in our service territories could negatively impact demand for natural gas and decrease customer growth. To date, these initiatives have not had a material impact on our utilities. Although we face competition from independent marketers for the sale of natural gas to our industrial and commercial customers, in instances where independent marketers displace us as the seller of natural gas, we still collect a charge for transporting the gas through our distribution network.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Rates and Regulation. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Gas Utilities are subject to the jurisdiction of the public utility commissions in the states where they operate. These commissions oversee services and facilities, rates and charges, accounting, valuation of property, depreciation rates and various other matters. The public utility commissions determine the rates we are allowed to charge for our utility services. Rate decisions are influenced by many factors, including the cost of providing service, capital expenditures, the prudence of costs we incur, views concerning appropriate rates of return, general economic conditions and the political environment. Certain commissions also have jurisdiction over the issuance of debt or securities and the creation of liens on property located in their states to secure bonds or other securities.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Gas Utilities are authorized to use natural gas cost recovery mechanisms allowing rate adjustments reflecting changes in the wholesale cost of natural gas and recovery of all the costs prudently incurred in purchasing gas for customers. In addition to natural gas cost recovery mechanisms, other recovery mechanisms, which vary by utility, allow us to recover certain costs or earn a return on capital investments, such as energy efficiency plan costs and system safety and integrity investments.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">16</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table provides regulatory information for each of our natural gas utilities:</span><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:8.416%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.367%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.270%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.124%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.588%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.709%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.513%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:35.213%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Subsidiary</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Jurisdic-tion</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Authorized Rate of Return on Equity</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Authorized Return on Rate Base</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Authorized Capital Structure Debt/Equity</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Authorized Rate Base (in millions)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Effective Date</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Additional Regulatory Mechanisms</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:middle"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Arkansas Gas</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline"> (c)</span></div></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">AR</span></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">9.61%</span></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6.82% </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">51%/49%</span></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$451.5 </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(b)</span></div></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">10/2018</span></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">GCA, Main Replacement Program, At-Risk Meter Relocation Program, Legislative or Regulatory Mandated Expenditures, EECR, Weather Normalization Adjustment, Billing Determinant Adjustment</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Colorado Gas </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(c)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">CO</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">9.20%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6.56%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">50%/50%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$303.2</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1/2022</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">GCA, SSIR, EECR/DSM</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">RMNG </span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">CO</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">9.90%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6.71%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">53%/ 47%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$118.7</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6/2018</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">SSIR, Liquids/Off-system/Market Center Services Revenue Sharing</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Iowa Gas </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(c)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">IA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">9.60%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6.75%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">50%/50%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$300.9</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1/2022</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">GCA, EECR, System Safety and Maintenance Adjustment Rider, Gas Supply Optimization revenue sharing</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:middle"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Kansas Gas</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline"> (c)</span></div></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">KS</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Global Settlement</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Global Settlement</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Global Settlement</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Global Settlement</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1/2022</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">GCA, Weather Normalization Tariff, Gas System Reliability Surcharge, Ad Valorem Tax Surcharge, Cost of Bad Debt Collected through GCA, Pension Levelized Adjustment, Tax Adjustment Rider, Gas Supply Optimization revenue sharing</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Nebraska Gas</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline"> (d)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">NE</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">9.50%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6.71%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">50%/50%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$504.2</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3/2021</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">GCA, Cost of Bad Debt Collected through GCA, Infrastructure System Replacement Cost Recovery Surcharge, Choice Gas Program, SSIR, Bad Debt expense recovered through Choice Supplier Fee, Line Locate Surcharge</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:middle"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Wyoming Gas </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(d)</span></div></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">WY</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">9.40%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6.98%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">50%/50%</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$354.4</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3/2020</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">GCA, EECR, Rate Base Recovery on Acquisition Adjustment, Wyoming Integrity Rider, Choice Gas Program</span></td><td colspan="3" style="display:none"></td></tr></table><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Arkansas Gas return on rate base is adjusted to remove certain liabilities from rate review capital structure for comparison with other subsidiaries.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;Arkansas Gas rate base is adjusted to include certain liabilities for comparison with other subsidiaries.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;For additional information regarding recent rate review updates, see </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_175">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(d)&#160;&#160;&#160;&#160;The Choice Gas Program mechanisms are applicable to only a portion of Nebraska Gas and Wyoming Gas customers.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">All of our Gas Utilities, except where the Choice Gas Program is the only option, have GCAs that allow us to pass the prudently-incurred cost of gas and certain services through to the customer between rate reviews. Some of the mechanisms we have in place include the following:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:22.257%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.848%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.848%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.848%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.848%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.848%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.848%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.855%"></td><td style="width:0.1%"></td></tr><tr style="height:12pt"><td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utility Jurisdiction</span></td><td colspan="21" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cost Recovery Mechanisms</span></td></tr><tr style="height:33pt"><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">DSM/Energy Efficiency</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Integrity Additions</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Bad Debt</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weather Normal</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pension Recovery</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Cost</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue Decoupling</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Arkansas Gas</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Gas</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:middle"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">RMNG </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Iowa Gas</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Kansas Gas</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nebraska Gas</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Gas</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:middle"><span style="color:#000000;font-family:'Wingdings',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#254;</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;RMNG, which is an intrastate transmission pipeline that provides natural gas transmission and wholesale services in western Colorado, has an SSIR recovery mechanism. The other cost recovery mechanisms are not applicable to RMNG.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Tariff Filings. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_175">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K for information regarding current natural gas regulatory activity.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Operating statistics</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">. See a summary of key operating statistics in the </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_97">Gas Utilities</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> segment operating results within Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_73">Item 7</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of this Annual Report on Form 10-K.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">17</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_31"></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline">Utility Regulation Characteristics</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Federal Regulation</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Energy Policy Act.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> The Energy Policy Act of 2005 included provisions to create an Electric Reliability Organization, which is required to promulgate mandatory reliability standards governing the operation of the bulk power system in the U.S. FERC certified NERC as the Electric Reliability Organization and also issued an initial order approving many reliability standards that went into effect in 2007. Entities that violate standards can be subject to fines and can also be assessed non-monetary penalties, depending upon the nature and severity of the violation.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Federal Power Act</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">. The Federal Power Act gives FERC exclusive rate-making jurisdiction over wholesale sales of electricity and the transmission of electricity in interstate commerce. Pursuant to the Federal Power Act, all public utilities subject to FERC&#8217;s jurisdiction must maintain tariffs and rate schedules on file with FERC that govern the rates, and terms and conditions for the provision of FERC-jurisdictional wholesale power and transmission services. Public utilities are also subject to accounting, record-keeping and reporting requirements administered by FERC. FERC also places certain limitations on transactions between public utilities and their affiliates.  Our public Electric Utility subsidiaries provide FERC-jurisdictional services subject to FERC&#8217;s oversight.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Electric Utilities entities are authorized by FERC to make wholesale sales of electric capacity and energy at market-based rates under tariffs on file with FERC. As a condition of their market-based rate authority, Electric Quarterly Reports are filed with FERC. Our Electric Utilities own and operate FERC-jurisdictional interstate transmission facilities and provide open access transmission service under tariffs on file with FERC. Our Electric Utilities are subject to routine audit by FERC with respect to their compliance with FERC&#8217;s regulations.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">PUHCA 2005</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">. PUHCA 2005 provides FERC authority with respect to the books and records of a utility holding company. As a utility holding company whose assets consist primarily of investments in our subsidiaries, including subsidiaries that are public utilities and also a centralized service company subsidiary, BHSC, we are subject to FERC&#8217;s authority under PUHCA 2005.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">PUHCA 2005 reiterated the definition and benefits of EWG status. Under PUHCA 2005, an EWG is an entity or generator engaged, directly or indirectly through one or more affiliates, exclusively in the business of owning, operating or both owning and operating all or part of one or more eligible facilities and selling electric energy at wholesale. Though EWGs are public utilities within the definition set forth in the Federal Power Act and are subject to FERC regulation of rates and charges, they are exempt from other FERC requirements. Through its subsidiaries, Black Hills Corporation is affiliated with three EWGs, Wygen I, Pueblo Airport Generation (facilities #4-5) and Top of Iowa. Each of these three EWGs have been granted market-based rate authority.</span></div><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_40"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline">Environmental Matters</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In November 2020, we announced clean energy goals to reduce GHG emissions that are based on prudent and proven solutions while minimizing cost impacts to our customers. See more information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_79">Key Elements of our Business Strategy</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> within Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_73">Item 7</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We are subject to significant state and federal environmental regulations that encourage the use of clean energy technologies and regulate emissions of GHGs. We have undertaken initiatives to meet current requirements and to prepare for anticipated future regulations, reduce GHG emissions, and respond to state renewable and energy efficiency goals. Compliance with future environmental regulations could result in substantial cost.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In July of 2019, the EPA adopted the Affordable Clean Energy rule, which requires states to develop plans by 2022 for GHG reductions from coal-fired power plants. In a January 2021 decision, the U.S. Court of Appeals for the D. C. Circuit issued a decision vacating and remanding the Affordable Clean Energy rule. That decision, if not successfully appealed or reconsidered, would allow the EPA to proceed with alternate regulation of coal-fired power plants, either reviving the Clean Power Plan or proposing additional regulation. Compliance could result in significant investment.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Environmental risk changes constantly with the implementation of new or modified regulations, changing stakeholder interests and needs, and through the introduction of innovative work practices and technologies. We continually assess risk and develop mitigation strategies to manage and ensure compliance across the enterprise successfully and responsibly. For additional information on environmental matters, see </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_49">Item 1A</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> and </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_178">Note 3</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">18</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_46"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline">Human Capital Resources</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Overview</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Black Hills Corporation is committed to supporting operational excellence by attracting, motivating, retaining and encouraging the development of a highly qualified and diverse employee team. Our employees&#8217; drive and dedication to their work, and their commitment to the safety of our customers and their fellow employees, allows Black Hills Corporation to successfully grow and manage our business year over year. The impacts of COVID-19 to our businesses and employees are discussed in the </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_85">Recent Developments</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> within Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_73">Item 7</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of this Annual Report on Form 10-K.</span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:60.011%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.344%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.345%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Our Team</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total employees</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,884</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,011</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Women in executive leadership positions </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">31%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gender diversity (women as a % of total employees)</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">26%</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">26%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Represented by a union</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">25%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">25%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Military veterans</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">14%</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Ethnic diversity (non-white employees as a % of total)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11%</span></td></tr><tr style="height:8pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">For the year ended December 31, 2021</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">For the year ended December 31, 2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Number of external hires</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">214</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">299</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">External hires gender diversity (as a % of total external hires)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">25%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">29%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">External hires ethnic diversity (as a % of total external hires)</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">20%</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Turnover rate </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Retirement rate</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3%</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3%</span></td></tr></table><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Executive leadership positions are defined as positions with Vice President, Senior Vice President or Chief in their title.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;Includes voluntary and involuntary separations, but excludes internships.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Total Employees</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:76.677%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:21.123%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Number of Employees</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2021</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">420&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,191&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Corporate and Other</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,273&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 43.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,884&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">At December 31, 2021, approximately 20% of our total employees and 22% of our Electric and Gas Utilities employees were eligible for retirement (age 55 with at least 5 years of service).</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Collective Bargaining Agreements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">At December 31, 2021, certain employees of our Electric Utilities and Gas Utilities were covered by the collective bargaining agreements as shown in the table below. We have not experienced any labor stoppages in decades.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">19</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:25.946%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.326%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:29.163%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:29.165%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Utility</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Number of Employees</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Union Affiliation</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Expiration Date of Collective Bargaining Agreement</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">94&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">IBEW Local 667</span></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">April 15, 2023</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">128&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">IBEW Local 1250</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">March 31, 2022</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">25&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">IBEW Local 111</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">June 30, 2024</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total Electric Utilities</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">247&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr style="height:5pt"><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Iowa Gas</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">132&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">IBEW Local 204</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 31, 2026</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Kansas Gas</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Communications Workers of America, AFL-CIO Local 6407</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2024</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nebraska Gas</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">92&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">IBEW Local 244</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">March 13, 2022</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nebraska Gas</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">140&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">CWA Local 7476</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">October 30, 2023</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Gas</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">IBEW Local 111</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">June 30, 2024</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Gas</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">78&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">CWA Local 7476</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">October 30, 2023</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total Gas Utilities</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">473&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr style="height:5pt"><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 43.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Total</span></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">720&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Attraction</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:112%">Continuous attraction of qualified team members is critical to our ability to serve our 1.3&#160;million customers safely and efficiently.  We actively recruit qualified candidates and continuously evaluate our interviewing and hiring practices to ensure equitable pay and processes. Our attraction efforts include the use of multiple nation-wide job boards, local college and high school outreach programs, a robust college internship program and participation in national and local job fairs. We have targeted diversity initiatives specific to recruiting groups, such as women, minorities and veterans, to fulfill our vision of continuing to build a thriving workforce, which is best able to support our communities, our customers and our shareholders.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:112%">Diversity &amp; Inclusion</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">At Black Hills Corporation, we believe in the benefits of diversity, equity and inclusion. We believe that a diverse workforce will assist us in executing our strategic business plans, including our growth strategy. Workforce diversity trends, including diverse new hires, promotions and turnover, are monitored at regular intervals.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Development and Retention</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:112%">Retaining and developing team members is critical to our continued success. Our retention efforts include competitive compensation programs, monitoring employee engagement, career development resources for all employees and internal training programs. Our compensation programs are designed to be strategically aligned, externally competitive, internally equitable, personally motivating, cost effective and legally compliant. We continuously monitor employee engagement through bi-annual engagement surveys and quarterly pulse surveys. Every leader is responsible for creating and implementing an action plan based on their team&#8217;s engagement survey results. Our career development resources include management onboarding, leadership development programs, mentoring programs, individual development assessments and more. Internal training opportunities include corporate-wide trainings and specialized training opportunities for different job functions. Our Field Career Path Program (FCPP) promotes career growth through established standards of knowledge, skills, abilities and performance.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Employee Safety and Wellness</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Safety is one of our company values, a top priority in all we do and deeply embedded in our culture. We are committed to consistently outperforming utility industry averages in key safety metrics. Meetings of three or more employees begin with a safety share, a practice which contributes to keeping safety top of mind. Since 2009, we have reduced workplace injuries by more than 75% and continue to see long-term, sustained improvements in our safety practices and performance.</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:73.607%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:24.193%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">For the year ended December 31, 2021</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Case Incident Rate (incidents per 200,000 hours worked)</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1.06</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Preventable Motor Vehicle Incident Rate (vehicle accidents per 1 million miles driven)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1.81</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Proactive Safety and Wellness Participation Rate</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">71%</span></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:115%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Measures the employee engagement rate in a fitness tracking system used for the Company&#8217;s well-being program.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">20</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_49"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 1A.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:29.82pt">RISK FACTORS</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The nature of our business subjects us to a number of uncertainties and risks. Risks that may adversely affect our business operations, financial condition, results of operations or cash flows are described below. These risk factors, along with other risk factors that we discuss in our periodic reports filed with the SEC should be considered for a better understanding of our Company.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">STRATEGIC RISKS</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Our continued success is dependent on execution of our strategic business plans including our growth strategy.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our success depends, in significant part, on our ability to execute our strategic business plans, including our growth strategy.  Our plans and strategy include building sustainable operations and supporting the Energy Transition; consistently outperforming utility industry averages in key safety metrics; modernizing utility infrastructure; transforming the customer experience; growing our electric and natural gas customer load; and pursuing operating efficiencies. Our current plans and strategy may be negatively impacted by disruptive forces and innovations in the marketplace, changing political, business or regulatory conditions and technology advancements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In addition, we have significant capital investment programs planned for the next five years that are key to our strategic business plans. The successful execution of our capital investment program depends on, or could be affected by, a variety of factors that include, but are not limited to: weather conditions, effective management of projects, availability of qualified construction personnel including contractors, changes in commodity and other prices, availability and inflationary cost of materials, governmental approvals and permitting, regulatory cost recovery and return on investment.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">An inability to successfully and timely adapt to changing conditions and execute our strategic plans could materially affect our financial operating results including earnings, cash flow and liquidity.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Customer growth and usage in our service territories may fluctuate with economic conditions, emerging technologies, political influences or responses to price increases.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our financial operating results are impacted by energy demand in our service territories. Customer growth and usage may be impacted by a number of factors, including the voluntary reduction in consumption of electricity and natural gas by our customers in response to increases in prices and energy efficiency programs, electrification initiatives that could negatively impact the demand for natural gas, economic conditions impacting customers&#8217; disposable income and the use of distributed generation resources or other emerging technologies. Continued technological improvements may make customer and third-party distributed generation and energy storage systems, including fuel cells, micro-turbines, wind turbines, solar cells and batteries, more cost effective and feasible for our customers. If more customers utilize their own generation, demand for energy from us could decline. Such developments could affect the price of energy and delivery of energy, require further improvements to our distribution systems to address changing load demands and could make portions of our electric system power supply and transmission and/or distribution facilities obsolete prior to the end of their useful lives.&#160;Each of these factors could materially affect our financial operating results including earnings, cash flow and liquidity.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">REGULATORY, LEGISLATIVE AND LEGAL RISKS</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">We may be subject to future laws, regulations or actions associated with climate change, including those relating to fossil-fuel generation and GHG emissions, which could increase our operating costs or restrict our market opportunities.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We own and operate regulated and non-regulated electric power plants that burn fossil fuels (natural gas and coal) and a surface mine that extracts and sells coal. We also purchase, store and deliver natural gas to our customers. These business activities are subject to evolving public concern regarding fossil fuels, GHG emissions (such as carbon dioxide and methane) and their impact on the climate.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">There is uncertainty surrounding climate regulation due to legal challenges to some current regulations and anticipated new federal and/or state climate legislation and regulation. New or more stringent regulations or other energy efficiency requirements could require us to incur significant additional costs relating to, among other things, the installation of additional emission control equipment, the acceleration of capital expenditures, the purchase of additional emissions allowances or offsets, the acquisition or development of additional energy supply from renewable resources, the closure or capacity reductions of coal-fired power generation facilities or conversion to natural gas, and potential increased production from our combined cycle natural gas-fired generating units. Additional rules and regulations associated with fossil fuels and GHG emissions could result in the impairment or retirement of some of our existing or future transmission, distribution, generation and natural gas storage facilities or our coal mine. Further, these rules could create the need to purchase or build clean-energy fuel sources to fulfill obligations to our customers. These actions could also result in increased operating costs which could adversely impact customers and our financial operating results including earnings, cash flow and liquidity. We cannot definitively estimate the effect of GHG legislation or regulation on our results of operations, financial condition or cash flows.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">21</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Future GHG constraints designed to minimize emissions from natural gas could likewise result in increased costs and affect the demand for natural gas as well as the prices charged to customers and the competitive position of natural gas among fuel alternatives. Certain cities in our operational footprint are focused on electrification and are considering initiatives that may restrict the direct use of natural gas in homes and businesses. Any such initiatives and legislation could have a negative impact on our results of operations, financial condition and cash flows.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">We may be subject to unfavorable or untimely federal and state regulatory outcomes.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our regulated Electric and Gas Utilities are subject to cost-of-service/rate-of-return regulation and earnings oversight from federal and eight state utility commissions. This regulatory treatment does not provide any assurance as to achievement of desired earnings levels. Our customer rates are regulated based on an analysis of our costs and investments, as reviewed and approved in regulatory proceedings. While rate regulation is premised on the full recovery of prudently incurred costs and a reasonable rate of return on invested capital, there can be no assurance that our various regulatory authorities will judge all of our costs to have been prudently incurred or that the regulatory process in which rates are determined will result in full or timely recovery of our costs with a reasonable return on invested capital. In addition, adverse rate decisions, including rate moratoriums, rate refunds, limits on rate increases, lower allowed returns on investments or rate reductions, could be influenced by competitive, economic, political, legislative, public perception and regulatory pressures and adversely impact results of operations, financial condition and cash flows.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Each of our Electric and Gas Utilities are permitted to recover certain costs (such as increased fuel and purchased power costs, including incremental costs from Winter Storm Uri, or integrity capital investments) outside of a base rate review in order to stabilize customer rates and reduce regulatory lag. If regulators decide to discontinue these tariff-based recovery mechanisms, it could negatively impact results of operations, financial condition and cash flows.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Costs could significantly increase to achieve or maintain compliance with existing or future environmental laws, regulations or requirements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our business segments are subject to numerous environmental laws and regulations affecting many aspects of present and future operations, including air emissions (i.e. SO</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:1.26pt;vertical-align:baseline">2</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, NO</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:1.26pt;vertical-align:baseline">x</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, volatile organic compounds, particulate matter and GHG), water quality, wastewater discharges, solid waste and hazardous waste. These laws and regulations may result in increased capital, operating and other costs. These laws and regulations generally require the business segments to obtain and comply with a wide variety of environmental licenses, permits, inspections and other government approvals. Compliance with environmental laws and regulations may require significant expenditures, including expenditures for cleanup costs and damages arising from contaminated properties.  Failure or inability to comply with evolving environmental regulations may result in the imposition of fines, penalties and injunctive measures affecting operating assets.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our business segments may not be successful in recovering increased capital and operating costs incurred to comply with new environmental regulations through existing regulatory rate structures and contracts with customers. More stringent environmental laws or regulations could result in additional costs of operation for existing facilities or impede the development of new facilities.  Although it is not expected that the costs to comply with current environmental regulations will have a material adverse effect on our business segments&#8217; financial position, results of operations or cash flows, future environmental compliance costs could have a significant negative impact.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Legislative and regulatory requirements may result in compliance penalties.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Business activities in the energy sector are heavily regulated, primarily by agencies of the federal government. Many agencies  employ mandatory civil penalty structures for regulatory violations. The FERC, NERC, CFTC, EPA, OSHA, SEC, TSA and MSHA may impose significant civil and criminal penalties to enforce compliance requirements relative to our business, which could have a material adverse effect on our financial operating results including earnings, cash flow and liquidity.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Municipal governments may seek to limit or deny our franchise privileges.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Municipal governments within our utility service territories possess the power of condemnation and could establish a municipal utility within a portion of our current service territories by limiting or denying franchise privileges for our operations and exercising powers of condemnation over all or part of our utility assets within municipal boundaries. We regularly engage in negotiations on renewals of franchise agreements with our municipal governments. We have from time to time faced challenges or ballot initiatives on franchise renewals. To date, we have been successful in resolving or defending each of these challenges. Although condemnation is a process that is subject to constitutional protections requiring just and fair compensation, as with any judicial procedure, the outcome is uncertain. If a municipality sought to pursue this course of action, we cannot assure that we would secure adequate recovery of our investment in assets subject to condemnation. We also cannot quantify the impact that such action would have on the remainder of our business operations.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">22</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Changes in Federal tax law may significantly impact our business.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We are subject to taxation by the various taxing authorities at the federal, state and local levels where we operate. Similar to the TCJA, sweeping legislation or regulation could be enacted by any of these governmental authorities which may affect our tax burden. Changes may include numerous provisions that affect businesses, including changes to corporate tax rates, business-related exclusions, and deductions and credits. The outcome of regulatory proceedings regarding the extent to which a change in corporate tax rate will affect our utility customers and the time period over which that change will occur could significantly impact future earnings and cash flows. Separately, a challenge by a taxing authority, changes in taxing authorities&#8217; administrative interpretations, decisions, policies and positions, our ability to utilize tax benefits such as carryforwards or tax credits, or a deviation from other tax-related assumptions may cause actual financial results to deviate from previous estimates.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">OPERATING RISKS</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Our financial performance depends on the successful operation of electric generating facilities, electric and natural gas transmission and distribution systems, natural gas storage facilities and a coal mine.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The risks associated with managing these operations include:</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Inherent dangers. Electricity and natural gas can be dangerous to employees and the general public. Failures of or contact with power lines, natural gas pipelines or service facilities and equipment may result in fires, explosions, property damage and personal injuries, including death. While we maintain liability and property insurance coverage, such policies are subject to certain limits and deductibles. The occurrence of any of these events may not be fully covered by our insurance;</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Weather, natural conditions and disasters including impacts from climate change. Severe weather events, such as snow and ice storms (e.g., Winter Storm Uri), fires, tornadoes, strong winds, significant thunderstorms, flooding and drought, could negatively impact operations, including our ability to provide energy safely, reliably and profitably and our ability to complete construction, expansion or refurbishment of facilities as planned. Climate change may intensify these events or increase the frequency of occurrence;</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Acts of sabotage, terrorism or other malicious attacks. Damage to our facilities due to deliberate acts could lead to outages or other adverse effects;</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Operating hazards. Operating hazards such as leaks, mechanical problems and accidents, including fires or explosions, could impact employee and public safety, reliability and customer confidence;</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Equipment and processes. Breakdown or failure of equipment or processes, unavailability or increased cost of equipment, and performance below expected levels of output or efficiency could negatively impact our results of operations;</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Disrupted transmission and distribution. We depend on transmission and distribution facilities, including those operated by unaffiliated parties, to deliver the electricity and natural gas that we sell to our retail and wholesale customers. If transmission is interrupted physically, mechanically or with cyber means, our ability to sell or deliver utility services and satisfy our contractual obligations may be hindered;</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Natural gas supply for generation and distribution. Our regulated utilities and non-regulated entities purchase natural gas from a number of suppliers for our generating facilities and for distribution to our customers. Our results of operations could be negatively impacted by the lack of availability and cost of natural gas, and disruptions in the delivery of natural gas due to various factors, including but not limited to, transportation delays, labor relations, weather, sabotage, cyber-attacks and environmental regulations;</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Replacement power. The cost of supplying or securing replacement power during scheduled and unscheduled outages of generation facilities could negatively impact our results of operations;</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Governmental permits. The inability to obtain required governmental permits and approvals along with the cost of complying with or satisfying conditions imposed upon such approvals could negatively impact our ability to operate</span></div><div style="padding-left:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">and our results of operations;</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Operational limitations. Operational limitations imposed by environmental and other regulatory requirements and contractual agreements, including those that restrict the timing of generation plant scheduled outages, could negatively impact our results of operations;</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Increased costs. Increased capital and operating costs to comply with increasingly stringent laws and regulations, unexpected engineering, environmental and geological problems, and unanticipated cost overruns could negatively impact our results of operations;</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">23</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Supply chain disruptions. We rely on various suppliers in our supply chain for the materials necessary to execute on our capital investment program. Our supply chain, material costs, and capital investment program may be negatively impacted by unanticipated price increases due to factors exacerbated by the COVID-19 pandemic, such as inflation, including wage inflation, or due to supply restrictions beyond our control or the control of our suppliers;</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial Narrow',sans-serif;font-size:10pt;font-weight:400;line-height:107%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:107%;padding-left:15.13pt">Labor and labor relations. The cost of recruiting and retaining skilled technical labor or the unavailability of such resources could have a negative impact on our operations. There is competition and a tightening market for skilled employees. During the COVID-19 pandemic and subsequent recovery, there is a national trend of increased employee turnover. Our ability to transition and replace our retirement-eligible utility employees is a risk; at December 31, 2021, approximately 22% of our Electric Utilities and Gas Utilities employees were eligible for retirement. Our ability to avoid or minimize supply interruptions, work stoppages and labor disputes is also a risk with approximately 25% of our employees are represented by unions; and</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Public opposition. Opposition by members of public or special-interest groups could negatively impact our ability to operate our businesses.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The ongoing operation of our business involves the risks described above, in addition to risks associated with threats to our overall business model, such as electrification initiatives. Any of these risks could cause us to experience negative financial results and damage to our reputation and public confidence. These risks could cause us to incur significant costs or be unable to deliver energy and/or operate below expected capacity levels, which in turn could reduce revenues or cause us to incur higher operating and maintenance costs and penalties. While we maintain insurance, obtain warranties from vendors and obligate contractors to meet certain performance levels, the proceeds of such insurance and our rights under contracts, warranties or performance guarantees may not be timely or adequate to cover lost revenues, increased expenses, liability or liquidated damage payments.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Cyberattacks, terrorism, or other malicious acts targeting our key technology systems could disrupt our operations, or lead to a loss or misuse of confidential and proprietary information.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">To effectively operate our business, we rely upon a sophisticated electronic control system, information and operation technology systems and network infrastructure to generate, distribute and deliver energy, and collect and retain sensitive information including personal information about our customers and employees. Cyberattacks, terrorism or other malicious acts targeting electronic control systems could result in a full or partial disruption of our electric and/or natural gas operations. Attacks targeting other key technology systems, including our third-party vendors&#8217; information systems, could further add to a full or partial disruption of our operations. Any disruption of these operations could result in a loss of service to customers and associated revenues, as well as significant expense to repair damages and remedy security breaches. In addition, any theft, loss and/or fraudulent use of customer, shareowner, employee or proprietary data could subject us to significant litigation, liability and costs, as well as adversely impact our reputation with customers and regulators, among others. We maintain cyber risk insurance to mitigate a portion, but not all, or these risks and losses.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">In May and July 2021, the TSA issued security directives that included several new cybersecurity requirements for critical pipeline owners and operators. Among these requirements is the implementation of specific mitigation measures to protect against ransomware attacks and other known threats to information and operational technology systems; development and implementation of a cybersecurity contingency and recovery plan; and performance of a cybersecurity architecture design review. We are currently implementing several of these directives and evaluating the potential effect of several others on our operations and facilities, as well as the potential cost of implementation, and will continue to monitor for any clarifications or amendments to these directives.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have instituted security measures and safeguards to protect our operational systems and information technology assets, including certain safeguards required by FERC. Despite our implementation of security measures and safeguards, all of our technology systems may still be vulnerable to disability, failures or unauthorized access.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Weather conditions, including the impacts of climate change, may cause fluctuation in customer usage.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our utility businesses are seasonal businesses and weather conditions and patterns can have a material impact on our operating performance. To the extent weather conditions are affected by climate change, customers&#8217; energy use could increase or decrease. Demand for electricity is typically greater in the summer and winter months associated with cooling and heating, respectively. Demand for natural gas depends heavily upon winter-weather patterns throughout our service territory and a significant amount of natural gas revenues are recognized in the first and fourth quarters related to the heating season.  Accordingly, our utility operations have historically generated lower revenues and income when weather conditions are cooler than normal in the summer and warmer than normal in the winter. Demand for natural gas is also impacted by summer weather patterns that are cooler than normal and provide higher than normal precipitation; both of which can reduce natural gas demand for irrigation. Unusually mild summers and winters, therefore, could have an adverse effect on our financial operating results, including earnings, cash flow and liquidity.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">24</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">FINANCIAL RISKS</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">A sub-investment grade credit rating could impact our ability to access capital markets.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our senior unsecured debt rating is Baa2 (Stable outlook) by Moody&#8217;s; BBB+ (Stable outlook) by S&amp;P; and BBB+ (Stable outlook) by Fitch. Reduction of our investment grade credit ratings could impair our ability to refinance or repay our existing debt and complete new financings on reasonable terms, if at all. A credit rating downgrade, particularly to sub-investment grade, could also result in counterparties requiring us to post additional collateral under existing or new contracts. In addition, a ratings downgrade would increase our interest expense under some of our existing debt obligations, including borrowings under our credit facilities, potentially significantly increasing our cost of capital and other associated operating costs which may not be recoverable through existing regulatory rate structures and contracts with customers.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Our use of derivative financial instruments as hedges against commodity prices and financial market risks could result in material financial losses.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We use various financial and physical derivatives, including futures, forwards, options and swaps, to manage commodity price and interest rate risks. The timing of the recognition of gains or losses on these economic hedges in accordance with GAAP may not consistently match up with the gains or losses on the commodities being hedged. For Black Hills Energy Services under the Choice Gas Program, and in certain instances within our regulated Utilities where unrealized and realized gains and losses from derivative instruments are not approved for regulatory accounting treatment, fluctuating commodity prices may cause fluctuations in reported financial results due to mark-to-market accounting treatment.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">To the extent that we hedge our commodity price and interest rate exposures, we forgo the benefits we would otherwise experience if commodity prices or interest rates were to change in our favor. In addition, even though they are closely monitored by management, our hedging activities can result in losses. Such losses could occur under various circumstances, including if a counterparty does not perform its obligations under the hedge arrangement, the hedge is economically imperfect, commodity prices or interest rates move unfavorably related to our physical or financial positions, or hedging policies and procedures are not followed.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Additionally, our exchange-traded futures contracts are subject to futures margin posting requirements. To the extent we are unable to meet these requirements, this could have a significant impact on our business by reducing our ability to execute derivative transactions to reduce commodity price uncertainty and to protect cash flows. Requirements to post collateral may cause significant liquidity issues by reducing our ability to use cash for investment or other corporate purposes, or may require us to increase our level of debt. Further, a requirement for our counterparties to post collateral could result in additional costs being passed on to us, thereby decreasing our profitability.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">We have a holding company corporate structure with multiple subsidiaries.  Corporate dividends and debt payments are dependent upon cash distributions to the holding company from the subsidiaries.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As a holding company, our investments in our subsidiaries are our primary assets. Our operating cash flow and ability to service our indebtedness depend on the operating cash flow of our subsidiaries and the payment of funds by them to us in the form of dividends or advances. Our subsidiaries are separate legal entities that have no obligation to make any funds available for that purpose, whether by dividends or otherwise. In addition, each subsidiary&#8217;s ability to pay dividends to us depends on any applicable contractual or regulatory restrictions that may include requirements to maintain minimum levels of cash, working capital, equity or debt service funds.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">There is no assurance as to the amount, if any, of future dividends to the holding company because these subsidiaries depend on future earnings, capital requirements and financial conditions to fund such dividends. See &#8220;</span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_112">Liquidity and Capital Resources</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">&#8221; within Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_73">Item 7</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%"> and </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_196">Note 8</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%"> of the Notes to Consolidated Financial Statements of this Annual Report on Form 10-K for further information regarding these restrictions and their impact on our liquidity.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">25</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">We may be unable to obtain financing on reasonable terms needed to refinance debt, fund planned capital expenditures or otherwise execute our operating strategy.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our ability to execute our operating strategy is highly dependent upon our access to capital. Historically, we have addressed our liquidity needs (including funds required to make scheduled principal and interest payments, refinance debt, pay dividends and fund working capital and planned capital expenditures) with operating cash flow, borrowings under credit facilities, proceeds of debt and equity offerings and proceeds from asset sales. Our ability to access the capital markets and the costs and terms of available financing depend on many factors, including changes in our credit ratings, changes in the federal or state regulatory environment affecting energy companies, volatility in commodity or electricity prices and general economic and market conditions.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In addition, because we are a holding company and our utility assets are owned by our subsidiaries, if we are unable to adequately access the credit markets, we could be required to take additional measures designed to ensure that our utility subsidiaries are adequately capitalized to provide safe and reliable service. Possible additional measures would be evaluated in the context of then-prevailing market conditions, prudent financial management and any applicable regulatory requirements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">National and regional economic conditions may cause increased counterparty credit risk, late payments and uncollectible accounts.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A future recession or pandemic, if one occurs, may lead to an increase in late payments or non-payment from retail residential, commercial and industrial utility customers, as well as from our non-utility customers. If late payments and uncollectible accounts increase, earnings and cash flows from our continuing operations may be reduced.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">We may be unable to obtain insurance coverage, and the coverage we currently have may not apply or may be insufficient to cover a significant loss.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our ability to obtain insurance, as well as the cost of such insurance, could be impacted by developments affecting the insurance industry and the financial condition of insurers. Additionally, insurance providers could deny coverage or decline to extend coverage under the same or similar terms that are presently available to us. A loss for which we are not adequately insured could materially affect our financial results. The coverage we currently have in place may not apply to a particular loss, or it may not be sufficient to cover all liabilities to which the Company may be subject, including liability and losses associated with climate change, wildfire, natural gas and storage field explosions, cyber-security breaches, environmental hazards and natural disasters.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Market performance or changes in key valuation assumptions could require us to make significant unplanned contributions to our pension plan and other postretirement benefit plans.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Assumptions related to interest rates, expected return on investments, mortality and other key actuarial assumptions have a significant impact on our funding requirements and the expense recognized related to our pension and other postretirement benefit plans. An adverse change to key assumptions associated with our defined benefit retirement plans may require significant unplanned contributions to the plans which could adversely affect our financial operating results including earnings, cash flow and liquidity.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Costs associated with our healthcare plans and other benefits could increase significantly.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The costs of providing healthcare benefits to our employees and retirees have increased substantially in recent years. We believe that our employee benefit costs, including costs related to healthcare plans for our employees and former employees, will continue to rise. Significant regulatory developments have required, and likely will continue to require, changes to our current employee benefit plans and supporting administrative processes. Our electric and natural gas utility rates are regulated on a state-by-state basis by the relevant state regulatory authorities based on an analysis of our costs, as reviewed and approved in a regulatory proceeding. Within our utility rates, we have generally recovered the cost of providing employee benefits. As benefit costs continue to rise, however, there is no assurance that the utility commissions will allow recovery of these increased costs. The rising employee benefit costs, or inadequate recovery of such costs, may adversely affect our financial operating results including earnings, cash flow, or liquidity.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">PANDEMIC RISK</span></div><div><span><br/></span></div><div><span style="color:#212529;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">The ongoing COVID-19 pandemic, including its variants, or any other pandemic and the associated impact on business and economic conditions could negatively affect our business operations, results of operations, financial condition and cash flows.</span></div><div><span><br/></span></div><div><span style="color:#212529;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The scale and scope of the COVID-19 outbreak, the resulting pandemic or any other future pandemic, and the associated impact on the economy and financial markets could adversely affect the Company&#8217;s business, results of operations and financial condition. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As a provider of essential services, the Company has an obligation to provide electric and natural gas services to our customers. The Company remains focused on protecting the health of our customers, employees and the communities in which we operate while assuring the continuity of our business operations.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">26</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span><br/></span></div><div><span style="color:#212529;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Although the impact of the COVID-19 pandemic and its variants to our 2021 results of operation was not significant, we cannot ultimately predict whether it will have a material impact on our future liquidity, financial condition or results of operations. We also  cannot predict the impact of COVID-19 on the health of our employees, our supply chain or our ability to mitigate higher costs associated with managing through the COVID-19 pandemic.</span></div><div><span><br/></span></div><div><span style="color:#212529;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As recovery from the COVID-19 pandemic continues, additional uncertainties have emerged, including the impacts of:</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#212529;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#212529;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">vaccine mandates and testing requirements on our workforce;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#212529;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#212529;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">inflation increasing prices of commodities and materials, outside services, employee costs and interest rates;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#212529;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#212529;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">supply chain disruptions on the availability and cost of materials; and</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#212529;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#212529;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">labor shortages and increased turnover on costs of retaining and attracting employees.</span></div><div><span><br/></span></div><div><span style="color:#212529;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The situation remains fluid and it is difficult to predict with certainty the potential impact of the COVID-19 pandemic, or any other future pandemic, on our financial operating results including earnings, cash flows and liquidity.</span></div><div><span><br/></span></div><div style="text-align:justify"><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_52"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 1B.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:29.82pt">UNRESOLVED STAFF COMMENTS</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">None.</span></div><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_43"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 2.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;PROPERTIES</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_19">Item</a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_19"> 1</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for a description of our principal business properties.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In addition to the properties disclosed in the </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_19">Item 1</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, we own or lease several facilities throughout our service territories including a corporate headquarters building and various office, service center, storage, shop and warehouse space. Substantially all of the tangible utility properties of South Dakota Electric and Wyoming Electric are subject to liens securing first mortgage bonds issued by South Dakota Electric and Wyoming Electric, respectively.</span></div><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_55"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 3.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:37.04pt">LEGAL PROCEEDINGS</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Information regarding our legal proceedings is incorporated herein by reference to the &#8220;Legal Proceedings&#8221; sub-caption within Item 8, </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_178">Note 3</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, &#8220;Commitments, Contingencies and Guarantees&#8221;, of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_58"></div><div style="-sec-extract:summary;padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 4.&#160;&#160;&#160;&#160;MINE SAFETY DISCLOSURES</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Information concerning mine safety violations or other regulatory matters required by Sections 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act is included in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="bkhex-95minesafetydata1220.htm">Exhibit 95</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of this Annual Report.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="-sec-extract:summary;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">27</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_61"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">INFORMATION ABOUT OUR EXECUTIVE OFFICERS</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Linden R. Evans,</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> age 59, has been President and Chief Executive Officer since January 1, 2019, President and Chief Operating Officer from 2016 through 2018, and President and Chief Operating Officer - Utilities from 2004 through 2015. Mr. Evans served as the Vice President and General Manager of our former communication subsidiary in 2003 and 2004, and Associate Counsel from 2001 to 2003. Mr. Evans has 20 years of experience with the Company.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Brian G. Iverson,</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> age 59, has been Senior Vice President, General Counsel and Chief Compliance Officer since August 26, 2019. He served as Senior Vice President, General Counsel, Chief Compliance Officer and Corporate Secretary from February 1, 2019 to August 26, 2019, Senior Vice President, General Counsel and Chief Compliance Officer from 2016 to February 2019, Senior Vice President - Regulatory and Governmental Affairs and Assistant General Counsel from 2014 to 2016, Vice President and Treasurer from 2011 to 2014, Vice President - Electric Regulatory Services from 2008 to 2011 and as Corporate Counsel from 2004 to 2008. Mr. Iverson has 18 years of experience with the Company.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Erik D. Keller</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, age 58, joined the Company as Senior Vice President and Chief Information Officer on July 27, 2020. Prior to joining the company, he was an Information Technology consultant to Ontic Inc., a global provider of parts and services for legacy aerospace platforms, from January 2020 to July 2020, and Chief Information Officer for BBA Aviation, a global aviation support and aftermarket services provider, from February 2012 to January 2020.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Richard W. Kinzley, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">age 56, has been Senior Vice President and Chief Financial Officer since 2015. He served as Vice President - Corporate Controller from 2013 to 2014, Vice President - Strategic Planning and Development from 2008 to 2013, and as Director of Corporate Development from 2000 to 2008. Mr. Kinzley has 22 years of experience with the Company.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Jennifer C. Landis,</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> age 47, has been Senior Vice President - Chief Human Resources Officer since February 1, 2017. She served as Vice President of Human Resources from April 2016 through January 2017, Director of Corporate Human Resources and Talent Management from 2013 to April 2016, and Director of Organization Development from 2008 to 2013. Ms. Landis has 20 years of experience with the Company.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Stuart A. Wevik, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">age 60, has been Senior Vice President - Utility Operations since August 26, 2019. He served as Group Vice President - Electric Utilities from 2016 to August 2019, Vice President - Utility Operations from 2008 to 2016, Vice President - Operations from 2004 to 2008 and Vice President and General Manager from 2003 to 2004. Mr. Wevik has 36 years of experience with the Company. Mr. Wevik intends to retire on June 1, 2022.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">28</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_64"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">PART II</span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_67"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 5.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:37.04pt">MARKET FOR REGISTRANT&#8217;S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our common stock is traded on the New York Stock Exchange under the symbol BKH. As of January 31, 2022, we had 3,475 common shareholders of record and 60,937 beneficial owners, representing all 50 states, the District of Columbia and 7 foreign countries.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">COMPARATIVE STOCK PERFORMANCE</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following performance graph compares the cumulative total stockholder return from Black Hills Corporation common stock, as compared with the S&amp;P 500 Index, S&amp;P 500 Utilities index, and our performance peer group for the past five years. The graph assumes an initial investment of $100 on December 31, 2016, and assumes all dividends were reinvested. The stockholder return shown below for the five-year historical period may not be indicative of future performance. The information in this "Comparative Stock Performance" section shall not be deemed to be "soliciting material" or to be "filed" with the Securities and Exchange Commission or subject to Regulation 14A or 14C, or to the liabilities of Section 18 of the Securities Exchange Act of 1934.</span></div><div><span><br/></span></div><div style="text-align:center"><img src="bkh-20211231_g1.jpg" alt="bkh-20211231_g1.jpg" style="height:250px;margin-bottom:5pt;vertical-align:text-bottom;width:680px"/></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:28.724%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.595%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.595%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.595%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.595%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.595%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.601%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Years ended December 31,</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2016</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2017</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2018</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Corporation </span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100.00&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100.77&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">108.81&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">139.91&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">113.21&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">134.59&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">S&amp;P 500</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100.00&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">121.83&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">116.49&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">153.17&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">181.35&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">233.41&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">S&amp;P 500 Utilities</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100.00&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">112.11&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">116.71&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">147.46&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">148.18&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">174.36&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Peer Group </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100.00&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">113.59&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">119.17&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">143.70&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">123.74&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">140.78&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Performance Peer Group represents the list of 20 utility and energy industry companies used in our 2021 Proxy Statement which was filed with the SEC on March 18, 2021.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">DIVIDENDS</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">For information concerning dividends, our dividend policy and factors that may limit our ability to pay dividends, see &#8220;</span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_79">Key Ele</a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_79">ments of our Business Strategy</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8221; and &#8220;</span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_112">Liquidity and Capital Resources</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8221; under </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_73">Item 7</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">UNREGISTERED SECURITIES ISSUED</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">There were no unregistered securities sold during 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">SECURITIES AUTHORIZED FOR ISSUANCE UNDER EQUITY COMPENSATION PLANS</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_247">Item 12</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> in this Annual Report on Form 10-K for information regarding Securities Authorized for Issuance Under Equity Compensation Plans.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">29</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">ISSUER PURCHASES OF EQUITY SECURITIES</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table contains monthly information about our acquisitions of equity securities for the three months ended December 31, 2021:</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:32.087%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.882%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.519%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.005%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.007%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Period</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Number of Shares Purchased</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Average Price Paid per Share</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum Number (or Approximate Dollar Value) of Shares That May Yet Be Purchased Under the Plans or Programs</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">October 1, 2021 - October 31, 2021</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">63.15&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">November 1, 2021 - November 30, 2021</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">777</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">66.10&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 1, 2021 - December 31, 2021</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,680</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">68.40&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,458</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">68.21&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Shares were acquired under the share withholding provisions of the Omnibus Incentive Plan for payment of taxes associated with the vesting of various equity compensation plans.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_70"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 6.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:37.04pt">(RESERVED)</span></div><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_73"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 7.&#160;&#160;&#160;&#160;MANAGEMENT&#8217;S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS</span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_76"></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Executive Summary</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:112%">We are a customer-focused energy solutions provider that invests in our communities&#8217; safety, sustainability and growth with a mission of </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:112%">Improving Life with Energy</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:112%"> and a vision to be the </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:112%">Energy Partner of Choice</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:112%">. The Company&#8217;s core mission&#8212; and our primary focus &#8212; is to provide safe, reliable and cost-effective electric and natural gas service to 1.3 million utility customers in over 800 communities in eight states, including Arkansas, Colorado, Iowa, Kansas, Montana, Nebraska, South Dakota and Wyoming.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:112%">We conduct our business operations through two operating segments: Electric Utilities and Gas Utilities. Certain unallocated corporate expenses that support our operating segments are presented as Corporate and Other. The Company conducts its utility operations under the name Black Hills Energy predominantly in rural areas of the Rocky Mountains and Midwestern states. The Company considers itself a domestic electric and natural gas utility company.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">The Company has provided energy and served customers for 138 years, since the 1883 gold rush days in Deadwood, South Dakota. Throughout our history, the common thread that unites the past to the present is our commitment to serve our customers and communities. By being responsive and service focused, we can help our customers and communities thrive while meeting rapidly changing customer expectations.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">An important component of our strategy involves sustainable operations and supporting the Energy Transition. How we operate our company for the social good has never been more important. We are committed to cleaner energy and a low carbon future, integrating the Energy Transition and more renewable energy into our overall strategy and decision making. For this important work, we are </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Ready</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> to serve. In addition, we are committed to a more sustainable future by better managing our impacts to the planet, whether that is water usage, recycling, biodiversity, or other important measures, and remaining focused on our human capital through diversity and inclusion.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our emphasis is on consistently outperforming utility industry averages in key safety metrics; modernizing utility infrastructure; transforming the customer experience; growing our electric and natural gas customer load; and pursuing operating efficiencies. These areas of focus will present the company with significant investment needs as we harden our infrastructure systems, meet customer growth and fulfill customer expectations for cleaner energy services. It will also allow us to better understand our customer and community needs while providing more intuitive and cost-effective solutions.</span></div><div><span><br/></span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">30</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_79"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Key Elements of our Business Strategy</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Modernize and operate utility infrastructure to provide customers with safe, reliable, cost-effective electric and natural gas service.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> Our utilities own and operate large electric and natural gas infrastructure systems with a geographic footprint that spans nearly 1,600 miles. Our Electric Utilities own and operate 1,481.5 MW of generation capacity and 8,900 miles of transmission and distribution lines and our Gas Utilities own and operate 47,000 miles of natural gas transmission and distribution pipelines.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A key strategic focus is to modernize and harden our utility infrastructure to meet customers&#8217; and communities&#8217; varied energy needs, ensure the continued delivery of safe, reliable and cost-effective energy and reduce GHG emissions intensity. In addition, we invest in the expansion, capacity and integrity of our systems to meet customer growth.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We rigorously comply with all applicable federal, state and local regulations and strive to consistently meet industry best practice standards. A key component of our modernization effort is the development of programs by our Electric and Gas Utilities to systematically and proactively replace aging infrastructure on a system-wide basis.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">To meet our electric customers&#8217; continued expectations of high levels of reliability, a key strength of the Company, our Electric Utilities utilize an integrity program to ensure the timely repair and replacement of aging infrastructure. In alignment with this program, in November 2021, Wyoming Electric announced its Ready Wyoming electric transmission expansion initiative. The 285-mile, multi-phase transmission expansion project will serve the growing needs of customers enhancing the resiliency of its overall electric system and expanding access to power markets and renewable energy resources. The project will enable Wyoming Electric to maintain top-quartile reliability and support further economic growth in the Cheyenne area. Wyoming Electric plans to file an application with the WPSC seeking approval for the project in the first quarter of 2022. Following approval, construction would commence in early 2023.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Gas Utilities utilize a programmatic approach to system-wide pipeline replacement, particularly in high consequence areas. Under the programmatic approach, obsolete, at-risk and vintage materials are replaced in a proactive and systematic time frame. We have removed all cast- and wrought-iron from our natural gas transmission and distribution systems and continue to replace aging infrastructure through programs that prioritize safety and reliability for our customers. Our Gas Utilities are authorized to use system safety, integrity and replacement cost recovery mechanisms that provide for customer rate adjustments, between rate reviews, which allow timely recovery of costs incurred in repairing and replacing the gas delivery systems with a return on the investment.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, we estimate our five-year capital investment to be approximately $3.2 billion, with most of that investment targeted toward upgrading existing utility infrastructure supporting customer and community growth needs, and complying with safety requirements. Our actual 2021 and forecasted capital expenditures for the next five years from 2022 through 2026 are as follows (in millions):</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:33.256%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:1.408%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.576%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Actual </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:700;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Forecasted</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Capital Expenditures By Segment</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">:</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2024</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2025</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2026</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">(in millions)</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities </span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">286&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">239&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">205&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">285&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">231&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">155&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">383&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">363&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">383&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">386&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">349&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">346&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Corporate and Other</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Incremental projects</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">140&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">680&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">611&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">600&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">684&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">653&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">654&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Includes accruals for property, plant and equipment as disclosed as supplemental cash flow information in the </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_163">Consolidated Statements of Cash Flows</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> in the Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;These represent projects that are being evaluated by our segments for timing, cost and other factors.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Efficiently plan, construct and operate power generation facilities to serve our Electric Utilities.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> We best serve customers and communities when generation is vertically integrated into our Electric Utilities. This business model remains a core strength and strategy today as we invest in and operate efficient power generation resources to supply cost-effective electricity to our customers. These generation assets can be rate-based or non-regulated assets within our Electric Utilities segment. However, we believe that generation assets that are rate-based provide long-term benefits to customers. In the fourth quarter of 2021, we revised our operating segments to align with our vertically integrated business model for our Electric Utilities. Our power generation and mining businesses, which were previously presented as separate operating segments, are now part of our vertically integrated Electric Utilities segment.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">31</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our power production strategy focuses on low-cost construction and efficient operation of our generating facilities. Our low power production costs result from a variety of factors including low fuel costs (operations located near energy hubs), efficiency in converting fuel into energy and low per unit operating and maintenance costs. In addition, we operate our plants with high levels of Availability as compared to industry benchmarks.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Rate Base Generation:</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> We continue to believe that customers are best served when the power generation facilities are owned and rate-based by our Electric Utilities. Rate-based generation assets offer several advantages for customers and shareholders, including:</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">When generating assets are included in the utility rate base and reviewed and approved by government authorities, customer rates are more stable and predictable, and typically less expensive in the long run; especially when compared to power otherwise purchased from the open market through wholesale contracts or PPAs that are periodically re-priced to reflect current and varying market conditions;</span></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Regulators participate in a planning process where long-term investments are designed to match long-term energy demand;</span></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">The lower-risk profile of rate-based generation assets contributes to stronger credit ratings which, in turn, can benefit both customers and investors by lowering the cost of capital; and</span></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Investors are provided a long-term and stable return on their investment.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Integrated Generation:</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> Our Electric Utilities segment also contains a power generation business that owns non-regulated generating facilities that are contracted through long-term power purchase agreements with our electric utilities. Our power generation business has an experienced staff with significant expertise in planning, building and operating power plants. This team also provides shared services to our Electric Utilities&#8217; generation facilities, resulting in efficient management of all of the company&#8217;s generation assets. This business competitively bids for energy and capacity through requests for proposals by our Electric Utilities for energy resources necessary to serve customers. This business can bid competitively due to construction expertise, fuel supply advantages and by co-locating new plants at our existing Electric Utilities&#8217; energy complexes, reducing infrastructure and operating costs. All power plants within this business, except Top of Iowa, are contracted to our Electric Utilities under long-term contracts and are located at our utility-generating complexes, including Busch Ranch, Pueblo Airport Generation, and the Gillette, Wyoming energy complex, and are physically integrated into our Electric Utilities&#8217; operations.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Generation Fuel Supply:</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> Our generating facilities are strategically located close to energy hubs that help reduce fuel supply costs. Our Colorado and Wyoming gas-fired generating facilities are located close to major natural gas energy hubs that provide trading liquidity and transparent pricing. Due to their location in the resource rich areas of Colorado and Wyoming, natural gas supply to fuel our gas-fired generation can be sourced at competitive prices. Our only coal-fired power plants, all located at the Gillette energy complex in northeastern Wyoming, are supplied by our adjacent coal mine. We operate and own majority interests in four of the five power plants and own 20% of the fifth power plant. The small coal mine provides approximately 3.5 million tons of low-sulfur coal directly to these power plants via a conveyor belt system, minimizing transportation costs. On average, the fuel can be delivered to the adjacent power plants at less than $1.00 per MMBtu, providing very cost competitive fuel to our power plants when compared to alternatives. Nearly all the mine&#8217;s production is sold to these on-site generation facilities under long-term supply contracts. Approximately one-half of our production is sold under cost-plus contracts with affiliates. A small portion of the mine&#8217;s production is sold to off-site industrial customers and delivered by truck.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Supporting the Energy Transition by proactively integrating alternative and renewable energy into our utility energy supply while mitigating customer rate impacts. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In November 2020, we announced clean energy goals to reduce GHG emissions intensity for our Electric Utilities of 40% by 2030 and 70% by 2040 and achieve GHG reductions of 50% by 2035 for our Gas Utilities. Our goals are based on existing technology and computed from 2005 baseline levels of GHG emissions intensity for our electric operations and natural gas distribution system. Since 2005, we have reduced GHG emissions intensity from our Gas Utilities by more than 33% and achieved a 30% reduction from our Electric Utilities (an additional 5% reduction since announcing our goal in 2020 for our Electric Utilities). Additionally, our Electric Utilities have reduced nitrogen oxide and sulfur dioxide emissions by more than 75% since 2005. Our electric utility in Colorado has achieved a nearly 50% reduction in GHG emissions since 2005 and is on track to reach the State of Colorado&#8217;s 80% carbon reduction goal by 2030. Our goals are based on prudent and proven solutions to reduce our emissions while minimizing cost impacts to our customers. This keeps our customers at the forefront of our decision-making, which is central to our values.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">More of our customers, particularly our larger customers, are demanding cleaner sources of energy to meet their sustainability goals. In addition, there is more interest from consumers, regulators and legislators to increase the use of renewable and other alternative energy sources. To support this interest:</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">32</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">We created the Renewable Ready program for South Dakota and Wyoming customers. In support of this program, we created and received approvals for new, voluntary renewable energy tariffs to serve certain commercial, industrial and governmental customer requests for renewable energy resources. To meet the renewable energy commitments under the new tariffs, on November 30, 2020, we completed construction and placed into service the Corriedale wind project, a 52.5 MW wind energy project near Cheyenne, Wyoming.</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">In June 2021, South Dakota Electric and Wyoming Electric submitted an IRP to the SDPUC and WPSC. The IRP outlines a range of options for the two electric utilities over a 20-year planning horizon to meet long-term forecasted energy needs while strengthening reliability and resiliency of the grid. The analysis focused on the least-cost resource needs to best meet customers&#8217; future peak energy needs while maintaining system flexibility and achieving the Company&#8217;s generation emissions reduction goals. The IRP&#8217;s preferred options for the near-term planning period through 2026 propose the addition of 100 MW of renewable generation, the conversion of Neil Simpson II to natural gas in 2025 and consideration of up to 20 MW of battery storage.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Many states have enacted, and others are considering, mandatory renewable energy standards, requiring utilities to meet certain thresholds of renewable energy generation. In addition, some states have either enacted or are considering legislation setting GHG emission reduction targets. Federal legislation for renewable energy standards and GHG emission reductions has been considered and may be implemented in the future. Mandates for the use of renewable energy or the reduction of GHG emissions will likely drive the need for significant investment in our Electric Utilities and Gas Utilities segments.  These mandates will also likely increase prices for electricity and/or natural gas for our utility customers. As a regulated utility we are responsible for providing safe, reliable and cost-effective sources of energy to our customers. Accordingly, we employ a customer-focused strategy for complying with standards and regulations that balances our customers&#8217; rate concerns with environmental considerations and administrative and legislative mandates. We attempt to strike this balance by prudently and proactively incorporating renewable energy into our resource supply, while seeking to minimize the magnitude and frequency of rate increases for our utility customers.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:112%">Explore opportunities as an energy solutions provider.  </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:112%">Another strategic initiative is to grow our business through creative energy solutions with new customers and partnerships. We see value creation by recruiting new customers and expanding existing partnerships with data centers, crypto miners and other blockchain opportunities; exploring energy markets such as RTOs; and expanding our transmission capabilities. As an example, we have supported enabling legislation in Wyoming for the growing blockchain and digital currency businesses while implementing our own Blockchain Interruptible Service Tariff to serve these customers. We are also re-focusing on our product and services offerings to our natural gas customers.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Additionally, we are pursuing two important initiatives in the form of sustainable energy solutions for electric vehicles and renewable natural gas. These two programs support our near-term sustainable strategy and contribute to the achievement of our aspirational greenhouse gas emissions reduction goals.</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline">Electric Vehicles (EV)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">: We expect EV market share to increase over the next one to three years, commensurate with a significant uptick in vehicle range and product offerings and marked decrease in EV purchase prices. In addition to future load growth opportunities, we will investigate behind-the-meter solutions for customers. In January 2022, the CPUC approved a transportation electrification plan for Colorado Electric including the implementation of EV and charger rebates and EV rates.</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline">Renewable Natural Gas (RNG)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">: Our teams are developing RNG/carbon offset offerings for our retail customers, evaluating multiple RNG investment opportunities and exploring value generation with our natural gas storage assets. We also continue to expand our RNG interconnections, with several projects actively injecting RNG into our natural gas system.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Execute disciplined capital allocation and explore small strategic opportunities. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We are planning a disciplined capital investment program of approximately $600 million annually over the next two years to improve our cash flows and reduce our debt to total capitalization ratio. By carefully managing capital, we plan to continue to strengthen our balance sheet and enhance our liquidity. With this goal in mind, we will continue to evaluate smaller scale acquisitions of private utility infrastructure systems and small municipal systems that can be easily incorporated into our existing utility systems.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Deliver a competitive total return to investors and maintain an investment grade credit rating. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We are proud of our track record of annual dividend increases for shareholders. 2021 represented our 51st consecutive year of increasing dividends. In January 2022, our Board of Directors declared a quarterly dividend of $0.595 per share, equivalent to an annual dividend of $2.38 per share. We intend to continue our record of annual dividend increases with a targeted dividend payout ratio of 50% to 60%.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We require access to the capital markets to fund our planned capital investments or acquire strategic assets that support prudent and earnings-accretive business growth. We have demonstrated our ability to cost-effectively access the debt and equity markets, while maintaining our investment-grade issuer credit rating.</span></div><div><span><br/></span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">33</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_85"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Recent Developments</span></div><div style="text-align:center"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Winter Storm Uri</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In February 2021, a prolonged period of historic cold temperatures across the central United States covered all of our Utilities&#8217; service territories, caused a substantial increase in heating and energy demand and contributed to unforeseeable and unprecedented market prices for natural gas and electricity. As a result of Winter Storm Uri, we incurred significant incremental natural gas and fuel costs.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On February 24, 2021, we entered into a nine-month, $800 million unsecured term loan to provide additional liquidity and to meet our cash needs related to the incremental fuel, purchased power and natural gas costs from Winter Storm Uri. Proceeds from the August 26, 2021 debt transaction were used to repay amounts outstanding under this term loan. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_196">Note 8</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K for further information.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">During the second quarter, our Utilities submitted cost recovery applications with the utility commissions in our state jurisdictions to recover incremental costs associated with Winter Storm Uri. To date, several of our Utilities have received interim or final Commission Orders and have begun recovering costs from customers. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_175">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K for further information on our regulatory activity.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">COVID-19 Pandemic</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">For the year ended December 31, 2021, we did not experience significant impacts to our financial results, liquidity or operational activities due to COVID-19. We continue to monitor loads, customers&#8217; ability to pay, the potential for supply chain disruption or inflation that may impact our capital and maintenance project plans, the availability of third-party resources to execute our business plans and the capital markets to ensure we have the liquidity necessary to support our financial needs. State Orders lifting temporarily suspended disconnections have been issued in all of our jurisdictions.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As we look forward, our operating results could be affected by COVID-19 as discussed in detail in our </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_49">Risk Factors</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Business Segment Highlights and Corporate Activity</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Electric Utilities</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">On January 26, 2022, Colorado Electric agreed to join SPP&#8217;s Western Energy Imbalance Service Market. Colorado Electric, PRPA, and the Colorado subsidiary of Xcel Energy Inc. will join the market in April 2023 and will continue to study long-term solutions for joining or developing an organized wholesale market. The expansion allows the utilities to participate in a real-time market to dispatch energy at lower costs.</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">On January 5, 2022, South Dakota Electric and Wyoming Electric set new winter peak loads. This is the fourth new winter peak for Wyoming Electric since 2015. Wyoming Electric&#8217;s new winter peak load of 253 MW surpasses the previous peak of 247 MW set in December 2019. South Dakota Electric&#8217;s new winter peak of 327 MW surpasses the previous winter peak of 326 MW set in February 2021.</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">In November 2021, Wyoming Electric announced its </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Ready Wyoming</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> electric transmission expansion initiative. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_79">Key Elements of our Business Strategy</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> above for further information.</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">On October 5, 2021, our Electric Utilities and several other utilities in the western United States formed the Western Markets Exploratory Group to research the potential for an organized wholesale market in the western interconnect, including expanding transmission systems and other grid-related services. The group plans to identify market solutions that can help achieve carbon reduction goals while supporting reliable, cost-effective services for customers.</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">On September 19, 2021, Wygen I experienced an unplanned outage that continued until mid-December 2021. For the year ended December 31, 2021, the outage had an $11 million negative impact to Operating income. We are currently assessing insurance recovery opportunities.</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">On August 24, 2021, Wyoming Electric issued a request for proposals under its Blockchain Interruptible Service tariff. We have narrowed the bidder&#8217;s list and selected finalists for contract negotiations.</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">On July 28, 2021, Wyoming Electric set a new all-time and summer peak load of 274 MW, exceeding the previous peak of 271 MW set in July 2020.</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">On July 27, 2021, South Dakota Electric set a new all-time and summer peak load of 397 MW, exceeding the previous peak of 378 MW set in August 2020.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">34</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">On June 30, 2021, South Dakota Electric and Wyoming Electric submitted an IRP to the SDPUC and WPSC. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_79">Key Elements of our Business Strategy</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> above for further information.</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">On February 19, 2021, Colorado Electric entered into a PPA with TC Colorado Solar, LLC (TC Solar) to purchase up to 200 MW of renewable energy upon construction of a new solar facility, to be owned by TC Solar. On January 31, 2022, TC Solar provided termination notice of the PPA to Colorado Electric. Colorado Electric has disputed TC Solar&#8217;s right to termination and pursuant to the agreement, has initiated discussions with TC Solar.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Gas Utilities</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_175">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K for recent regulatory activity for our Gas Utilities in Arkansas, Colorado, Iowa, Kansas and Nebraska.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Corporate and Other</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">On August 26, 2021, we completed a public debt offering which consisted of $600 million, 1.037% 3-year senior unsecured notes due August 23, 2024. The proceeds from the offering were used to repay amounts outstanding under our term loan entered into on February 24, 2021. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_196">Note 8</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K for further information.</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">On July 19, 2021, we amended and restated our corporate Revolving Credit Facility. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_196">Note 8</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K for further information.</span></div><div><span><br/></span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">35</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_88"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Results of Operations</span></div><div style="text-align:center"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our discussion and analysis for the year ended December 31, 2021 compared to 2020 as well as discussion and analysis of the results of operations for the year ended December 31, 2020 compared to 2019, is included herein. For further discussion and analysis that remains unchanged for the year ended December 31, 2020 compared to 2019, please refer to Item 7 of Part II, &#8220;Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations&#8221; in our Annual Report on Form 10-K for the year ended December 31, 2020, which was filed with the SEC on February 26, 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">In the fourth quarter of 2021, we integrated our power generation and mining businesses within the Electric Utilities segment. The alignment is consistent with the current way our CODM evaluates the performance of the business and makes decisions related to the allocation of resources. Comparative periods presented reflect this change. See further segment information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_223">Note 16</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">Segment information does not include intercompany eliminations and all amounts are presented on a pre-tax basis unless otherwise indicated. Minor differences in amounts may result due to rounding.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Consolidated Summary and Overview</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:55.040%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.519%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:13.519%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:13.522%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">For the Years Ended December 31,</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands, except per share amounts)</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Operating income (loss):</span></div></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">202,676&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">210,974&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">217,677&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">211,157&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">215,889&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">189,971&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Corporate and Other</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(4,404)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,440&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,606)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Operating Income</span></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">409,429&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">428,303&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">406,042&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest expense, net</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(152,404)</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(143,470)</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(137,659)</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Impairment of investment</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6,859)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(19,741)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other income (expense), net</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,404&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,293)</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(5,740)</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income tax (expense)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(7,169)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(32,918)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(29,580)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net income</span></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">251,260&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">242,763&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">213,322&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net income attributable to non-controlling interest</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,516)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(15,155)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,012)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">236,744&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">227,608&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">199,310&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total earnings per share of common stock, Diluted</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.74&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cefee7;border-bottom:3pt double #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.65&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#cefee7;border-bottom:3pt double #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.28&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span><br/></span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline">2021 Compared to 2020</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The variance to the prior year included the following:</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Electric Utilities&#8217; operating income decreased $8.3 million primarily due to Colorado Electric&#8217;s TCJA-related bill credits to customers (which is offset by reduced tax expense), unfavorable impacts from an unplanned outage at Wygen I and higher depreciation as a result of additional plant placed in service, partially offset by increased power marketing and wholesale revenues, increased rider revenues, increased commercial and industrial demand, a prior year expense related to the early retirement of certain non-regulated generation assets, residential customer growth and increased usage, and prior year COVID-19 impacts;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Gas Utilities&#8217; operating income decreased $4.7 million primarily due to Winter Storm Uri costs incurred by Black Hills Energy Services, lower heating demand from milder weather (primarily in the fourth quarter of 2021), Nebraska Gas TCJA-related bill credits to customers and higher operating expenses partially offset by new rates and customer growth;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Corporate and Other expenses increased $5.8 million primarily due to higher employee costs driven by a prior year favorable true-up;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Interest expense increased $8.9 million primarily due to higher debt balances partially offset by lower rates;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">A prior year $6.9 million pre-tax non-cash impairment in 2020 of our investment in equity securities of a privately held oil and gas company;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Other income increased $3.7 million primarily due to lower non-service pension costs driven by a lower discount rate, lower costs for our non-qualified benefit plans which were driven by market performance and recognition of death benefits from Company-owned life insurance; and</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">36</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%;text-decoration:underline">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Income tax expense decreased $26 million primarily due to lower pre-tax income and a lower effective tax rate driven primarily by tax benefits from Colorado Electric and Nebraska Gas TCJA-related bill credits (which is offset by reduced revenue), flow-through tax benefits related to repairs and gain deferral and increased tax benefits from federal production tax credits associated with new wind assets.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline">2020 Compared to 2019</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The variance to the prior year included the following:</span></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">COVID-19 related impacts to consolidated results included $3.6 million of lower Electric and Gas Utility margin driven primarily by lower volumes and waived customer late payment fees, $2.6 million of costs due to sequestration of essential employees and $3.3 million of additional bad debt expense which were partially offset by $3.8 million of lower travel, training, and outside services related expenses;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Electric Utilities&#8217; operating income decreased $6.7 million due to higher depreciation and amortization expense as a result of additional plant placed in service including new wind assets, expense from the early retirement of certain non-regulated assets, lower commercial and industrial demand and COVID-19 impacts partially offset by increased revenue from our non-regulated power generation and mining businesses, benefits from the release of TCJA revenue reserves and increased rider revenues;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Gas Utilities&#8217; operating income increased $26 million primarily due to new customer rates in Wyoming and Nebraska and increased rider revenues, customer growth, mark-to-market gains on non-utility natural gas commodity contracts and a 2019 amortization of excess deferred income taxes partially offset by higher depreciation and amortization expense as a result of additional plant placed in service, COVID-19 impacts and unfavorable weather;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Corporate and Other expenses decreased $3.0 million primarily due to an unallocated favorable true-up of employee costs;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">A $6.9 million pre-tax non-cash impairment in 2020 of our investment in equity securities of a privately held oil and gas company compared to a similar $20 million impairment in 2019;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Interest expense increased $5.8 million primarily due to higher debt balances partially offset by lower rates;</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Other expense decreased $3.4 million due to the 2019 expensing of $5.4 million of development costs related to projects we no longer intend to construct partially offset by increased pension non-service costs in 2020; and</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Income tax expense increased $3.3 million primarily due to higher pre-tax income partially offset by a lower effective tax rate.</span></div><div><span><br/></span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Segment Operating Results</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A discussion of operating results from our business segments follows.</span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_91"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Non-GAAP Financial Measure</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following discussion includes financial information prepared in accordance with GAAP, as well as another financial measure, Electric and Gas Utility margin, that is considered a &#8220;non-GAAP financial measure.&#8221; Generally, a non-GAAP financial measure is a numerical measure of a company&#8217;s financial performance, financial position or cash flows that excludes (or includes) amounts that are included in (or excluded from) the most directly comparable measure calculated and presented in accordance with GAAP. Electric and Gas Utility margin (revenue less cost of sales) is a non-GAAP financial measure due to the exclusion of operation and maintenance expenses, depreciation and amortization expenses, and property and production taxes from the measure.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Electric Utility margin is calculated as operating revenue less cost of fuel and purchased power. Gas Utility margin is calculated as operating revenue less cost of natural gas sold. Our Electric and Gas Utility margin is impacted by the fluctuations in power and natural gas purchases and other fuel supply costs. However, while these fluctuating costs impact Electric and Gas Utility margin as a percentage of revenue, they only impact total Electric and Gas Utility margin if the costs cannot be passed through to our customers.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Electric and Gas Utility margin measure may not be comparable to other companies&#8217; Electric and Gas Utility margin measures. Furthermore, this measure is not intended to replace operating income as determined in accordance with GAAP as an indicator of operating performance.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">37</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_94"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Electric Utilities</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Operating results for the years ended December 31 for the Electric Utilities were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:32.379%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.204%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.204%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.204%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.204%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.205%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021 vs 2020 Variance</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020 vs 2019 Variance</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric - regulated</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">800,747&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">699,712&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">101,035&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">698,807&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">905&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other - non-regulated </span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">41,511&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">39,145&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,366&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40,548&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,403)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total revenue</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">842,258&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">738,857&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">103,401&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">739,355&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(498)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel and Purchased Power:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric - regulated</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">244,504&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">136,374&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">108,130&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">143,668&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(7,294)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other - non-regulated</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,514&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,198&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,316&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,305&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(107)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total fuel and purchased power</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">248,018&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">138,572&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">109,446&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">145,973&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(7,401)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utility margin (non-GAAP)</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">594,240&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">600,285&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6,045)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">593,382&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,903&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Operations and maintenance</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">260,036&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">265,679&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(5,643)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">259,167&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,512&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Depreciation and amortization</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">131,528&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">123,632&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,896&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">116,538&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,094&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total operating expenses</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">391,564&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">389,311&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,253&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">375,705&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,606&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Operating income</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">202,676&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">210,974&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(8,298)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">217,677&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6,703)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">2021 Compared to 2020</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Electric Utility margin</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> decreased over the prior year as a result of:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:79.398%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.402%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in millions)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">TCJA-related bill credits </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(10.2)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wygen I unplanned outage</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(8.5)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Prior year release of TCJA revenue reserves</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2.2)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weather</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1.2)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Winter Storm Uri impacts </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(0.4)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Power marketing and wholesale</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.9&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Residential customer growth and increased usage per customer</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.1&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Rider recovery</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.2&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Prior year COVID-19 impacts</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1.8&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(0.5)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total decrease in Electric Utility margin</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6.0)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;In February and April 2021, Colorado Electric delivered TCJA-related bill credits to its customers. These bill credits were offset by a reduction in income tax expense and resulted in a minimal impact to Net income.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;As a result of Winter Storm Uri, our Electric Utilities incurred $2.1 million of incremental fuel costs that are not recoverable through our fuel cost recovery mechanisms which were mostly offset by $1.7 million of increased Electric Utility margin realized under Black Hills Wyoming&#8217;s Economy Energy PSA.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Operations and maintenance expense</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> decreased primarily due to a $3.1 million prior year expense related to the early retirement of certain non-regulated generation assets, $2.7 million of lower overburden, production taxes and other operating expenses on decreased mining volumes, $2.0 million of prior year COVID-19 expenses and $1.7 million of decreased bad debt expense associated with lower expected credit losses, partially offset by $2.7 million of increased expenses related to planned and unplanned outages at our generation facilities and $1.0 million of increased operating expenses from new wind assets.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">38</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Depreciation and amortization</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> increased primarily due to higher asset base driven by prior and current year capital expenditures.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">2020 Compared to 2019</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Electric Utility margin</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> increased in 2020 over 2019 as a result of:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:79.398%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.402%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in millions)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Integrated Generation</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.3&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Rider recovery</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.3&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Release of TCJA revenue reserves </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.2&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission services</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1.4&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Residential customer growth</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0.9&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Lower commercial and industrial demand</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2.7)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">COVID-19 impacts </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1.8)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weather</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(0.3)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1.6&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total increase in Electric Utility margin</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6.9&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Primarily driven by revenue from Busch Ranch II, which was placed in service in November 2019.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;In July 2020, regulatory proceedings resolved the last of the Company's open dockets seeking approval of its TCJA plans. As a result, the Company reversed certain TCJA-related liabilities, which resulted in an increase to Electric Utility margin of $2.2 million. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_175">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K for additional details.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;The impacts to Electric Utility margin from COVID-19 were primarily driven by reduced commercial volumes and waived customer late payment fees partially offset by higher residential usage.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Operations and maintenance expense</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> increased primarily due to a $3.1 million expense related to the early retirement of certain non-regulated assets, $2.0 million of higher maintenance expense from new wind assets and $2.0 million of unfavorable net impacts from COVID-19 which included $2.6 million of expenses related to the sequestration of essential employees and $0.8 million of additional bad debt expense which were partially offset by $1.4 million of lower travel, training and outside services related expenses. Additionally, lower employee costs of $1.9 million were partially offset by $1.0 million of higher property taxes due to a higher asset base driven by capital expenditures.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Depreciation and amortization</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> increased primarily due to higher asset base driven by capital expenditures.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Operating Statistics</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:36.911%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.987%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.987%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.987%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.987%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.987%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.994%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue (in thousands)</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Quantities Sold (MWh)</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">For the year ended December 31,</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr style="height:9pt"><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Residential</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">244,589&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">221,530&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">216,108&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,494,028&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,477,515&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,440,551&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commercial</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">275,998&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">239,166&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">246,704&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,075,690&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,974,043&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,055,253&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Industrial</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">149,040&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">131,154&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">131,831&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,751,344&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,794,795&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,787,412&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Municipal</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">19,092&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16,860&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17,206&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">162,903&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">158,222&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">157,298&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Subtotal Retail Revenue - Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">688,719&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">608,710&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">611,849&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,483,965&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,404,575&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,440,514&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Contract Wholesale</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16,128&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17,847&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">19,078&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">574,137&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">492,637&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">368,360&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Off-system/Power Marketing Wholesale</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">41,682&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15,511&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17,886&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">638,923&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">437,288&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">507,042&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">54,218&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">57,644&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">49,994&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Regulated</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">800,747&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">699,712&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">698,807&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,697,025&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,334,500&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,315,916&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-Regulated</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">41,511&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">39,145&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40,548&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">269,558&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">258,399&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">238,415&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Revenue and Quantities Sold</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">842,258&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">738,857&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">739,355&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,966,583&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,592,899&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,554,331&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other Uses, Losses or Generation, net </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:3pt double #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">475,280&#160;</span></td><td style="background-color:#ffffff;border-top:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:3pt double #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">406,422&#160;</span></td><td style="background-color:#ffffff;border-top:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:3pt double #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">393,573&#160;</span></td><td style="background-color:#ffffff;border-top:3pt double #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Energy</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,441,863&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,999,321&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,947,904&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Primarily related to transmission revenues from the Common Use System.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;Includes Integrated Generation and non-regulated services to our retail customers under the Service Guard Comfort Plan and Tech Services.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;Includes company uses and line losses.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">39</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:36.911%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.987%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.987%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.987%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.987%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.987%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.994%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Revenue (in thousands)</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Quantities Sold (MWh)</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">For the year ended December 31,</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">302,896&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">252,094&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">246,197&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,574,016&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,243,034&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,046,728&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">319,362&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">280,431&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">288,120&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,389,407&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,363,776&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,519,448&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">180,413&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">169,179&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">167,345&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,733,602&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,727,690&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,749,740&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Integrated Generation</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">39,587&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">37,153&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">37,693&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">269,558&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">258,399&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">238,415&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Revenue and Quantities Sold</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">842,258&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">738,857&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">739,355&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,966,583&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,592,899&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,554,331&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:58.110%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.496%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.496%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.498%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">For the year ended December 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Quantities Generated and Purchased by Fuel Type (MWh)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Generated:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,546,926&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,817,846&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,783,147&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural Gas and Oil</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,817,133&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,753,568&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,535,999&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">842,616&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">614,236&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">406,295&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 24.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Generated</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,206,675&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,185,650&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,725,441&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Purchased:</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal, Natural Gas, Oil and Other Market Purchases</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,866,382&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,478,536&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,019,359&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">368,806&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">335,135&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">203,104&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 24.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Purchased</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,235,188&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,813,671&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,222,463&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Generated and Purchased</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,441,863&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,999,321&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,947,904&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:58.110%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.496%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.496%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.498%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">For the year ended December 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Quantities Generated and Purchased (MWh)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Generated:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">412,127&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">265,552&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">443,770&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,980,660&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,901,009&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,768,456&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">883,596&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">851,522&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">852,803&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Integrated Generation</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,842,377&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,085,042&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,660,412&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Generated</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,118,760&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,103,125&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,725,441&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Purchased:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,027,728&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">714,139&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">741,666&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">563,603&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">489,457&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">896,901&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">643,857&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">610,075&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">509,697&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Integrated Generation</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">87,915&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">82,525&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">74,199&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Purchased</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,323,103&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,896,196&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,222,463&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:9pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Generated and Purchased</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,441,863&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,999,321&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,947,904&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">40</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:41.005%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.818%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:9.280%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.818%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:9.280%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.818%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.281%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">For the year ended December 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Degree Days</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Actual</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Variance from Normal</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Actual</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Variance from Normal</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Actual</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Variance from Normal</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Heating Degree Days:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 6.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,023&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(11)%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,103&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(9)%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,453&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3)%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 6.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,819&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(5)%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,910&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3)%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,284&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 6.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,702&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6)%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,771&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(5)%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,406&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Combined </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,974&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(7)%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,056&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6)%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,813&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5%</span></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cooling Degree Days:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 6.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,245&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">39%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,384&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">54%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,226&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">37%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 6.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">827&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">682&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">404&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(36)%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 6.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">604&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">74%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">594&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">71%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">462&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">33%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Combined </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">973&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">985&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">41%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">791&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">14%</span></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Degree days are calculated based on a weighted average of total customers by state.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:58.987%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.204%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.204%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.205%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">For the year ended December 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Contracted generating facilities Availability by fuel type</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">86.7%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">94.3%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">92.4%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas and diesel oil </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">95.5%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">84.6%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">90.5%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">95.8%</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">95.1%</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">89.5%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total availability</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">93.2%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">89.2%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">90.9%</span></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind Capacity Factor </span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">34.0%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">31.8%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30.9%</span></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Availability and Wind Capacity Factor are calculated using a weighted average based on capacity of our generating fleet.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;2021 included planned outages at Neil Simpson II, Wygen II, and Wygen III and unplanned outages at Wygen I, Neil Simpson II and Wyodak Plant.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;2020 included a planned outage at Cheyenne Prairie and unplanned outages at Pueblo Airport Generation and Lange CT. 2019 included planned outages at Neil Simpson CT and Lange CT.</span></div><div><span><br/></span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">41</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_97"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Gas Utilities</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Operating results for the years ended December 31 for the Gas Utilities were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:32.379%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.204%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.204%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.204%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.204%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.205%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021 vs 2020 Variance</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020 vs 2019 Variance</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue:</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas - regulated</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,051,610&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">900,637&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">150,973&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">932,111&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(31,474)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other - non-regulated services</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">73,255&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">74,033&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(778)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">77,919&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3,886)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total revenue</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,124,865&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">974,670&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">150,195&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,010,030&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(35,360)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cost of natural gas sold:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas - regulated</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">480,293&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">347,611&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">132,682&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">406,643&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(59,032)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other - non-regulated services</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">14,445&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,034&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,411&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">19,255&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(12,221)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total cost of natural gas sold</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">494,738&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">354,645&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">140,093&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">425,898&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(71,253)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utility margin (non-GAAP)</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">630,127&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">620,025&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10,102&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">584,132&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">35,893&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Operations and maintenance</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">314,810&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">303,577&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11,233&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">301,844&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,733&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Depreciation and amortization</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">104,160&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100,559&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,601&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">92,317&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,242&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total operating expenses</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">418,970&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">404,136&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">14,834&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">394,161&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,975&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Operating income</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">211,157&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">215,889&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(4,732)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">189,971&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">25,918&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">2021 Compared to 2020</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Gas Utility margin</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> increased over the prior year as a result of:</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:79.455%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.345%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in millions)</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">New rates</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">20.5&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Carrying costs on Winter Storm Uri regulatory asset </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.0&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Increased transport and transmission</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.2&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Prior year COVID-19 impacts</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1.8&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Mark-to-market on non-utility natural gas commodity contracts</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0.9&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Energy Services Winter Storm Uri costs</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(8.2)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weather</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6.8)</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">TCJA-related bill credits</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (c)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2.9)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1.4)</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total increase in Gas Utility margin</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.1&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:112%">(a)&#160;&#160;&#160;&#160;In certain jurisdictions, we have Commission approval to recover carrying costs on Winter Storm Uri regulatory assets which offset increased interest expense.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;Black Hills Energy Services offers fixed contract pricing for non-regulated gas supply services to our regulated natural gas customers. The increased cost of natural gas sold during Winter Storm Uri is not recoverable through a regulatory mechanism.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;In June 2021, Nebraska Gas delivered TCJA-related bill credits to its customers. These bill credits were offset by a reduction in income tax expense and resulted in a minimal impact to Net income.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Operations and maintenance expense</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> increased primarily due to $9.6 million of higher employee costs, $3.3 million of higher property taxes due to a higher asset base driven by prior and current year capital expenditures and $2.0 million of higher outside services expenses. The increase in expense was partially offset by $4.4 million of decreased bad debt expense associated with lower expected credit losses.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Depreciation and amortization</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> increased primarily due to a higher asset base driven by prior and current year capital expenditures partially offset by lower depreciation rates approved in the Nebraska Gas and Colorado Gas rate reviews.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">42</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">2020 Compared to 2019</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Gas Utility margin</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> increased in 2020 over 2019 as a result of:</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:79.455%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.345%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in millions)</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">New rates</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">25.4&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Customer growth - distribution</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.6&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Mark-to-market on non-utility natural gas commodity contracts</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.3&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of excess deferred income taxes in 2019</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.6&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weather</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1.8)</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">COVID-19 impacts </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1.8)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.6&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total increase in Gas Utility margin</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">35.9&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The impacts to Gas Utility margin from COVID-19 were primarily driven by reduced volumes from certain transport customers and waived customer late payment fees.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Operations and maintenance expense</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> increased primarily due to higher property taxes due to a higher asset base driven by capital expenditures. Lower employee costs were mostly offset by various other 2020 expenses. COVID-19 impacts to operations and maintenance expense included $2.5 million of additional bad debt expense which was partially offset by $2.4 million of lower travel, training, and outside services related expenses.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Depreciation and amortization</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> increased primarily due to a higher asset base driven by capital expenditures.</span></div><div><span><br/></span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Operating Statistics</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:28.139%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.449%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.449%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.449%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.449%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.449%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.456%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue (in thousands)</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Quantities Sold and Transported (Dth)</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">For the year ended December 31,</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">For the year ended December 31,</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr style="height:9pt"><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Residential</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">613,475&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">527,518&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">551,701&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60,080,805&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">61,962,171&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">66,956,080&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commercial</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">242,115&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">193,017&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">212,229&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">29,091,657&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28,784,319&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32,241,441&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Industrial</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">33,368&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24,014&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24,832&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,260,235&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,881,354&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,548,023&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,816&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">582&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,361)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Distribution</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">892,774&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">745,131&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">787,401&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">95,432,697&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">97,627,844&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">105,745,544&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:9pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transportation and Transmission</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">158,836&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">155,506&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">144,710&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">154,570,280&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">149,062,476&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">153,101,264&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:9pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Regulated</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,051,610&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">900,637&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">932,111&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">250,002,977&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">246,690,320&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">258,846,808&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:9pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-regulated Services</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">73,255&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">74,033&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">77,919&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:9pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Revenue and Quantities Sold</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,124,865&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">974,670&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,010,030&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">250,002,977&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">246,690,320&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">258,846,808&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Includes Black Hills Energy Services and non-regulated services under the Service Guard Comfort Plan, Tech Services and HomeServe.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">43</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:28.139%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.449%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.449%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.449%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:10.449%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.449%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.456%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue (in thousands)</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="9" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Quantities Sold and Transported (Dth)</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">For the year ended December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">For the year ended December 31,</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr style="height:9pt"><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Arkansas</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">218,497&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">184,849&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">185,201&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">31,478,303&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28,572,621&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30,496,243&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">208,019&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">186,085&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">199,369&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32,247,042&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32,077,083&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">33,908,529&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Iowa</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">171,673&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">137,982&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">151,619&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">38,022,801&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">36,824,548&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">41,795,729&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Kansas </span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">121,603&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">101,118&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">105,906&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">34,475,799&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">33,732,897&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32,650,854&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nebraska</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">273,361&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">246,381&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">255,622&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">81,035,572&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">80,202,783&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">81,481,192&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">131,712&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">118,255&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">112,313&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32,743,460&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">35,280,388&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">38,514,261&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Revenue and Quantities Sold</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,124,865&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">974,670&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,010,030&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">250,002,977&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">246,690,320&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">258,846,808&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="padding-left:36pt;text-indent:-36pt"><span><br/></span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:29.601%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.157%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:10.157%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.449%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:10.157%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.157%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.162%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="24" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">For the year ended December 31,</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Heating Degree Days</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Actual</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Variance From Normal</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Actual</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Variance From Normal</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Actual</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Variance From Normal</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Arkansas </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,565&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(12)%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,442&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(15)%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,897&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(4)%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,866&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(11)%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,068&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(8)%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,672&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Iowa</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,239&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(8)%</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,504&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(4)%</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,200&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Kansas </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,508&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(8)%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,648&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(5)%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,190&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nebraska</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,599&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(9)%</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,853&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(5)%</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,578&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,074&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(7)%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,289&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(4)%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,010&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Combined </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,948&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(8)%</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,038&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6)%</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,840&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5%</span></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Arkansas and Kansas have weather normalization mechanisms that mitigate the weather impact on Gas Utility margins.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;Heating degree days are calculated based on a weighted average of total customers by state excluding Kansas due to its weather normalization mechanism. Arkansas Gas is partially excluded based on the weather normalization mechanism in effect from November through April.</span></div><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_106"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Corporate and Other</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Corporate and Other operating results for the years ended December 31 were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.561%"><tr><td style="width:1.0%"></td><td style="width:32.380%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.262%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.262%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.969%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.262%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.265%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021 vs 2020 Variance</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020 vs 2019 Variance</span></td></tr><tr style="height:11pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Operating income (loss)</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(4,404)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,440&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(5,844)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,606)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,046&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">2021 Compared to 2020</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The variance in Operating income (loss) was primarily due to a prior year favorable true-up of employee costs which was allocated to our subsidiaries in the current year. This allocation was offset in our business segments and had no impact to consolidated results.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">2020 Compared to 2019</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The variance in Operating income (loss) was primarily due to a 2020 unallocated favorable true-up of employee costs.</span></div><div style="padding-left:36pt"><span><br/></span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">44</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_109"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Consolidated Interest Expense, Impairment of Investment, Other Income (Expense) and Income Tax Benefit (Expense)</span></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:33.110%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.057%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.057%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.057%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.057%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.062%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021 vs 2020 Variance</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020 vs 2019 Variance</span></td></tr><tr style="height:11pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest expense, net</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(152,404)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(143,470)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(8,934)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(137,659)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(5,811)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Impairment of investment</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6,859)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,859&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(19,741)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12,882&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other income (expense), net</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,404&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,293)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,697&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(5,740)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,447&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income tax benefit (expense)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(7,169)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(32,918)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">25,749&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(29,580)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3,338)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">2021 Compared to 2020</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Interest expense, net</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The increase in Interest expense, net was due to higher debt balances driven by the August 2021 senior unsecured notes and February 2021 term loan, partially offset by lower interest rates.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Impairment of investment</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In the prior year, we recorded a pre-tax non-cash write-down of $6.9 million in our investment in equity securities of a privately held oil and gas company. The impairment was triggered by continued adverse changes in future natural gas prices and liquidity concerns at the privately held oil and gas company.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Other income (expense), net</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The variance in Other income (expense), net was primarily due to lower non-service pension costs driven by a lower discount rate, lower costs for our non-qualified benefit plans which were driven by market performance and recognition of death benefits from Company-owned life insurance.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Income tax benefit (expense)</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">For the year ended December 31, 2021, the effective tax rate was 2.8% compared to 11.9% in 2020. The lower effective tax rate is primarily due to $10 million of increased tax benefits from Colorado Electric and Nebraska Gas TCJA-related bill credits to customers (which is offset by reduced revenue), $6.6 million of increased flow-through tax benefits related to repairs and gain deferral, $4.6 million of increased tax benefits from federal production tax credits associated with new wind assets, $2.9 million of increased tax benefits from amortization of excess deferred income taxes and $2.6 million from various statutory rate changes. These current year tax benefits were greater than prior year tax benefits from one-time research and development tax credits and the reversal of accrued excess deferred income taxes as part of resolving the last of the Company&#8217;s open dockets seeking approval of its TCJA plans. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_220">Note 15</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K for additional details.</span></div><div><span><br/></span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">2020 Compared to 2019</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Interest expense, net</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The increase in Interest expense, net was driven by higher debt balances partially offset by lower interest rates.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Impairment of investment</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In 2020, we recorded a pre-tax non-cash write-down of $6.9 million in our investment in equity securities of a privately held oil and gas company, compared to a $20 million write-down in 2019. The impairments in both years were triggered by continued adverse natural gas prices and liquidity concerns at the privately held oil and gas company.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Other income (expense), net</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The variance in Other income (expense), net was primarily due to the 2019 expensing of $5.4 million of development costs related to projects we no longer intend to construct which was partially offset by higher 2020 non-service defined benefit plan costs primarily driven by lower discount rates.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">45</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Income tax benefit (expense)</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">For the year ended December 31, 2020, the effective tax rate was 11.9% compared to 12.2% in 2019. The lower effective tax rate is primarily due to increased tax benefits from federal production tax credits associated with new wind assets and one-time research and development tax credits partially offset by a 2019 tax benefit from a federal tax loss carry-back claim including interest. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_220">Note 15</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K for additional details.</span></div><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_112"></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Liquidity and Capital Resources</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">OVERVIEW</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our company requires significant cash to support and grow our businesses. Our primary sources of cash are generated from our operating activities, five-year Revolving Credit Facility, CP Program, ATM and ability to access the public and private capital markets through debt and equity securities offerings when necessary. This cash is used for, among other things, working capital, capital expenditures, dividends, pension funding, investments in or acquisitions of assets and businesses, payment of debt obligations and redemption of outstanding debt and equity securities when required or financially appropriate.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We experience significant cash requirements during peak months of the winter heating season due to higher natural gas consumption, during periods of high natural gas prices, and during the construction season which typically peaks in spring and summer.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We believe that our cash on hand, operating cash flows, existing borrowing capacity and ability to complete new debt and equity financings, taken in their entirety, provide sufficient capital resources to fund our ongoing operating requirements, regulatory liabilities, debt maturities, anticipated dividends, and anticipated capital expenditures discussed in this section.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In response to Winter Storm Uri, we took steps to maintain adequate liquidity to operate our businesses and fund our capital investment program as discussed in the </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_85">Recent Developments</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> section above.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table provides an informational summary of our financial position as of December 31 (dollars in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:71.707%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.496%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.497%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Financial Position Summary</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cash and cash equivalents</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,921</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,356</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Restricted cash and equivalents</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,889</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,383</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Notes payable</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">420,180</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">234,040</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current maturities of long-term debt</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,436</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Long-term debt </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,126,923</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,528,100</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Stockholders&#8217; equity</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,787,094</span></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td colspan="2" style="padding:2px 7pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,561,385</span></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Ratios</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Long-term debt ratio</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">58&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total debt ratio</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">62&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Carrying value of long-term debt is net of deferred financing costs.</span></div><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_115"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">CASH FLOW ACTIVITIES</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table summarizes our cash flows for the years ended December 31 (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:53.724%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.958%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.958%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.960%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cash provided by (used in)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Operating activities</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(64,565)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">541,863&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">505,513&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Investing activities</span></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(664,230)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(761,664)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(816,210)</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Financing activities</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">731,866&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">216,882&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">300,210&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">46</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">2021 Compared to 2020</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Operating Activities:</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Net cash used in operating activities was $606 million higher than in 2020. The variance to the prior year was primarily attributable to:</span></div><div><span><br/></span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Cash earnings (income from continuing operations plus non-cash adjustments) were $21 million lower than prior year driven primarily by negative impacts from the unplanned outage at Wygen I, lower Electric and Gas Utility margin from Winter Storm Uri and unfavorable weather, higher operating expenses and higher interest expenses;</span></div><div><span><br/></span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Net outflows from changes in certain operating assets and liabilities were $593 million higher than prior year, primarily attributable to:</span></div><div style="padding-left:27pt"><span><br/></span></div><div style="padding-left:49.5pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:10.35pt">Cash outflows increased by approximately $508 million primarily as a result of changes in our regulatory assets and liabilities primarily driven by incremental fuel, purchased power and natural gas costs due to Winter Storm Uri;</span></div><div style="padding-left:13.5pt;text-indent:4.5pt"><span><br/></span></div><div style="padding-left:49.5pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:10.35pt">Cash inflows decreased by approximately $71 million primarily as a result of changes in accounts receivable and other current assets driven by decreased collections of accounts receivable and increased purchases of natural gas in storage;</span></div><div style="padding-left:13.5pt;text-indent:4.5pt"><span><br/></span></div><div style="padding-left:49.5pt;text-indent:-13.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:10.35pt">Cash inflows decreased by approximately $14 million as a result of changes in accounts payable and other current  liabilities driven by payment timing related to payroll taxes;</span></div><div style="padding-left:13.5pt;text-indent:4.5pt"><span><br/></span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Cash outflows decreased by $13 million due to pension contributions made in the prior year; and</span></div><div><span><br/></span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Cash inflows decreased $4.5 million for other operating activities.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Investing Activities:</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Net cash used in investing activities was $97 million lower than in 2020.  This variance to the prior year was primarily attributable to:</span></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Capital expenditures of approximately $677 million in 2021 compared to $767 million in 2020. Lower current year expenditures are driven by lower programmatic safety, reliability and integrity spending at our Gas Utilities segments and the prior year Corriedale wind project at our Electric Utilities segment; and</span></div><div><span><br/></span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Cash inflows increased $7.5 million for other investing activities primarily driven by the sales of transmission assets and facilities, none of which were individually significant.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Financing Activities:</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Net cash provided by financing activities was $515 million higher than in 2020. This variance to the prior year was primarily attributable to:</span></div><div style="padding-left:27pt"><span><br/></span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Cash inflows increased $502 million due to long and short-term borrowings in excess of repayments;</span></div><div style="padding-left:27pt"><span><br/></span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Cash inflows increased $20 million due to higher issuances of common stock;</span></div><div><span><br/></span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Cash outflows increased $10 million due to increased dividends paid on common stock; and</span></div><div><span><br/></span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Cash outflows decreased by $3.0 million for other financing activities.</span></div><div><span><br/></span></div><div style="padding-left:27pt"><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_118"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">CAPITAL RESOURCES</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Short-term Debt</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Revolving Credit Facility and CP Program</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have a $750 million Revolving Credit Facility that matures on July 19, 2026 with two one-year extension options (subject to consent from lenders). This facility includes an accordion feature that allows us to increase total commitments up to $1.0 billion with the consent of the administrative agent, the issuing agents and each bank increasing or providing a new commitment. We also have a $750 million, unsecured CP Program that is backstopped by the Revolving Credit Facility. Amounts outstanding under the Revolving Credit Facility and the CP Program, either individually or in the aggregate, cannot exceed $750 million.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">47</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Revolving Credit Facility prohibits us from paying cash dividends if a default or an event of default exists prior to, or would result after, paying a dividend. Although these contractual restrictions exist, we do not anticipate triggering any default measures or restrictions.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Revolving Credit Facility contains cross-default provisions that could result in a default under such agreements if BHC or its material subsidiaries failed to 1) make timely payments of debt obligations; or 2) triggered other default provisions under any debt agreement totaling, in the aggregate principal amount of $50 million or more that permit the acceleration of debt maturities or mandatory debt prepayment.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Revolving Credit Facility and CP Program had the following borrowings, outstanding letters of credit, and available capacity (in millions):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:21.268%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.695%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.987%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:19.221%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:17.613%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:17.616%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Short-term borrowings at</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Letters of Credit </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> at</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Available Capacity at</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Credit Facility</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Expiration</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Capacity</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revolving Credit Facility and CP Program</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">July 19, 2026</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">750&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">420&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">303&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Letters of credit are off-balance sheet commitments that reduce the borrowing capacity available on our corporate Revolving Credit. For more information on these letters of credit, see </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_196">Note 8</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The weighted average interest rate on short-term borrowings at December 31, 2021 was 0.30%. Short-term borrowing activity for the year ended December 31, 2021 was:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:76.823%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:20.977%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(dollars in millions)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum amount outstanding (based on daily outstanding balances)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">440&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Average amount outstanding (based on daily outstanding balances)</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">258&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 5.5pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted average interest rate</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0.22&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_196">Note 8</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K for more information on our Revolving Credit Facility and CP Program.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Term Loan</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_196">Note 8</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K for more information related to our term loan.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Utility Money Pool</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As a utility holding company, we are required to establish a cash management program to address lending and borrowing activities between our utilities and the Company. We have established utility money pool agreements which address these requirements. These agreements are on file with the FERC and appropriate state regulators. Under the utility money pool agreements, our utilities may, at their option, borrow and extend short-term loans to our other utilities via a utility money pool at market-based rates. While the utility money pool may borrow funds from the Company (as ultimate parent company), the money pool arrangement does not allow loans from our utility subsidiaries to the Company (as ultimate parent company) or to non-regulated affiliates.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Long-term Debt</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Long-term debt and associated interest payments due by year are shown below (in thousands). For more information on our long-term debt, see </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_196">Note 8</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:32.964%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.256%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.256%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.256%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.256%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.256%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.256%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.700%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="21" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Payments Due by Period</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2022</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2023</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2024</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2025</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2026</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Thereafter</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Principal payments on Long-term debt including current maturities </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(a)</span></div></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">525,000&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">600,000&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2,735,000&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4,160,000&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest payments on Long-term debt </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">147,720&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">147,772&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">125,460&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">119,238&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">113,313&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,095,879&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,749,382&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;padding-left:8.24pt">Long-term debt amounts do not include deferred financing costs or discounts or premiums on debt. Estimated interest payments on variable rate debt are calculated by utilizing the applicable rates as of December 31, 2021.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">48</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Covenant Requirements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Revolving Credit Facility and Wyoming Electric&#8217;s financing agreements contain covenant requirements. We were in compliance with these covenants as of December 31, 2021. See additional information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_196">Note 8</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Equity</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Shelf Registration</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have a shelf registration statement on file with the SEC under which we may issue, from time to time, senior debt securities, subordinated debt securities, common stock, preferred stock, warrants and other securities. Although the shelf registration statement does not limit our issuance capacity, our ability to issue securities is limited to the authority granted by our Board of Directors, certain covenants in our financing arrangements and restrictions imposed by federal and state regulatory authorities.  The shelf registration expires in August 2023. Our articles of incorporation authorize the issuance of 100 million shares of common stock and 25 million shares of preferred stock. As of December 31, 2021, we had approximately 65 million shares of common stock outstanding and no shares of preferred stock outstanding.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">ATM</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our ATM allows us to sell shares of our common stock with an aggregate value of up to $400 million. The shares may be offered from time to time pursuant to a sales agreement dated August 4, 2020. Shares of common stock are offered pursuant to our shelf registration statement filed with the SEC. During the twelve months ended December 31, 2021, we issued a total of 1,812,197 shares of common stock under the ATM for $119&#160;million, net of $1.1&#160;million in issuance costs.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">For additional information regarding equity, see </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_196">Note 8</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Future Financing Plans</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We will continue to assess debt and equity needs to support our capital investment plans and other key strategic objectives. In 2022, we expect to fund our capital plan and strategic objectives by using cash generated from operating activities, our Revolving Credit Facility and CP Program, and issuing $100 million to $120 million of common stock under the ATM.</span></div><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_121"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">CREDIT RATINGS</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Financing for operational needs and capital expenditure requirements, not satisfied by operating cash flows, depends upon the cost and availability of external funds through both short and long-term financing. In order to operate and grow our business, we need to consistently maintain the ability to raise capital on favorable terms. Access to funds is dependent upon factors such as general economic and capital market conditions, regulatory authorizations and policies, the Company&#8217;s credit ratings, cash flows from routine operations and the credit ratings of counterparties. After assessing the current operating performance, liquidity and credit ratings of the Company, management believes that the Company will have access to the capital markets at prevailing market rates for companies with comparable credit ratings. We note that credit ratings are not recommendations to buy, sell, or hold securities and may be subject to revision or withdrawal at any time by the assigning rating agency. Each rating should be evaluated independently of any other rating.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table represents the credit ratings, outlook and risk profile of BHC at December 31, 2021:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:32.379%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:32.233%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:32.088%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Rating Agency</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Senior Unsecured Rating</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Outlook</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">S&amp;P </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">BBB+</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Stable</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Moody&#8217;s </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Baa2</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Stable</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fitch </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">BBB+</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Stable</span></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;On October 20, 2021, S&amp;P reported BBB+ rating and maintained a Stable outlook.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;On December 20, 2021, Moody&#8217;s reported Baa2 rating and maintained a Stable outlook.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;On September 17, 2021, Fitch reported BBB+ rating and maintained a Stable outlook.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">49</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Certain fees and interest rates under our Revolving Credit Facility are based on our credit ratings at all three rating agencies.&#160;If all of our ratings are at the same level, or if two of our ratings are the same level and one differs, these fees and interest rates will be based on the ratings that are at the same level.&#160;If all of our ratings are at different levels, these fees and interest rates will be based on the middle level.&#160;Currently, our Fitch and S&amp;P ratings are at the same level, and our Moody&#8217;s rating is one level below.&#160;Therefore, if Fitch or S&amp;P downgrades our senior unsecured debt, we will be required to pay higher fees and interest rates under our Revolving Credit Facility.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table represents the credit ratings of South Dakota Electric at December 31, 2021:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:48.900%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:48.900%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Rating Agency</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Senior Secured Rating</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">S&amp;P </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">A</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fitch </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">A</span></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;On July 1, 2021, S&amp;P reported A rating.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;On September 17, 2021, Fitch reported A rating.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We do not have any trigger events (i.e., an acceleration of repayment of outstanding indebtedness, an increase in interest costs, or the posting of additional cash collateral) tied to our stock price and have not executed any transactions that require us to issue equity based on our credit ratings.</span></div><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_124"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">CAPITAL REQUIREMENTS</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Capital Expenditures</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Capital expenditures are a substantial portion of our cash requirements each year and we continue to forecast a robust capital expenditure program during the next five years. See above in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_79">Key Elements of our Business Strategy</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for forecasted capital expenditure requirements. A significant portion of our capital expenditures are for safety, reliability and integrity of our system and is included in utility rate base and eligible for recovery from our utility customers with regulatory approval. Those capital expenditures also earn a rate of return authorized by the commissions in the jurisdictions in which we operate.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our capital expenditures for the three years ended December 31 were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:52.125%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.536%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.732%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.536%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.732%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.539%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Capital Expenditures By Segment </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a) </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">:</span></div></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">285,770&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">288,683&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">316,687&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">383,320&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">449,209&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">512,366&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Corporate and Other</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10,500&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17,500&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">20,702&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total capital expenditures</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">679,590&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">755,392&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">849,755&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Includes accruals for property, plant and equipment as disclosed as supplemental cash flow information in the </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_163">Consolidated Statements of Cash Flows</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> in the Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Repayments of Indebtedness</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">For information relating to repayments of our short- and  long-term debt and associated interest payments, see the </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_118">Capital Resources</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> section above and </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_196">Note 8</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Unconditional Purchase Obligations</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have unconditional purchase obligations which include the energy and capacity costs associated with our PPAs, transmission services agreements, and natural gas capacity, transportation and storage agreements. Additionally, our Gas Utilities have commitments to purchase physical quantities of natural gas under contracts indexed to various forward natural gas price curves.  For additional information. see </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_178">Note 3</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Defined Benefit Pension Plan</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have one defined benefit pension plan, the Black Hills Retirement Plan (Pension Plan). The unfunded status of the Pension Plan is defined as the amount the projected benefit obligation exceeds the plan assets. The unfunded status of the plan is $20&#160;million as of December 31, 2021, compared to $40&#160;million as of December 31, 2020. While we do not have required contributions, we expect to make $3.9 million in contributions to our Pension Plan in 2022. See further information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_214">Note 13</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">50</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Common Stock Dividends</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Future cash dividends, if any, will be dependent on our results of operations, financial position, cash flows, reinvestment opportunities and other factors, and will be evaluated and approved by our Board of Directors.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Additionally, there are certain statutory limitations that could affect future cash dividends paid. Federal law places limits on the ability of public utilities within a holding company structure to declare dividends. Specifically, under the Federal Power Act, a public utility may not pay dividends from any funds properly included in a capital account. The utility subsidiaries&#8217; dividends may be limited directly or indirectly by state regulatory commissions or bond indenture covenants. See additional information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_196">Note 8</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On January 26, 2022, our Board of Directors declared a quarterly dividend of $0.595 per share, equivalent to an annual dividend rate of $2.38 per share. The table below provides our dividends paid (in thousands), dividend payout ratio and dividends paid per share for the three years ended December 31:</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:54.894%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.543%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.081%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.082%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Common Stock Dividends Paid</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">145,023&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">135,439&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">124,647&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Dividend Payout Ratio</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">61&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">63&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:middle"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Dividends Per Share</span></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.29&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.17&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.05&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our three-year compound annualized dividend growth rate was 5.9%.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Collateral Requirements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Utilities maintain wholesale commodity contracts for the purchases and sales of electricity and natural gas which have performance assurance provisions that allow the counterparty to require collateral postings under certain conditions, including when requested on a reasonable basis due to a deterioration in our financial condition or nonperformance. A significant downgrade in our credit ratings, such as a downgrade to a level below investment grade, could result in counterparties requiring collateral postings under such adequate assurance provisions. The amount of credit support that we may be required to provide at any point in the future is dependent on the amount of the initial transaction, changes in the market price, open positions and the amounts owed by or to the counterparty. At December 31, 2021, we had sufficient liquidity to cover collateral that could be required to be posted under these contracts. The cash collateral we were required to post at December 31, 2021 was not material.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Guarantees</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We provide various guarantees, which represent off-balance sheet commitments, supporting certain of our subsidiaries under specified agreements or transactions. For more information on these guarantees, see </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_178">Note 3</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_127"></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Critical Accounting Estimates</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We prepare our consolidated financial statements in conformity with GAAP. In many cases, the accounting treatment of a particular transaction is specifically dictated by GAAP and does not require management&#8217;s judgment in application. There are also areas which require management&#8217;s judgment in selecting among available GAAP alternatives. We are required to make certain estimates, judgments and assumptions that we believe are reasonable based upon the information available. We continue to closely monitor the impacts of COVID-19 and Winter Storm Uri on our critical accounting estimates including, but not limited to, collectibility of customer receivables, recoverability of regulatory assets, impairment risk of goodwill and long-lived assets, valuation of pension assets and liabilities and contingent liabilities. These estimates and assumptions affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the periods presented. Actual results may differ from our estimates and to the extent there are material differences between these estimates, judgments or assumptions and actual results, our financial statements will be affected. We believe the following accounting estimates are the most critical in understanding and evaluating our reported financial results. We have reviewed these critical accounting estimates and related disclosures with our Audit Committee.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following discussion of our critical accounting estimates should be read in conjunction with </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_172">Note 1</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, &#8220;</span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_172">Business Description and Significant Accounting Policies</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8221; of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">51</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Regulation</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our regulated Electric and Gas Utilities are subject to cost-of-service regulation and earnings oversight from federal and state utility commissions. This regulatory treatment does not provide any assurance as to achievement of desired earnings levels. Our retail electric and gas utility rates are regulated on a state-by-state basis by the relevant state regulatory commissions based on an analysis of our costs, as reviewed and approved in a regulatory proceeding. The rates that we are allowed to charge may or may not match our related costs and allowed return on invested capital at any given time.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Management continually assesses the probability of future recoveries associated with regulatory assets and future obligations associated with regulatory liabilities. Factors such as the current regulatory environment, recently issued rate orders and historical precedents are considered. As a result, we believe that the accounting prescribed under rate-based regulation remains appropriate and our regulatory assets are probable of recovery in current rates or in future rate proceedings.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">To some degree, each of our Electric and Gas Utilities are permitted to recover certain costs (such as increased fuel and purchased power costs) outside of a base rate review. To the extent we are able to pass through such costs to our customers, and a state regulatory commission subsequently determines that such costs should not have been paid by the customers, we may be required to refund such costs.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021 and 2020, we had total regulatory assets of $797 million and $278 million, respectively, and total regulatory liabilities of $503 million and $533 million, respectively. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_175">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K for further information.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Goodwill</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We perform a goodwill impairment test on an annual basis or upon the occurrence of events or changes in circumstances that indicate that the asset might be impaired. Our annual goodwill impairment testing date is as of October 1, which aligns with our financial planning process.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Accounting standards for testing goodwill for impairment require the application of either a qualitative or quantitative assessment to analyze whether or not goodwill has been impaired. Goodwill is tested for impairment at the reporting unit level. Under either the qualitative or quantitative assessment, the estimated fair value of a reporting unit is compared with its carrying amount, including goodwill. If the carrying amount exceeds fair value, then an impairment loss would be recognized in an amount equal to that excess, limited to the amount of goodwill allocated to that reporting unit.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Application of the goodwill impairment test requires judgment, including the identification of reporting units and determining the fair value of the reporting unit. We have determined that the reporting units for goodwill impairment testing are our operating segments, or components of an operating segment, that constitute a business for which discrete financial information is available and for which the Chief Operating Decision Maker (CODM) regularly reviews the operating results. We estimate the fair value of our reporting units using a combination of an income approach, which estimates fair value based on discounted future cash flows, and a market approach, which estimates fair value based on market comparables within the utility and energy industries.  These valuations require significant judgments, including, but not limited to: 1) estimates of future cash flows, based on our internal five-year business plans and adjusted as appropriate for our view of market participant assumptions, with long range cash flows estimated using a terminal value calculation; 2) estimates of long-term growth rates for our businesses; 3) the determination of an appropriate weighted-average cost of capital or discount rate; and 4) the utilization of market information such as recent sales transactions for comparable assets within the utility and energy industries. Varying by reporting unit, weighted average cost of capital in the range of 4.9% to 5.1% and long-term growth rate projections of 1.75% were utilized in the goodwill impairment test performed as of October 1, 2021. Although 1.75% was used for a long-term growth rate projection, the short-term projected growth rate is higher with planned recovery of capital investments through rider mechanisms and rate reviews. Under the market approach, we estimate fair value using multiples derived from comparable sales transactions and enterprise value to EBITDA for comparative peer companies for each respective reporting unit. These multiples are applied to operating data for each reporting unit to arrive at an indication of fair value. In addition, we add a reasonable control premium when calculating fair value utilizing the peer multiples, which is estimated as the premium that would be received in a sale in an orderly transaction between market participants.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The estimates and assumptions used in the impairment assessments are based on available market information and we believe they are reasonable. However, variations in any of the assumptions could result in materially different calculations of fair value and determinations of whether or not an impairment is indicated. For the years ended December 31, 2021, 2020, and 2019, there were no impairment losses recorded. At December 31, 2021, the fair value substantially exceeded the carrying value at all reporting units.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">52</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Pension and Other Postretirement Benefits</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As described in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_214">Note 13</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K, we have one defined benefit pension plan, one defined post-retirement healthcare plan and several non-qualified retirement plans. A Master Trust holds the assets for the pension plan. A VEBA trust for the funded portion of the post-retirement healthcare plan has also been established.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Accounting for pension and other postretirement benefit obligations involves numerous assumptions, the most significant of which relate to the discount rates, healthcare cost trend rates, expected return on plan assets, compensation increases, retirement rates and mortality rates. The determination of our obligation and expenses for pension and other postretirement benefits is dependent on the assumptions determined by management and used by actuaries in calculating the amounts.  Although we believe our assumptions are appropriate, significant differences in our actual experience or significant changes in our assumptions may materially affect our pension and other postretirement obligations and our future expense.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The 2022 pension benefit cost for our non-contributory funded pension plan is expected to be $2.2 million compared to $0.8 million in 2021. The increase in the expected 2022 pension benefit cost is driven primarily by lower expected asset returns and a higher discount rate.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The effect of hypothetical changes to selected assumptions on the pension and other postretirement benefit plans would be as follows in thousands of dollars:</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:48.315%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.496%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.443%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:1.700%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.446%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31,</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Assumptions</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Percentage Change</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Increase/(Decrease)</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PBO/APBO </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022<br/>&#160;Increase/(Decrease) Expense - Pretax</span></td></tr><tr style="height:15pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pension</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:22.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Discount rate </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;+/- 0.5</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(27,101)/29,688</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,883)/2,389</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 23.5pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Expected return on assets</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;+/- 0.5</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,180)/2,180</span></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">OPEB</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:22.5pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Discount rate </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;+/- 0.5</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,839)/3,097</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">47/107</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 23.5pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Expected return on assets</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;+/- 0.5</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(37)/37</span></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Projected benefit obligation (PBO) for the pension plan and accumulated postretirement benefit obligation (APBO) for OPEB plans.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;Impact on service cost, interest cost and amortization of gains or losses.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Income Taxes</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Company and its subsidiaries file consolidated federal income tax returns. Each entity records income taxes as if it were a separate taxpayer for both federal and state income tax purposes and consolidating adjustments are allocated to the subsidiaries based on separate company computations of taxable income or loss.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Company uses the asset and liability method in accounting for income taxes. Under the asset and liability method, deferred income taxes are recognized at currently enacted income tax rates, to reflect the tax effect of temporary differences between the financial and tax basis of assets and liabilities as well as operating loss and tax credit carryforwards. Such temporary differences are the result of provisions in the income tax law that either require or permit certain items to be reported on the income tax return in a different period than they are reported in the financial statements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In assessing the realization of deferred tax assets, management considers whether it is more likely than not that some portion or all of the deferred tax assets will not be realized and provides any necessary valuation allowances as required. If we determine that we will be unable to realize all or part of our deferred tax assets in the future, an adjustment to the deferred tax asset would be made in the period such determination was made. These adjustments may increase or decrease earnings. Although we believe our assumptions, judgments and estimates are reasonable, changes in tax laws or our interpretations of tax laws and the resolution of current and any future tax audits could significantly impact the amounts provided for income taxes in our consolidated financial statements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_220">Note 15</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K for additional information.</span></div><div><span><br/></span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">53</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_133"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our activities in the regulated and non-regulated energy sectors expose us to a number of risks in the normal operations of our businesses. Depending on the activity, we are exposed to varying degrees of market risk and credit risk.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Market risk is the potential loss that may occur as a result of an adverse change in market price, rate or supply. We are exposed, but not limited to, the following market risks:</span></div><div><span><br/></span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Commodity price risk associated with our retail natural gas services, wholesale electric power marketing activities and  fuel procurement for several of our gas-fired generation assets. Market fluctuations may occur due to unpredictable factors such as weather (Winter Storm Uri), market speculation, inflation, pipeline constraints, and other factors that may impact natural gas and electric energy supply and demand; and</span></div><div><span><br/></span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Interest rate risk associated with future debt, including reduced access to liquidity during periods of extreme capital markets volatility, such as the 2008 financial crisis and the COVID-19 pandemic.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Credit risk is associated with financial loss resulting from non-performance of contractual obligations by a counterparty.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">To manage and mitigate these identified risks, we have adopted the Black Hills Corporation Risk Policies and Procedures. The Black Hills Corporation Risk Policies and Procedures have been approved by our Executive Risk Committee. These policies relate to numerous matters including governance, control infrastructure, authorized commodities and trading instruments, prohibited activities and employee conduct. We report any issues or concerns pertaining to the Risk Policies and Procedures to the Audit Committee of our Board of Directors. The Executive Risk Committee, which includes senior level executives, meets at least quarterly and as necessary, to review our business and credit activities and to ensure that these activities are conducted within the authorized policies.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Commodity Price Risk</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Electric and Gas Utilities</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our utilities have various provisions that allow them to pass the prudently-incurred cost of energy through to the customer. To the extent energy prices are higher or lower than amounts in our current billing rates, adjustments are made on a periodic basis to reflect billed amounts to match the actual energy cost we incurred. In Colorado, South Dakota and Wyoming, we have ECA or PCA provisions that adjust electric rates when energy costs are higher or lower than the costs included in our tariffs. In Arkansas, Colorado, Iowa, Kansas, Nebraska and Wyoming, we have GCA provisions that adjust natural gas rates when our natural gas costs are higher or lower than the energy cost included in our tariffs. These adjustments are subject to periodic prudence reviews by the state regulatory commissions.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The operations of our utilities, including natural gas sold by our Gas Utilities and natural gas used by our Electric Utilities&#8217; generation plants or those plants under PPAs where our Electric Utilities must provide the generation fuel (tolling agreements), expose our utility customers to natural gas price volatility. Therefore, as allowed or required by state regulatory commissions, we have entered into commission-approved hedging programs utilizing natural gas futures, options, over-the-counter swaps and basis swaps to reduce our customers&#8217; underlying exposure to these fluctuations.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">For our regulated Utilities&#8217; hedging plans, unrealized and realized gains and losses, as well as option premiums and commissions on these transactions are recorded as Regulatory assets or Regulatory liabilities in the accompanying Consolidated Balance Sheets in accordance with the state utility commission guidelines. When the related costs are recovered through our rates, the hedging activity is recognized in the Consolidated Statements of Income. See additional information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_202">Note 9</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Wholesale Power</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We periodically have wholesale power purchase and sale contracts used to manage purchased power costs and load requirements associated with serving our electric customers that are considered derivative instruments and do not qualify for the normal purchase and normal sales exception for derivative accounting. Changes in the fair value of these commodity derivatives are recognized in the Consolidated Statements of Income.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A potential risk related to wholesale power sales is the price risk arising from the sale of power that exceeds our generating capacity. These potential short positions can arise from unplanned plant outages or from unanticipated load demands. To manage such risk, we restrict wholesale off-system sales to amounts by which our anticipated generating capabilities and purchased power resources exceed our anticipated load requirements plus a required reserve margin.</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">54</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Black Hills Energy Services</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We buy and sell natural gas at competitive prices by managing commodity price risk. As a result of these activities, this area of our business is exposed to risks associated with changes in the market price of natural gas. We manage our exposure to such risks using over-the-counter and exchange traded options and swaps with counterparties in anticipation of forecasted purchases and sales. A portion of our over-the-counter swaps have been designated as cash flow hedges to mitigate the commodity price risk associated with fixed price forward contracts to supply gas to our Choice Gas Program customers. The gain or loss on these designated derivatives is reported in AOCI in the accompanying Consolidated Balance Sheets and reclassified into earnings in the same period that the underlying hedged item is recognized in earnings.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">At December 31, 2021 and 2020, a 10% change in market prices for our derivative instruments would not materially impact pre-tax income, the fair values of our derivative assets and liabilities, or OCI.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See additional commodity risk and derivative information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_202">Note 9</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Interest Rate Risk</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Periodically, we have engaged in activities to manage risks associated with changes in interest rates. We have utilized pay-fixed interest rate swap agreements to reduce exposure to interest rate fluctuations associated with floating rate debt obligations and anticipated debt refinancings. At December 31, 2021, we had no interest rate swaps in place. Further details of past swap agreements are set forth in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_202">Note 9</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">At December 31, 2021, 91% of our debt is fixed rate debt, which limits our exposure to variable interest rate fluctuations. A hypothetical 100 basis point increase in the benchmark rate on our variable rate debt would have increased annual pretax interest expense by approximately $2.7 million and $2.1 million for the years ended December 31, 2021 and 2020, respectively.  See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_196">Note 8</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for further information on cash amounts outstanding under short- and long-term variable rate borrowings.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We are subject to interest rate risk associated with our pension and post-retirement benefit obligations. Changes in interest rates impact the liabilities associated with these benefit plans as well as the amount of income or expense recognized for these plans. Declines in the value of the plan assets could diminish the funded status of the pension plans and potentially increase the requirements to make cash contributions to these plans. See additional information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_127">Critical Accounting Estimates</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_73">Item 7</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> and </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_214">Note 13</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Credit Risk</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have adopted the Black Hills Corporation Credit Policy that establishes guidelines, controls and limits to manage and mitigate credit risk within risk tolerances established by the Board of Directors. We attempt to mitigate our credit exposure by conducting business primarily with high credit quality entities, setting tenor and credit limits commensurate with counterparty financial strength, obtaining master netting agreements and mitigating credit exposure with less creditworthy counterparties through parental guarantees, cash collateral requirements, letters of credit and other security agreements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We perform ongoing credit evaluations of our customers and adjust credit limits based upon payment history and the customer&#8217;s current creditworthiness, as determined by review of their current credit information. We maintain a provision for estimated credit losses based upon historical experience, changes in current market conditions, expected losses and any specific customer collection issue that is identified. Our credit exposure at December 31, 2021 was concentrated primarily among retail utility customers, investment grade companies, cooperative utilities and federal agencies.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See more information in Notes </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_172">1</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> and </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_202">9</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">55</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_136"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 8.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:37.04pt">FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA</span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_139"></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline">Management&#8217;s Report on Internal Control Over Financial Reporting</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We are responsible for establishing and maintaining adequate internal control over financial reporting as defined in Rules 13a-15(f) and 15d-15(f) under the Securities Exchange Act of 1934, as amended.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:120%;position:relative;top:-3.15pt;vertical-align:baseline"> </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles.</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">All internal control systems, no matter how well designed, have inherent limitations. Therefore, even those systems determined to be effective can provide only reasonable assurance with respect to financial statement preparation and presentation. Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Under the supervision and with the participation of management, including our Chief Executive Officer and Chief Financial Officer, we conducted an evaluation of the effectiveness of our internal control over financial reporting as of December 31, 2021, based on the criteria set forth in </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Internal Control - Integrated Framework (2013) </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">issued by the Committee of Sponsoring Organizations of the Treadway Commission &#8220;COSO&#8221;. This evaluation included review of the documentation of controls, evaluation of the design effectiveness of controls, testing of the operating effectiveness of controls and a conclusion on this evaluation. Based on our evaluation, we have concluded that our internal control over financial reporting was effective as of December 31, 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Deloitte &amp; Touche LLP, an independent registered public accounting firm, as auditors of Black Hills Corporation&#8217;s financial statements, has issued an attestation report on the effectiveness of Black Hills Corporation's internal control over financial reporting as of December 31, 2021. Deloitte &amp; Touche LLP's report on Black Hills Corporation's internal control over financial reporting is included herein.</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Black Hills Corporation</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">56</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_142"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:5pt"><td colspan="3" style="border-bottom:2pt solid #000000;padding:0 1pt"></td></tr></table></div><div><span><br/></span></div><div><span><br/></span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">To the shareholders and the Board of Directors of Black Hills Corporation</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Opinion on the Financial Statements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have audited the accompanying consolidated balance sheets of Black Hills Corporation and subsidiaries (the "Company") as of December 31, 2021 and 2020, the related consolidated statements of income, comprehensive income, shareholders' equity, and cash flows, for each of the three years in the period ended December 31, 2021, and the related notes (collectively referred to as the "financial statements"). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2021 and 2020, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2021, in conformity with accounting principles generally accepted in the United States of America.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company's internal control over financial reporting as of December 31, 2021, based on criteria established in </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Internal Control &#8212; Integrated Framework (2013)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated February 15, 2022, expressed an unqualified opinion on the Company's internal control over financial reporting.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Basis for Opinion</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company's financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Critical Audit Matter</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The critical audit matter communicated below is a matter arising from the current-period audit of the financial statements that was communicated or required to be communicated to the audit committee and that (1) relates to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of critical audit matters does not alter in any way our opinion on the financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:700;line-height:120%">Regulatory Accounting - Impact of Rate Regulation on the Financial Statements &#8212; Refer to Notes 1 and 2 to the Financial Statements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Critical Audit Matter Description</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Company is subject to cost-of-service regulation and earnings oversight by state and federal utility commissions (collectively, the &#8220;Commissions&#8221;), which have jurisdiction over the Company&#8217;s electric rates in Colorado, Montana, South Dakota and Wyoming and natural gas rates in Arkansas, Colorado, Iowa, Kansas, Nebraska and Wyoming. Management has determined it meets the requirements under accounting principles generally accepted in the United States of America to prepare its financial statements applying the specialized rules to account for the effects of cost-based rate regulation. Accounting for the economics of rate regulation impacts multiple financial statement line items and disclosures, such as property, plant, and equipment; regulatory assets and liabilities; revenue; operating expenses; and income tax benefit (expense).</span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">57</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Rates are regulated on a state-by-state basis by the relevant state regulatory commissions based on an analysis of the costs, as reviewed and approved in a regulatory proceeding. Rate regulation is premised on the full recovery of prudently incurred costs and a reasonable rate of return on invested capital. Decisions to be made by the Commissions in the future will impact the accounting for regulated operations, including decisions about the amount of allowable costs and return on invested capital included in rates and any refunds that may be required. While the Company has indicated its regulatory assets are probable of recovery in current rates or in future proceedings, there is a risk that the Commissions will not judge all costs to have been prudently incurred or that the rate regulation process in which rates are determined will not always result in rates that produce a full recovery of costs and the return on invested capital.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We identified the impact of rate regulation as a critical audit matter due to the significant judgments made by management to support its assertions about impacted account balances and disclosures and the high degree of subjectivity involved in assessing the impact of future regulatory orders on the financial statements. Management judgments include assessing the likelihood of (1) recovery in future rates of incurred costs, and (2) a refund or future rate reduction to be provided to customers. Given the uncertainty of future decisions by the Commissions, auditing these judgments required specialized knowledge of accounting for rate regulation and the rate setting process due to its inherent complexities.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">How the Critical Audit Matter Was Addressed in the Audit</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our audit procedures related to the uncertainty of future decisions by the Commissions included the following, among others:</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">We tested the effectiveness of management&#8217;s controls over the evaluation of the likelihood of (1) the recovery in future rates of costs incurred as property, plant, and equipment and deferred as regulatory assets, and (2) refunds or future reductions in rates that should be reported as regulatory liabilities. We tested the effectiveness of management&#8217;s controls over the initial recognition of amounts as property, plant, and equipment; regulatory assets or liabilities; and the monitoring and evaluation of regulatory developments that may affect the likelihood of recovering costs in future rates or of a future reduction in rates.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">We read relevant regulatory orders issued by the Commissions, procedural memorandums, filings made by the Company, and other publicly available information, as appropriate, to assess the likelihood of recovery in future rates or of a future reduction in rates based on precedence of the Commissions&#8217; treatment of similar costs under similar circumstances. We evaluated the external information and compared it to the Company&#8217;s recorded regulatory asset and liability balances for completeness and for any evidence that might contradict management&#8217;s assertions.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">We obtained and evaluated an analysis from management regarding probability of recovery for regulatory assets or refund or future reduction in rates for regulatory liabilities not yet addressed in a regulatory order to assess management&#8217;s assertion that amounts are probable of recovery or of a future reduction in rates.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">We inspected minutes of the board of directors to identify any evidence that may contradict management&#8217;s assertions regarding probability of recovery or refunds. We also inquired of management regarding current year rate filings and new regulatory assets or liabilities.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">We evaluated the Company&#8217;s disclosures related to the impacts of rate regulation, including the balances recorded and regulatory developments.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">/s/ <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:AuditorName" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNDIvZnJhZzo5OTU2MjI2YzEwODU0Y2RlOGYzZTlkNGQzZTJhZmRhYi90ZXh0cmVnaW9uOjk5NTYyMjZjMTA4NTRjZGU4ZjNlOWQ0ZDNlMmFmZGFiXzc2OTY1ODE0MDI5NjI_e39505b8-27b9-4c28-9b97-cae6265edb19">DELOITTE &amp; TOUCHE LLP</ix:nonNumeric></span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:AuditorLocation" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNDIvZnJhZzo5OTU2MjI2YzEwODU0Y2RlOGYzZTlkNGQzZTJhZmRhYi90ZXh0cmVnaW9uOjk5NTYyMjZjMTA4NTRjZGU4ZjNlOWQ0ZDNlMmFmZGFiXzc2OTY1ODE0MDI5NjM_c09f1ba2-67c3-4fe3-9b72-63870995aaf2">Minneapolis, Minnesota</ix:nonNumeric></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">February 15, 2022</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have served as the Company's auditor since 2002.</span></div><div style="margin-bottom:9pt"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">58</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_145"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:115%">REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">To the shareholders and the Board of Directors of Black Hills Corporation</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:115%">Opinion on Internal Control over Financial Reporting</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">We have audited the internal control over financial reporting of Black Hills Corporation and subsidiaries (the &#8220;Company&#8221;) as of December 31, 2021, based on criteria established in </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:115%">Internal Control &#8212; Integrated Framework (2013)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%"> issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2021, based on criteria established in </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:115%">Internal Control &#8212; Integrated Framework (2013)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%"> issued by COSO.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated financial statements as of and for the year ended December 31, 2021, of the Company and our report dated February 15, 2022, expressed an unqualified opinion on those financial statements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:115%">Basis for Opinion</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">The Company&#8217;s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management's Report on Internal Control over Financial Reporting. Our responsibility is to express an opinion on the Company&#8217;s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:115%">Definition and Limitations of Internal Control over Financial Reporting</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">A company&#8217;s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company&#8217;s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company&#8217;s assets that could have a material effect on the financial statements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">/s/ DELOITTE &amp; TOUCHE LLP</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">Minneapolis, Minnesota</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">February 15, 2022</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">59</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_151"></div><hr style="page-break-after:always"/><div style="min-height:36pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">BLACK HILLS CORPORATION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">CONSOLIDATED STATEMENTS OF INCOME</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:53.724%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.958%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.958%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.960%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Year ended</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" 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style="padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Revenue</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" 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name="bkh:FuelPurchasedPowerAndCostOfGasSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzYtMi0xLTEtMA_13cbc5ed-324b-45d3-99c6-3cf43d08268a">492,404</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="bkh:FuelPurchasedPowerAndCostOfGasSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzYtMy0xLTEtMA_d26c4beb-65e5-407e-bb26-1c209ee730ad">570,829</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operations and maintenance</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="bkh:OperatingExpenseMaintenanceOperationsandOtherCostsandExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzctMS0xLTEtMA_7346c604-50cd-4bf1-9a81-8737625b0824">501,690</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="bkh:OperatingExpenseMaintenanceOperationsandOtherCostsandExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzctMi0xLTEtMA_ce27fb8c-3ce3-4d5e-a5af-53be76eee4d9">495,404</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="bkh:OperatingExpenseMaintenanceOperationsandOtherCostsandExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzctMy0xLTEtMA_563ddfea-999a-4a9f-b9db-636bd7a50b98">495,994</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Depreciation, depletion and amortization</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:DepreciationDepletionAndAmortization" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzgtMS0xLTEtMA_4cf25f52-7773-4aa1-9458-05174742b101">235,953</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:DepreciationDepletionAndAmortization" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzgtMi0xLTEtMA_b1ca6c65-cfff-4541-846d-16b29386004b">224,457</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:DepreciationDepletionAndAmortization" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzgtMy0xLTEtMA_3d0a126d-0383-4e32-89f3-3d163c9d8d53">209,120</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Taxes - property and production</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:TaxesExcludingIncomeAndExciseTaxes" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzktMS0xLTEtMA_91aaad25-744b-4a3d-9e93-dffcf3d132d6">60,096</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:TaxesExcludingIncomeAndExciseTaxes" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzktMi0xLTEtMA_391c3aae-0eba-4766-b775-7aec240e811a">56,373</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:TaxesExcludingIncomeAndExciseTaxes" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzktMy0xLTEtMA_1181ea81-f269-43f1-bd86-a697aa71f4d1">52,915</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total operating expenses</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:OperatingExpenses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzExLTEtMS0xLTA_6104e0ab-c8ff-4f28-8a38-3fc6979b5f25">1,539,673</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:OperatingExpenses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzExLTItMS0xLTA_28460a48-3da7-4b3f-82c4-c02c01379bf4">1,268,638</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:OperatingExpenses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzExLTMtMS0xLTA_ff5f2ea1-b0c8-4707-8e51-61cdab71db4a">1,328,858</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:8pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operating income</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:OperatingIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzEzLTEtMS0xLTA_c56160b1-5253-4a60-b93e-8ae3dce32925">409,429</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:OperatingIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzEzLTItMS0xLTA_dee859f8-65bf-4dd3-9257-bfad7040a9a5">428,303</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:OperatingIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzEzLTMtMS0xLTA_2c98d434-d19e-4acc-a65d-d4c809118a2e">406,042</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:8pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other income (expense):</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest expense incurred net of amounts capitalized (including amortization of debt issuance costs, premiums and discounts)</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:InterestCostsIncurred" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzE2LTEtMS0xLTA_35fb6391-a8f1-4f97-aaac-bdb2a1359a01">154,112</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:InterestCostsIncurred" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzE2LTItMS0xLTA_3868094f-ce26-45d0-8a26-d11053b9cc9e">144,931</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:InterestCostsIncurred" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzE2LTMtMS0xLTA_d736f721-e30a-4ab7-888f-e1dcf7ae0fa3">139,291</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest income</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:InvestmentIncomeInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzE3LTEtMS0xLTA_b30b422b-d9f9-439a-8553-ea984a2e6b1a">1,708</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:InvestmentIncomeInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzE3LTMtMS0xLTA_203918da-3152-4243-a80a-89414c5bc2d7">1,632</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Impairment of investment</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:OtherAssetImpairmentCharges" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzE4LTEtMS0xLTA_d321b147-4f14-4956-8b8d-fd427b0346f4">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:OtherAssetImpairmentCharges" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzE4LTItMS0xLTA_c0e56055-eb46-4aa1-af15-f24f70345a6a">6,859</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:OtherAssetImpairmentCharges" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzE4LTMtMS0xLTA_faf2ab91-0a10-4bee-91ed-f5fd9dce1479">19,741</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other income (expense), net</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:OtherNonoperatingIncomeExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzE5LTEtMS0xLTA_925df78b-1410-49a2-86fe-93011623af90">1,404</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:OtherNonoperatingIncomeExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzE5LTItMS0xLTA_d6cec87c-2e19-46c9-a5b0-a5f14400eeda">2,293</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:OtherNonoperatingIncomeExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzE5LTMtMS0xLTA_c7706f28-90c0-460b-ab7d-9a5ccbf8d773">5,740</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total other income (expense)</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:NonoperatingIncomeExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzIwLTEtMS0xLTA_e612eca4-5cc6-4fff-9a21-37705f9e997f">151,000</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:NonoperatingIncomeExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzIwLTItMS0xLTA_ebc0e2f2-bb44-4a76-86ff-411fc5a59d44">152,622</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:NonoperatingIncomeExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzIwLTMtMS0xLTA_6e1c1189-1688-4ae2-90c8-5139d705997d">163,140</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Income before income taxes</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzIxLTEtMS0xLTA_df1df03b-d08f-44d2-822b-9b1df2b58f3f">258,429</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzIxLTItMS0xLTA_53f1efd1-dd22-4fdf-8272-8a701aac3dc3">275,681</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzIxLTMtMS0xLTA_8bf58796-30bc-44ba-963f-54a357bf71dd">242,902</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Income tax (expense)</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:IncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzIyLTEtMS0xLTA_52258e57-2a55-44e3-a33a-183e56f55256">7,169</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:IncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzIyLTItMS0xLTA_95a90035-8a3d-4472-9960-e52b072c6e88">32,918</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:IncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzIyLTMtMS0xLTA_c5542dd8-ca88-42e9-8ebc-f85793ed5b40">29,580</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzI1LTEtMS0xLTA_0fb42c4a-8c63-46ec-97fd-a4f5098f38f2">251,260</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzI1LTItMS0xLTA_0dddc01b-2728-449f-aaeb-1727f2773c59">242,763</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzI1LTMtMS0xLTA_0f1012f0-df61-4973-a84a-170a5aa6ff31">213,322</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income attributable to non-controlling interest</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzI2LTEtMS0xLTA_72be58c1-bd65-493b-898f-fe23d1ff4a5c">14,516</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzI2LTItMS0xLTA_0bc3fb90-cdb4-4052-b834-cb83bb42ef33">15,155</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzI2LTMtMS0xLTA_7c917eda-da17-49da-9a5e-df19556be1b3">14,012</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income available for common stock</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:NetIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzI3LTEtMS0xLTA_c0ca1991-1397-4cfa-b0f3-6e986ea070e3">236,744</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:NetIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzI3LTItMS0xLTA_2023935a-f223-40dd-8c84-5e6bb56d6353">227,608</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:NetIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzI3LTMtMS0xLTA_862b304a-28b9-420b-86d1-2fbbbc836189">199,310</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:8pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Earnings per share of common stock:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Earnings per share, Basic</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="2" name="us-gaap:EarningsPerShareBasic" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzM3LTEtMS0xLTA_e9047ac5-2f80-4fc8-85f9-96d7ac87d078">3.74</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="2" name="us-gaap:EarningsPerShareBasic" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzM3LTItMS0xLTA_9f951eea-c3f8-4413-b455-60dbccefdccf">3.65</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="2" name="us-gaap:EarningsPerShareBasic" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzM3LTMtMS0xLTA_67556b38-a362-4188-9228-d534507e10b9">3.29</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Earnings per share, Diluted</span></td><td style="background-color:#ffffff;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzQyLTEtMS0xLTA_049c5152-7ada-41d0-8549-3df31ff6c007">3.74</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzQyLTItMS0xLTA_59f0cd24-da08-4224-8ba3-414dbacf17bd">3.65</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzQyLTMtMS0xLTA_5be4882b-a9c6-45c9-b880-beadfb5e673c">3.28</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:8pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Weighted average common shares outstanding:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Basic</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzQ1LTEtMS0xLTA_8cc76bb3-242b-4a20-b9a3-08d5296fc61b">63,219</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzQ1LTItMS0xLTA_e7971a63-1ce9-4487-96a7-7664ae8b1864">62,378</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzQ1LTMtMS0xLTA_867b0d7f-2f0c-46d5-b62c-c50593c785a8">60,662</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Diluted</span></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzQ2LTEtMS0xLTA_a437d00e-2b0c-4d2b-898c-821961f434c4">63,325</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzQ2LTItMS0xLTA_05e85263-5fed-45af-af6c-39afe8be9f1e">62,439</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTEvZnJhZzpmMGZiNDhjY2IzMDE0MGI3YmVhMWU1ZGQ3ZmYwOGYyNy90YWJsZTowZDcxMjM5YTE0NWU0OGE2YjJlMjlkY2U5MjIxZjZiOC90YWJsZXJhbmdlOjBkNzEyMzlhMTQ1ZTQ4YTZiMmUyOWRjZTkyMjFmNmI4XzQ2LTMtMS0xLTA_af3bac0b-eeb7-4f95-b644-0f850502661c">60,798</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">The accompanying </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_169">Notes to Consolidated Financial Statements</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> are an integral part of these Consolidated Financial Statements.</span></div><div style="height:31.5pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">60</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_157"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">BLACK HILLS CORPORATION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:53.219%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.126%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.126%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.129%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Year ended </span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2019</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net income</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzItMS0xLTEtMA_0fb42c4a-8c63-46ec-97fd-a4f5098f38f2">251,260</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzItMi0xLTEtMA_0dddc01b-2728-449f-aaeb-1727f2773c59">242,763</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzItMy0xLTEtMA_0f1012f0-df61-4973-a84a-170a5aa6ff31">213,322</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other comprehensive income (loss), net of tax:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Benefit plan liability adjustments - net gain (loss) (net of tax of  $(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzUtMC0xLTEtMC90ZXh0cmVnaW9uOmFlOTVjZThiZWFmOTRkMzI5NDU0ZGVhOThlOWIwMzAxXzcz_e529c0d7-2042-4e79-9115-5bbba8d811ce">664</ix:nonFraction>), $<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzUtMC0xLTEtMC90ZXh0cmVnaW9uOmFlOTVjZThiZWFmOTRkMzI5NDU0ZGVhOThlOWIwMzAxXzc3_98aa0086-3619-410b-af57-e0992b16f735">191</ix:nonFraction> and $<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzUtMC0xLTEtMC90ZXh0cmVnaW9uOmFlOTVjZThiZWFmOTRkMzI5NDU0ZGVhOThlOWIwMzAxXzg0_03bc8fd9-7f63-4cc8-8b1d-0bef14218b4f">1,886</ix:nonFraction>, respectively)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzUtMS0xLTEtMA_dcb6c5b8-51ce-4add-a4ba-e1698e2d7ba8">1,959</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzUtMi0xLTEtMA_bdc706ea-a3c0-4cd4-b03c-1b3803374604">1,062</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzUtMy0xLTEtMA_62be0a8e-bc97-434a-a1f0-e3f0b9a1aab9">6,253</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Benefit plan liability adjustments - prior service costs (net of tax of $<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzYtMC0xLTEtMC90ZXh0cmVnaW9uOmQ0YmQ2MWQ0ZDI2MjQ2ZTJhNjdlOGU4NTYzNGM5MWY4Xzc2_833af40a-c803-487b-8cee-3191ff12fb13">0</ix:nonFraction>, $<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzYtMC0xLTEtMC90ZXh0cmVnaW9uOmQ0YmQ2MWQ0ZDI2MjQ2ZTJhNjdlOGU4NTYzNGM5MWY4Xzgw_a99b0ca8-7e44-4383-8dab-6b816e392a62">0</ix:nonFraction> and $<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzYtMC0xLTEtMC90ZXh0cmVnaW9uOmQ0YmQ2MWQ0ZDI2MjQ2ZTJhNjdlOGU4NTYzNGM5MWY4Xzg3_8258a10e-50b8-41eb-99f6-cfd29014e281">2</ix:nonFraction> respectively)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzYtMS0xLTEtMA_c5042d80-3f71-4a75-b2c3-34f4f4e27885">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzYtMi0xLTEtMA_429450ac-eeaa-4207-a510-7dad921d1845">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzYtMy0xLTEtMA_67df5301-7eb1-4c39-a5f8-e29498d07d28">8</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Reclassification adjustment of benefit plan liability - net loss (net of tax of $(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzctMC0xLTEtMC90ZXh0cmVnaW9uOmViNzNkZTBhMWNmMTRiMThhNTBlOGMwYjY0YmZiYzRiXzg0_b1e88476-8110-4a0c-85b8-88deaad2737c">665</ix:nonFraction>), $(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzctMC0xLTEtMC90ZXh0cmVnaW9uOmViNzNkZTBhMWNmMTRiMThhNTBlOGMwYjY0YmZiYzRiXzg4_4f351f58-8dfd-425f-bb57-822a64ab815b">958</ix:nonFraction>) and $<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzctMC0xLTEtMC90ZXh0cmVnaW9uOmViNzNkZTBhMWNmMTRiMThhNTBlOGMwYjY0YmZiYzRiXzk1_276143e6-0fdd-4396-8b90-16f291e040ff">434</ix:nonFraction>, respectively)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzctMS0xLTEtMA_009fe809-a9f3-44eb-bd60-a00f780fc810">1,726</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzctMi0xLTEtMA_3a5983a7-6a5e-4def-acad-7ae91b4eb2ec">1,429</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzctMy0xLTEtMA_6c9c5815-d2b8-444f-9108-d00a1c1bd013">1,179</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Reclassification adjustment of benefit plan liability -  prior service cost (net of tax of $<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzgtMC0xLTEtMC90ZXh0cmVnaW9uOjMzMjI5NDI1MDA2YjQzZDA4NTQ1YTM4YTRkMTZjMjBlXzk1_55463c47-cee7-4e29-999e-2f0ca51ae481">27</ix:nonFraction>, $<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzgtMC0xLTEtMC90ZXh0cmVnaW9uOjMzMjI5NDI1MDA2YjQzZDA4NTQ1YTM4YTRkMTZjMjBlXzk5_242adef8-f5dd-4d11-be6f-d50eb94cfad0">23</ix:nonFraction> and $<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzgtMC0xLTEtMC90ZXh0cmVnaW9uOjMzMjI5NDI1MDA2YjQzZDA4NTQ1YTM4YTRkMTZjMjBlXzEwNg_e7996f83-3f9f-4530-a5ec-4223f0efa8de">19</ix:nonFraction>, respectively)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzgtMS0xLTEtMA_f06f6dba-d7f7-4247-ad33-0c05a52fe33b">71</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzgtMi0xLTEtMA_2f3c2c2e-b2f8-431b-acd8-c3fdbe2d0b44">80</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzgtMy0xLTEtMA_e11dfc10-38b3-48d9-86ab-5411cbe0d234">58</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivative instruments designated as cash flow hedges:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Reclassification of net realized (gains) losses on settled/amortized interest rate swaps (net of tax of $(<ix:nonFraction unitRef="usd" contextRef="icb3224172fd449e0a5fd3648f207c489_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzEwLTAtMS0xLTAvdGV4dHJlZ2lvbjo4ZTMzZjQwMjg0YTY0NWQxODE2YjlhNDM1ZWZlZTcwYl8xMDg_edf05746-7e31-453c-b886-5fc8a3c41984">677</ix:nonFraction>), $(<ix:nonFraction unitRef="usd" contextRef="ic6d42c307573402598c8a7f56e994dd9_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzEwLTAtMS0xLTAvdGV4dHJlZ2lvbjo4ZTMzZjQwMjg0YTY0NWQxODE2YjlhNDM1ZWZlZTcwYl8xMTI_afa67c7e-23cd-48a2-bf81-0d351dca3f62">287</ix:nonFraction>) and $(<ix:nonFraction unitRef="usd" contextRef="i6c0bc15723244493a0ef4425df0578c7_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzEwLTAtMS0xLTAvdGV4dHJlZ2lvbjo4ZTMzZjQwMjg0YTY0NWQxODE2YjlhNDM1ZWZlZTcwYl8xMTk_5e18f665-6b21-411b-97e4-46a27eb607f9">666</ix:nonFraction>), respectively)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="icb3224172fd449e0a5fd3648f207c489_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzEwLTEtMS0xLTA_73dadcd8-14cf-40b2-961e-9c9f4b0195f2">2,174</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic6d42c307573402598c8a7f56e994dd9_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzEwLTItMS0xLTA_40faff58-c6e7-403e-b573-3655f12dc04a">2,564</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6c0bc15723244493a0ef4425df0578c7_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzEwLTMtMS0xLTA_206fca60-f978-4f57-a569-5bffbcdd7c24">2,185</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net unrealized gains (losses) on commodity derivatives (net of tax of $(<ix:nonFraction unitRef="usd" contextRef="if49b48fbc1e147f3a872065339f01393_D20210101-20211231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAdjustmentsTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzExLTAtMS0xLTAvdGV4dHJlZ2lvbjozMDgwMzExNTZmMTA0Nzg5ODg3MTIyMjRjYWZlOTNjNl83NA_abfb4a90-57c9-4e9a-a735-adc9b06d2984">980</ix:nonFraction>), $<ix:nonFraction unitRef="usd" contextRef="i6ed6224162c74405899fa290db5a23b2_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAdjustmentsTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzExLTAtMS0xLTAvdGV4dHJlZ2lvbjozMDgwMzExNTZmMTA0Nzg5ODg3MTIyMjRjYWZlOTNjNl83OA_0eba80df-080e-4314-9958-e891b7ccadc6">14</ix:nonFraction> and $<ix:nonFraction unitRef="usd" contextRef="i56af4c9831c0495da290018b749bb3b3_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAdjustmentsTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzExLTAtMS0xLTAvdGV4dHJlZ2lvbjozMDgwMzExNTZmMTA0Nzg5ODg3MTIyMjRjYWZlOTNjNl84NQ_c5b56a5a-977e-4695-9b3c-6e89b4606a9c">126</ix:nonFraction>, respectively)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if49b48fbc1e147f3a872065339f01393_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzExLTEtMS0xLTA_0007b60e-7785-4141-a281-02978ebfedb9">3,023</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6ed6224162c74405899fa290db5a23b2_D20200101-20201231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzExLTItMS0xLTA_55827dfa-dc5b-443a-ab22-01cae9f08523">47</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i56af4c9831c0495da290018b749bb3b3_D20190101-20191231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzExLTMtMS0xLTA_26026928-0ddd-4028-b28c-09cdb24ae874">422</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Reclassification of net realized (gains) losses on settled commodity derivatives (net of tax of $<ix:nonFraction unitRef="usd" contextRef="if49b48fbc1e147f3a872065339f01393_D20210101-20211231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzEyLTAtMS0xLTAvdGV4dHJlZ2lvbjpiMTBiMTc3OGNjNWE0NjdmYThhYjNjZWVlMTJiZGU4MF8xMDA_31c26093-22f1-40fa-9f6c-54555738abee">502</ix:nonFraction>, $(<ix:nonFraction unitRef="usd" contextRef="i6ed6224162c74405899fa290db5a23b2_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzEyLTAtMS0xLTAvdGV4dHJlZ2lvbjpiMTBiMTc3OGNjNWE0NjdmYThhYjNjZWVlMTJiZGU4MF8xMDQ_fa61fbec-d3f3-490a-8d77-e6436c7c887d">96</ix:nonFraction>) and $<ix:nonFraction unitRef="usd" contextRef="i56af4c9831c0495da290018b749bb3b3_D20190101-20191231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzEyLTAtMS0xLTAvdGV4dHJlZ2lvbjpiMTBiMTc3OGNjNWE0NjdmYThhYjNjZWVlMTJiZGU4MF8xMTE_b356ca4c-04c0-4d16-91ac-f8b6713eac02">55</ix:nonFraction>, respectively)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="if49b48fbc1e147f3a872065339f01393_D20210101-20211231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzEyLTEtMS0xLTA_321c8050-58c9-4f24-9880-8b0e8ae3dcd1">1,549</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6ed6224162c74405899fa290db5a23b2_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzEyLTItMS0xLTA_b2d5870b-983c-4779-b37b-a0665d23a24e">505</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i56af4c9831c0495da290018b749bb3b3_D20190101-20191231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzEyLTMtMS0xLTA_31f7919e-c48f-43f6-b4d7-33f59676a6ea">362</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other comprehensive income (loss), net of tax</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzEzLTEtMS0xLTA_3629ff78-dc5b-418d-8fb1-ae7a8aaeedda">7,262</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzEzLTItMS0xLTA_07dc2a8a-646e-4920-aa2c-54d892418908">3,309</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzEzLTMtMS0xLTA_6e9f21c2-5158-4f02-8d4d-452d4ea24a72">3,739</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzE1LTEtMS0xLTA_2c47d515-03ea-401a-a957-fae4801af175">258,522</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzE1LTItMS0xLTA_5988ef76-f61f-4bb1-901a-8c2840a32954">246,072</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzE1LTMtMS0xLTA_2e35672b-7338-4ca6-ad53-aa76a7468b31">209,583</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less: comprehensive income attributable to non-controlling interest</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzE2LTEtMS0xLTA_72be58c1-bd65-493b-898f-fe23d1ff4a5c">14,516</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzE2LTItMS0xLTA_0bc3fb90-cdb4-4052-b834-cb83bb42ef33">15,155</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzE2LTMtMS0xLTA_7c917eda-da17-49da-9a5e-df19556be1b3">14,012</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Comprehensive income available for common stock</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:ComprehensiveIncomeNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzE3LTEtMS0xLTA_937b2f33-aae5-40cc-9efb-7ed9ee4b7866">244,006</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:ComprehensiveIncomeNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzE3LTItMS0xLTA_a3d101fd-e5f6-40b9-a134-2e92cdae54f4">230,917</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:ComprehensiveIncomeNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNTcvZnJhZzpiYmZkMDgzZGFhN2M0Y2Y4YWI2MTU1ZThjMWQyZDdhYi90YWJsZTo1NzNjOWIzOTY0NGI0Y2ZlODJjMDMxMGI4OGIzZjZiOS90YWJsZXJhbmdlOjU3M2M5YjM5NjQ0YjRjZmU4MmMwMzEwYjg4YjNmNmI5XzE3LTMtMS0xLTA_78c45e84-ce8f-4a46-b3dd-347ef3eed88b">195,571</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_208">Note 11</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> for additional disclosures related to Comprehensive Income.</span></div><div><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">The accompanying </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_169">Notes to Consolidated Financial Statements</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> are an integral part of these Consolidated Financial Statements.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">61</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_160"></div><hr style="page-break-after:always"/><div style="min-height:36pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">BLACK HILLS CORPORATION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">CONSOLIDATED BALANCE SHEETS</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:65.762%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.468%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.470%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">ASSETS</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current assets:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cash and cash equivalents</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzUtMS0xLTEtMA_b1ad7e3c-ff58-4056-a5cb-6d60096573d3">8,921</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzUtMi0xLTEtMA_6f7bf564-3e0e-4f93-8c8e-798631a42c57">6,356</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Restricted cash and equivalents</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:RestrictedCashAndInvestmentsCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzYtMS0xLTEtMA_dbc728f8-aa52-4b97-ba71-30dad50028bf">4,889</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:RestrictedCashAndInvestmentsCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzYtMi0xLTEtMA_b0a68c5a-a902-4182-88df-677667a62e7b">4,383</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accounts receivable, net</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:AccountsReceivableNetCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzctMS0xLTEtMA_48f91563-18d1-4bce-8003-2ca2d22247a3">321,652</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:AccountsReceivableNetCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzctMi0xLTEtMA_974d7a24-4ea8-4e15-85c5-50fcb066ecbf">265,961</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Materials, supplies and fuel</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:InventoryNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzgtMS0xLTEtMA_bb90c379-0906-439d-89f8-85830d3b4317">150,979</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:InventoryNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzgtMi0xLTEtMA_8102c35c-75e8-41ff-8958-24ee5f261503">117,400</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivative assets, current</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:DerivativeAssetsCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzktMS0xLTEtMA_e142014f-2356-4ac6-87b2-fdb3ac7c12d7">4,373</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:DerivativeAssetsCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzktMi0xLTEtMA_c4f2a5ca-e1f1-44bb-a84a-77ac356ec0d1">1,848</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income tax receivable, net</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:IncomeTaxesReceivable" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzEwLTEtMS0xLTA_afb70db4-cae4-4af8-bbe2-2f505e1ac591">18,017</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:IncomeTaxesReceivable" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzEwLTItMS0xLTA_67a45a13-c30e-4668-805e-c31b4a79e250">19,446</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory assets, current</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:RegulatoryAssetsCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzEyLTEtMS0xLTA_4caa33bd-1160-4574-b786-15f9b9bff3b8">270,290</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:RegulatoryAssetsCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzEyLTItMS0xLTA_9c984783-0e7b-46d0-be3e-dbe544fea979">51,676</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other current assets</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:OtherAssetsCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzEzLTEtMS0xLTA_cff36ced-899e-47e4-9da0-df5958513c09">29,012</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:OtherAssetsCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzEzLTItMS0xLTA_2133834a-51f3-41a2-bb81-f351d3f675e3">26,221</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total current assets</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:AssetsCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzE0LTEtMS0xLTA_79d35137-117b-489d-9b0e-bab5bd1080f4">808,133</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:AssetsCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzE0LTItMS0xLTA_e36f7a79-30f7-4fee-822d-0ff9ed866ee8">493,291</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, plant and equipment</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGross" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzE4LTEtMS0xLTA_f6e05208-5dc1-4267-aa40-1b40690610e0">7,856,573</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGross" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzE4LTItMS0xLTA_5abb7eb8-9375-4e68-9e8d-f58febf81a4c">7,305,530</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less accumulated depreciation and depletion</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzE5LTEtMS0xLTA_8470e7ff-66a5-4e9b-ba2c-9723c42da324">1,407,397</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzE5LTItMS0xLTA_3f01b07a-ad5c-4e34-b8ed-469aa3ad8a12">1,285,816</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total property, plant and equipment, net</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzIwLTEtMS0xLTA_de1d33c3-13fd-4794-baeb-16c6156b4ede">6,449,176</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzIwLTItMS0xLTA_3b749d5c-022e-4985-8421-85c41175a5b1">6,019,714</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other assets:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Goodwill</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:Goodwill" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzIzLTEtMS0xLTA_eaa57ebc-f83f-4f2d-8c9f-33c5efb9ec04">1,299,454</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:Goodwill" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzIzLTItMS0xLTA_4e4409f7-1b89-4719-b7e2-dcea7de815a7">1,299,454</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Intangible 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1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:IntangibleAssetsNetExcludingGoodwill" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzI0LTItMS0xLTA_d3ca62d7-2870-4d90-8682-d68d54b88247">11,944</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory assets, non-current</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:RegulatoryAssetsNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzI2LTEtMS0xLTA_ce7e6711-b104-4dfe-b993-786c1e86faca">526,309</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:RegulatoryAssetsNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzI2LTItMS0xLTA_07e4b4fe-936c-4986-9a1b-d6f1cbcff425">226,582</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other assets, non-current</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:OtherAssetsNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzI3LTEtMS0xLTA_5da1090c-23ea-44c0-a47e-2d2d092487f2">38,054</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:OtherAssetsNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzI3LTItMS0xLTA_6b0623f0-405b-4995-a30f-b179b45849e8">37,801</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total other assets, non-current</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzI4LTEtMS0xLTA_4aaaebd5-b611-48bb-813c-08decdac18c8">1,874,587</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzI4LTItMS0xLTA_5e417d71-d0e6-41f8-b4cf-ab706ed3bbd0">1,575,781</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">TOTAL ASSETS</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:Assets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzI5LTEtMS0xLTA_f6a6cbfa-ef77-40cc-bd9f-2358f6bcf050">9,131,896</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:Assets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTo1MjE4NTRiOTRlNGM0MmFmYTllMzRlNWQwYjQzN2U4Yy90YWJsZXJhbmdlOjUyMTg1NGI5NGU0YzQyYWZhOWUzNGU1ZDBiNDM3ZThjXzI5LTItMS0xLTA_1e761de8-d695-49d6-91d7-34f6d48dc1ae">8,088,786</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">The accompanying </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_169">Notes to Consolidated Financial Statements</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> are an integral part of these Consolidated Financial Statements.</span></div><div style="text-align:center"><span><br/></span></div><div style="height:31.5pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">62</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:36pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">BLACK HILLS CORPORATION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">CONSOLIDATED BALANCE SHEETS</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(Continued)</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:65.859%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.420%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.421%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands, except share amounts)</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">LIABILITIES AND EQUITY</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current liabilities:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accounts payable</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:AccountsPayableCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzUtMS0xLTEtMA_75fe18a6-fab3-4042-a307-e6514261c8eb">217,761</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:AccountsPayableCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzUtMi0xLTEtMA_5623dce5-e10b-484e-8037-bb2c9ac22f8b">183,340</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accrued liabilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:AccruedLiabilitiesCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzYtMS0xLTEtMA_3377f62d-acf1-42b6-a51d-bd9cb3c3d319">244,759</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:AccruedLiabilitiesCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzYtMi0xLTEtMA_2061aced-0aff-4347-92c1-9ba98c6059f8">243,612</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivative liabilities, current</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:DerivativeLiabilitiesCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzctMS0xLTEtMA_77808755-4b4c-41c2-92dc-bd2544df70b4">1,439</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:DerivativeLiabilitiesCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzctMi0xLTEtMA_280eac1e-6ddb-4265-9d77-422d3cdd7f15">2,044</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory liabilities, current</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:RegulatoryLiabilityCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzktMS0xLTEtMA_36668ace-3266-452f-a797-63d4af5c7aea">17,574</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:RegulatoryLiabilityCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzktMi0xLTEtMA_d73865df-eaf6-4dd9-bfe8-920b5fc16a44">25,061</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Notes payable</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:ShortTermBorrowings" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzEwLTEtMS0xLTA_aad41c40-735a-46cb-ae74-0a2d6880bdf4">420,180</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:ShortTermBorrowings" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzEwLTItMS0xLTA_6c73f0c2-72b4-40a5-8d7c-336af00db16f">234,040</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current maturities of long-term debt</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LongTermDebtCurrent" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzExLTEtMS0xLTA_d540ba76-ffa0-4f62-8a79-26f021f447ab">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:LongTermDebtCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzExLTItMS0xLTA_94195ffa-257f-4684-8a17-06c0ab352865">8,436</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total current liabilities</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LiabilitiesCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzEyLTEtMS0xLTA_21082659-99b6-41ec-bc97-e68566484cfd">901,713</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:LiabilitiesCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzEyLTItMS0xLTA_21a96002-7cfa-4e5b-b59c-aee498c3c35f">696,533</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Long-term debt, net of current maturities</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LongTermDebtNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzE0LTEtMS0xLTA_02eac0f0-0eb5-4519-a1c9-6565357fd292">4,126,923</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:LongTermDebtNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzE0LTItMS0xLTA_c10b51d3-dd74-43a7-bdc4-fccae6eb121a">3,528,100</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred credits and other liabilities:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred income tax liabilities, net</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:DeferredIncomeTaxLiabilitiesNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzE3LTEtMS0xLTA_1a7cce3a-2e1f-4c02-a98a-e4e3492db62c">465,388</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:DeferredIncomeTaxLiabilitiesNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzE3LTItMS0xLTA_2fb0f978-e942-4b82-b2a3-8d6cec2260cb">408,624</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory liabilities, non-current</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:RegulatoryLiabilityNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzE5LTEtMS0xLTA_41b17937-df0b-41a8-81b1-1a61f8125efd">485,377</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:RegulatoryLiabilityNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzE5LTItMS0xLTA_06385f82-89d6-49b1-a1e7-bd83798efb1b">507,659</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Benefit plan liabilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzIwLTEtMS0xLTA_6019d211-c1d4-4e00-ba06-ea0b49398f01">123,925</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzIwLTItMS0xLTA_d8881c13-2c28-4a84-abb7-d2293a8d8f64">150,556</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other deferred credits and other liabilities</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:OtherLiabilitiesNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzIxLTEtMS0xLTA_1009cd98-3117-4b3d-8971-2591bb1aebd8">141,447</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:OtherLiabilitiesNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzIxLTItMS0xLTA_494249ce-52c1-4e22-b13b-e8a0949b1fff">134,667</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total deferred credits and other liabilities</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LiabilitiesOtherThanLongtermDebtNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzIzLTEtMS0xLTA_acd6c441-74f4-4848-92c2-f7c5afd15d2d">1,216,137</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:LiabilitiesOtherThanLongtermDebtNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzIzLTItMS0xLTA_7ac93652-7070-43f6-ab72-5316a6944b49">1,201,506</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commitments, contingencies and guarantees (</span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_178">Note 3</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" xsi:nil="true" name="us-gaap:CommitmentsAndContingencies" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzI1LTEtMS0xLTA_e4b330ae-4122-4405-883d-35e2363be905"></ix:nonFraction></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" xsi:nil="true" name="us-gaap:CommitmentsAndContingencies" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzI1LTItMS0xLTA_32680d21-3e58-4e55-8866-079a6bb5f8dd"></ix:nonFraction></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Equity:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Stockholders&#8217; equity -</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Common stock $<ix:nonFraction unitRef="usdPerShare" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="2" name="us-gaap:CommonStockParOrStatedValuePerShare" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzI5LTAtMS0xLTAvdGV4dHJlZ2lvbjpkZGNlNTEyYzI2MjQ0ZDM0ODUyOGIyMGFlZjA0OWZjOF8xNw_dce89085-fe30-4a69-bf5c-3eff6ff346ee"><ix:nonFraction unitRef="usdPerShare" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="2" name="us-gaap:CommonStockParOrStatedValuePerShare" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzI5LTAtMS0xLTAvdGV4dHJlZ2lvbjpkZGNlNTEyYzI2MjQ0ZDM0ODUyOGIyMGFlZjA0OWZjOF8xNw_dd8e6f9b-8f80-45fe-8c85-84092d132ab6">1.00</ix:nonFraction></ix:nonFraction> par value; <ix:nonFraction unitRef="shares" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:CommonStockSharesAuthorized" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzI5LTAtMS0xLTAvdGV4dHJlZ2lvbjpkZGNlNTEyYzI2MjQ0ZDM0ODUyOGIyMGFlZjA0OWZjOF8zMQ_5ce134e6-41f6-4b38-a0fd-3b21e00de5f9"><ix:nonFraction unitRef="shares" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:CommonStockSharesAuthorized" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzI5LTAtMS0xLTAvdGV4dHJlZ2lvbjpkZGNlNTEyYzI2MjQ0ZDM0ODUyOGIyMGFlZjA0OWZjOF8zMQ_90c90461-90a4-4a83-ab76-a7477fe4a045">100,000,000</ix:nonFraction></ix:nonFraction> shares authorized; issued: <ix:nonFraction unitRef="shares" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="INF" name="us-gaap:CommonStockSharesIssued" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzI5LTAtMS0xLTAvdGV4dHJlZ2lvbjpkZGNlNTEyYzI2MjQ0ZDM0ODUyOGIyMGFlZjA0OWZjOF82MQ_fe0890d2-b4c2-4aaf-8943-076e62d419ec">64,793,095</ix:nonFraction> and <ix:nonFraction unitRef="shares" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="INF" name="us-gaap:CommonStockSharesIssued" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzI5LTAtMS0xLTAvdGV4dHJlZ2lvbjpkZGNlNTEyYzI2MjQ0ZDM0ODUyOGIyMGFlZjA0OWZjOF82OA_c200c7fc-a7c1-4906-b8c2-0231414ceb66">62,827,179</ix:nonFraction>, respectively</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:CommonStockValue" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzI5LTEtMS0xLTA_19d81707-7dce-4f64-a9c0-5cec2588bc0b">64,793</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:CommonStockValue" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzI5LTItMS0xLTA_7ec032fc-44e0-413b-b959-7a087ae33a77">62,827</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Additional paid-in capital</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:AdditionalPaidInCapital" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzMwLTEtMS0xLTA_ee1c60ea-7962-41d4-b52d-7357361a951c">1,783,436</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:AdditionalPaidInCapital" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzMwLTItMS0xLTA_e787de37-f4ca-4a2d-b014-a010b9fac8e7">1,657,285</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Retained earnings</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:RetainedEarningsAccumulatedDeficit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzMxLTEtMS0xLTA_323650f1-ebbe-4d3c-a06e-22e0dc99a4eb">962,458</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:RetainedEarningsAccumulatedDeficit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzMxLTItMS0xLTA_9d6710b0-93d7-4c25-8f33-f304c518efb7">870,738</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Treasury stock at cost - <ix:nonFraction unitRef="shares" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="INF" name="us-gaap:TreasuryStockShares" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzMyLTAtMS0xLTAvdGV4dHJlZ2lvbjplMjFjZjQyNTM1YjM0NjBiOGUyMzcwMTFlOWZhNWMwMl8yOQ_600f129e-27a0-44c6-a6f4-baf8ace9e9ab">54,078</ix:nonFraction> and <ix:nonFraction unitRef="shares" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="INF" name="us-gaap:TreasuryStockShares" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzMyLTAtMS0xLTAvdGV4dHJlZ2lvbjplMjFjZjQyNTM1YjM0NjBiOGUyMzcwMTFlOWZhNWMwMl8zNg_a1d83f23-7f1c-44cc-9692-f39de5874bb7">32,492</ix:nonFraction>, respectively</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:TreasuryStockValue" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzMyLTEtMS0xLTA_fb2aded0-7012-4abf-bb82-afd5afe39ceb">3,509</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:TreasuryStockValue" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzMyLTItMS0xLTA_31dceccc-4e24-4a8b-8f24-5c59666086f7">2,119</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accumulated other comprehensive income (loss)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" sign="-" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzMzLTEtMS0xLTA_ee52f722-a8d5-4008-9fc3-f6d2d94f9c62">20,084</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" sign="-" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzMzLTItMS0xLTA_2c33e6f1-7b5c-4661-849d-5672dc46dc97">27,346</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total stockholders&#8217; equity</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:StockholdersEquity" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzM0LTEtMS0xLTA_3bbb4003-e40d-4fed-a074-25ab8adeb7d2">2,787,094</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:StockholdersEquity" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzM0LTItMS0xLTA_16ed011a-401b-4e68-a479-7e136e9b7b06">2,561,385</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-controlling interest</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:NoncontrollingInterestInVariableInterestEntity" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzM1LTEtMS0xLTA_e38d2f7a-a1a4-4480-a284-92a16ac17e59">100,029</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:NoncontrollingInterestInVariableInterestEntity" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzM1LTItMS0xLTA_0b4e0aae-14a0-4683-a3e3-5439f130d6e4">101,262</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total equity</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzM2LTEtMS0xLTA_7980f2a1-39cc-41a0-bbb3-6d642172bae0">2,887,123</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzM2LTItMS0xLTA_10f8d63c-7093-44ab-8507-f1d557c1f06d">2,662,647</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">TOTAL LIABILITIES AND TOTAL EQUITY</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LiabilitiesAndStockholdersEquity" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzM4LTEtMS0xLTA_ce3bd760-2bcd-4cab-834a-072957098ab1">9,131,896</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:LiabilitiesAndStockholdersEquity" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjAvZnJhZzpjNjg0MGNhOTMwOGQ0ZjJjYTAyZTdiZjRlODZjMDEwMC90YWJsZTpiNDRhMmFlNzAzNzQ0NzRhOGJjMjgzNjlmYzQ2ZTIwZC90YWJsZXJhbmdlOmI0NGEyYWU3MDM3NDQ3NGE4YmMyODM2OWZjNDZlMjBkXzM4LTItMS0xLTA_43c633d2-7474-4336-a1d7-03c9c0fe8242">8,088,786</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span><br/></span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">The accompanying </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_169">Notes to Consolidated Financial Statements</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> are an integral part of these Consolidated Financial Statements.</span></div><div style="height:31.5pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">63</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_163"></div><hr style="page-break-after:always"/><div style="min-height:36pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">BLACK HILLS CORPORATION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">CONSOLIDATED STATEMENTS OF CASH FLOWS</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:57.990%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.536%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.536%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.538%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Year ended</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2020</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2019</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operating activities:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzctMy0xLTEtMA_961b2fa3-45aa-438b-8854-1612268ccff2">209,120</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Deferred financing cost amortization</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction 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name="us-gaap:OtherAssetImpairmentCharges" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzktMi0xLTEtMA_ccd3ed87-8e0b-4e28-a00f-a6b7a0cd62f9">6,859</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:OtherAssetImpairmentCharges" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzktMy0xLTEtMA_5fd1bb93-b2c2-4925-85cb-9afecfadf803">19,741</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Stock compensation</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" 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name="us-gaap:ShareBasedCompensation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzEwLTItMS0xLTA_26ecffce-9284-47de-9ebc-8f6032422a8f">5,373</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:ShareBasedCompensation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzEwLTMtMS0xLTA_2603cc2b-07bc-4aa9-9bee-760fc8f250e1">12,095</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Deferred income taxes</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" 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name="us-gaap:DeferredIncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzExLTItMS0xLTA_461ebf37-4e63-4d5a-989c-02617f7c7deb">38,091</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:DeferredIncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" 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unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:OtherNoncashIncomeExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzEzLTEtMS0xLTA_a530dbc7-f470-48d9-966a-df5b9f06dcaf">7,018</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:OtherNoncashIncomeExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzEzLTItMS0xLTA_305f1eae-77b1-4bfb-9f00-a8d0ebabcb24">11,669</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:OtherNoncashIncomeExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzEzLTMtMS0xLTA_75c7f7ea-749b-4d05-a063-bd062203649a">16,485</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Change in certain operating assets and liabilities:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Materials, supplies and fuel</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:IncreaseDecreaseInInventories" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzE1LTEtMS0xLTA_9d54c072-031e-41c9-881e-53428d1e50e1">35,707</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:IncreaseDecreaseInInventories" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzE1LTItMS0xLTA_8e340d0f-4eea-458b-9957-e73576320bc6">2,755</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:IncreaseDecreaseInInventories" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzE1LTMtMS0xLTA_b25acb2d-ae2d-431e-acdd-b18da8366537">2,052</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Accounts receivable and other current assets</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzE2LTEtMS0xLTA_4be74a12-74c3-4c88-85fc-40871a0d4d73">43,170</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzE2LTItMS0xLTA_f1f8e172-887c-4f73-b4a3-775655de5373">10,843</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzE2LTMtMS0xLTA_79f2b17c-db3a-4735-bdd3-3db50bd3b6cb">7,578</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Accounts payable and other current liabilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzE3LTEtMS0xLTA_1b331731-06ea-419b-80cb-b3f461266433">10,660</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzE3LTItMS0xLTA_3d5857b7-f025-4f54-8c6e-3c13ae411cdb">24,659</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzE3LTMtMS0xLTA_66d61821-c619-419f-8036-6407cabe14cf">34,906</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Regulatory assets</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:IncreaseDecreaseInOtherRegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzE4LTEtMS0xLTA_b0c2beee-6f46-4c6e-8cf3-6bee923bca8d">514,687</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:IncreaseDecreaseInOtherRegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzE4LTItMS0xLTA_a5868d14-89c1-4101-80b3-bdcfeccbbed8">5,047</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:IncreaseDecreaseInOtherRegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzE4LTMtMS0xLTA_9bc3c53b-c8f3-4776-8b40-7380207d928f">23,619</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Regulatory liabilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:IncreaseDecreaseInRegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzE5LTEtMS0xLTA_b51235e8-6114-4684-98c4-12b2312ff98d">9,533</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:IncreaseDecreaseInRegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzE5LTItMS0xLTA_0e50f13f-8a5f-4498-b10a-ec4c073faea6">10,706</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:IncreaseDecreaseInRegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzE5LTMtMS0xLTA_d6deea4e-568c-4d78-8ff0-db78714e4fa9">15,158</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Contributions to defined benefit pension plans</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:PensionContributions" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzIwLTEtMS0xLTA_1b54f0fb-561f-45e8-96c5-b8a72df613e3">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:PensionContributions" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzIwLTItMS0xLTA_e7ae2e63-51bc-4042-ae73-420af2bd6196">12,700</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:PensionContributions" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzIwLTMtMS0xLTA_bbcc3bca-47af-49d6-89df-a01907a05fe3">12,700</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other operating activities, net</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzIxLTEtMS0xLTA_777c5ed4-24e8-45ad-9041-e217044ef5a1">167</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzIxLTItMS0xLTA_a5e60ec6-6eed-49ab-8983-decd4cb2744d">4,653</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzIxLTMtMS0xLTA_b38ce385-fd28-45ce-a5d3-d231c69e5460">6,001</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net cash provided by (used in) operating activities</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:NetCashProvidedByUsedInOperatingActivities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzI0LTEtMS0xLTA_c1879a07-8ebf-4fd4-9f38-97bd1144fa32">64,565</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:NetCashProvidedByUsedInOperatingActivities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzI0LTItMS0xLTA_a9f72198-9754-4c2b-b250-3429ee0c1d1d">541,863</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:NetCashProvidedByUsedInOperatingActivities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzI0LTMtMS0xLTA_d9e341d4-2e13-4f31-a60a-ed4e7eea957b">505,513</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Investing activities:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Property, plant and equipment additions</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:PaymentsToAcquirePropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzI3LTEtMS0xLTA_db4c6735-938e-4de3-9dd6-e4393ed8a0b0">677,492</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:PaymentsToAcquirePropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzI3LTItMS0xLTA_52e2e962-bf26-4935-94b6-b78e01b96b07">767,404</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:PaymentsToAcquirePropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzI3LTMtMS0xLTA_19b01414-80ce-4e15-a74c-7df06456d35f">818,376</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other investing activities</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:PaymentsForProceedsFromOtherInvestingActivities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzI5LTEtMS0xLTA_ee18ce24-1285-42d8-97d1-b62f380f2999">13,262</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:PaymentsForProceedsFromOtherInvestingActivities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzI5LTItMS0xLTA_b0aa6dc5-ffd8-4eb2-8ed7-830492ae1009">5,740</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:PaymentsForProceedsFromOtherInvestingActivities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzI5LTMtMS0xLTA_7684607b-0ce3-4a84-b9bb-4e379acefa02">2,166</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net cash (used in) investing activities</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:NetCashProvidedByUsedInInvestingActivities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzMyLTEtMS0xLTA_2c977374-9f68-4ab8-bd87-c68aaa1e75d5">664,230</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:NetCashProvidedByUsedInInvestingActivities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzMyLTItMS0xLTA_0a595bf2-540b-4c61-b6de-c709df46b22d">761,664</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:NetCashProvidedByUsedInInvestingActivities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzMyLTMtMS0xLTA_152d341b-aafa-445d-ad14-d3b4abb5a144">816,210</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Financing activities:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Dividends paid on common stock</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:PaymentsOfDividends" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzM1LTEtMS0xLTA_83fa3495-98b0-4dd0-b531-ae0ef3c65d52">145,023</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:PaymentsOfDividends" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzM1LTItMS0xLTA_3b067650-0a84-4fb1-9b6c-d5873d3f7d49">135,439</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:PaymentsOfDividends" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzM1LTMtMS0xLTA_51d450af-c003-498c-9620-82a95df2505d">124,647</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common stock issued</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:ProceedsFromIssuanceOfCommonStock" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzM2LTEtMS0xLTA_dc31dd4a-7464-44d1-8f3d-434f5413f84c">118,979</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:ProceedsFromIssuanceOfCommonStock" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzM2LTItMS0xLTA_ca368267-1831-4cc3-9ac9-35c573061b6d">99,278</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:ProceedsFromIssuanceOfCommonStock" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzM2LTMtMS0xLTA_948cbc4a-7783-47fe-9fe5-8d01771654bc">101,358</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span 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style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:ProceedsFromOtherShortTermDebt" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzMwLTMtMS0xLTM0Mzc2_99b0a59b-802c-4f8f-8447-5aeba236479f">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 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style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:RepaymentsOfOtherShortTermDebt" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzMxLTItMS0xLTM0Mzc0_2a1fc558-67e0-41f7-9122-cd06a66864d2">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:RepaymentsOfOtherShortTermDebt" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzMxLTMtMS0xLTM0Mzc2_ececa39d-3230-440d-9257-d607f5c4aa6a">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net borrowings (payments) of Revolving Credit Facility and CP Program</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="bkh:NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzM3LTEtMS0xLTA_a4d64999-ca9e-4f10-a0f2-31996f4a099d">186,140</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" sign="-" name="bkh:NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzM3LTItMS0xLTA_f0eb6c7c-b0ae-4d5b-be9a-f81b7460fc5e">115,460</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="bkh:NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzM3LTMtMS0xLTA_f4e407df-2228-44d3-8188-07cb2211ff24">163,880</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Long-term debt - issuance</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:ProceedsFromIssuanceOfLongTermDebt" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzM4LTEtMS0xLTA_229bc1b7-6512-4736-886e-3dba0451f9ec">600,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:ProceedsFromIssuanceOfLongTermDebt" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzM4LTItMS0xLTA_dbc1a86a-192f-46fa-a1e4-6b00db83731b">400,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:ProceedsFromIssuanceOfLongTermDebt" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzM4LTMtMS0xLTA_6af0fb41-7fc2-4ff0-bbbd-24847c11edd0">1,100,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Long-term debt - repayments</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:RepaymentsOfLongTermDebt" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzM5LTEtMS0xLTA_f2bc8c70-9330-44c5-9b04-4f0e4fa05d42">8,436</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:RepaymentsOfLongTermDebt" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzM5LTItMS0xLTA_71206eaa-9c37-40dc-839b-87917b5ba21c">8,597</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:RepaymentsOfLongTermDebt" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzM5LTMtMS0xLTA_d2848663-23a1-4d68-bf6e-f4bb936eb02c">905,743</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Distributions to non-controlling interests</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:PaymentsToMinorityShareholders" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzQwLTEtMS0xLTA_b5178175-9c27-4820-8b66-80bb7c515292">15,749</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:PaymentsToMinorityShareholders" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzQwLTItMS0xLTA_ad7d23f5-1c11-4487-81c8-44905b132b5b">15,839</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:PaymentsToMinorityShareholders" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzQwLTMtMS0xLTA_fab0b40c-2d69-422a-a482-878a44de2f7a">17,901</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other financing activities</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:ProceedsFromPaymentsForOtherFinancingActivities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzQxLTEtMS0xLTA_e03c2457-179e-46c3-8e28-65f5b57140c9">4,045</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:ProceedsFromPaymentsForOtherFinancingActivities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzQxLTItMS0xLTA_96e3428c-b034-427e-8773-8f3d728b4ae3">7,061</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:ProceedsFromPaymentsForOtherFinancingActivities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzQxLTMtMS0xLTA_6759dd47-e59d-4fd7-85f4-0cd98b28c64e">16,737</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net cash provided by financing activities</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:NetCashProvidedByUsedInFinancingActivities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzQyLTEtMS0xLTA_42cd7b57-b19a-45b9-b72d-b6390bed93d2">731,866</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:NetCashProvidedByUsedInFinancingActivities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzQyLTItMS0xLTA_d524fbaf-32cd-4f4d-af04-38925751ed5a">216,882</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:NetCashProvidedByUsedInFinancingActivities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzQyLTMtMS0xLTA_e990fee1-aba1-40a2-9a83-7d44bafb82bb">300,210</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net change in cash, restricted cash and cash equivalents</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzQ0LTEtMS0xLTA_cac00aae-9d52-4722-b553-cefaef00a53d">3,071</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzQ0LTItMS0xLTA_bb6eab66-dffb-498f-a2a7-85c369ceb204">2,919</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzQ0LTMtMS0xLTA_1090b9be-88d0-4a5a-8301-688cf0062848">10,487</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Cash, restricted cash and cash equivalents beginning of year</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzQ2LTEtMS0xLTA_8c1e020d-27b1-43ee-8dea-adb745e9ee16">10,739</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0775ca58b3d94559b8449be6bfcf8cf6_I20191231" decimals="-3" name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzQ2LTItMS0xLTA_54cdc93e-8454-4c9d-af82-791ae67cb974">13,658</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8ebece702b5b4332924648558e2a4036_I20181231" decimals="-3" name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzQ2LTMtMS0xLTA_6377e9cf-1c77-444d-b584-de3d1fe14775">24,145</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Cash, restricted cash and cash equivalents end of year </span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzQ3LTEtMS0xLTA_ca53f1e4-6744-47d1-9338-958598869eac">13,810</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzQ3LTItMS0xLTA_7a1b1a79-5e38-4f18-9c9b-51527e0fdee8">10,739</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0775ca58b3d94559b8449be6bfcf8cf6_I20191231" decimals="-3" name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzQ3LTMtMS0xLTA_6b723510-e46f-4af5-8548-b50ce49dbd6f">13,658</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:12pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Supplemental cash flow information:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Cash (paid) refunded during the period:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 13.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest (net of amounts capitalized)</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:InterestPaidNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzUxLTEtMS0xLTA_0f43deaa-6717-4ddd-8d91-5d53ade55c0c">142,685</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:InterestPaidNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzUxLTItMS0xLTA_ecb8e066-19c6-484e-a203-6f4c414c80ed">136,549</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:InterestPaidNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzUxLTMtMS0xLTA_3d696907-79cc-49fd-bd56-a1bbd218342a">131,774</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Income taxes</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:IncomeTaxesPaidNet" format="ixt:num-dot-decimal" scale="3" 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0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:CapitalExpendituresIncurredButNotYetPaid" format="ixt:num-dot-decimal" scale="3" 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="bkh:NonCashRevisionToCapitalizedAssetRetirementCosts" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzU2LTEtMS0xLTA_95907bd3-5bc2-4117-b630-da473e020b35">2,109</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="bkh:NonCashRevisionToCapitalizedAssetRetirementCosts" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzU2LTItMS0xLTA_6470398e-b940-4354-b33c-5d999af05934">4,774</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="bkh:NonCashRevisionToCapitalizedAssetRetirementCosts" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjMvZnJhZzoxMTlkM2Q1YTgzN2M0MDFmYWM5ZGJiZGU2YjY0ZTIxZC90YWJsZTo2ZjEwYjA4NTAwYjg0Mjc4OWE1MmUyNjUyYjgzMGY4Yi90YWJsZXJhbmdlOjZmMTBiMDg1MDBiODQyNzg5YTUyZTI2NTJiODMwZjhiXzU2LTMtMS0xLTA_dc3a1793-b423-4130-9121-05bd91cb82f4">5,044</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="padding-left:9pt;text-indent:-9pt"><span><br/></span></div><div style="padding-left:4.5pt;padding-right:4.5pt;text-align:center;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">The accompanying </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_169">Notes to Consolidated Financial Statements</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> are an integral part of these Consolidated Financial Statements.</span></div><div style="height:31.5pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">64</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_166"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">BLACK HILLS CORPORATION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">CONSOLIDATED STATEMENTS OF EQUITY</span></div><div style="text-align:center"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:27.554%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.671%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.917%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.917%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.917%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.964%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.648%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.502%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.087%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.823%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">Common Stock</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">Treasury Stock</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">(in thousands except share amounts)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">Shares</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">Value</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">Shares</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">Value</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">Additional Paid in Capital</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">Retained Earnings</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">AOCI</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">Non controlling Interest</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="ie101ef84a1f74b269524485e8a0dca23_I20181231" decimals="INF" name="us-gaap:CommonStockSharesOutstanding" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzItMy0xLTEtMA_0b271345-4d4d-4f3a-86ac-cff206732f0e">44,253</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span 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style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic8b5229d43eb4f2394b2f954e28b8153_I20181231" decimals="-3" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i17c80685a19b4c05a5ce996892862848_I20181231" decimals="-3" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzItNi0xLTEtMA_7c8bafe7-50ae-407e-92a8-640bf9ed657d">700,396</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i8decfbee2f9648b8a746caf9aca9085c_I20181231" decimals="-3" sign="-" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzItNy0xLTEtMA_0d83c98d-217e-417c-9138-00a60b0e5b11">26,916</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia5d49df930834e08872d7a3b6ef7f81e_I20181231" decimals="-3" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzItOC0xLTEtMA_0a906174-c03c-42a5-b87f-93a2df388a8c">105,835</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8ebece702b5b4332924648558e2a4036_I20181231" decimals="-3" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzItOS0xLTEtMA_9adc3cdf-ef0c-4c3c-ac34-560246eb81f8">2,287,423</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1f9d0efe5af4255a78d4277874d1759_D20190101-20191231" decimals="-3" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzMtOS0xLTEtMA_919385af-d260-4c66-b701-8519efe99390">213,322</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other comprehensive (loss), net of tax</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i5385ac2281c14e21b2d7f675be65576d_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzQtNy0xLTEtMA_ea46392d-7b35-4ae7-afcd-2149422ce360">3,739</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzQtOS0xLTEtMA_fa90b6cc-43f6-4cfd-89ef-ecaa1fccdb81">3,739</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Dividends on common stock ($<ix:nonFraction unitRef="usdPerShare" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="2" name="us-gaap:CommonStockDividendsPerShareCashPaid" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzctMC0xLTEtMC90ZXh0cmVnaW9uOmY3NjM1MGQ5NDU3MzQ1YzliNDdiYjY0NjMyMGY0MGQ1XzMx_c5393a4d-1dca-42fc-92f9-fb989681f868">2.05</ix:nonFraction> per share)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i2404a80638b24981905ddeb613b55725_D20190101-20191231" decimals="-3" name="us-gaap:DividendsCommonStockCash" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzctNi0xLTEtMA_4b482c0c-d71b-4f23-aa49-b36ab3bb98d0">124,647</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:DividendsCommonStockCash" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzctOS0xLTEtMA_b639e48c-4fd0-4fb9-a192-88ddeea0b9ab">124,647</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Share-based compensation</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i8d38db177a4e45f2a6be2cd46d19a2e1_D20190101-20191231" decimals="INF" name="us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzgtMS0xLTEtMA_04ad4271-7992-4687-b17a-28d90b875e5e">103,759</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8d38db177a4e45f2a6be2cd46d19a2e1_D20190101-20191231" decimals="-3" name="us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzgtMi0xLTEtMA_7c36c6bf-063b-491f-8366-b7c4f6045207">104</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="shares" contextRef="i687a31452444416aaccc46655bbb0be9_D20190101-20191231" decimals="INF" sign="-" name="us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzgtMy0xLTEtMA_d0a05b3c-458f-466c-a3ad-12dbe0dfa5b9">40,297</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i687a31452444416aaccc46655bbb0be9_D20190101-20191231" decimals="-3" name="us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzgtNC0xLTEtMA_29b22479-88a8-4049-93f6-55c43865f1da">2,243</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iea5123e78d3945368a04de04b3862536_D20190101-20191231" decimals="-3" name="us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzgtNS0xLTEtMA_5aefb4b5-e86a-4448-a672-184c0d81718c">4,729</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzgtOS0xLTEtMA_a84eebad-5eed-4260-9042-8a4f3ae9c77e">7,076</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 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contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:StockIssuedDuringPeriodValueNewIssues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzEwLTktMS0xLTA_b0e06a2f-04d4-4726-83b7-98a840d6ca3b">100,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Issuance costs</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 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style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="iea5123e78d3945368a04de04b3862536_D20190101-20191231" decimals="-3" name="us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" format="ixt:num-dot-decimal" scale="3" 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style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2404a80638b24981905ddeb613b55725_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:StockholdersEquityOther" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzEzLTYtMS0xLTA_3ee86282-3419-4b01-a7a4-e4b64dcef6a8">327</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i43a6f4a7fcd34a40800fbe9937df7c65_I20191231" decimals="-3" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzE0LTktMS0xLTc4Mg_d82fd787-4706-4816-8977-dfc691f9a075">3,390</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Distributions to non-controlling interest</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span 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style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1f9d0efe5af4255a78d4277874d1759_D20190101-20191231" decimals="-3" name="us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzE0LTgtMS0xLTA_44f7ed9a-79e6-4363-a39a-4bc6bd09fd4e">17,901</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" format="ixt:num-dot-decimal" scale="3" 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i960f2a97f13842e18a12c1d8750bfd6d_I20191231" decimals="-3" sign="-" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzE1LTctMS0xLTA_be060fde-8d93-4727-83d6-52428f6f3b14">30,655</ix:nonFraction>)</span></td><td 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7b10f1c762b845f38ee08efff3c867bd_D20200101-20201231" decimals="-3" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzE2LTgtMS0xLTA_bff77347-de7a-4d70-9eb3-670e480127ac">15,155</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzE2LTktMS0xLTA_8187967c-5d59-440d-a523-68886383bcd4">242,763</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other comprehensive income, net of tax</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzE3LTktMS0xLTA_bb9176d8-b4d9-4eab-8d2a-8838b3d4fd22">3,309</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Dividends on common stock ($<ix:nonFraction unitRef="usdPerShare" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="2" name="us-gaap:CommonStockDividendsPerShareCashPaid" scale="0" 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:DividendsCommonStockCash" format="ixt:num-dot-decimal" scale="3" 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contextRef="i442a73cee04145999bb55aff55801241_D20200101-20201231" decimals="-3" name="us-gaap:StockIssuedDuringPeriodValueNewIssues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzIxLTUtMS0xLTA_38fb1f18-6f69-4512-8c37-1a8983e34c42">98,777</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 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contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:StockIssuedDuringPeriodValueNewIssues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzIxLTktMS0xLTA_4b26d13b-e504-4702-a408-e241fa4f3e6a">100,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Issuance costs</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 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style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i442a73cee04145999bb55aff55801241_D20200101-20201231" decimals="-3" name="us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzIyLTUtMS0xLTA_851de14e-8d17-4924-bdee-4db41e5d1707">1,203</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span 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style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Implementation of ASU 2016-13 Financial Instruments - - Credit Losses</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 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style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ic593adbcc9ab4752940bbd75a55f8d4e_I20201231" decimals="-3" sign="-" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzI0LTktMS0xLTA_6286aa79-d046-479d-ad08-a5d63d67cbd8">207</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Distributions to non-controlling interest</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i7b10f1c762b845f38ee08efff3c867bd_D20200101-20201231" decimals="-3" name="us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzI2LTgtMS0xLTA_984b8e7d-efec-4cbf-b90f-c6d4ce7b6f26">15,839</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzI2LTktMS0xLTA_00463228-8d52-449d-a0ca-57fe6bbc8134">15,839</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Balance at December 31, 2020</span></td><td colspan="2" 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzI3LTItMS0xLTA_cf663cd6-7293-411a-847e-8fdbe4aa409c">62,827</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i95edbc4b7dd245889e72f2a022b95925_I20201231" decimals="INF" name="us-gaap:CommonStockSharesOutstanding" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzI3LTMtMS0xLTA_74a5ac97-cb68-46ab-92a4-8b77b454140e">32,492</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i95edbc4b7dd245889e72f2a022b95925_I20201231" decimals="-3" sign="-" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzI3LTQtMS0xLTA_49110929-747d-49a5-bf8b-9a0476b656cc">2,119</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6d3045bcca12409bb406a2eda70ce14c_I20201231" decimals="-3" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzI3LTUtMS0xLTA_ab08c4ca-39f0-4e5d-a4da-fd3a0485f5e6">1,657,285</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i678c27f2305d4f61815500e8b5dd0f09_I20201231" decimals="-3" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzI3LTYtMS0xLTA_7639ef00-d172-466a-9ab2-7272ac9b2a59">870,738</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i88533f37a8354380a01c92cb11632df1_I20201231" decimals="-3" sign="-" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzI3LTctMS0xLTA_009ab0e2-a364-4cbe-bf55-0e385b3e26aa">27,346</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3f78b957e98b49398126f11ab290733d_I20201231" decimals="-3" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzI3LTgtMS0xLTA_94d9be74-b95d-45dd-84c9-b0620df76612">101,262</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzI3LTktMS0xLTA_12d83f81-1055-4c2a-a600-ed08f92441f0">2,662,647</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i634786cfcea04162bdf4a5f3f92e9b1c_D20210101-20211231" decimals="-3" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzI4LTYtMS0xLTA_667e6d0e-5aad-46e1-bb7d-955242ae5e0e">236,744</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic8352a48d30c4bc5bb1e01933b6f583f_D20210101-20211231" decimals="-3" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzI4LTgtMS0xLTA_37047fe8-2871-4674-b9eb-c5df66d914e8">14,516</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzI4LTktMS0xLTA_7005bedc-b6eb-46e6-a9ad-bd77874e5ad1">251,260</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other comprehensive income, net of tax</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0e711e0630b44438b5c87bf5bcc0da20_D20210101-20211231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzI5LTctMS0xLTA_ef76e043-6d88-43ef-958b-0cac3d24307a">7,262</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzI5LTktMS0xLTA_6a0d6e89-344d-48ae-9367-9b8030f8c5c2">7,262</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Dividends on common stock ($<ix:nonFraction unitRef="usdPerShare" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="2" name="us-gaap:CommonStockDividendsPerShareCashPaid" scale="0" 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i634786cfcea04162bdf4a5f3f92e9b1c_D20210101-20211231" decimals="-3" name="us-gaap:DividendsCommonStockCash" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzMwLTYtMS0xLTA_efed75a2-6efa-4817-a86a-7cc2c7efebcc">145,023</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:DividendsCommonStockCash" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzMwLTktMS0xLTA_0f6948e3-ccac-42f6-9588-3030d6aaec6a">145,023</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Share-based compensation</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="iac68536ceb214dfdadd5c54cad871aed_D20210101-20211231" decimals="INF" name="us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzMxLTEtMS0xLTA_2c663ec7-1980-439f-90b7-ac156a58bcd8">153,719</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iac68536ceb214dfdadd5c54cad871aed_D20210101-20211231" decimals="-3" name="us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzMxLTItMS0xLTA_b4b85e20-9a87-4f25-be1c-0539558decf2">154</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i9b67a2b137f64215a7edba9bda7066ad_D20210101-20211231" decimals="INF" name="us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzMxLTMtMS0xLTA_8561c5af-632c-466e-adb9-2cb1bafe07cf">21,586</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i9b67a2b137f64215a7edba9bda7066ad_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzMxLTQtMS0xLTA_cb949185-b9c3-469d-8967-287db0d1bd02">1,390</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i952a2ecc806f4e9eb8a69c8fe2c587db_D20210101-20211231" decimals="-3" name="us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzMxLTUtMS0xLTA_2274da45-71e4-4fc5-9af2-6507d456189f">9,256</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzMxLTktMS0xLTA_1a038889-4b28-4ade-9076-54c3b9ee83db">8,020</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 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style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iac68536ceb214dfdadd5c54cad871aed_D20210101-20211231" decimals="-3" name="us-gaap:StockIssuedDuringPeriodValueNewIssues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzMzLTItMS0xLTA_00bbc815-7a8e-4bac-96ac-76ba1619ac74">1,812</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 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contextRef="i952a2ecc806f4e9eb8a69c8fe2c587db_D20210101-20211231" decimals="-3" name="us-gaap:StockIssuedDuringPeriodValueNewIssues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzMzLTUtMS0xLTA_3a595515-4043-4b7e-975a-44a62283538e">118,112</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 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style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i952a2ecc806f4e9eb8a69c8fe2c587db_D20210101-20211231" decimals="-3" name="us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzM0LTUtMS0xLTA_d349f39e-5e91-421a-ab66-43fac0596123">1,217</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts" 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style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i634786cfcea04162bdf4a5f3f92e9b1c_D20210101-20211231" decimals="-3" name="us-gaap:StockholdersEquityOther" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzM2LTYtMS0xLTgzODIw_5b8b9ba7-fb64-4c1d-807d-dfa778df8876">1</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:StockholdersEquityOther" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzM2LTktMS0xLTkxNDEz_120a21d7-2e91-4c97-a353-388cda45ce58">1</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Distributions to non-controlling interest</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzM4LTktMS0xLTA_c4b79618-c7da-4034-9d40-ca11689df7ae">15,749</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i864126cc1a0748f6a45ceaf8c9dcda8b_I20211231" decimals="-3" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNjYvZnJhZzoyY2ViMGJlMzA5MGI0MzZlODIwOTllZTZhMDVhYmVlMy90YWJsZTowM2IxZTE4MmJjMTI0OTU4YjQ0ZDVhODk1ZjdjZDM4Ni90YWJsZXJhbmdlOjAzYjFlMTgyYmMxMjQ5NThiNDRkNWE4OTVmN2NkMzg2XzM5LTYtMS0xLTA_b3c263d6-5e53-44f3-879f-00a48a51edc0">962,458</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 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style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_169"> Notes to Consolidated Financial Statements</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> are an integral part of these Consolidated Financial Statements.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">65</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_169"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">BLACK HILLS CORPORATION</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Notes to Consolidated Financial Statements</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">December 31, 2021, 2020 and 2019</span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_172"></div><div style="padding-left:36pt;text-indent:-36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(1)&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTMx_f6e44a05-b5e1-42dc-a3bc-e30f825efce1" continuedAt="i05b3a59a162f4c359db94d896cbd92d4" escape="true">BUSINESS DESCRIPTION AND SIGNIFICANT ACCOUNTING POLICIES</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="i05b3a59a162f4c359db94d896cbd92d4" continuedAt="idb8a552412c24369b00e28627f4704b5"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Business Description</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Black Hills Corporation is a customer-focused, growth-oriented utility company headquartered in Rapid City, South Dakota. We are a holding company that, through our subsidiaries, conducts our operations through the following reportable segments:  Electric Utilities and Gas Utilities.  Certain unallocated corporate expenses that support our operating segments are presented as Corporate and Other.</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:SegmentReportingPolicyPolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODMx_79b52463-e6da-4a82-a0d3-8216701aca6e" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Segment Reporting</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our reportable segments are based on our method of internal reporting, which is generally segregated by differences in products and services. All of our operations and assets are located within the United States.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Electric Utilities segment includes the operating results of the regulated electric utility operations of Colorado Electric, South Dakota Electric, and Wyoming Electric, which supply regulated electric utility services to areas in Colorado, Montana, South Dakota and Wyoming.  We also own and operate non-regulated power generation and mining businesses that are vertically integrated with our Electric Utilities.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In the fourth quarter of 2021, we integrated our power generation and mining businesses within the Electric Utilities segment. The alignment is consistent with the current way our CODM evaluates the performance of the business and makes decisions related to the allocation of resources. Comparative periods presented reflect this change.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Gas Utilities segment consists of the operating results of our regulated natural gas utility subsidiaries in Arkansas, Colorado, Iowa, Kansas, Nebraska and Wyoming.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">For further information regarding our segment reporting, see </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_223">Note 16</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div></ix:nonNumeric><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:UseOfEstimates" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODYz_6569d320-4314-46c0-8f0c-7150caff4cd0" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Use of Estimates and Basis of Presentation</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of certain assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Changes in facts and circumstances or additional information may result in revised estimates and actual results could differ materially from those estimates.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">COVID-19 Pandemic</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In March 2020, the World Health Organization categorized COVID-19 as a pandemic and the President of the United States declared the outbreak a national emergency. The U.S. government has deemed electric and natural gas utilities to be critical infrastructure sectors that provide essential services during this emergency. As a provider of essential services, the Company has an obligation to provide services to our customers. The Company remains focused on protecting the health of our customers, employees and the communities in which we operate while assuring the continuity of our business operations.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Company&#8217;s Consolidated Financial Statements reflect estimates and assumptions made by management that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the Consolidated Financial Statements and reported amounts of revenue and expenses during the reporting periods presented. The Company considered the impacts of COVID-19 on the assumptions and estimates used and determined that, for the years ended December 31, 2021 and 2020, there were no material adverse impacts on the Company&#8217;s results of operations.</span></div></ix:nonNumeric><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ConsolidationPolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODUx_d400fec3-6dc0-4136-9938-16c166b3f1e9" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Principles of Consolidation</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The consolidated financial statements include the accounts of Black Hills Corporation and its wholly-owned and majority-owned and controlled subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. For additional information on intercompany revenues, see </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_223">Note 16</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Consolidated Statements of Income include operating activity of acquired companies beginning with their acquisition date.  We use the proportionate consolidation method to account for our ownership interest in any jointly-owned electric utility generation facility, wind farm or transmission tie. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_187">Note 6</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for additional information.</span></div></ix:nonNumeric></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">66</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><ix:continuation id="idb8a552412c24369b00e28627f4704b5" continuedAt="i4c11a4e1f50547219f933eb30c41638a"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ConsolidationVariableInterestEntityPolicy" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODY5_b6afc263-c7bc-4767-8ab1-c58e465c302e" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Variable Interest Entities</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We evaluate arrangements and contracts with other entities to determine if they are VIEs and if we are the primary beneficiary.  GAAP provides a framework for identifying VIEs and determining when a company should include the assets, liabilities, non-controlling interest and results of activities of a VIE in its consolidated financial statements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A VIE should be consolidated if a party with an ownership, contractual or other financial interest in the VIE (a variable interest holder) has the power to direct the VIE&#8217;s most significant activities and the obligation to absorb losses or right to receive benefits of the VIE that could be significant to the VIE. A variable interest holder that consolidates the VIE is called the primary beneficiary. Upon consolidation, the primary beneficiary generally must initially record all of the VIE&#8217;s assets, liabilities and non-controlling interests at fair value and subsequently account for the VIE as if it were consolidated.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our evaluation of whether our interest qualifies as the primary beneficiary of a VIE involves significant judgments, estimates and assumptions and includes a qualitative analysis of the activities that most significantly impact the VIE&#8217;s economic performance and whether the Company has the power to direct those activities, the design of the entity, the rights of the parties and the purpose of the arrangement. Black Hills Colorado IPP is a VIE. See additional information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_211">Note 12</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div></ix:nonNumeric><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTQ2_e2c47875-2104-42e7-98cb-bd40aecf8cb2" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Cash, Cash Equivalents and Restricted Cash</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We consider all highly liquid investments with an original maturity of three months or less to be cash and cash equivalents. We maintain cash accounts for various specified purposes, which are classified as restricted cash.</span></div></ix:nonNumeric><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:RevenueFromContractWithCustomerPolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzYwNDczMTQwMzEzNDI_8abab9b3-fe45-48db-b263-36ca4e1c29ad" continuedAt="i720377d59ed443f2876503323a4b1609" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Revenue Recognition</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our revenue contracts generally provide for performance obligations that are fulfilled and transfer control to customers over time, represent a series of distinct services that are substantially the same, involve the same pattern of transfer to the customer and provide a right to consideration from our customers in an amount that corresponds directly with the value to the customer for the performance completed to date. Therefore, we recognize revenue in the amount to which we have a right to invoice. Our primary types of revenue contracts are:</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline">Regulated natural gas and electric utility services tariffs</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Our Utilities have regulated operations, as defined by ASC 980, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Regulated Operations, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">that provide services to regulated customers under tariff rates, charges, terms and conditions of service and prices determined by the jurisdictional regulators designated for our service territories. Our regulated services primarily encompass single performance obligations for delivery of either commodity natural gas, commodity electricity, natural gas transportation or electric transmission services. These service revenues are variable based on quantities delivered, influenced by seasonal business and weather patterns. Tariffs are only permitted to be changed through a rate-setting process involving the state or federal regulatory commissions to establish contractual rates between the utility and its customers. All of our Utilities&#8217; regulated sales are subject to regulatory-approved tariffs.</span></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline">Power sales agreements</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Our Electric Utilities segment has long-term wholesale power sales agreements with other load-serving entities, including affiliates, for the sale of excess power from owned generating units. These agreements include a combination of &#8220;take or pay&#8221; arrangements, where the customer is obligated to pay for the energy regardless of whether it actually takes delivery, as well as &#8220;requirements only&#8221; arrangements, where the customer is only obligated to pay for the energy the customer needs. In addition to these long-term contracts, we also sell excess energy to other load-serving entities on a short-term basis. The pricing for all of these arrangements is included in the executed contracts or confirmations, reflecting the standalone selling price and is variable based on energy delivered. Certain energy sale and purchase transactions with the same counterparty and at the same delivery point are netted to reflect the economic substance of the arrangement.</span></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline">Coal supply agreements</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Our WRDC mine sells coal primarily under long-term contracts to affiliates for use at their generation facilities. The contracts include a single promise to supply coal necessary to fuel the customers&#8217; facilities during the contract term. The transaction price is established in the supply agreements, including cost-based agreements with the affiliated regulated utilities, and is variable based on tons delivered.</span></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline">Other non-regulated services</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Our Utilities segments also provide non-regulated services primarily comprised of appliance repair service and protection plans, electric and natural gas technical infrastructure construction and maintenance services, and in Nebraska and Wyoming, an unbundled natural gas commodity offering under the regulatory-approved Choice Gas Program. Revenue contracts for these services generally represent a single performance obligation with the price reflecting the standalone selling price stated in the agreement and a variable revenue based on the units delivered or services provided.</span></div></ix:nonNumeric></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">67</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><ix:continuation id="i4c11a4e1f50547219f933eb30c41638a" continuedAt="i562cf313af3c46549904877056255668"><ix:continuation id="i720377d59ed443f2876503323a4b1609"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The majority of our revenue contracts are based on variable quantities delivered. Any fixed consideration contracts with an expected duration of one year or more are immaterial to our consolidated revenues. Variable consideration constraints in the form of discounts, rebates, credits, price concessions, incentives, performance bonuses, penalties or other similar items are not material for our revenue contracts. We are the principal in our revenue contracts, as we have control over the services prior to those services being transferred to the customer.</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Revenue Not in Scope of ASC 606</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Other revenues included in the tables in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_181">Note 4</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> include our revenue accounted for under separate accounting guidance, including lease revenue under ASC 842, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Leases, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">derivative revenue under ASC 815, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Derivatives and Hedging,</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> and alternative revenue programs revenue under ASC 980, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Regulated Operations</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Significant Judgments and Estimates</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Unbilled Revenue</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">To the extent that deliveries have occurred but a bill has not been issued, our Utilities accrue an estimate of the revenue since the latest billing. This estimate is calculated based upon several factors including billings through the last billing cycle in a month and prices in effect in our jurisdictions. Each month, the estimated unbilled revenue amounts are trued-up and recorded in Accounts receivable, net on the accompanying Consolidated Balance Sheets.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Contract Balances</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The nature of our primary revenue contracts provides an unconditional right to consideration upon service delivery; therefore, no customer contract assets or liabilities exist. The unconditional right to consideration is represented by the balance in our Accounts receivable, which is further discussed below.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Additional information is included in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_181">Note 4</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div></ix:continuation><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:TradeAndOtherAccountsReceivablePolicy" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1Nzk2_e22f17c5-6626-4eb3-a029-d350eea750d8" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Accounts Receivable and Allowance for Credit Losses</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Accounts receivable for our Electric and Gas Utilities business segments primarily consists of sales to residential, commercial, industrial, transportation and other customers, all of which do not bear interest. These accounts receivable are stated at billed and estimated unbilled amounts, net of allowance for credit losses. Accounts receivable for our power generation and mining businesses consists of amounts due from sales of electric energy and capacity and coal primarily to affiliates or regional utilities.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We maintain an allowance for credit losses which reflects our estimate of uncollectible trade receivables. We regularly review our trade receivable allowance by considering such factors as historical experience, credit worthiness, the age of the receivable balances and current economic conditions that may affect collectability.</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In specific cases where we are aware of a customer&#8217;s inability or reluctance to pay, we record an allowance for credit losses to reduce the net receivable balance to the amount we reasonably expect to collect. However, if circumstances change, our estimate of the recoverability of accounts receivable could be affected. Circumstances which could affect our estimates include, but are not limited to, customer credit issues, expected losses, the level of commodity prices, customer deposits and general economic conditions. Accounts are written off once they are deemed to be uncollectible or the time allowed for dispute under the contract has expired.</span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We utilize master netting agreements which consist of an agreement between two parties who have multiple contracts with each other that provide for the net settlement of all contracts in the event of default on or termination of any one contract. When the right of offset exists, accounting standards permit the netting of receivables and payables under a legally enforceable master netting agreement between counterparties. 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thousands):</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:60.595%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.052%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.053%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Billed Accounts Receivable</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="idfe22db40e7a4c98a2a75c8eb2ad6cc2_I20211231" decimals="-3" name="us-gaap:AccountsReceivableGrossCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpjMGRlZmM4YWE5NzA0Nzc2OTFlNmM4MjY5N2ZkYzhjMy90YWJsZXJhbmdlOmMwZGVmYzhhYTk3MDQ3NzY5MWU2YzgyNjk3ZmRjOGMzXzEtMS0xLTEtNjE3NDk_4998330f-36db-4c18-80d8-e989dae80a15">181,027</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i134ff82bf525422abcbacb5b1ac0459b_I20211231" decimals="-3" name="us-gaap:AccountsReceivableGrossCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpjMGRlZmM4YWE5NzA0Nzc2OTFlNmM4MjY5N2ZkYzhjMy90YWJsZXJhbmdlOmMwZGVmYzhhYTk3MDQ3NzY5MWU2YzgyNjk3ZmRjOGMzXzItMS0xLTEtNjE3NTY_0799d07e-9afb-4e06-b681-e2105624d8d0">142,738</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i24249068eda84241958abc58440892b8_I20201231" decimals="-3" name="us-gaap:AccountsReceivableGrossCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpjMGRlZmM4YWE5NzA0Nzc2OTFlNmM4MjY5N2ZkYzhjMy90YWJsZXJhbmdlOmMwZGVmYzhhYTk3MDQ3NzY5MWU2YzgyNjk3ZmRjOGMzXzItMi0xLTEtNjE4MDg_b8671ffb-b8c5-47b3-8a8e-af6b6f35478f">126,065</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less Allowance for Credit Losses</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpjMGRlZmM4YWE5NzA0Nzc2OTFlNmM4MjY5N2ZkYzhjMy90YWJsZXJhbmdlOmMwZGVmYzhhYTk3MDQ3NzY5MWU2YzgyNjk3ZmRjOGMzXzMtMS0xLTEtNjE3NjM_8e18e3d4-bcdc-4930-89ab-d72bee193b93">2,113</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpjMGRlZmM4YWE5NzA0Nzc2OTFlNmM4MjY5N2ZkYzhjMy90YWJsZXJhbmdlOmMwZGVmYzhhYTk3MDQ3NzY5MWU2YzgyNjk3ZmRjOGMzXzMtMi0xLTEtNjE4MTU_585b7ade-e622-4c1e-adf2-929dd8b1b464">7,003</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 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scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpjMGRlZmM4YWE5NzA0Nzc2OTFlNmM4MjY5N2ZkYzhjMy90YWJsZXJhbmdlOmMwZGVmYzhhYTk3MDQ3NzY5MWU2YzgyNjk3ZmRjOGMzXzQtMS0xLTEtNjE3NzQ_89284b60-d666-43af-ac85-36fa93cbe486">321,652</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:AccountsReceivableNetCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpjMGRlZmM4YWE5NzA0Nzc2OTFlNmM4MjY5N2ZkYzhjMy90YWJsZXJhbmdlOmMwZGVmYzhhYTk3MDQ3NzY5MWU2YzgyNjk3ZmRjOGMzXzQtMi0xLTEtNjE4MjI_74f97450-eed1-462c-aca9-87e0faaa9271">265,961</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">68</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div style="text-align:center"><span><br/></span></div><div><span><br/></span></div><ix:continuation id="i562cf313af3c46549904877056255668" continuedAt="ibe5c51797791441d960a43d820fe7ceb"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTgz_7eb16a83-5ba0-4318-86e7-78d16f982dd6" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Changes to allowance for credit losses for the years ended December 31, were as follows (in thousands):</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:16.443%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.250%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:14.250%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.577%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.250%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.250%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.260%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance at Beginning of Year</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Additions Charged to Costs and Expenses</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Recoveries and Other Additions</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Write-offs and Other Deductions</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance at End of Year</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTowZjc2ZWFhYzExMTc0NjRkOGQ4NDFiZWQ5OTI3ZjdkMS90YWJsZXJhbmdlOjBmNzZlYWFjMTExNzQ2NGQ4ZDg0MWJlZDk5MjdmN2QxXzEtMi0xLTEtMA_5a67cc5e-0abf-4866-afd4-65d0d1acf5a3">7,003</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:ProvisionForDoubtfulAccounts" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTowZjc2ZWFhYzExMTc0NjRkOGQ4NDFiZWQ5OTI3ZjdkMS90YWJsZXJhbmdlOjBmNzZlYWFjMTExNzQ2NGQ4ZDg0MWJlZDk5MjdmN2QxXzEtNi0xLTEtMA_bd4b5fcf-4770-4d60-82ce-624e772c41d9">2,444</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTowZjc2ZWFhYzExMTc0NjRkOGQ4NDFiZWQ5OTI3ZjdkMS90YWJsZXJhbmdlOjBmNzZlYWFjMTExNzQ2NGQ4ZDg0MWJlZDk5MjdmN2QxXzEtOC0xLTEtMA_8efc2e21-6195-4b2d-8b02-728e8a483539">3,560</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTowZjc2ZWFhYzExMTc0NjRkOGQ4NDFiZWQ5OTI3ZjdkMS90YWJsZXJhbmdlOjBmNzZlYWFjMTExNzQ2NGQ4ZDg0MWJlZDk5MjdmN2QxXzEtMTAtMS0xLTA_1fe581cf-dad5-473a-bbd9-08bce799d8af">10,894</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTowZjc2ZWFhYzExMTc0NjRkOGQ4NDFiZWQ5OTI3ZjdkMS90YWJsZXJhbmdlOjBmNzZlYWFjMTExNzQ2NGQ4ZDg0MWJlZDk5MjdmN2QxXzEtMTItMS0xLTA_1788710c-4bb1-4e96-8155-600e853a4bdb">2,113</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0775ca58b3d94559b8449be6bfcf8cf6_I20191231" decimals="-3" name="us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTowZjc2ZWFhYzExMTc0NjRkOGQ4NDFiZWQ5OTI3ZjdkMS90YWJsZXJhbmdlOjBmNzZlYWFjMTExNzQ2NGQ4ZDg0MWJlZDk5MjdmN2QxXzItMi0xLTEtMA_0788ebf6-0f34-4864-8d65-691bcce3d9ab">2,444</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:ProvisionForDoubtfulAccounts" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTowZjc2ZWFhYzExMTc0NjRkOGQ4NDFiZWQ5OTI3ZjdkMS90YWJsZXJhbmdlOjBmNzZlYWFjMTExNzQ2NGQ4ZDg0MWJlZDk5MjdmN2QxXzItNi0xLTEtMA_c5b4aed2-4c46-47e1-8f6c-2495601eeb28">8,927</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries" format="ixt:num-dot-decimal" scale="3" 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8ebece702b5b4332924648558e2a4036_I20181231" decimals="-3" name="us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTowZjc2ZWFhYzExMTc0NjRkOGQ4NDFiZWQ5OTI3ZjdkMS90YWJsZXJhbmdlOjBmNzZlYWFjMTExNzQ2NGQ4ZDg0MWJlZDk5MjdmN2QxXzMtMi0xLTEtMA_c50fc961-a098-4778-8344-8af9efe54725">3,209</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:ProvisionForDoubtfulAccounts" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTowZjc2ZWFhYzExMTc0NjRkOGQ4NDFiZWQ5OTI3ZjdkMS90YWJsZXJhbmdlOjBmNzZlYWFjMTExNzQ2NGQ4ZDg0MWJlZDk5MjdmN2QxXzMtNi0xLTEtMA_423edfae-2ff3-4040-9262-c871b5f685f8">5,795</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTowZjc2ZWFhYzExMTc0NjRkOGQ4NDFiZWQ5OTI3ZjdkMS90YWJsZXJhbmdlOjBmNzZlYWFjMTExNzQ2NGQ4ZDg0MWJlZDk5MjdmN2QxXzMtOC0xLTEtMA_1b44477d-05e8-4619-aec4-9ccb1a2c3476">3,942</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTowZjc2ZWFhYzExMTc0NjRkOGQ4NDFiZWQ5OTI3ZjdkMS90YWJsZXJhbmdlOjBmNzZlYWFjMTExNzQ2NGQ4ZDg0MWJlZDk5MjdmN2QxXzMtMTAtMS0xLTA_204e0fa8-205b-4180-9404-44b8f5fa2bad">10,502</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0775ca58b3d94559b8449be6bfcf8cf6_I20191231" decimals="-3" name="us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTowZjc2ZWFhYzExMTc0NjRkOGQ4NDFiZWQ5OTI3ZjdkMS90YWJsZXJhbmdlOjBmNzZlYWFjMTExNzQ2NGQ4ZDg0MWJlZDk5MjdmN2QxXzMtMTItMS0xLTA_9afb45e5-a269-4b5f-9df6-ab38b69836da">2,444</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">_________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Due to the COVID-19 pandemic, all of our jurisdictions temporarily suspended disconnections due to non-payment for a period of time, which increased our accounts receivable arrears balances. 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All jurisdiction disconnect moratoriums ended on or before May 3, 2021.</span></div></ix:nonNumeric><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:InventoryPolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTAz_2ac09d50-62c9-4944-8ce7-efd40a7316b4" continuedAt="i6d0ec5e571cd45fcb6db2f0ffac5b6a8" escape="true">Materials, Supplies and Fuel</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="i6d0ec5e571cd45fcb6db2f0ffac5b6a8"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfInventoryCurrentTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1NzQ5_63d24e5d-4d15-4708-8cf1-b25c55709508" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following amounts by major classification are included in Materials, supplies and fuel on the accompanying Consolidated Balance Sheets as of December 31 (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:60.595%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.052%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.053%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Materials and supplies</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 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style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:InventoryRawMaterialsAndSupplies" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpiNWY1Yjg1ZjRiMjU0ODRiYjc2Y2UyYzA1ZjI1N2E1MS90YWJsZXJhbmdlOmI1ZjViODVmNGIyNTQ4NGJiNzZjZTJjMDVmMjU3YTUxXzEtMi0xLTEtMA_4ceb569b-ea81-4317-9f08-a992ecf158ed">85,250</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:EnergyRelatedInventoryOtherFossilFuel" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpiNWY1Yjg1ZjRiMjU0ODRiYjc2Y2UyYzA1ZjI1N2E1MS90YWJsZXJhbmdlOmI1ZjViODVmNGIyNTQ4NGJiNzZjZTJjMDVmMjU3YTUxXzItMS0xLTEtMA_bb33e770-8f10-4913-95e6-ed99fb48b2a0">1,267</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:EnergyRelatedInventoryOtherFossilFuel" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpiNWY1Yjg1ZjRiMjU0ODRiYjc2Y2UyYzA1ZjI1N2E1MS90YWJsZXJhbmdlOmI1ZjViODVmNGIyNTQ4NGJiNzZjZTJjMDVmMjU3YTUxXzItMi0xLTEtMA_7610ff55-ac6b-4fb2-85f1-bbecb2571d90">1,531</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas in storage </span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:EnergyRelatedInventoryNaturalGasInStorage" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpiNWY1Yjg1ZjRiMjU0ODRiYjc2Y2UyYzA1ZjI1N2E1MS90YWJsZXJhbmdlOmI1ZjViODVmNGIyNTQ4NGJiNzZjZTJjMDVmMjU3YTUxXzMtMS0xLTEtMA_8b3ceef6-86e7-4975-8926-d41d9d94757f">63,312</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:EnergyRelatedInventoryNaturalGasInStorage" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpiNWY1Yjg1ZjRiMjU0ODRiYjc2Y2UyYzA1ZjI1N2E1MS90YWJsZXJhbmdlOmI1ZjViODVmNGIyNTQ4NGJiNzZjZTJjMDVmMjU3YTUxXzMtMi0xLTEtMA_dc2bb530-22e9-4690-9ec3-d507456a0a6a">30,619</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total materials, supplies and fuel</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:InventoryNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpiNWY1Yjg1ZjRiMjU0ODRiYjc2Y2UyYzA1ZjI1N2E1MS90YWJsZXJhbmdlOmI1ZjViODVmNGIyNTQ4NGJiNzZjZTJjMDVmMjU3YTUxXzQtMS0xLTEtMA_8797ff87-596b-4c80-865d-836c4d63abea">150,979</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:InventoryNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpiNWY1Yjg1ZjRiMjU0ODRiYjc2Y2UyYzA1ZjI1N2E1MS90YWJsZXJhbmdlOmI1ZjViODVmNGIyNTQ4NGJiNzZjZTJjMDVmMjU3YTUxXzQtMi0xLTEtMA_1a542c7e-06dc-43ad-aec5-2a77f95f1f53">117,400</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Materials and supplies represent parts and supplies for business segments. Fuel represents diesel oil and gas used by our Electric Utilities to produce power. Natural gas in storage primarily represents gas purchased for use by our gas customers.  All of our Materials, supplies and fuel are recorded using the weighted-average cost method and are valued at the lower-of-cost or net realizable value. The value of our natural gas in storage fluctuates with seasonal volume requirements of our business and the commodity price of natural gas.</span></div></ix:continuation><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:InvestmentPolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTU2_2bd7994a-3333-491a-ac1d-81ff6df6ec3a" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Investments </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In February 2018, we made a contribution of $<ix:nonFraction unitRef="usd" contextRef="i62d8ff2519114e50b548857813f64cb6_I20190228" decimals="-6" name="bkh:AssetsUsedtoAcquireOtherInvestments" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzEwMTcz_e45a6258-294c-4cd6-8d6e-0e8d5099a63d">28</ix:nonFraction> million of assets in exchange for equity securities in a privately held oil and gas company as we divested of our Oil and Gas segment. The carrying value of our investment in the equity securities was recorded at cost. We review this investment on a periodic basis to determine whether a significant event or change in circumstances has occurred that may have an adverse effect on the value of the investment.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">During the third quarter of 2019, we assessed our investment for impairment as a result of a deterioration in earnings performance of the privately held oil and gas company and an adverse change in future natural gas prices. Based on the estimated fair value of our investment, we concluded that the carrying value of the investment exceeded fair value.  As a result, we recorded a pre-tax impairment loss of $<ix:nonFraction unitRef="usd" contextRef="i8e691dbe24c948e09f91d5ed1485194b_D20190701-20190930" decimals="-6" name="us-gaap:OtherAssetImpairmentCharges" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzExMzk1_adb7e91c-124d-451f-976d-3ebb6f312bbf">20</ix:nonFraction> million for the three months ended September 30, 2019, which was the difference between the carrying amount and the fair value of the investment at that time.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">During the first quarter of 2020, we assessed our investment for impairment as a result of continued adverse changes in future natural gas prices and liquidity concerns at the privately held oil and gas company. Based on the estimated fair value of our investment, we concluded that the carrying value of the investment exceeded fair value. As a result, we recorded a pre-tax impairment loss of $<ix:nonFraction unitRef="usd" contextRef="if31aa2d9380f4007ae21bf7542d497c0_D20200101-20200331" decimals="-5" name="us-gaap:OtherAssetImpairmentCharges" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzEyMDkz_42028091-b7bd-4268-a13b-9a3bdfd2ec62">6.9</ix:nonFraction>&#160;million for the three months ended March 31, 2020, which was the difference between the carrying value and the fair value of the investment at that time.</span></div></ix:nonNumeric><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:InvestmentTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTc0_af463587-6c9d-4c34-a2c6-e58a524bb1cf" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table presents the carrying value of our investments (in thousands), which are included in Other assets, non-current on the Consolidated Balance Sheets, as of December 31:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:60.595%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.052%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.053%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Investment in privately held oil and gas company</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ee2a925e9724039b4ca9325e07a6867_I20211231" decimals="-3" name="us-gaap:LongTermInvestments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTozODcxNTg2MTRiMjE0ZWQ0YjczMTdhMjAyODczODkyMy90YWJsZXJhbmdlOjM4NzE1ODYxNGIyMTRlZDRiNzMxN2EyMDI4NzM4OTIzXzEtMS0xLTEtMA_fc3a78b1-167a-4302-807e-2164f8b50b1e">1,500</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib8d89de14b7c4500b8065995f8592199_I20201231" decimals="-3" name="us-gaap:LongTermInvestments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTozODcxNTg2MTRiMjE0ZWQ0YjczMTdhMjAyODczODkyMy90YWJsZXJhbmdlOjM4NzE1ODYxNGIyMTRlZDRiNzMxN2EyMDI4NzM4OTIzXzEtMi0xLTEtMA_f7255cf3-2f32-43e2-b35b-dd5bc3064feb">1,500</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cash surrender value of life insurance contracts</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i063a6c90d626487da6c226ab0a1a410b_I20211231" decimals="-3" name="us-gaap:LongTermInvestments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTozODcxNTg2MTRiMjE0ZWQ0YjczMTdhMjAyODczODkyMy90YWJsZXJhbmdlOjM4NzE1ODYxNGIyMTRlZDRiNzMxN2EyMDI4NzM4OTIzXzItMS0xLTEtMA_e3580179-2eca-46be-9f0a-4177d7ffcb1e">12,365</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i80c109dcb0034701a2014053c42b1f67_I20201231" decimals="-3" name="us-gaap:LongTermInvestments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTozODcxNTg2MTRiMjE0ZWQ0YjczMTdhMjAyODczODkyMy90YWJsZXJhbmdlOjM4NzE1ODYxNGIyMTRlZDRiNzMxN2EyMDI4NzM4OTIzXzItMi0xLTEtMA_80a3a47e-017a-4c1a-ab68-63fb6ab79162">13,628</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other investments</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i19bc483f21ff41c6a413aa42ea3cc605_I20211231" decimals="-3" name="us-gaap:LongTermInvestments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTozODcxNTg2MTRiMjE0ZWQ0YjczMTdhMjAyODczODkyMy90YWJsZXJhbmdlOjM4NzE1ODYxNGIyMTRlZDRiNzMxN2EyMDI4NzM4OTIzXzMtMS0xLTEtMA_54b1809e-9526-43ec-93fc-51ec41d93721">1,616</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2e8fe480ee6447c7b6ea590abfda158d_I20201231" decimals="-3" name="us-gaap:LongTermInvestments" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTozODcxNTg2MTRiMjE0ZWQ0YjczMTdhMjAyODczODkyMy90YWJsZXJhbmdlOjM4NzE1ODYxNGIyMTRlZDRiNzMxN2EyMDI4NzM4OTIzXzMtMi0xLTEtMA_2a5611da-af79-4b76-a07b-c8e581f1747e">682</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total investments</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LongTermInvestments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTozODcxNTg2MTRiMjE0ZWQ0YjczMTdhMjAyODczODkyMy90YWJsZXJhbmdlOjM4NzE1ODYxNGIyMTRlZDRiNzMxN2EyMDI4NzM4OTIzXzQtMS0xLTEtMA_adc70d80-86a9-42d2-8977-f267869c9e73">15,481</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:LongTermInvestments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTozODcxNTg2MTRiMjE0ZWQ0YjczMTdhMjAyODczODkyMy90YWJsZXJhbmdlOjM4NzE1ODYxNGIyMTRlZDRiNzMxN2EyMDI4NzM4OTIzXzQtMi0xLTEtMA_63f5c81c-c986-446d-851f-ce258ea7ec6a">15,810</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">69</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div><span><br/></span></div><ix:continuation id="ibe5c51797791441d960a43d820fe7ceb" continuedAt="ic108813c92cf4f89a86277c9fe847990"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentPolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTYz_88f6c1c1-16d7-4109-b32c-fa5ff0e8eefe" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Property, Plant and Equipment</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Additions to property, plant and equipment are recorded at cost. Included in the cost of regulated construction projects is AFUDC, when applicable, which represents the approximate composite cost of borrowed funds and a return on equity used to finance a regulated utility project. <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:PublicUtilitiesGeneralDisclosuresTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzYwNDczMTQwMzEzNDA_8129b20a-6a96-4a98-893d-f80d32ef65db" continuedAt="ic40995ddb2914cf29ca2956e21fbddca" escape="true">The following table presents AFUDC amounts (in thousands) for the years ended December 31:</ix:nonNumeric></span></div><div><span><br/></span></div><div><ix:continuation id="ic40995ddb2914cf29ca2956e21fbddca"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:16.882%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:43.636%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.326%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.326%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.330%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income Statement Location</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">AFUDC Borrowed</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest expense incurred net of amounts capitalized (including amortization of debt issuance costs, premiums and discounts)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id16766800b42438fa361abbf790089c8_D20210101-20211231" decimals="-3" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTowMzU4MDA5YTBmY2M0YTRkYWM2NmEwYjJjM2Q1NjdhZi90YWJsZXJhbmdlOjAzNTgwMDlhMGZjYzRhNGRhYzY2YTBiMmMzZDU2N2FmXzEtMi0xLTEtNjk4NjY_2e1d4030-7d85-4193-95a1-9cda804dc705">4,068</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7971131d1f334ea4a7fbb145312a39d2_D20200101-20201231" decimals="-3" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTowMzU4MDA5YTBmY2M0YTRkYWM2NmEwYjJjM2Q1NjdhZi90YWJsZXJhbmdlOjAzNTgwMDlhMGZjYzRhNGRhYzY2YTBiMmMzZDU2N2FmXzEtMy0xLTEtNjk1MDI_1b7ac354-230b-4f90-8002-da02e42d4e27">5,617</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i203a99bc3d074d7b8b557ebb7c5f0265_D20190101-20191231" decimals="-3" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTowMzU4MDA5YTBmY2M0YTRkYWM2NmEwYjJjM2Q1NjdhZi90YWJsZXJhbmdlOjAzNTgwMDlhMGZjYzRhNGRhYzY2YTBiMmMzZDU2N2FmXzEtNC0xLTEtNjk1MTg_51d57b36-d562-450c-bbf9-eb8930e5a6f1">6,556</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">AFUDC Equity</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other income (expense), net</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i328a58d33304426788f1861eda24cdb7_D20210101-20211231" decimals="-3" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTowMzU4MDA5YTBmY2M0YTRkYWM2NmEwYjJjM2Q1NjdhZi90YWJsZXJhbmdlOjAzNTgwMDlhMGZjYzRhNGRhYzY2YTBiMmMzZDU2N2FmXzItMi0xLTEtNjk4NjY_b4ad9e15-a014-41aa-bdd9-44775550e1ec">593</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7c1eabdce4ef47aeb70aab4f70f3d717_D20200101-20201231" decimals="-3" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTowMzU4MDA5YTBmY2M0YTRkYWM2NmEwYjJjM2Q1NjdhZi90YWJsZXJhbmdlOjAzNTgwMDlhMGZjYzRhNGRhYzY2YTBiMmMzZDU2N2FmXzItMy0xLTEtNjk1MTE_fd05b02c-d35b-400f-b3c0-7fffb6f7cef8">318</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id68d4332e92c42bcaf23e6d0a06a7efe_D20190101-20191231" decimals="-3" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTowMzU4MDA5YTBmY2M0YTRkYWM2NmEwYjJjM2Q1NjdhZi90YWJsZXJhbmdlOjAzNTgwMDlhMGZjYzRhNGRhYzY2YTBiMmMzZDU2N2FmXzItNC0xLTEtNjk1MTg_ad596f75-e77c-44f8-ba53-b66891ae8732">472</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></ix:continuation></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We also capitalize interest, when applicable, on undeveloped leasehold costs and certain non-regulated construction projects. In addition, asset retirement costs associated with tangible long-lived regulated utility assets are recognized as liabilities with an increase to the carrying amounts of the related long-lived regulated utility assets in the period incurred. The amounts capitalized are included in Property, plant and equipment on the accompanying Consolidated Balance Sheets. We also classify our Cushion Gas as property, plant and equipment.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The cost of regulated utility property, plant and equipment retired, or otherwise disposed in the ordinary course of business, less salvage plus retirement costs, is charged to accumulated depreciation. Estimated removal costs related to our regulated properties that do not have legal retirement obligations are reclassified from accumulated depreciation and reflected as regulatory liabilities. Retirement or disposal of all other assets result in gains or losses recognized as a component of operating income. Ordinary repairs and maintenance of property, except as allowed under rate regulations, are charged to operations as incurred.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Depreciation provisions for property, plant and equipment are generally computed on a straight-line basis based on the applicable estimated service life of the various classes of property. The composite depreciation method is applied to regulated utility property. Capitalized mining costs and coal leases are amortized on a unit-of-production method based on volumes produced and estimated reserves. For certain non-regulated power plant components, depreciation is computed on a unit-of-production methodology based on plant hours run.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_184">Note 5</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for additional information.</span></div></ix:nonNumeric><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:AssetRetirementObligationsPolicy" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODY1_96562f41-d10a-482d-9ff5-d82b14e7c3e0" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Asset Retirement Obligations</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Accounting standards for AROs associated with long-lived assets require that the present value of retirement costs for which we have a legal obligation be recorded as liabilities with an equivalent amount added to the asset cost and depreciated over an appropriate period. The associated ARO accretion expense for our non-regulated operations is included within Depreciation, depletion and amortization on the accompanying Consolidated Statements of Income. The accounting for the obligation for regulated operations has no income statement impact due to the deferral of the adjustments through the establishment of a regulatory asset or a regulatory liability.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We initially record liabilities for the present value of retirement costs for which we have a legal obligation, with an equivalent amount added to the asset cost. The asset is then depreciated or depleted over the appropriate useful life and the liability is accreted over time by applying an interest method of allocation. Any difference in the actual cost of the settlement of the liability and the recorded amount is recognized as a gain or loss in the results of operations at the time of settlement for our non-regulated operations. Additional information is included in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_190">Note 7</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div></ix:nonNumeric><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:GoodwillAndIntangibleAssetsPolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODk2_83fe1aa5-392f-4914-b8bc-9876ef5cb084" continuedAt="ibc7b9ee80f3d48779e3f0c6b1daf4211" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Goodwill and Intangible Assets</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Goodwill and intangible assets with indefinite lives are not amortized, but the carrying values are reviewed upon an indicator of impairment or at least annually. Intangible assets with a finite life are amortized over their estimated useful lives.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We perform a goodwill impairment test on an annual basis or upon the occurrence of events or changes in circumstances that indicate that the asset might be impaired.&#160;Our annual goodwill impairment testing date is as of October 1, which aligns our  testing date with our financial planning process.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Company has determined that the reporting units for its goodwill impairment test are its operating segments, or components of an operating segment.</span></div></ix:nonNumeric></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">70</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><ix:continuation id="ic108813c92cf4f89a86277c9fe847990" continuedAt="if30d24f44e1941f3810045e55727ed26"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"><ix:continuation id="ibc7b9ee80f3d48779e3f0c6b1daf4211" continuedAt="ibb9d6f57311b4f188417d9d8b95b23ad">Our goodwill impairment analysis includes an income approach and a market approach to estimate the fair value of our reporting units. This analysis requires the input of several critical assumptions, including future growth rates, cash flow projections, operating cost escalation rates, rates of return, a risk-adjusted discount rate, timing and level of success in regulatory rate proceedings, the cost of debt and equity capital, long-term earnings and merger multiples for comparable companies.</ix:continuation></span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"><ix:continuation id="ibb9d6f57311b4f188417d9d8b95b23ad" continuedAt="i39de14733233410eb68ade9e6578653a">We believe that goodwill reflects the inherent value of the relatively stable, long-lived cash flows of our Utilities businesses, considering the regulatory environment, and the long-lived cash flow and rate base growth opportunities at our Utilities, and those businesses vertically integrated. Goodwill amounts have not changed since 2016.</ix:continuation> <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfGoodwillTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTY0_59451bd9-1b30-4214-b9bd-fe75566b0824" continuedAt="i1614587653f84b479577ec018eb20e11" escape="true">As of December 31, 2021 and 2020, Goodwill balances were as follows (in thousands):</ix:nonNumeric></span></div><div style="margin-top:5pt;text-align:center"><ix:continuation id="i1614587653f84b479577ec018eb20e11"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:41.005%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.198%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.198%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.199%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:Goodwill" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTo2MGVkZjYxYjdmZWE0NGMwODliNzBmYTAzYWVkYWMwMS90YWJsZXJhbmdlOjYwZWRmNjFiN2ZlYTQ0YzA4OWI3MGZhMDNhZWRhYzAxXzUtNC0xLTEtMA_9c2d5048-2d95-4b3d-b607-8e137fe4904d">1,299,454</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></ix:continuation></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"><ix:continuation id="i39de14733233410eb68ade9e6578653a">Our intangible assets represent contract intangibles, easements, rights-of-way, customer listings and trademarks. 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzE4MDcz_34553c73-e04c-4a83-9b5c-d4e9c853f5a4">40</ix:nonNumeric> years.</ix:continuation> <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODAy_63e4d086-c4d5-4348-b15b-5641130867e6" continuedAt="i75b3fa41edf242b9b14d9e9314743311" escape="true">Changes to intangible assets for the years ended December 31, were as follows (in thousands):</ix:nonNumeric></span></div><ix:continuation id="i75b3fa41edf242b9b14d9e9314743311"><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:40.920%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.226%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.226%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.228%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Intangible assets, net, beginning balance</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0775ca58b3d94559b8449be6bfcf8cf6_I20191231" decimals="-3" name="us-gaap:IntangibleAssetsNetExcludingGoodwill" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTo0MWE2NzBlNzE2MzM0YjMwODJlZWU0MzRmNTQ4NjMxNy90YWJsZXJhbmdlOjQxYTY3MGU3MTYzMzRiMzA4MmVlZTQzNGY1NDg2MzE3XzEtMi0xLTEtMA_46556f37-43c4-415a-b688-d27878b52a26">13,266</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8ebece702b5b4332924648558e2a4036_I20181231" decimals="-3" name="us-gaap:IntangibleAssetsNetExcludingGoodwill" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTo0MWE2NzBlNzE2MzM0YjMwODJlZWU0MzRmNTQ4NjMxNy90YWJsZXJhbmdlOjQxYTY3MGU3MTYzMzRiMzA4MmVlZTQzNGY1NDg2MzE3XzEtMy0xLTEtMA_5fd5a333-1328-48d1-b963-3759dcea81e2">14,337</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amortization expense </span><span 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style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:AmortizationOfIntangibleAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTo0MWE2NzBlNzE2MzM0YjMwODJlZWU0MzRmNTQ4NjMxNy90YWJsZXJhbmdlOjQxYTY3MGU3MTYzMzRiMzA4MmVlZTQzNGY1NDg2MzE3XzMtMi0xLTEtMA_847139e6-092e-4b29-8556-c06a81bdb437">1,322</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:AmortizationOfIntangibleAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTo0MWE2NzBlNzE2MzM0YjMwODJlZWU0MzRmNTQ4NjMxNy90YWJsZXJhbmdlOjQxYTY3MGU3MTYzMzRiMzA4MmVlZTQzNGY1NDg2MzE3XzMtMy0xLTEtMA_fedc84c8-0e4b-46f3-aa1c-acee7792199a">1,071</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Intangible assets, net, ending balance</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:IntangibleAssetsNetExcludingGoodwill" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTo0MWE2NzBlNzE2MzM0YjMwODJlZWU0MzRmNTQ4NjMxNy90YWJsZXJhbmdlOjQxYTY3MGU3MTYzMzRiMzA4MmVlZTQzNGY1NDg2MzE3XzQtMS0xLTEtMA_51737b36-d902-4748-9600-47bcc4c685e0">10,770</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0775ca58b3d94559b8449be6bfcf8cf6_I20191231" decimals="-3" name="us-gaap:IntangibleAssetsNetExcludingGoodwill" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTo0MWE2NzBlNzE2MzM0YjMwODJlZWU0MzRmNTQ4NjMxNy90YWJsZXJhbmdlOjQxYTY3MGU3MTYzMzRiMzA4MmVlZTQzNGY1NDg2MzE3XzQtMy0xLTEtMA_e5f09dab-32c9-49d7-b440-e88defac7724">13,266</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Amortization expense for existing intangible assets is expected to be $<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-5" name="us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" format="ixt:num-dot-decimal" scale="6" 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzE4MjY2_9564deee-433a-4bf8-b4ed-b2508b60044b"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-5" name="us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzE4MjY2_a9278ed3-2cdc-4286-ab2b-6fa55561f039"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-5" name="us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzE4MjY2_b93d13a0-eb0e-4f90-8326-1d6e9579bcc9">1.2</ix:nonFraction></ix:nonFraction></ix:nonFraction></ix:nonFraction></ix:nonFraction> million for each year of the next five years.</span></div></ix:continuation><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Accrued Liabilities</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfAccruedLiabilitiesTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODIz_a14ee45e-95da-40f2-97a8-9e331072a193" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following amounts by major classification are included in Accrued liabilities on the accompanying Consolidated Balance Sheets as of December 31 (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:60.763%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:17.968%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:17.969%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accrued employee compensation, benefits and withholdings</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:EmployeeRelatedLiabilitiesCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpkZmJiYWNkNzg2OGI0ZGU5OTA5MjhmMjc5ZDkwNDAzMS90YWJsZXJhbmdlOmRmYmJhY2Q3ODY4YjRkZTk5MDkyOGYyNzlkOTA0MDMxXzEtMS0xLTEtMA_ef6bfa12-b1e8-49ad-946c-6f76183e49af">74,387</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 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unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpkZmJiYWNkNzg2OGI0ZGU5OTA5MjhmMjc5ZDkwNDAzMS90YWJsZXJhbmdlOmRmYmJhY2Q3ODY4YjRkZTk5MDkyOGYyNzlkOTA0MDMxXzItMS0xLTEtMA_2b9ee609-5fbd-4d77-8e5b-a28e264e9070">50,874</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpkZmJiYWNkNzg2OGI0ZGU5OTA5MjhmMjc5ZDkwNDAzMS90YWJsZXJhbmdlOmRmYmJhY2Q3ODY4YjRkZTk5MDkyOGYyNzlkOTA0MDMxXzItMi0xLTEtMA_0377c39d-4052-4cc5-873b-43f4cd663bca">47,105</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Customer deposits and prepayments</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total accrued liabilities</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:AccruedLiabilitiesCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpkZmJiYWNkNzg2OGI0ZGU5OTA5MjhmMjc5ZDkwNDAzMS90YWJsZXJhbmdlOmRmYmJhY2Q3ODY4YjRkZTk5MDkyOGYyNzlkOTA0MDMxXzgtMS0xLTEtMA_fcd8053f-9305-49a9-aac1-259cd2272485">244,759</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:AccruedLiabilitiesCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpkZmJiYWNkNzg2OGI0ZGU5OTA5MjhmMjc5ZDkwNDAzMS90YWJsZXJhbmdlOmRmYmJhY2Q3ODY4YjRkZTk5MDkyOGYyNzlkOTA0MDMxXzgtMi0xLTEtMA_854475f7-8172-4594-b73c-8888566205e6">243,612</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:FairValueOfFinancialInstrumentsPolicy" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTAw_014c1c4e-91a8-4bd2-9f4b-7f2f99feb1b4" continuedAt="i6dd3317a6d654ec6ae226c96d80da2f0" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Fair Value Measurements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Financial Instruments</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We use the following fair value hierarchy for determining inputs for our financial instruments. Our assets and liabilities for financial instruments are classified and disclosed in one of the following fair value categories:</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Level 1</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> &#8212; Unadjusted quoted prices available in active markets that are accessible at the measurement date for identical unrestricted assets or liabilities. Level 1 instruments primarily consist of highly liquid and actively traded financial instruments with quoted pricing information on an ongoing basis.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Level 2</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> &#8212; Pricing inputs include quoted prices for identical or similar assets and liabilities in active markets other than quoted prices in Level 1, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability and inputs that are derived principally from or corroborated by observable market data by correlation or other means.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Level 3</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> &#8212; Pricing inputs are generally less observable from objective sources. These inputs reflect management&#8217;s best estimate of fair value using its own assumptions about the assumptions a market participant would use in pricing the asset or liability.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. Our assessment of the significance of a particular input to the fair value measurement requires judgment and may affect the placement within the fair value hierarchy levels. We record transfers, if necessary, between levels at the end of the reporting period for all of our financial instruments.</span></div></ix:nonNumeric></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">71</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div><span><br/></span></div><ix:continuation id="if30d24f44e1941f3810045e55727ed26" continuedAt="i0dd1d182efa8433baf333485d5a8978b"><ix:continuation id="i6dd3317a6d654ec6ae226c96d80da2f0"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Transfers into Level 3, if any, occur when significant inputs used to value the derivative instruments become less observable, such as a significant decrease in the frequency and volume in which the instrument is traded, negatively impacting the availability of observable pricing inputs. Transfers out of Level 3, if any, occur when the significant inputs become more observable, such as when the time between the valuation date and the delivery date of a transaction becomes shorter, positively impacting the availability of observable pricing inputs.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Valuation Methodologies for Derivatives</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The wholesale electric energy and natural gas commodity contracts for our Utilities are valued using the market approach and include forward strip pricing at liquid delivery points, exchange-traded futures, options, basis swaps and over-the-counter swaps and options (Level 2).  For exchange-traded futures, options and basis swap assets and liabilities, fair value was derived using broker quotes validated by the exchange settlement pricing for the applicable contract. For over-the-counter instruments, the fair value is obtained by utilizing a nationally recognized service that obtains observable inputs to compute the fair value, which we validate by comparing our valuation with the counterparty. The fair value of these swaps includes a CVA based on the credit spreads of the counterparties when we are in an unrealized gain position or on our own credit spread when we are in an unrealized loss position.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Additional information on fair value measurements is included in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_205">Notes 10</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> and </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_214">13</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div></ix:continuation><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:DerivativesPolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODI0_f174f139-5377-4f02-bd17-05b66a7b74ea" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Derivatives and Hedging Activities</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">All our derivatives are measured at fair value and recognized as either assets or liabilities on the Consolidated Balance Sheets, except for derivative contracts that qualify for and are elected under the normal purchase and normal sales exception. Normal purchases and normal sales are contracts where physical delivery is probable, quantities are expected to be used or sold in the normal course of business over a reasonable amount of time and pricing is clearly and closely related to the asset being purchased or sold.&#160;Normal purchase and sales contracts are recognized when the underlying physical transaction is completed under the accrual basis of accounting.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In addition, certain derivative contracts approved by regulatory authorities are either recovered or refunded through customer rates. Any changes in the fair value of these approved derivative contracts are deferred as a regulatory asset or regulatory liability pursuant to ASC 980, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Regulated Operations</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We also have some derivatives that qualify for hedge accounting and are designated as cash flow hedges. The gain or loss on these designated derivatives is deferred in AOCI and reclassified into earnings when the corresponding hedged transaction is recognized in earnings. Changes in the fair value of all other derivative contracts are recognized in earnings.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We utilize master netting agreements which consist of an agreement between two parties who have multiple contracts with each other that provide for the net settlement of all contracts in the event of default on or termination of any one contract. When the right of offset exists, accounting standards permit the netting of receivables and payables under a legally enforceable master netting agreement between counterparties. Accounting standards also permit offsetting of fair value amounts recognized for the right to reclaim, or the obligation to return, cash collateral against fair value amounts recognized for derivative instruments executed with the same counterparty. We reflect the offsetting of net derivative positions with fair value amounts for cash collateral with the same counterparty when a legal right of offset exists. Therefore, the gross amounts are not indicative of either our actual credit or net economic exposures.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See additional information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_202">Notes 9</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_205">10</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> and </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_208">11</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div></ix:nonNumeric><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:DebtPolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODM3_2e168d38-b1a1-4a12-96f4-7f20e0f31816" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Deferred Financing Costs</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Deferred financing costs include loan origination fees, underwriter fees, legal fees and other costs directly attributable to the issuance of debt. Deferred financing costs are amortized over the estimated useful life of the related debt. These costs are presented on the balance sheet as an adjustment to the related debt liabilities. See additional information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_196">Note 8</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div></ix:nonNumeric><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:PublicUtilitiesPolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1NzI1_0afdfd15-366c-4d49-bb21-92c99cd2794d" continuedAt="i74a09100b66248d98af50aff048cf47a" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Regulatory Accounting</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our regulated Electric Utilities and Gas Utilities are subject to cost-of-service regulation and earnings oversight from federal and state regulatory commissions. Our Electric and Gas Utilities account for income and expense items in accordance with  accounting standards for regulated operations. These accounting policies differ in some respects from those used by our non-regulated businesses. Under these regulated operations accounting standards:</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Certain costs, which would otherwise be charged to expense or OCI, are deferred as regulatory assets based on the expected ability to recover the costs in future rates.</span></div></ix:nonNumeric></ix:continuation><div style="padding-left:36pt"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">72</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><ix:continuation id="i0dd1d182efa8433baf333485d5a8978b" continuedAt="i87a25c7633174bd3b5045fa03a36e429"><ix:continuation id="i74a09100b66248d98af50aff048cf47a"><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Certain credits, which would otherwise be reflected as income or OCI, are deferred as regulatory liabilities based on the expectation the amounts will be returned to customers in future rates, or because the amounts were collected in rates prior to the costs being incurred.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Management continually assesses the probability of future recoveries and obligations associated with regulatory assets and liabilities. Factors such as the current regulatory environment, recently issued rate orders, and historical precedents are considered. As a result, we believe that the accounting prescribed under rate-based regulation remains appropriate and our regulatory assets are probable of recovery in current rates or in future rate proceedings.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">If changes in the regulatory environment occur, we may no longer be eligible to apply this accounting treatment, and may be required to eliminate regulatory assets and liabilities from our balance sheet. Such changes could adversely affect our results of operations, financial position or cash flows.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021 and 2020, we had total regulatory assets of $<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-6" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzI2MzUz_21095282-8a46-4c50-bfc6-dbbae8f2b7e1">797</ix:nonFraction> million and $<ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-6" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzI2MzYw_012e4f31-80aa-4a96-97e6-89894181f841">278</ix:nonFraction> million respectively, and total regulatory liabilities of $<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-6" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzI2NDEz_30debd3d-3335-4e39-a8dc-fbe09357222a">503</ix:nonFraction> million and $<ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-6" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzI2NDIw_cb17e745-054d-4a24-a749-87da20edd29d">533</ix:nonFraction> million respectively. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_175">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for further information.</span></div></ix:continuation><div style="padding-right:36pt"><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:IncomeTaxPolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODEx_9e68959b-b846-4727-b971-eb3755b3ba00" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Income Taxes</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Company and its subsidiaries file consolidated federal income tax returns. Each entity records both federal and state income taxes as if it were a separate taxpayer and consolidating expense adjustments are allocated to the subsidiaries based on separate company computations of taxable income or loss.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We use the asset and liability method in accounting for income taxes. Under the asset and liability method, deferred income taxes are recognized at currently enacted income tax rates, to reflect the tax effect of temporary differences between the financial and tax basis of assets and liabilities as well as operating loss and tax credit carryforwards. Such temporary differences are the result of provisions in the income tax law that either require or permit certain items to be reported on the income tax return in a different period than they are reported in the financial statements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">It is our policy to apply the flow-through method of accounting for ITCs. Under the flow-through method, ITCs are reflected in net income&#160;as a reduction to income tax expense in the year they qualify. An exception to this general policy is the deferral method, which applies to our regulated businesses. Such a method results in the ITC being amortized as a reduction to income tax expense over the estimated useful lives of the underlying property that gave rise to the credit.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We recognize interest income or interest expense and penalties related to income tax matters in Income tax benefit (expense) on the Consolidated Statements of Income.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We account for uncertainty in income taxes recognized in the financial statements in accordance with the accounting standards for income taxes. The unrecognized tax benefit is classified in Other deferred credits and other liabilities or in Deferred income tax liabilities, net on the accompanying Consolidated Balance Sheets.  See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_220">Note 15</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for additional information.</span></div></ix:nonNumeric><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:EarningsPerSharePolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODA1_78e98f9b-cb8e-4da6-8647-55163535a617" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Earnings per Share of Common Stock</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Basic earnings per share is computed by dividing Net income available for common stock by the weighted average number of common shares outstanding during each year. Diluted earnings per share is computed by including all dilutive common shares outstanding during each year. Diluted common shares are primarily due to equity units, outstanding stock options, restricted stock and performance shares under our equity compensation plans.</span></div></ix:nonNumeric><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTYw_94a602d6-c52d-4e4d-8823-00daf08458c6" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A reconciliation of share amounts used to compute earnings per share is as follows for the years ended December 31 (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:49.483%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.372%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.372%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.373%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:NetIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTplMTViNWZkMzg0YjY0YTQ4ODdiZWQ4NGUyNTE4ZGJjNy90YWJsZXJhbmdlOmUxNWI1ZmQzODRiNjRhNDg4N2JlZDg0ZTI1MThkYmM3XzItMS0xLTEtMA_c0ca1991-1397-4cfa-b0f3-6e986ea070e3">236,744</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:NetIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTplMTViNWZkMzg0YjY0YTQ4ODdiZWQ4NGUyNTE4ZGJjNy90YWJsZXJhbmdlOmUxNWI1ZmQzODRiNjRhNDg4N2JlZDg0ZTI1MThkYmM3XzItMi0xLTEtMA_2023935a-f223-40dd-8c84-5e6bb56d6353">227,608</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:NetIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTplMTViNWZkMzg0YjY0YTQ4ODdiZWQ4NGUyNTE4ZGJjNy90YWJsZXJhbmdlOmUxNWI1ZmQzODRiNjRhNDg4N2JlZDg0ZTI1MThkYmM3XzItMy0xLTEtMA_862b304a-28b9-420b-86d1-2fbbbc836189">199,310</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted average shares - basic</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTplMTViNWZkMzg0YjY0YTQ4ODdiZWQ4NGUyNTE4ZGJjNy90YWJsZXJhbmdlOmUxNWI1ZmQzODRiNjRhNDg4N2JlZDg0ZTI1MThkYmM3XzQtMS0xLTEtMA_8cc76bb3-242b-4a20-b9a3-08d5296fc61b">63,219</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTplMTViNWZkMzg0YjY0YTQ4ODdiZWQ4NGUyNTE4ZGJjNy90YWJsZXJhbmdlOmUxNWI1ZmQzODRiNjRhNDg4N2JlZDg0ZTI1MThkYmM3XzQtMi0xLTEtMA_e7971a63-1ce9-4487-96a7-7664ae8b1864">62,378</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTplMTViNWZkMzg0YjY0YTQ4ODdiZWQ4NGUyNTE4ZGJjNy90YWJsZXJhbmdlOmUxNWI1ZmQzODRiNjRhNDg4N2JlZDg0ZTI1MThkYmM3XzQtMy0xLTEtMA_867b0d7f-2f0c-46d5-b62c-c50593c785a8">60,662</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Dilutive effect of:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Equity compensation</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTplMTViNWZkMzg0YjY0YTQ4ODdiZWQ4NGUyNTE4ZGJjNy90YWJsZXJhbmdlOmUxNWI1ZmQzODRiNjRhNDg4N2JlZDg0ZTI1MThkYmM3XzctMS0xLTEtMA_27d63e65-33f5-4051-9aad-f3f3dcafa645">106</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTplMTViNWZkMzg0YjY0YTQ4ODdiZWQ4NGUyNTE4ZGJjNy90YWJsZXJhbmdlOmUxNWI1ZmQzODRiNjRhNDg4N2JlZDg0ZTI1MThkYmM3XzctMi0xLTEtMA_855583df-f29d-4c67-9a2a-809d7fde5543">61</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTplMTViNWZkMzg0YjY0YTQ4ODdiZWQ4NGUyNTE4ZGJjNy90YWJsZXJhbmdlOmUxNWI1ZmQzODRiNjRhNDg4N2JlZDg0ZTI1MThkYmM3XzctMy0xLTEtMA_623aed73-2fc2-41b5-826a-f5870b42a3e4">136</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted average shares - diluted</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTplMTViNWZkMzg0YjY0YTQ4ODdiZWQ4NGUyNTE4ZGJjNy90YWJsZXJhbmdlOmUxNWI1ZmQzODRiNjRhNDg4N2JlZDg0ZTI1MThkYmM3XzgtMS0xLTEtMA_679eed35-600a-4258-9196-d161ec1dc0f8">63,325</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTplMTViNWZkMzg0YjY0YTQ4ODdiZWQ4NGUyNTE4ZGJjNy90YWJsZXJhbmdlOmUxNWI1ZmQzODRiNjRhNDg4N2JlZDg0ZTI1MThkYmM3XzgtMi0xLTEtMA_62f409a9-0c11-47c7-ad46-3b6f27b3ce4f">62,439</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTplMTViNWZkMzg0YjY0YTQ4ODdiZWQ4NGUyNTE4ZGJjNy90YWJsZXJhbmdlOmUxNWI1ZmQzODRiNjRhNDg4N2JlZDg0ZTI1MThkYmM3XzgtMy0xLTEtMA_1ca789b4-52ed-43c2-a938-86ef5f06a53a">60,798</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock, per share - Diluted</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTplMTViNWZkMzg0YjY0YTQ4ODdiZWQ4NGUyNTE4ZGJjNy90YWJsZXJhbmdlOmUxNWI1ZmQzODRiNjRhNDg4N2JlZDg0ZTI1MThkYmM3XzEwLTEtMS0xLTA_049c5152-7ada-41d0-8549-3df31ff6c007">3.74</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTplMTViNWZkMzg0YjY0YTQ4ODdiZWQ4NGUyNTE4ZGJjNy90YWJsZXJhbmdlOmUxNWI1ZmQzODRiNjRhNDg4N2JlZDg0ZTI1MThkYmM3XzEwLTItMS0xLTA_59f0cd24-da08-4224-8ba3-414dbacf17bd">3.65</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="2" name="us-gaap:EarningsPerShareDiluted" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTplMTViNWZkMzg0YjY0YTQ4ODdiZWQ4NGUyNTE4ZGJjNy90YWJsZXJhbmdlOmUxNWI1ZmQzODRiNjRhNDg4N2JlZDg0ZTI1MThkYmM3XzEwLTMtMS0xLTA_5be4882b-a9c6-45c9-b880-beadfb5e673c">3.28</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">73</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><ix:continuation id="i87a25c7633174bd3b5045fa03a36e429"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTIy_5a485cab-3cdb-4bba-9d5d-4514b3016e0d" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following securities were excluded from the diluted earnings per share computation for the years ended December 31 because of their anti-dilutive nature (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:49.483%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.372%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.372%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.373%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr style="height:15pt"><td colspan="3" 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Anti-dilutive shares excluded from computation of earnings per share</span></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" scale="3" 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name="us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTo4ZWM1ZWM1ODUzZTE0NDIyYWQ2OTY4ZGRiOGFjMGMwMy90YWJsZXJhbmdlOjhlYzVlYzU4NTNlMTQ0MjJhZDY5NjhkZGI4YWMwYzAzXzUtMi0xLTEtMA_6744f67b-07d5-40cb-9896-a86f9d8a0f3e">60</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTo4ZWM1ZWM1ODUzZTE0NDIyYWQ2OTY4ZGRiOGFjMGMwMy90YWJsZXJhbmdlOjhlYzVlYzU4NTNlMTQ0MjJhZDY5NjhkZGI4YWMwYzAzXzUtMy0xLTEtMA_b132d170-1b1f-4c03-a831-8a71f7d8eb8e">1</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ConsolidationSubsidiariesOrOtherInvestmentsConsolidatedEntitiesPolicy" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODM4_5dc459c2-a7e3-4476-ab18-2390b508538c" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Non-controlling Interests</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We account for changes in our controlling interests of subsidiaries according to ASC 810</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">, Consolidation. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">ASC 810 requires that the Company record such changes as equity transactions, recording no gain or loss on such a sale. GAAP requires that non-controlling interests in subsidiaries and affiliates be reported in the equity section of a company&#8217;s balance sheet. In addition, the amounts attributable to the non-controlling interest net income (loss) of those subsidiaries are reported separately in the consolidated statements of income and comprehensive income. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_211">Note 12</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for additional detail on non-controlling interests.</span></div></ix:nonNumeric><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:CompensationRelatedCostsPolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODA3_b60f7fd1-ac88-4f1a-8809-e95bccf198f6" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Share-Based Compensation</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We account for our share-based compensation arrangements in accordance with ASC 718, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Compensation-Stock Compensation</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, by recognizing compensation costs for all share-based awards over the respective service period for employee services received in exchange for an award of equity or equity-based compensation. Awards that will be settled in stock are accounted for as equity and the compensation expense is based on the grant date fair value. Awards that are settled in cash are accounted for as liabilities and the compensation expense is re-measured each period based on the current market price and performance achievement measures. See additional information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_217">Note 14</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div></ix:nonNumeric><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODQw_6d24deea-1b3b-424c-aecc-a43b822b6abb" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Recently Issued Accounting Standards</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Facilitation of the Effects of Reference Rate Reform on Financial Reporting, ASU 2020-04</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In March 2020, the FASB issued ASU 2020-04, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, which was subsequently amended by ASU 2021-01. The standard provides relief for companies preparing for discontinuation of interest rates, such as LIBOR, and allows optional expedients and exceptions for applying GAAP to contracts, hedging relationships and other transactions affected by reference rate reform if certain criteria are met. The amendments in this update are elective and are effective upon the ASU issuance through December 31, 2022. We are currently evaluating if we will apply the optional guidance as we assess the impact of the discontinuance of LIBOR on our current arrangements and the potential impact on our financial position, results of operations and cash flows.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Recently Adopted Accounting Standards</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Simplifying the Accounting for Income Taxes, ASU 2019-12</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In December 2019, the FASB issued ASU 2019-12, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Simplifying the Accounting for Income Taxes</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> as part of its overall simplification initiative to reduce costs and complexity in applying accounting standards while maintaining or improving the usefulness of the information provided to users of the financial statements. Amendments include removal of certain exceptions to the general principles of ASC 740,</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"> Income Taxes</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, and simplification in several other areas such as accounting for a franchise tax (or similar tax) that is partially based on income. We adopted this standard prospectively on January 1, 2021. Adoption of this standard did not have an impact on our financial position, results of operations or cash flows.</span></div></ix:nonNumeric></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">74</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_175"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(2)&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzE2NDkyNjc0Nzg2NTA_666500a8-b2ec-4cbc-b633-76f1d89f04d4" continuedAt="i74c13c8ab61145c0b8040b11e5c16e38" escape="true">REGULATORY MATTERS</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="i74c13c8ab61145c0b8040b11e5c16e38" continuedAt="id28b5a6243994e498e737c68c1bb30e8"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="bkh:ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzE0NzU3_2ff8cbe3-5516-4af7-8db0-e5eaf90adda6" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We had the following regulatory assets and liabilities as of December 31 (in thousands):</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:65.859%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.420%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.421%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Regulatory assets</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Winter Storm Uri</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span 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style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8fa4e43e533340fea37f05f3d64aae2d_I20201231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzQtMy0xLTEtODMwMzM_2440e03c-626f-41b6-8880-b76dd573edca">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred energy and fuel cost adjustments </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id20b12cfcda44288b6ccce70987bcde8_I20211231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzQtMi0xLTEtMA_cced0e80-5840-468b-81d5-c3c003c8a2b1">59,973</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i42cba3b683324363845bdbaedf421073_I20201231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" 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style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i04475df6217744cfad1a37d0ffa8fab1_I20211231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzUtMi0xLTEtMA_27652f68-1c3e-4d25-859c-9aff6cdff382">9,488</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib75f525dac364d85b28e551c3297d0b1_I20201231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzUtMy0xLTEtMA_142d9aac-e3bd-4a7c-99f4-e6c8503f28be">3,200</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas price derivatives </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia16998d1fcd14f98a4441e0b64d45aa6_I20211231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzYtMi0xLTEtMA_5e33a52c-b31f-442b-add8-a29329018ca5">2,584</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i694318226595481589eeddb60a99f8f4_I20201231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzYtMy0xLTEtMA_30853579-aac7-4382-927c-d2414432dd65">2,226</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred taxes on AFUDC</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="icd5a340de7e14aab93cb525bb1720f9e_I20211231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzctMi0xLTEtMA_b25e7932-a525-41de-a3f6-17407e652619">7,457</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic83307fea6f24fe581740e438ca22676_I20201231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzctMy0xLTEtMA_d25b939f-19cb-48da-9c7c-777455884c60">7,491</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Employee benefit plans and related deferred taxes </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if46e6d97166847839769f3ec24c2c336_I20211231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzgtMi0xLTEtMA_35b5d08a-1fc0-40f3-bc61-7e1d9c01db30">88,923</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ide48d173ca73409dafc311554a684ac3_I20201231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" 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style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8f9d9dea2efa440890dfb6d8a76f4aa6_I20211231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzktMi0xLTEtMA_a1614270-329e-4760-95b2-1b45f489074b">1,385</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0ac3584d6ef3466991baefcba63c693b_I20201231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzktMy0xLTEtMA_14675154-8968-4982-8e36-ac571299efa3">1,413</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Loss on reacquired debt </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i89d5b201b37a4d66a39e8f0d49dec0a8_I20211231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzExLTItMS0xLTA_0b939568-d48e-486c-ac6f-2b2bacb1ef54">21,011</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i07a470b73a7f45f69a7788055f47a68d_I20201231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzExLTMtMS0xLTA_62ad2293-52ef-475f-b76f-cec23f269d4d">22,864</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred taxes on flow-through accounting</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8a3e4d1711a64f41aef434f80cfffae7_I20211231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzEzLTItMS0xLTA_5255e194-e37b-412a-8fe4-3fdc746a0324">63,243</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 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1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Decommissioning costs </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i36d966f63e4b4483b424497255b3e4c0_I20211231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzE0LTItMS0xLTA_30096565-fb3e-40a1-99a2-4617101384b3">5,961</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if420237556ee44e0a566871923f461bf_I20201231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzE0LTMtMS0xLTA_890209f0-d53c-4a88-9134-452841928fe8">8,988</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas supply contract termination </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if4de9e6e79ba48488fdc7b8171148675_I20211231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzE1LTItMS0xLTA_dd179352-6f73-4847-8d84-5d87bbf22000">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibecfb9c85a7b47f1be01e2297eb09afe_I20201231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzE1LTMtMS0xLTA_112cbee3-e192-41f4-92f0-ed2d264abee5">2,524</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other regulatory assets</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if0646e4d42b3499a93033df749410e52_I20211231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzE2LTItMS0xLTA_122f26b4-26af-4e45-8d69-d4077288a9ff">27,549</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i55fae73874404f44ae1ca9e55eef511f_I20201231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzE2LTMtMS0xLTA_261fa355-9115-4faf-89dc-5800fd93f907">26,404</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total regulatory assets</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction 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contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzE3LTMtMS0xLTA_460d4932-4b3b-423d-8ac4-af26ee78aeb8">278,258</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less current regulatory assets</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:RegulatoryAssetsCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzE4LTMtMS0xLTA_2721795f-9794-4120-a2ab-e275b302f813">51,676</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory assets, 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:RegulatoryAssetsNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzE5LTMtMS0xLTA_2812f1b3-1a33-4a6d-9acf-38412a9332d9">226,582</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"></td><td 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style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i44b1a0c12504499eade0273b18c706ee_I20211231" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzIyLTItMS0xLTA_50ff070e-cea8-4784-8383-058ed83de81b">6,113</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i19be31981a4943b4a2541f5acd892515_I20201231" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzIyLTMtMS0xLTA_e4e44621-1f3d-47ad-8114-dbfb5cc6de7c">13,253</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Employee benefit plan costs and related deferred taxes </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c) </span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i581db271fbcf4aeeb115cebe93cdf7d3_I20211231" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzIzLTItMS0xLTA_e583a31f-66d6-4591-94fe-8e4c7339e6ce">32,241</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7176d6263d0b4be4bb578b443f1097e0_I20201231" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzIzLTMtMS0xLTA_d6a03966-4838-43dd-9939-5941283cfac7">40,256</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cost of removal</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i89e7a556c88043e4b940c5eb618670da_I20211231" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzI0LTItMS0xLTA_903d18d4-daeb-4b18-865e-9b84755c5c70">179,976</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie25289b0490b4ca58e625a3870471cc5_I20201231" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzI0LTMtMS0xLTA_3cb7aa13-3638-4b8f-9cbd-930d43bf38d6">172,902</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Excess deferred income taxes </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i26eb33cfbb554fd0835f72b13d2ecfdf_I20211231" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzI1LTItMS0xLTA_17ac0ed4-c877-40a0-8cb6-adde570e0e41">264,042</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9e60d40038c54fa4a107b5095eb9ba3d_I20201231" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzI1LTMtMS0xLTA_36e940ad-b907-488d-ae6a-dd1faffb5368">285,259</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other regulatory liabilities</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (c)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i774a3a70aba24a2387cce2b4513a13e7_I20211231" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzI2LTItMS0xLTA_6e9a8c11-0056-48bb-8b88-b4f81f293f35">20,579</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2bb5d8f450dc4db3bfc3bc44e8076cdb_I20201231" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzI2LTMtMS0xLTA_c0e55a83-3f70-4550-9493-05492941cdd5">21,050</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total regulatory liabilities</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzI3LTItMS0xLTA_3ab25307-f608-49d9-9baa-0c3154f9abf9">502,951</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzI3LTMtMS0xLTA_bc324784-65de-49f5-a57c-07ebe2cbfe6b">532,720</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less current regulatory liabilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:RegulatoryLiabilityCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzI4LTItMS0xLTA_2fbfd0a0-3802-4c60-bfb6-4a04aacf544a">17,574</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:RegulatoryLiabilityCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzI4LTMtMS0xLTA_270fc584-5b35-4ef7-a5c4-94e464c82f5c">25,061</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory liabilities, non-current</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:RegulatoryLiabilityNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzI5LTItMS0xLTA_63b13142-c9f1-4c51-80b9-197c0bee97ea">485,377</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:RegulatoryLiabilityNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90YWJsZTo4YzY1MDQ5MTQyMjA0ODdhYTYzZDlkZmI4YTRiNmY4Yy90YWJsZXJhbmdlOjhjNjUwNDkxNDIyMDQ4N2FhNjNkOWRmYjhhNGI2ZjhjXzI5LTMtMS0xLTA_7c411d79-6087-4143-81bd-8f48e6d7a1f5">507,659</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">_____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Timing of Winter Storm Uri incremental cost recovery and associated carrying costs vary by jurisdiction and some jurisdictions are still subject to pending applications with the respective utility commission. See further information below.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;Recovery of costs, but we are not allowed a rate of return.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;In addition to recovery or repayment of costs, we are allowed a return on a portion of this amount or a reduction in rate base.</span></div></ix:nonNumeric><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Regulatory assets represent items we expect to recover from customers through probable future rates.</span></div><div><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Winter Storm Uri</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - See discussion below for Winter Storm Uri regulatory asset information.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Deferred Energy and Fuel Cost Adjustments</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Deferred energy and fuel cost adjustments represent the cost of electricity delivered to our Electric Utilities&#8217; customers that is either higher or lower than the current rates and will be recovered or refunded in future rates. Deferred energy and fuel cost adjustments are recorded and recovered or amortized as approved by the appropriate state regulatory commission. Our Electric Utilities file periodic quarterly, semi-annual and/or annual filings to recover these costs based on the respective cost mechanisms approved by their applicable state regulatory commissions. The recovery period for these costs is less than a year.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Deferred Gas Cost Adjustment</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">s - Our regulated Gas Utilities have GCA provisions that allow them to pass the cost of gas on to their customers. The GCA is based on forecasts of the upcoming gas costs and recovery or refund of prior under-recovered or over-recovered costs. To the extent that gas costs are under-recovered or over-recovered, they are recorded as a regulatory asset or liability, respectively. Our Gas Utilities file periodic estimates of future gas costs based on market forecasts with state regulatory commissions. The recovery period for these costs is less than a year.</span></div></ix:continuation><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">75</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><ix:continuation id="id28b5a6243994e498e737c68c1bb30e8" continuedAt="i77c6289ab14a45dcaa5c42d0e6337dca"><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Gas Price Derivatives</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Our regulated Gas Utilities, as allowed or required by state regulatory commissions, have entered into certain exchange-traded natural gas futures and options to reduce our customers&#8217; underlying exposure to fluctuations in gas prices. Gas price derivatives represent our unrealized positions on our commodity contracts supporting our utilities. Gas price derivatives at December 31, 2021 are hedged over a maximum forward term of <ix:nonNumeric contextRef="i95c1e68a685b405096d1800124865eb2_D20210101-20211231" name="us-gaap:DerivativeTermOfContract" format="ixt-sec:durwordsen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIyMDE_a4e932c7-388c-4233-8757-5c6ae70a193b">two years</ix:nonNumeric>.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Deferred Taxes on AFUDC</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - The equity component of AFUDC is considered a permanent difference for tax purposes with the tax benefit being flowed through to customers as prescribed or allowed by regulators. If, based on a regulator&#8217;s action, it is probable the utility will recover the future increase in taxes payable represented by this flow-through treatment through a rate revenue increase, a regulatory asset is recognized. This regulatory asset is a temporary difference for which a deferred tax liability must be recognized. Accounting standards for income taxes specifically address AFUDC-equity and require a gross-up of such amounts to reflect the revenue requirement associated with a rate-regulated environment.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Employee Benefit Plans and Related Deferred Taxes</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Employee benefit plans include the unrecognized prior service costs and net actuarial loss associated with our defined benefit pension plan and post-retirement benefit plans in regulatory assets rather than in AOCI. In addition, this regulatory asset includes the income tax effect of the adjustment required under accounting for compensation - defined benefit plans, to record the full pension and post-retirement benefit obligations. Such income tax effect has been grossed-up to account for the revenue requirement associated with a rate regulated environment.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Environmental </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">- Environmental costs associated with certain former manufactured gas plant sites. These costs are first offset by recognition of insurance proceeds and settlements with other third parties. Any remaining cost will be requested for recovery in future rate filings. Recovery for these specific environmental costs has not yet been approved by the applicable state regulatory commission and therefore, the recovery period is unknown at this time.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Loss on Reacquired Debt</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Loss on reacquired debt is recovered over the remaining life of the original issue or, if refinanced, over the life of the new issue.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Deferred Taxes on Flow-Through Accounting</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Under flow-through accounting, the income tax effects of certain tax items are reflected in our cost of service for the customer and result in lower utility rates in the year in which the tax benefits are realized. A regulatory asset was established to reflect that future increases in income taxes payable will be recovered from customers as the temporary differences reverse. As a result of this regulatory treatment, we continue to record a tax benefit for costs considered currently deductible for tax purposes, but are capitalized for book purposes.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Decommissioning Costs</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - South Dakota Electric and Colorado Electric received approval in 2014 for recovery of the remaining net book values and decommissioning costs of their decommissioned coal plants. In 2018, Arkansas Gas received approval to record Liquefied Natural Gas Plant decommissioning costs as a regulatory asset and received approval in 2020 to begin recovering those costs over <ix:nonNumeric contextRef="i6dab0fdd998f4d3e88f13e21af9e2654_D20200101-20201231" name="us-gaap:RegulatoryAssetAmortizationPeriod" format="ixt-sec:durwordsen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzU2NDY_156885e2-5c39-488a-9d0a-ac79a1febf05">three years</ix:nonNumeric>.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Gas Supply Contract Termination</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - With the 2016 SourceGas acquisition, we assumed agreements requiring the Company to purchase all of the natural gas produced over the productive life of specific leaseholds in the Bowdoin Field in Montana. The prices to be paid under these agreements exceeded market prices at the time of acquisition. We received state utility commission approvals to terminate these agreements and Orders allowing us to create a regulatory asset for the net contract buyout costs with recovery over <ix:nonNumeric contextRef="i3e82fbfd0e894c968283a1d4021be81a_D20160429-20160429" name="us-gaap:RegulatoryAssetAmortizationPeriod" format="ixt-sec:durwordsen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzY2Nzg_8e50ea99-935a-4b8d-bf32-086eaa5831e2">five years</ix:nonNumeric>. We terminated the contract and settled the liability on April 29, 2016.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Regulatory liabilities represent items we expect to refund to customers through probable future decreases in rates.</span></div><div><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Deferred Energy and Gas Costs</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"> -</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> Deferred energy and gas costs that have been over-recovered through customer rates and will be returned to customers in future periods.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Employee Benefit Plan Costs and Related Deferred Taxes</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"> -</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> Employee benefit plans represent the cumulative excess of pension and retiree healthcare costs recovered in rates over pension expense recorded in accordance with accounting standards for compensation - retirement benefits. In addition, this regulatory liability includes the income tax effect of the adjustment required under accounting for compensation - defined benefit plans, to record the full pension and post-retirement benefit obligations. Such income tax effect has been grossed-up to account for the revenue requirement associated with a rate regulated environment.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Cost of Removal</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"> -</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> Cost of removal represents the estimated cumulative net provisions for future removal costs for which there is no legal obligation for removal included in depreciation expense.</span></div></ix:continuation><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">76</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><ix:continuation id="i77c6289ab14a45dcaa5c42d0e6337dca" continuedAt="i170dc23319a54d5e817614b011822ce5"><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Excess Deferred Income Taxes</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - The revaluation of the regulated utilities' deferred tax assets and liabilities due to the passage of the TCJA was recorded as an excess deferred income tax to be refunded to customers primarily using the normalization principles as prescribed in the TCJA. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_220">Note 15</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for additional information.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline">Recent Regulatory Activity</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Winter Storm Uri</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In February 2021, a prolonged period of historic cold temperatures across the central United States covered all of our Utilities&#8217; service territories, caused a substantial increase in heating and energy demand and contributed to unforeseeable and unprecedented market prices for natural gas and electricity. As a result of Winter Storm Uri, we incurred significant incremental fuel, purchased power and natural gas costs.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Utilities submitted Winter Storm Uri cost recovery applications in our state jurisdictions seeking to recover $<ix:nonFraction unitRef="usd" contextRef="i65c3832c7675454ea0f88ad410ad96bd_I20211231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzE2NDkyNjc0Nzg1NTA_e349b069-25b5-4f77-aec4-f8cc30d12da1">546</ix:nonFraction>&#160;million of these incremental costs through separate tracking mechanisms over a weighted-average recovery period of <ix:nonNumeric contextRef="ia3ed2f809837497bade0395ddfda32dd_D20210101-20211231" name="us-gaap:RegulatoryAssetAmortizationPeriod" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzE2NDkyNjc0Nzg1NjM_f4b1b7a5-55f2-4c70-9c03-f974bdba95cd">3.5</ix:nonNumeric> years. These incremental cost estimates are subject to adjustments as final decisions are issued by the respective utility commissions. In these applications, we sought approval to recover carrying costs. For the year ended December 31, 2021, $<ix:nonFraction unitRef="usd" contextRef="ic8eb4c89ccec4117a08eda1304e83b33_I20211231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzE2NDkyNjc0Nzg1ODk_477fcc79-73bc-4bed-a486-f01a16aee769">4.1</ix:nonFraction>&#160;million of carrying costs were accrued and recorded to a regulatory asset. We are also seeking recovery of $<ix:nonFraction unitRef="usd" contextRef="id7115419ce544608a1373d48fdf55ad3_I20211231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzE2NDkyNjc0Nzg1Nzc_113d0da9-2ad9-47ef-abd9-34645d9a06ea">13</ix:nonFraction>&#160;million of previously disclosed Winter Storm Uri incremental costs through our existing regulatory mechanisms.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">To date, Iowa Gas, Kansas Gas, Nebraska Gas and South Dakota Electric received commission approval for Winter Storm Uri cost recovery. Additionally, Arkansas Gas and Wyoming Gas received approval for interim cost recovery subject to a final decision on carrying costs and recovery periods at a later date. Colorado Gas and Colorado Electric filed settlement agreements for their applications with final rates to be implemented in 2022. These settlements are subject to final approval by the CPUC. For the year ended December 31, 2021, our Utilities collected $<ix:nonFraction unitRef="usd" contextRef="i0def3b8f8fa2448dabab6ec58a2474fc_D20210101-20211231" decimals="-3" name="bkh:AmountRecoveredThroughRegulatoryMechanism" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzE2NDkyNjc0Nzg2MDU_a8106cd0-4732-4dac-b3da-41b7aa022150">40</ix:nonFraction>&#160;million of Winter Storm Uri incremental costs and carrying costs from customers.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">TCJA</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On December 22, 2017, the U.S. government enacted comprehensive tax legislation commonly referred to as the TCJA.  The TCJA reduced the U.S. federal corporate tax rate from 35% to 21%.  As such, the Company remeasured our deferred income taxes at the 21% federal tax rate as of December 31, 2017. In 2018 and 2019, the Company successfully delivered several of these tax benefits from the TCJA to its utility customers.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In 2020, regulatory proceedings resolved the last of the Company&#8217;s open dockets seeking approval of its TCJA plans. As a result, the Company relieved certain TCJA-related liabilities, which resulted in an increase to net income for the year ended December 31, 2020 of $<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-5" name="bkh:BenefitFromRelievedTCJARelatedLiabilities" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIxOTkwMjMyOTI2NzU_aebeb301-0a32-44c3-8730-28977f503e3c">4.0</ix:nonFraction>&#160;million.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On December 30, 2020, an administrative law judge approved a settlement of Colorado Electric&#8217;s plan to provide $<ix:nonFraction unitRef="usd" contextRef="i9d861725f7874805934d35e56e5aa90f_I20201230" decimals="-5" name="bkh:SettlementOfPlanToProvideTCJARelatedCustomerBillingCreditsToItsCustomers" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzE2NDkyNjc0Nzg2MjM_8c478a4c-c0a7-449d-b93c-68c8ca5c2893">9.3</ix:nonFraction>&#160;million of TCJA-related bill credits to its customers. The bill credits, which represent a disposition of excess deferred income tax benefits resulting from the TCJA, were delivered to customers in February 2021. The settlement agreement further provided for Colorado Electric to deliver annual bill credits to customers, starting in April 2021, until remaining excess deferred income tax regulatory liabilities associated with the TCJA are fully amortized. In April 2021, Colorado Electric delivered $<ix:nonFraction unitRef="usd" contextRef="if95292194e5f473689342124f7963aca_D20210401-20210430" decimals="-3" name="bkh:AnnualTCJARelatedCustomerBillingCredits" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzE2NDkyNjc0Nzg2Mzc_18ee73d4-2740-4c81-9b1c-5d15b954ce1f">0.9</ix:nonFraction>&#160;million of TCJA-related bill credits to customers.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On January 26, 2021, the NPSC approved Nebraska Gas&#8217;s plan to provide $<ix:nonFraction unitRef="usd" contextRef="i0bc8fc1187244f469018caec42ada60a_I20210126" decimals="-5" name="bkh:SettlementOfPlanToProvideTCJARelatedCustomerBillingCreditsToItsCustomers" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIxOTkwMjMyOTI1NDA_f46404d0-b956-4952-9ab0-45eedd84998c">2.9</ix:nonFraction>&#160;million of TCJA-related bill credits to its customers. The bill credits, which represent a disposition of excess deferred income tax benefits resulting from the TCJA, were delivered to customers in June 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">These Colorado Electric and Nebraska Gas bill credits, which resulted in a reduction in revenue, were offset by a reduction in income tax expense and resulted in a minimal impact to Net income for the year ended December 31, 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As part of the 2021 rate review settlement agreement discussed further below, Kansas Gas will deliver $<ix:nonFraction unitRef="usd" contextRef="ic33c04a123de45b28390de8db1bf158e_I20220101" decimals="-3" name="bkh:SettlementOfPlanToProvideTCJAAndStateTaxReformBenefitsToCustomersAnnually" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIxOTkwMjMyOTI1NTQ_b0a8911e-3b0c-4949-ad84-4e2371515089">3.0</ix:nonFraction>&#160;million of TCJA and state tax reform benefits to customers, annually, for each of the next three years starting in 2022 (approximately $<ix:nonFraction unitRef="usd" contextRef="ic33c04a123de45b28390de8db1bf158e_I20220101" decimals="-3" name="bkh:SettlementTotalOfPlanToProvideTCJAAndStateTaxReformBenefitsToCustomers" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIxOTkwMjMyOTI1Njg_fd72424a-6314-4fce-a84d-122904763b3d">9.1</ix:nonFraction>&#160;million of total benefits expected to be delivered).</span></div></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">77</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div><span><br/></span></div><ix:continuation id="i170dc23319a54d5e817614b011822ce5" continuedAt="i38857d2594844957a9c5fd77b966a3a5"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Arkansas Gas</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On December 10, 2021, Arkansas Gas filed a rate review with the APSC seeking recovery of significant infrastructure investments in its <ix:nonFraction unitRef="mi" contextRef="i7f82ae8216b244cbae5ca35b2b728994_I20211210" decimals="INF" name="bkh:PublicUtilitiesLengthOfNaturalGasPipelineToReceiveInfrastructureInvestments" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIxOTkwMjMzMjczMjQ_ed4d0c5f-63ee-48db-8514-ead0ec23b1e8">7,200</ix:nonFraction>-mile natural gas pipeline system. The rate review requests $<ix:nonFraction unitRef="usd" contextRef="iae412a79a2184cfab9548b9ffd706a6e_D20211210-20211210" decimals="-6" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreaseAmount" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIxOTkwMjMzMjczMTE_4f1dbd1a-503f-4ce4-a5c7-15ede950a28e">22</ix:nonFraction>&#160;million in new annual revenue with a capital structure of <ix:nonFraction unitRef="number" contextRef="iae412a79a2184cfab9548b9ffd706a6e_D20211210-20211210" decimals="INF" name="us-gaap:PublicUtilitiesApprovedEquityCapitalStructurePercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIxOTkwMjMzMjczMzE_7cf45a2c-20ef-418d-bded-0107c99143f8">50.9</ix:nonFraction>% equity and <ix:nonFraction unitRef="number" contextRef="iae412a79a2184cfab9548b9ffd706a6e_D20211210-20211210" decimals="INF" name="us-gaap:PublicUtilitiesApprovedDebtCapitalStructurePercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIxOTkwMjMzMjczMzg_7fd55335-75fc-4ef6-974c-69ef35141cfa">49.1</ix:nonFraction>% debt and a return on equity of <ix:nonFraction unitRef="number" contextRef="iae412a79a2184cfab9548b9ffd706a6e_D20211210-20211210" decimals="INF" name="us-gaap:PublicUtilitiesRequestedReturnOnEquityPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIxOTkwMjMzMjczNDU_ada3c1d4-7db1-4c1c-93ae-3d3acea7c90e">10.2</ix:nonFraction>%. The request seeks to finalize rates in the fourth quarter of 2022.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Colorado Gas</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Rate Reviews and SSIR</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On June 1, 2021, Colorado Gas filed a rate review with the CPUC seeking recovery of significant infrastructure investments in its <ix:nonFraction unitRef="mi" contextRef="iec08cce41d074f28a49111dde684dd5c_I20211231" decimals="INF" name="bkh:PublicUtilitiesLengthOfNaturalGasPipelineToReceiveInfrastructureInvestments" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzM4NDgyOTA3Mjg4MzQ_fa2de629-2b72-4216-8452-f2b5c123406b">7,000</ix:nonFraction>-mile natural gas pipeline system. In the fourth quarter of 2021, Colorado Gas reached a settlement agreement with the CPUC staff and various intervenors for a general rate increase, which was subsequently approved by an administrative law judge. N</span><span style="color:#242424;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">ew rates were effective January 1, 2022, and the settlement is expected to generate $<ix:nonFraction unitRef="usd" contextRef="ia9b341e58d3648fc9126d6501c230f3d_D20211231-20211231" decimals="-3" name="us-gaap:PublicUtilitiesApprovedRateIncreaseDecreaseAmount" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzM4NDgyOTA3MjkxNDQ_66ea7691-53fd-4924-88de-56309191a295">6.5</ix:nonFraction>&#160;million of new annual revenue. The new revenue is based on a return on equity of <ix:nonFraction unitRef="number" contextRef="ia9b341e58d3648fc9126d6501c230f3d_D20211231-20211231" decimals="INF" name="us-gaap:PublicUtilitiesApprovedReturnOnEquityPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzM4NDgyOTA3MjkyNjI_8c894ced-86ac-49ea-a4f2-fac71df12443">9.2</ix:nonFraction>% and a capital structure of <ix:nonFraction unitRef="number" contextRef="ia9b341e58d3648fc9126d6501c230f3d_D20211231-20211231" decimals="INF" name="us-gaap:PublicUtilitiesApprovedEquityCapitalStructurePercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzM4NDgyOTA3MjkyOTM_5d2a33a4-9403-4a47-8559-455cc49155d5">50.3</ix:nonFraction>% equity and <ix:nonFraction unitRef="number" contextRef="ia9b341e58d3648fc9126d6501c230f3d_D20211231-20211231" decimals="INF" name="us-gaap:PublicUtilitiesApprovedDebtCapitalStructurePercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzM4NDgyOTA3MjkzMDg_869be324-4ed9-4143-8a74-f7a67abf997c">49.7</ix:nonFraction>% debt.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On September 11, 2020, in accordance with the final Order from the rate review filed on February 1, 2019, Colorado Gas filed a SSIR proposal with the CPUC that would recover safety and integrity focused investments in its system for <ix:nonNumeric contextRef="i3992c2536573473cb01240c8cab0339d_D20200911-20200911" name="bkh:PublicUtilitiesRequestedTermExtensionOfSystemSafetyAndIntegrityRider" format="ixt-sec:durwordsen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzM4NDgyOTA3Mjk1NjU_4e51b7af-1555-41e4-a497-b8b3ce6ea0fd">five years</ix:nonNumeric>. On July 6, 2021, Colorado Gas received approval from the CPUC for its SSIR proposal to recover these investments for <ix:nonNumeric contextRef="ia945983b7bb44daf82c62f30ba29d995_D20210706-20210706" name="bkh:PublicUtilitiesTermExtensionOfSystemSafetyAndIntegrityRider" format="ixt-sec:durwordsen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzM4NDgyOTA3Mjk3MjQ_d38d92a1-23e3-41e4-b6d3-81987a0c2b8d">three years</ix:nonNumeric> effective January 1, 2022. The return on SSIR investments will be the current weighted-average cost of long-term debt.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Iowa Gas</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Rate Review</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On June 1, 2021, Iowa Gas filed a rate review with the IUB seeking recovery of significant infrastructure investments in its <ix:nonFraction unitRef="mi" contextRef="i372dac47f00d4f569c76c074d0cfcb29_I20210601" decimals="INF" name="bkh:PublicUtilitiesLengthOfNaturalGasPipelineToReceiveInfrastructureInvestments" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIxOTkwMjMyOTI1OTY_e960e04d-fb30-4df7-90d3-c7d7f82c8f9b">5,000</ix:nonFraction>-mile natural gas pipeline system. On December 28, 2021, the IUB approved a settlement agreement with all intervening parties for a general rate increase. The settlement will shift $<ix:nonFraction unitRef="usd" contextRef="ib1e0e99cf9d74b8cb1faf76fcf984d04_D20211228-20211228" decimals="-5" name="bkh:PublicUtilitiesAmountOfSystemSafetyAndIntegretyRiderMovedToBaseRates" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIxOTkwMjMyOTI1ODI_76837ab2-d3d7-4e3d-9df6-28cc392af61f">2.2</ix:nonFraction>&#160;million of rider revenue to base rates and is expected to generate $<ix:nonFraction unitRef="usd" contextRef="ib1e0e99cf9d74b8cb1faf76fcf984d04_D20211228-20211228" decimals="-5" name="us-gaap:PublicUtilitiesApprovedRateIncreaseDecreaseAmount" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIxOTkwMjMyOTI2MDM_1103d9b7-4c06-4337-b268-69180bc6e481">3.7</ix:nonFraction>&#160;million in new annual revenue with a</span><span style="color:#242424;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> capital structure of <ix:nonFraction unitRef="number" contextRef="ib1e0e99cf9d74b8cb1faf76fcf984d04_D20211228-20211228" decimals="INF" name="us-gaap:PublicUtilitiesApprovedEquityCapitalStructurePercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIxOTkwMjMyOTI2MjU_bd987356-9567-4b8c-a331-8e0475bd92f7">50</ix:nonFraction>% equity and <ix:nonFraction unitRef="number" contextRef="ib1e0e99cf9d74b8cb1faf76fcf984d04_D20211228-20211228" decimals="INF" name="us-gaap:PublicUtilitiesApprovedDebtCapitalStructurePercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIxOTkwMjMyOTI2MzA_108e64af-f2ea-4768-8177-2a78bc62d3d8">50</ix:nonFraction>% debt and a return on equity of <ix:nonFraction unitRef="number" contextRef="ib1e0e99cf9d74b8cb1faf76fcf984d04_D20211228-20211228" decimals="INF" name="us-gaap:PublicUtilitiesApprovedReturnOnEquityPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIxOTkwMjMyOTI2MTc_90a50d77-ee4b-4fcc-9f94-38419b3dc761">9.6</ix:nonFraction>%. Final rates were enacted on January 1, 2022, and replaced</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> interim rates effective June 11, 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Kansas Gas</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Rate Review</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On May 7, 2021, Kansas Gas filed a rate review and rider renewal with the KCC seeking recovery of significant infrastructure investments in its <ix:nonFraction unitRef="mi" contextRef="ieee50e2b081f49d28ee69344b2255726_I20211230" decimals="INF" name="bkh:PublicUtilitiesLengthOfNaturalGasPipelineToReceiveInfrastructureInvestments" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIxOTkwMjMyOTI2Njg_717e97d3-e4c6-4306-9c6f-b310c974af38">4,600</ix:nonFraction>-mile natural gas pipeline system. On December 30, 2021, Kansas Gas received approval from the KCC on its Global Settlement agreement with KCC staff and various intervenors for a general rate increase and renewal of its safety and integrity rider. The settlement shifted $<ix:nonFraction unitRef="usd" contextRef="i63dac0d866914b24b0d343aa1a0c168c_D20211008-20211008" decimals="-5" name="bkh:PublicUtilitiesAmountOfSystemSafetyAndIntegretyRiderMovedToBaseRates" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIxOTkwMjMyOTI2NDY_e1536b84-2f34-4d7c-bbff-1bcc684986d1">6.6</ix:nonFraction>&#160;million of rider revenue to base rates, effective January 1, 2022, and also allowed rider renewal for at least <span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzYwNDczMTQwMjQ2Mzk_8155ce63-9607-4247-b83b-05739ba8783f">five</span> more years.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Nebraska Gas</span></div><div style="text-align:justify"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Jurisdictional Consolidation and Rate Review</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On January 26, 2021, Nebraska Gas received approval from the NPSC to consolidate rate schedules into a new, single statewide structure and recover significant infrastructure investments in its <ix:nonFraction unitRef="mi" contextRef="i6ef91888666a4801b93a0cf73a00994e_I20210301" decimals="INF" name="bkh:PublicUtilitiesLengthOfNaturalGasPipelineToReceiveInfrastructureInvestments" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzEzNzMx_75569737-ec9c-4127-9e6b-b0179f966b72">13,000</ix:nonFraction>-mile natural gas pipeline system. Final rates were enacted on March 1, 2021, which replaced interim rates effective September 1, 2020. The approval shifted $<ix:nonFraction unitRef="usd" contextRef="i502decb299be447e93c62f513b0be692_D20210301-20210301" decimals="-5" name="bkh:PublicUtilitiesAmountOfSystemSafetyAndIntegretyRiderMovedToBaseRates" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzEzODkx_6c1c761d-9bc5-4168-b6a9-ee1f4150a734">4.6</ix:nonFraction>&#160;million of SSIR revenue to base rates and is expected to generate $<ix:nonFraction unitRef="usd" contextRef="i502decb299be447e93c62f513b0be692_D20210301-20210301" decimals="-5" name="us-gaap:PublicUtilitiesApprovedRateIncreaseDecreaseAmount" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzEzOTUy_9154bb70-6914-4ab0-8af4-28a811c4cc50">6.5</ix:nonFraction>&#160;million in new annual revenue with a capital structure of <ix:nonFraction unitRef="number" contextRef="i502decb299be447e93c62f513b0be692_D20210301-20210301" decimals="INF" name="us-gaap:PublicUtilitiesApprovedEquityCapitalStructurePercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzE0MDA1_a527ae9b-7e53-4ad2-bc25-f890b1eb19e9">50</ix:nonFraction>% equity and <ix:nonFraction unitRef="number" contextRef="i502decb299be447e93c62f513b0be692_D20210301-20210301" decimals="INF" name="us-gaap:PublicUtilitiesApprovedEquityCapitalStructurePercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzE0MDE5_319be007-eb6c-4b79-a12e-1cc6ac7cc529">50</ix:nonFraction>% debt and a return on equity of <ix:nonFraction unitRef="number" contextRef="i502decb299be447e93c62f513b0be692_D20210301-20210301" decimals="INF" name="us-gaap:PublicUtilitiesApprovedReturnOnEquityPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzIxOTkwMjMyOTI3MTA_c03c6983-be26-4237-9a08-9b0e72a477d7">9.5</ix:nonFraction>%. The approval also included an extension of the SSIR for <ix:nonNumeric contextRef="i502decb299be447e93c62f513b0be692_D20210301-20210301" name="bkh:PublicUtilitiesTermExtensionOfSystemSafteyAndIntegrityRider" format="ixt-sec:durwordsen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzE0MTE1_233e0956-8cc3-47ea-90e1-f61ec8646d45">five years</ix:nonNumeric> and an expansion of this mechanism across the consolidated jurisdictions.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">South Dakota Electric</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">FERC Formula Rate</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The annual rate determination process is governed by the FERC formula rate protocols established in the filed FERC joint-access transmission tariff. Effective January 1, 2021, the annual revenue requirement for the FERC Transmission Formula Rate was $<ix:nonFraction unitRef="usd" contextRef="i133131b2ca564b2a927aa112bfb5397d_D20210101-20211231" decimals="-3" name="bkh:AnnualRevenueRequirementasRequiredbytheFERCJointAccessTransmissionTariff" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzM4NDgyOTA3NTI0MjQ_c83644c1-198a-4f56-814a-7ee8942b8978">26</ix:nonFraction>&#160;million and included estimated weighted average capital additions of $<ix:nonFraction unitRef="usd" contextRef="ia085e99bc1b442ecb4db1f6ec89fba26_D20200101-20211231" decimals="-5" name="bkh:CapitalAdditionRequirementsbytheFERCJointAccessTransmissionTariff" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzM4NDgyOTA3NTI0ODk_f19cfd31-27a5-4ea4-a5c1-35437d6a1a52">5.0</ix:nonFraction> million for 2020 and 2021 combined.</span></div></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">78</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div><span><br/></span></div><ix:continuation id="i38857d2594844957a9c5fd77b966a3a5"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Black Hills Wyoming and Wyoming Electric</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Wygen I FERC Filing</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On October 15, 2020, the FERC approved a settlement agreement that represents a resolution of all issues in the joint application filed by Wyoming Electric and Black Hills Wyoming on August 2, 2019 for approval of a new <ix:nonFraction unitRef="mw" contextRef="i7232456e998b4a8cb8b256cc529f9ce0_I20201015" decimals="0" name="bkh:NumberOfMegawattsCapacityPurchased" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzM4NDgyOTA3NTI5MTI_a7e13d10-6337-45ee-b99b-16150a350138">60</ix:nonFraction> MW PPA. Under the terms of the settlement, Wyoming Electric will continue to receive <ix:nonFraction unitRef="mw" contextRef="i7232456e998b4a8cb8b256cc529f9ce0_I20201015" decimals="0" name="bkh:NumberOfMegawattsCapacityPurchased" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzM4NDgyOTA3NTMwMDE_cb053f1c-da02-49ba-ab59-c2612fd6db01">60</ix:nonFraction> MW of capacity and energy from the Wygen I power plant. The new agreement commenced on January 1, 2022, replaced the existing PPA and will continue for <ix:nonNumeric contextRef="ie2d6eb74db4646559eaec840ae9fa75b_D20201015-20201015" name="us-gaap:LongtermPurchaseCommitmentPeriod" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzM4NDgyOTA3NTMxNTc_8d439a1e-4e89-4e14-92b5-1c9c4e8d0307">11</ix:nonNumeric> years.</span></div></ix:continuation><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_178"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(3)&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:CommitmentsContingenciesAndGuaranteesTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzExMDcy_75d9a824-14c1-46a2-a5a6-aed9943d59ff" continuedAt="i1a9c7be7cd31445cbae71ee17583fb49" escape="true">COMMITMENTS, CONTINGENCIES AND GUARANTEES</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="i1a9c7be7cd31445cbae71ee17583fb49" continuedAt="i44168a6ea43943c19abac179b569c10c"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Power Purchase and Transmission Services Agreements</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i3aee8ac668b64dd39d3f9d7b25c2a713_D20210101-20211231" name="us-gaap:LongTermPurchaseCommitmentTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzExMDU3_9f5ec076-dae6-4004-b289-1d2d847a8ff3" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Through our subsidiaries, we have the following significant long-term power purchase contracts and transmission services agreement with non-affiliated third-parties:</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:20.098%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.326%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:21.268%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.595%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.841%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:21.272%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Subsidiary</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Contract Type</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Counterparty</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel Type</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Quantity (MW)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Expiration Date</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:0.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PRPA</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mw" contextRef="i7b9955de3f1747cc81e6d32f99fbe2eb_I20211231" decimals="0" name="bkh:NumberOfMegawattsCapacityPurchased" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTo4N2VjMTEwM2UwZTM0Njc2ODY5ZjdlYmM4YWE1OGQ5OC90YWJsZXJhbmdlOjg3ZWMxMTAzZTBlMzQ2NzY4NjlmN2ViYzhhYTU4ZDk4XzEtNC0xLTEtMA_0e403aab-c5b9-4a59-a027-22cae9018a61">60</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">May 31, 2030</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PRPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mw" contextRef="i9cd3645799324dd98a2b4c1cb408486d_I20211231" decimals="0" name="bkh:NumberOfMegawattsCapacityPurchased" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTo4N2VjMTEwM2UwZTM0Njc2ODY5ZjdlYmM4YWE1OGQ5OC90YWJsZXJhbmdlOjg3ZWMxMTAzZTBlMzQ2NzY4NjlmN2ViYzhhYTU4ZDk4XzItNC0xLTEtMA_f3e4c44d-cce4-46fb-a976-98bd785fb641">25</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">June 30, 2024</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">TC Colorado Solar, LLC</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Solar</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mw" contextRef="i82ce8ae2d37748ce80fce8edf0f2955d_I20211231" decimals="0" name="bkh:NumberOfMegawattsCapacityPurchased" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTo4N2VjMTEwM2UwZTM0Njc2ODY5ZjdlYmM4YWE1OGQ5OC90YWJsZXJhbmdlOjg3ZWMxMTAzZTBlMzQ2NzY4NjlmN2ViYzhhYTU4ZDk4XzMtNC0xLTEtNzAwOTk_c9d8c02e-82a8-49f8-b1e9-6aa9a893b178">200</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pending Completion </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PacifiCorp</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mw" contextRef="ide17c0f24bb6459e947e9c1fcdd11c3a_I20211231" decimals="0" name="bkh:NumberOfMegawattsCapacityPurchased" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTo4N2VjMTEwM2UwZTM0Njc2ODY5ZjdlYmM4YWE1OGQ5OC90YWJsZXJhbmdlOjg3ZWMxMTAzZTBlMzQ2NzY4NjlmN2ViYzhhYTU4ZDk4XzMtNC0xLTEtMA_104390ab-9c16-4729-a478-ccfb970dd78b">50</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2023</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:0.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission Services Agreement</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PacifiCorp</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mw" contextRef="idaa9ab3ad5d84d95a724609db376747e_I20211231" decimals="0" name="bkh:NumberOfMegawattsCapacityPurchased" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTo4N2VjMTEwM2UwZTM0Njc2ODY5ZjdlYmM4YWE1OGQ5OC90YWJsZXJhbmdlOjg3ZWMxMTAzZTBlMzQ2NzY4NjlmN2ViYzhhYTU4ZDk4XzQtNC0xLTEtMA_60efefb9-73f4-4556-8225-a950b21db441">50</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2023</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PRPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mw" contextRef="i2e5ee6d0acdb44acad93bf3bc5493930_I20211231" decimals="0" name="bkh:NumberOfMegawattsCapacityPurchased" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTo4N2VjMTEwM2UwZTM0Njc2ODY5ZjdlYmM4YWE1OGQ5OC90YWJsZXJhbmdlOjg3ZWMxMTAzZTBlMzQ2NzY4NjlmN2ViYzhhYTU4ZDk4XzUtNC0xLTEtMA_fef87424-45e9-4109-9d46-c9f4ce3223be">12</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">September 30, 2029</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fall River Solar, LLC</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Solar</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mw" contextRef="iab3b759e3d30482591bdec19d754c7f0_I20211231" decimals="0" name="bkh:NumberOfMegawattsCapacityPurchased" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTo4N2VjMTEwM2UwZTM0Njc2ODY5ZjdlYmM4YWE1OGQ5OC90YWJsZXJhbmdlOjg3ZWMxMTAzZTBlMzQ2NzY4NjlmN2ViYzhhYTU4ZDk4XzYtNC0xLTEtMA_90a8dbae-3a10-4de1-9825-0d82c63864c6">80</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pending Completion </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(d)</span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(e)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Happy Jack</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mw" contextRef="ibb002e62c52b42c4bb8dd453964a5f4d_I20211231" decimals="0" name="bkh:NumberOfMegawattsCapacityPurchased" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTo4N2VjMTEwM2UwZTM0Njc2ODY5ZjdlYmM4YWE1OGQ5OC90YWJsZXJhbmdlOjg3ZWMxMTAzZTBlMzQ2NzY4NjlmN2ViYzhhYTU4ZDk4XzctNC0xLTEtMA_5599a9a5-5c92-4b4c-a18e-14c377b6fbd0">30</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">September 3, 2028</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(f)</span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Silver Sage</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mw" contextRef="i34ff01a0364b4066ad548a9dd642ec58_I20211231" decimals="0" name="bkh:NumberOfMegawattsCapacityPurchased" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTo4N2VjMTEwM2UwZTM0Njc2ODY5ZjdlYmM4YWE1OGQ5OC90YWJsZXJhbmdlOjg3ZWMxMTAzZTBlMzQ2NzY4NjlmN2ViYzhhYTU4ZDk4XzgtNC0xLTEtMA_20505978-1e0b-4fc0-bad1-ab2ddf309340">30</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">September 30, 2029</span></td></tr></table></div><div style="padding-left:9pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Colorado Electric sells the wind energy purchased under this PPA to City of Colorado Springs as discussed below.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:112%">(b)&#160;&#160;&#160;&#160;On January 31, 2022, TC Colorado Solar, LLC (TC Solar) provided termination notice of the PPA to Colorado Electric. Colorado Electric has disputed TC Solar&#8217;s right to termination and pursuant to the agreement, has initiated discussions with TC Solar. This agreement relates to a new solar facility to be constructed and would expire <ix:nonNumeric contextRef="i35c412dd454d461eb33269273d8821c2_D20210101-20211231" name="bkh:PurchasePowerAgreementSetToExpireAfterACertainNumberOfYearsFollowingCompletionOfTheFacility" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzYwNDczMTM5ODI5MTY_baff9748-9f4a-473e-a96e-1716d15290a2">15</ix:nonNumeric> years after construction completion.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;This is a firm point-to-point transmission service agreement providing the ability to deliver a maximum of <ix:nonFraction unitRef="mw" contextRef="idaa9ab3ad5d84d95a724609db376747e_I20211231" decimals="0" name="bkh:NumberOfMegawattsCapacityPurchased" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzEwOTk1MTE2Mzk3NTk_62bad365-d5cd-4011-9f7b-6e22a4a00505">50</ix:nonFraction> MW of capacity and associated energy.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(d)&#160;&#160;&#160;&#160;This agreement relates to a new solar facility currently being constructed and will expire <ix:nonNumeric contextRef="i5ec0ef6648aa45ef978ce76ab7db976f_D20210101-20211231" name="bkh:PurchasePowerAgreementSetToExpireAfterACertainNumberOfYearsFollowingCompletionOfTheFacility" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzEwOTk1MTE2NDAwNjY_e2c21c00-50ee-457b-a123-58b5de8e453a">20</ix:nonNumeric> years after construction completion, which is expected by the end of 2022.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(e)&#160;&#160;&#160;&#160;Under a separate intercompany PSA, Wyoming Electric sells <ix:nonFraction unitRef="number" contextRef="i91205895a64f413fb6ccb267a9cb3bcb_D20210101-20211231" decimals="2" name="us-gaap:LongTermContractForPurchaseOfElectricPowerShareOfPlantOutputBeingPurchased" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzEwOTk1MTE2NDAzMDQ_cc03c645-5b65-453d-bb53-21d35fb3286a">50</ix:nonFraction>% of the facility output to South Dakota Electric.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(f)&#160;&#160;&#160;&#160;Under a separate intercompany PSA, Wyoming Electric sells <ix:nonFraction unitRef="number" contextRef="ib5dcd5d9726248e38639eb1231b43fdf_D20210101-20211231" decimals="2" name="us-gaap:LongTermContractForPurchaseOfElectricPowerShareOfPlantOutputBeingPurchased" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0Xzg1NA_a1caf0f2-3d09-4f80-b6a6-3881013baa09">67</ix:nonFraction>% of the facility output to South Dakota Electric.</span></div></ix:nonNumeric><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><ix:nonNumeric contextRef="ib71d7c19a49240b0bd6b45d0c3819152_D20210101-20211231" name="us-gaap:LongTermPurchaseCommitmentTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzExMDQ2_b3267d82-8f3c-47a2-ac42-0553ae19a329" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Costs under these agreements for the years ended December 31 were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:19.367%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.373%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.344%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.595%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:1.700%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.577%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Subsidiary</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Contract Type</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Counterparty</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel Type</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PRPA</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iecf0378287a149a9977c032beade47a6_D20200101-20201231" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowOWU4NmFkMjQ3Yjg0NjQ3YTY1NzAwMzMwN2MwMDA1YS90YWJsZXJhbmdlOjA5ZTg2YWQyNDdiODQ2NDdhNjU3MDAzMzA3YzAwMDVhXzEtNi0xLTEtMA_81f9fdd5-a174-406c-b0d4-31f40b051320">2,791</ix:nonFraction>&#160;</span></td><td 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iec8a12dd5a9e4705a0086ab8d2ba7a86_D20200101-20201231" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowOWU4NmFkMjQ3Yjg0NjQ3YTY1NzAwMzMwN2MwMDA1YS90YWJsZXJhbmdlOjA5ZTg2YWQyNDdiODQ2NDdhNjU3MDAzMzA3YzAwMDVhXzItNi0xLTEtMA_10ab3a8d-b593-4bf1-8c16-c8c3dd41cd1e">4,524</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic35c352477a1459ba30125f8ddc470b9_D20190101-20191231" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowOWU4NmFkMjQ3Yjg0NjQ3YTY1NzAwMzMwN2MwMDA1YS90YWJsZXJhbmdlOjA5ZTg2YWQyNDdiODQ2NDdhNjU3MDAzMzA3YzAwMDVhXzItNy0xLTEtMA_12d33d35-b535-4b7e-945f-49beeb09b6d5">1,802</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PacifiCorp</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia2a8b18f06174dddabb97aa739e510ad_D20210101-20211231" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowOWU4NmFkMjQ3Yjg0NjQ3YTY1NzAwMzMwN2MwMDA1YS90YWJsZXJhbmdlOjA5ZTg2YWQyNDdiODQ2NDdhNjU3MDAzMzA3YzAwMDVhXzMtNS0xLTEtMA_ce817090-06f4-4c74-b1e5-7984c1994d96">8,923</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if677a96b13264b2d8e519eb42f649a71_D20200101-20201231" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowOWU4NmFkMjQ3Yjg0NjQ3YTY1NzAwMzMwN2MwMDA1YS90YWJsZXJhbmdlOjA5ZTg2YWQyNDdiODQ2NDdhNjU3MDAzMzA3YzAwMDVhXzMtNi0xLTEtMA_056e6728-5271-4efb-90ac-4734872f56c2">5,897</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8521ec6f3bb347d19b38e0002275fb73_D20190101-20191231" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowOWU4NmFkMjQ3Yjg0NjQ3YTY1NzAwMzMwN2MwMDA1YS90YWJsZXJhbmdlOjA5ZTg2YWQyNDdiODQ2NDdhNjU3MDAzMzA3YzAwMDVhXzMtNy0xLTEtMA_2ed97c7c-1acb-403a-82f5-f4960afcb9d8">7,477</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission Services Agreement</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PacifiCorp</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i20194908989f471494d8ae7f4234f6bb_D20210101-20211231" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowOWU4NmFkMjQ3Yjg0NjQ3YTY1NzAwMzMwN2MwMDA1YS90YWJsZXJhbmdlOjA5ZTg2YWQyNDdiODQ2NDdhNjU3MDAzMzA3YzAwMDVhXzQtNS0xLTEtMA_91ef519e-26a8-4317-a1c8-db60f2feb0c8">1,783</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i643923ada7f54ffba9cc341206b0478f_D20200101-20201231" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowOWU4NmFkMjQ3Yjg0NjQ3YTY1NzAwMzMwN2MwMDA1YS90YWJsZXJhbmdlOjA5ZTg2YWQyNDdiODQ2NDdhNjU3MDAzMzA3YzAwMDVhXzQtNi0xLTEtMA_334893bf-4c78-4ee6-8fc6-980a335d308a">1,776</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9294d0448d784169809df051b2dcc291_D20190101-20191231" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowOWU4NmFkMjQ3Yjg0NjQ3YTY1NzAwMzMwN2MwMDA1YS90YWJsZXJhbmdlOjA5ZTg2YWQyNDdiODQ2NDdhNjU3MDAzMzA3YzAwMDVhXzQtNy0xLTEtMA_106b0ab4-6a29-4195-8c71-94eb20ffc1eb">1,741</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PRPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i59e6fbb019524b2e8cd13292337b0f2f_D20210101-20211231" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowOWU4NmFkMjQ3Yjg0NjQ3YTY1NzAwMzMwN2MwMDA1YS90YWJsZXJhbmdlOjA5ZTg2YWQyNDdiODQ2NDdhNjU3MDAzMzA3YzAwMDVhXzUtNS0xLTEtMA_f5f3ca84-9596-4584-bfed-c9522c64a62b">596</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i5f3f28a39c2a4372bc913fb2fc627b4b_D20200101-20201231" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowOWU4NmFkMjQ3Yjg0NjQ3YTY1NzAwMzMwN2MwMDA1YS90YWJsZXJhbmdlOjA5ZTg2YWQyNDdiODQ2NDdhNjU3MDAzMzA3YzAwMDVhXzUtNi0xLTEtMA_ddc9e867-a6ad-4e49-b38c-85d3546cdd58">715</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia334114e35fb4b669f604c6c9c08b0ee_D20190101-20191231" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowOWU4NmFkMjQ3Yjg0NjQ3YTY1NzAwMzMwN2MwMDA1YS90YWJsZXJhbmdlOjA5ZTg2YWQyNDdiODQ2NDdhNjU3MDAzMzA3YzAwMDVhXzUtNy0xLTEtMA_25c25993-638f-4aa7-809c-8ad0d0023ea9">688</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Happy Jack</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i91205895a64f413fb6ccb267a9cb3bcb_D20210101-20211231" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowOWU4NmFkMjQ3Yjg0NjQ3YTY1NzAwMzMwN2MwMDA1YS90YWJsZXJhbmdlOjA5ZTg2YWQyNDdiODQ2NDdhNjU3MDAzMzA3YzAwMDVhXzYtNS0xLTEtMA_35213cca-cbca-4847-9560-ba1880a9c5c0">3,544</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i921a8506ffc04d009e518862cb41a431_D20200101-20201231" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowOWU4NmFkMjQ3Yjg0NjQ3YTY1NzAwMzMwN2MwMDA1YS90YWJsZXJhbmdlOjA5ZTg2YWQyNDdiODQ2NDdhNjU3MDAzMzA3YzAwMDVhXzYtNi0xLTEtMA_54b6089c-23f7-4cbf-b673-537a3e650544">4,531</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id15e7690d48e4366bf74ae0c4fe3b404_D20190101-20191231" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowOWU4NmFkMjQ3Yjg0NjQ3YTY1NzAwMzMwN2MwMDA1YS90YWJsZXJhbmdlOjA5ZTg2YWQyNDdiODQ2NDdhNjU3MDAzMzA3YzAwMDVhXzYtNy0xLTEtMA_eda4b170-2c22-4a83-a1ee-e26fa94b4cbc">3,936</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Silver Sage</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib5dcd5d9726248e38639eb1231b43fdf_D20210101-20211231" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowOWU4NmFkMjQ3Yjg0NjQ3YTY1NzAwMzMwN2MwMDA1YS90YWJsZXJhbmdlOjA5ZTg2YWQyNDdiODQ2NDdhNjU3MDAzMzA3YzAwMDVhXzctNS0xLTEtMA_5b5109d3-f8c7-49ca-a27f-ee0a91ad5f19">4,717</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if4804869b623427d90d720178f3bec73_D20200101-20201231" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowOWU4NmFkMjQ3Yjg0NjQ3YTY1NzAwMzMwN2MwMDA1YS90YWJsZXJhbmdlOjA5ZTg2YWQyNDdiODQ2NDdhNjU3MDAzMzA3YzAwMDVhXzctNi0xLTEtMA_a421a5b6-3ae1-4f69-8f42-1c45467b6ed5">6,203</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic21550fc236242748b45766860524d5c_D20190101-20191231" decimals="-3" name="us-gaap:CostOfGoodsAndServicesSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowOWU4NmFkMjQ3Yjg0NjQ3YTY1NzAwMzMwN2MwMDA1YS90YWJsZXJhbmdlOjA5ZTg2YWQyNDdiODQ2NDdhNjU3MDAzMzA3YzAwMDVhXzctNy0xLTEtMA_50b2d22d-b3df-4b16-aaa4-30a4c620731d">5,366</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">79</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div><span><br/></span></div><ix:continuation id="i44168a6ea43943c19abac179b569c10c" continuedAt="iefc9f09d9d3d414ab3b1081ffa6b764e"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Power Purchase Agreements - Related Parties</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Wyoming Electric had a PPA with Black Hills Wyoming scheduled to expire on December 31, 2022, which provided <ix:nonFraction unitRef="mw" contextRef="i3cb7800e3ca44955be7c3bd31014bdbc_I20211231" decimals="0" name="bkh:NumberofMegawattsSoldUnderLongTermContract" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzExNTg_3624b2dc-aba8-48f6-8f7a-0b5d916d6543">60</ix:nonFraction> MW of unit-contingent capacity and energy from Black Hills Wyoming&#8217;s Wygen I facility. On October 15, 2020, the FERC approved a settlement agreement in the joint application filed by Wyoming Electric and Black Hills Wyoming on August 2, 2019 for approval of a new <ix:nonFraction unitRef="mw" contextRef="icc89137bd8d343f2a9353fdc80250525_I20201015" decimals="0" name="bkh:NumberofMegawattsSoldUnderLongTermContract" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzE0MjY_fdf6b119-954a-484d-a088-d295382c528a">60</ix:nonFraction> MW PPA. Under the terms of the settlement, Wyoming Electric will continue to receive <ix:nonFraction unitRef="mw" contextRef="icc89137bd8d343f2a9353fdc80250525_I20201015" decimals="0" name="bkh:NumberofMegawattsSoldUnderLongTermContract" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzE1MTU_497a2471-a62a-4357-83fb-8baaa84ed211">60</ix:nonFraction> MW of capacity and energy from the Wygen I facility. The new agreement commenced on January 1, 2022, replaced the existing PPA and will continue for <ix:nonNumeric contextRef="i04cc495c2f78432581cdfe9d6ade0c3b_D20220101-20220101" name="bkh:PublicUtilitiesTermOfPowerPurchaseAgreement" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzE2NjY_a3327f04-aacf-4fa6-a88f-d95edffbaa8c">11</ix:nonNumeric> years.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Black Hills Electric Generation provides the wind energy generated from Busch Ranch II to Colorado Electric through a PPA, which expires in November 2044.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Black Hills Electric Generation provides its <ix:nonFraction unitRef="mw" contextRef="i5f13605a915c4ed69a7f63aa171abeab_I20211231" decimals="INF" name="bkh:NumberOfMegawattsCapacityPurchased" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzE4NzI_67f9edab-0b88-411e-bb51-785a95993cb8">14.5</ix:nonFraction> MW share of energy generated from Busch Ranch I to Colorado Electric through a PPA, which expires in October 2037.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Colorado Electric&#8217;s PPA with Black Hills Colorado IPP, expiring on December&#160;31, 2031, provides <ix:nonFraction unitRef="mw" contextRef="i3d0eaec492b3489687f8f6c7af5386f3_I20211231" decimals="INF" name="bkh:NumberOfMegawattsCapacityPurchased" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzIwNjA_f46e9bfc-aa62-4f6f-816a-79901f384ab9">200</ix:nonFraction> MW of power to Colorado Electric from Black Hills Colorado IPP&#8217;s combined-cycle turbines.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Purchase Commitments</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We maintain natural gas supply contracts with several vendors that generally cover a period of up to <ix:nonNumeric contextRef="i95c1e68a685b405096d1800124865eb2_D20210101-20211231" name="bkh:NaturalGasDeliveryCommitmentsAndContractsTerm" format="ixt-sec:durwordsen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzI0NDg_8bfae71e-f137-40f4-a7c5-4bc570abe151">one year</ix:nonNumeric>. Commitments for estimated baseload gas volumes are established prior to the beginning of the month under these contracts on a monthly basis at contractually negotiated prices. Commitments for incremental daily purchases are made as necessary during the month based on requirements in accordance with the terms of the individual contract.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Gas Utilities segment has commitments to purchase physical quantities of natural gas under contracts indexed to various forward natural gas price curves. A portion of our gas purchases are purchased under evergreen contracts and are therefore, for purposes of this disclosure, carried out for <ix:nonNumeric contextRef="i3bc3dd7528344ba89dbc972201c6d813_D20210101-20211231" name="us-gaap:UnrecordedUnconditionalPurchaseObligationTerm" format="ixt-sec:durday" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzMwOTE_f988d571-4395-4ff7-b1aa-f80c4b5ff5a4">60</ix:nonNumeric> days. <ix:nonNumeric contextRef="i7c86ab63a920458eaaf04ab5c05ea24e_D20210101-20211231" name="us-gaap:LongTermPurchaseCommitmentTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzExMDYz_13a52ceb-d478-4565-b93e-914313ec4e45" continuedAt="i682fa08c5a3c4407b2ef2dcaac9fdc30" escape="true">At December 31, 2021, the long-term commitments to purchase quantities of natural gas under contracts indexed to the following forward indices were as follows (in MMBtus):</ix:nonNumeric></span></div><div><span><br/></span></div><div style="text-align:center"><ix:continuation id="i682fa08c5a3c4407b2ef2dcaac9fdc30"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:27.743%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.759%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.759%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.759%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.759%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.759%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.762%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2024</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2025</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2026</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Thereafter</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">El Paso - Bondad Station</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="id4b09338d0cb4434a0c6ae1f3553250e_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzEtMS0xLTEtODcxMjI_c152311c-d143-4a50-9717-9594497771aa">31,000</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="id4b09338d0cb4434a0c6ae1f3553250e_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzEtMi0xLTEtODcxMjk_8d603937-5d09-40de-b299-742f1a433340">&#8212;</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="id4b09338d0cb4434a0c6ae1f3553250e_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzEtMy0xLTEtODcxMzY_bf94d024-e543-4e2e-beea-190000275f82">&#8212;</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="id4b09338d0cb4434a0c6ae1f3553250e_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinFourYears" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzEtNC0xLTEtODcxNDM_b10b8ec9-5a53-4f75-86a1-f70dbe0bd954">&#8212;</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="id4b09338d0cb4434a0c6ae1f3553250e_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears" format="ixt:fixed-zero" scale="0" 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name="bkh:UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzItMS0xLTEtODcxNjQ_77b5f372-fd6b-430a-96d2-c685b0334a4b">9,300</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i8326495e0dbd4a9aadf9d43e43022526_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears" format="ixt:fixed-zero" scale="0" 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name="bkh:UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzMtMS0xLTEtODcyMTA_ae26f622-d151-4582-9cbe-49503cbfd896">182,550</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i5c5919d1748f49c98b4dbe85c071f301_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears" format="ixt:fixed-zero" scale="0" 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name="bkh:UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzQtMS0xLTEtODcyNDY_007f92d2-0b53-49d1-93ce-6d62261b64b8">1,825,000</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i98927246157e4d7386bf8af730ffdd96_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzQtMi0xLTEtODcyNTM_d7ddc22d-e63a-4e4c-9a68-08e099a2eda4">450,000</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i98927246157e4d7386bf8af730ffdd96_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzQtMy0xLTEtODcyNjA_7ffb7869-7570-4a25-a99e-faaed68c3515">&#8212;</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i98927246157e4d7386bf8af730ffdd96_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinFourYears" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzQtNC0xLTEtODcyNjc_2c837a08-f182-4bc4-946d-8a401f3b37c2">&#8212;</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i98927246157e4d7386bf8af730ffdd96_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears" format="ixt:fixed-zero" scale="0" 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzQtNi0xLTEtODcyNzM_5602bee0-d146-43e5-b677-77cf52ccf614">&#8212;</ix:nonFraction></span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Northern Natural Gas - Demarc</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i319ed1a9bc4545058e60fa5d8cd5d241_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzUtMS0xLTEtODcyODA_6173a4cb-96ef-494b-807a-06ac883af619">1,614</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i319ed1a9bc4545058e60fa5d8cd5d241_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears" format="ixt:fixed-zero" scale="0" 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzUtNi0xLTEtODczMTU_f66776c6-c17a-4bc6-a12b-d2d62f28c128">&#8212;</ix:nonFraction></span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Northern Natural Gas - Ventura</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="idd063897d5ef49af91e39b5d4af9b4ec_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzYtMS0xLTEtODczMjI_a1902fe8-19e8-43c5-a3a0-d5515fc95f98">1,810,000</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="idd063897d5ef49af91e39b5d4af9b4ec_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzYtMi0xLTEtODczMjk_1fe27ee7-a913-4412-bd46-d3c6a2cfcd61">1,840,000</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="idd063897d5ef49af91e39b5d4af9b4ec_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears" format="ixt:num-dot-decimal" scale="0" 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzYtNC0xLTEtODczNDM_aec1fc95-edea-46ee-a047-6f9fda6fa5cf">&#8212;</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="idd063897d5ef49af91e39b5d4af9b4ec_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzYtNS0xLTEtODczNTA_23bd4386-fa62-4916-b150-a5a24ad8fd04">&#8212;</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="idd063897d5ef49af91e39b5d4af9b4ec_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzYtNi0xLTEtODczNTc_8a6bbf86-14b1-4b47-841b-35a1db9743bf">&#8212;</ix:nonFraction></span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Northwest Pipeline - Wyoming</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i9c2d821fe14f4e9a9ec592cb9e2256f6_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzctMS0xLTEtODczNjQ_00947684-577e-4d55-90d8-bcdcb7a871df">1,531,700</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i9c2d821fe14f4e9a9ec592cb9e2256f6_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzctMi0xLTEtODczNzE_7f9cb67d-3cf2-4186-b195-e8cb5aff5ddc">1,510,000</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i9c2d821fe14f4e9a9ec592cb9e2256f6_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzctMy0xLTEtODczNzg_5ab1e4aa-7da3-4a43-9067-feb1006e8fb8">910,000</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i9c2d821fe14f4e9a9ec592cb9e2256f6_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinFourYears" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzctNC0xLTEtODczODU_fced7534-17c2-45c3-9a47-40448e550e43">&#8212;</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i9c2d821fe14f4e9a9ec592cb9e2256f6_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzctNS0xLTEtODczOTI_21d85f48-a77f-4f5e-85d3-22e595895b36">&#8212;</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i9c2d821fe14f4e9a9ec592cb9e2256f6_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzctNi0xLTEtODczOTk_0ad955ef-a65e-4fa8-af3b-912dbaac53f7">&#8212;</ix:nonFraction></span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">ONEOK - Oklahoma</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i1f9f024dff574bb08ffe357f9570cbbd_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzgtMS0xLTEtODc0MDY_9d13215e-5b24-4e00-8b52-5215d8cd0969">5,475,000</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i1f9f024dff574bb08ffe357f9570cbbd_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzgtMi0xLTEtODc0Mjc_504e05db-97a5-4739-b9e8-ebcefd8dd943">5,475,000</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i1f9f024dff574bb08ffe357f9570cbbd_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzgtMy0xLTEtODc0NDg_ed80af0f-1290-439b-819d-cebfc86c7fce">5,490,000</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i1f9f024dff574bb08ffe357f9570cbbd_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinFourYears" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzgtNC0xLTEtODc0Njk_4ec25dd2-c6eb-4482-9c31-94a3e186b629">4,560,000</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i1f9f024dff574bb08ffe357f9570cbbd_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzgtNS0xLTEtODc0OTA_7ebe64bd-f1d3-4638-b4d8-5d029b24c266">&#8212;</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i1f9f024dff574bb08ffe357f9570cbbd_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzgtNi0xLTEtODc1MTE_cb6150e0-c045-4c96-9129-fe8447349721">&#8212;</ix:nonFraction></span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Southern Star Central Gas Pipeline</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i8ad0659b16d74a25a64f7e61425aa0a8_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzktMS0xLTEtODc0MTM_9bf29a19-3ed7-41d8-afed-42e5b16feb23">113,130</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i8ad0659b16d74a25a64f7e61425aa0a8_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzktMi0xLTEtODc0MzQ_8f5ffde1-33dc-4242-8706-882076e3c5aa">&#8212;</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i8ad0659b16d74a25a64f7e61425aa0a8_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzktMy0xLTEtODc0NTU_32adc05a-de18-4ed7-a421-7d4149862509">&#8212;</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i8ad0659b16d74a25a64f7e61425aa0a8_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinFourYears" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzktNC0xLTEtODc0NzY_c82a502f-63e3-4925-9342-52ef314b6578">&#8212;</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i8ad0659b16d74a25a64f7e61425aa0a8_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzktNS0xLTEtODc0OTc_77a0f918-5e52-4bc0-a1d7-20354ff3925b">&#8212;</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i8ad0659b16d74a25a64f7e61425aa0a8_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzktNi0xLTEtODc1MTg_ab5d7d3c-8d1c-4681-9e64-f7963ab12959">&#8212;</ix:nonFraction></span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Panhandle Eastern Pipe Line</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="id01208277a684ea8a61711a680df64d1_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzEwLTEtMS0xLTg3NDIw_d2a04b83-da60-4ac5-ae46-a820b09ba5f3">1,609,680</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="id01208277a684ea8a61711a680df64d1_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzEwLTItMS0xLTg3NDQx_9daa3139-f002-4a2c-860a-d7b50392ac49">2,737,500</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="id01208277a684ea8a61711a680df64d1_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzEwLTMtMS0xLTg3NDYy_7193d930-c378-433f-a160-ff44a960d7ef">&#8212;</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="id01208277a684ea8a61711a680df64d1_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinFourYears" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzEwLTQtMS0xLTg3NDgz_f91fd95e-1799-4d7d-b8e5-060b9392cea9">&#8212;</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="id01208277a684ea8a61711a680df64d1_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzEwLTUtMS0xLTg3NTA0_5de86eb2-ecd9-4c9b-880a-6a1208fc4e5b">&#8212;</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="id01208277a684ea8a61711a680df64d1_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzEwLTYtMS0xLTg3NTI1_4b2cc2d7-1c6a-4c52-a9c8-72d169ebc0b1">&#8212;</ix:nonFraction></span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzExLTEtMS0xLTk4NDM1_22168846-b7ce-4e1c-a396-fa0c4c388278">12,588,974</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzExLTItMS0xLTk4NDM1_ff5990d4-9d55-4dd3-a72c-b41d0c81d8a4">12,012,500</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzExLTMtMS0xLTk4NDM1_fc4c8a06-dbd6-4672-8e26-b25cddb9fb89">8,220,000</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinFourYears" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzExLTQtMS0xLTk4NDM1_9e54e685-291c-4084-a829-148c921de121">4,560,000</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzExLTUtMS0xLTk4NDM1_38ade333-d969-42e9-b020-648733d6879e">&#8212;</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="0" name="bkh:UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxYzA5MTJjNmFmMzM0MjViYTgxMDA1ZTVhNzVjMTNkZi90YWJsZXJhbmdlOjFjMDkxMmM2YWYzMzQyNWJhODEwMDVlNWE3NWMxM2RmXzExLTYtMS0xLTk4NDM1_72cb3b92-269a-4024-909b-dd88f1e64f3c">&#8212;</ix:nonFraction></span></td></tr></table></ix:continuation></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Purchases under these contracts totaled $<ix:nonFraction unitRef="usd" contextRef="i18b9431ec91b4baba55e77405cf8d000_D20210101-20211231" decimals="-6" name="us-gaap:UnrecordedUnconditionalPurchaseObligationPurchases" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzMyOTg_b11356e3-4b33-4957-aa5a-7bd911126acc">61</ix:nonFraction> million, $<ix:nonFraction unitRef="usd" contextRef="i18b555bef0a9433abc28bdcb4e4c9c47_D20200101-20201231" decimals="-6" name="us-gaap:UnrecordedUnconditionalPurchaseObligationPurchases" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzMzMDI_5bbabd9b-e88e-4efd-9d45-81117754e640">25</ix:nonFraction> million and $<ix:nonFraction unitRef="usd" contextRef="i46bdf4225d3443a5ab349a88ba88a5f7_D20190101-20191231" decimals="-6" name="us-gaap:UnrecordedUnconditionalPurchaseObligationPurchases" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzMzMDk_97da2911-eea3-40d2-a299-68cc5281e4ac">7</ix:nonFraction> million for 2021, 2020 and 2019, respectively.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Other Gas Supply Agreements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Utilities also purchase natural gas, including transportation and storage capacity to meet customers&#8217; needs, under short-term and long-term purchase contracts. These contracts extend to 2044.</span></div></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">80</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div><span><br/></span></div><ix:continuation id="iefc9f09d9d3d414ab3b1081ffa6b764e" continuedAt="ie10fbf7d8d9c4df5a665e6930f7d80b5"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:UnrecordedUnconditionalPurchaseObligationsDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzExMDU5_c8a251b7-7503-4fed-aa25-1890d312de60" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following is a schedule of unconditional purchase obligations required under the power purchase, transmission services and natural gas transportation and storage agreements (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:40.334%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:28.182%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:28.184%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Power purchase and transmission services agreements</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas transportation and storage agreements</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i46ec533129f446a2a60f52671d7ce7a8_I20211231" decimals="-3" name="us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzEtMS0xLTEtMA_e2c6cd96-cd66-4d48-9c00-79e406bdc104">23,985</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i43b10bb615734d9bafa455da2229826c_I20211231" decimals="-3" name="us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzEtMi0xLTEtMA_58b97139-c0b3-4e06-94bb-53bbbee56f97">143,750</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i46ec533129f446a2a60f52671d7ce7a8_I20211231" decimals="-3" name="us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzItMS0xLTEtMA_39713008-8d2f-4491-9250-75c722b0b058">11,678</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i43b10bb615734d9bafa455da2229826c_I20211231" decimals="-3" name="us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzItMi0xLTEtMA_c53023c2-df4b-45cd-a9c1-0da8be33937d">119,923</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2024</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i46ec533129f446a2a60f52671d7ce7a8_I20211231" decimals="-3" name="us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzMtMS0xLTEtMA_f8c7bef6-fb37-4977-ab78-f04db01321ef">2,738</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i43b10bb615734d9bafa455da2229826c_I20211231" decimals="-3" name="us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzMtMi0xLTEtMA_521d232e-2228-4ca4-8b62-a46ae81a8708">82,428</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2025</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i46ec533129f446a2a60f52671d7ce7a8_I20211231" decimals="-3" name="us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzQtMS0xLTEtMA_7d2ba0f9-39d1-4f6c-a247-c439e75a35a5">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i43b10bb615734d9bafa455da2229826c_I20211231" decimals="-3" name="us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzQtMi0xLTEtMA_e933c4a6-d471-46d6-81b8-fae8080098f6">58,669</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2026</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i46ec533129f446a2a60f52671d7ce7a8_I20211231" decimals="-3" name="us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzUtMS0xLTEtMA_e8916c9e-5a28-41e7-9702-88fa0e9af3d7">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i43b10bb615734d9bafa455da2229826c_I20211231" decimals="-3" name="us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzUtMi0xLTEtMA_782a33f7-2e3e-4204-b7b1-a09136a6c726">36,503</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Thereafter</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i46ec533129f446a2a60f52671d7ce7a8_I20211231" decimals="-3" name="us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzYtMS0xLTEtMA_cc3c0b0b-8d2e-4a48-b94b-88842b03ff0b">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i43b10bb615734d9bafa455da2229826c_I20211231" decimals="-3" name="us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzYtMi0xLTEtMA_67c7faa1-93b5-4e92-801f-dc6fd4ec5bfe">60,429</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="padding-left:9pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;This schedule does not reflect renewable energy PPA obligations since these agreements vary based on weather conditions.</span></div></ix:nonNumeric><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Power Sales Agreements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Through our subsidiaries, we have the following significant long-term power sales contracts with non-affiliated third-parties:</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">On July 1, 2020, Colorado Electric entered into a PSA with the City of Colorado Springs to sell up to <ix:nonFraction unitRef="mw" contextRef="ic66fb4a9453849a6b1fc3301f6d9efa9_I20200701" decimals="0" name="bkh:NumberOfMegawattsCapacityPurchased" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzE2NDkyNjc0NzE4Njc_e8d1f947-5b51-4cd9-9b1d-f78f989b1b50">60</ix:nonFraction> MW of wind energy purchased from PRPA under a separate <ix:nonFraction unitRef="mw" contextRef="i679423e84c0f4cb3a78a66d8aa9d860b_I20190626" decimals="0" name="bkh:NumberOfMegawattsCapacityPurchased" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzE2NDkyNjc0NzE4NjA_24afd61e-9c32-4189-a6a4-53fe499700d3">60</ix:nonFraction> MW PPA discussed above. This PSA with the City of Colorado Springs expires June 30, 2025.</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">During periods of reduced production at Wygen III in which MDU owns a portion of the capacity, or during periods when Wygen III is off-line, South Dakota Electric will provide MDU with <ix:nonFraction unitRef="mw" contextRef="if7713dcc2e034d46addeb1f7dca04048_I20211231" decimals="INF" name="bkh:NumberofMegawattsSoldUnderLongTermContract" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzQ1MDA_8bb30cfd-6bce-4bb9-baa8-4d0e1231b456">25</ix:nonFraction> MW from our other generation facilities or from system purchases with reimbursement of costs by MDU. This agreement expires January&#160;31, 2023.</span></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">South Dakota Electric has an agreement to provide MDU capacity and energy up to a maximum of <ix:nonFraction unitRef="mw" contextRef="i3228a756cc684d57acd3b6d3653845cc_I20211231" decimals="INF" name="bkh:NumberofMegawattsSoldUnderLongTermContract" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzQ3MjY_ee9f80fb-948a-4052-a8ed-472cb22f812a">50</ix:nonFraction> MW in excess of Wygen III ownership. This agreement expires December&#160;31, 2023.</span></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">During periods of reduced production at Wygen III in which the City of Gillette owns a portion of the capacity, or during periods when Wygen III is off-line, South Dakota Electric will provide the City of Gillette with its first <ix:nonFraction unitRef="mw" contextRef="i7b519199f8d349e7bd04eed2e3010959_I20211231" decimals="INF" name="bkh:NumberofMegawattsSoldUnderLongTermContract" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzUwMjQ_fbda193d-1e2d-4159-abd1-d51ae23a13df">23</ix:nonFraction> MW from its other generating facilities or from system purchases with reimbursement of costs by the City of Gillette. Under this agreement, which has an initial term through September 3, 2034 and would be renewed annually on September&#160;3 thereafter, South Dakota Electric will also provide the City of Gillette their operating component of spinning reserves.</span></div><div style="padding-left:36pt;padding-right:31.5pt"><span><br/></span></div><div style="padding-left:36pt;padding-right:31.5pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">South Dakota Electric has an amended agreement, effective January 1, 2019, to supply up to <ix:nonFraction unitRef="mw" contextRef="iaee23d4fa15c44e193a68c6481fdcc36_I20211231" decimals="INF" name="bkh:NumberofMegawattsSoldUnderLongTermContract" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzU0Nzg_da9dadf0-fe10-4921-ba15-f52d223fab47">20</ix:nonFraction> MW of energy and capacity to MEAN under a contract that expires May&#160;31, 2028. The contract terms are from June 1 through May 31 for each interval listed below. This contract is unit-contingent based on the availability of our Neil Simpson II and Wygen III plants, with decreasing capacity purchased over the term of the agreement. <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="bkh:ScheduleofUnitContingentCapacityTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzExMDM0_02f67c95-1f6c-4b46-bc04-5338990b29ed" continuedAt="i54c5f464422743528b82a0a870836341" escape="true">The unit-contingent capacity amounts from Wygen III and Neil Simpson II are as follows:</ix:nonNumeric></span></div><div style="margin-top:5pt;padding-left:18pt;padding-right:18pt;text-align:center"><ix:continuation id="i54c5f464422743528b82a0a870836341"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:92.397%"><tr><td style="width:1.0%"></td><td style="width:36.874%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.551%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.551%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:1.856%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.551%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.551%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:1.856%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.551%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.559%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Contract Years</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Contract Capacity</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Contingent Capacity Amounts on Wygen III</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Contingent Capacity Amounts on Neil Simpson II</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020-2022</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mw" contextRef="iaee23d4fa15c44e193a68c6481fdcc36_I20211231" decimals="INF" name="bkh:TotalContractCapacityinMegawattsDuePerYearinYearsTwoandThreeoftheContract" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxMDQ0YTk2MjU2NDA0ODk5OWYxNWM4MTY1MzQzY2FmOS90YWJsZXJhbmdlOjEwNDRhOTYyNTY0MDQ4OTk5ZjE1YzgxNjUzNDNjYWY5XzItMS0xLTEtMA_e259dd75-fe41-47f8-84c5-cac48a151b70">15</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mw" contextRef="i43630593840849418560cd9e9bb2cff6_I20211231" decimals="INF" name="bkh:TotalContractCapacityinMegawattsDuePerYearinYearsTwoandThreeoftheContract" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxMDQ0YTk2MjU2NDA0ODk5OWYxNWM4MTY1MzQzY2FmOS90YWJsZXJhbmdlOjEwNDRhOTYyNTY0MDQ4OTk5ZjE1YzgxNjUzNDNjYWY5XzItNC0xLTEtMA_aa00887c-5d4b-41cf-9a8d-cd9d0d75f2a5">7</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mw" contextRef="i35a4d2159259457f8b46df012cdba9f3_I20211231" decimals="INF" name="bkh:TotalContractCapacityinMegawattsDuePerYearinYearsTwoandThreeoftheContract" scale="0" 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022-2023</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mw" contextRef="iaee23d4fa15c44e193a68c6481fdcc36_I20211231" decimals="INF" name="bkh:TotalContractCapacityinMegawattsDueinYearThreeoftheContract" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxMDQ0YTk2MjU2NDA0ODk5OWYxNWM4MTY1MzQzY2FmOS90YWJsZXJhbmdlOjEwNDRhOTYyNTY0MDQ4OTk5ZjE1YzgxNjUzNDNjYWY5XzMtMS0xLTEtMA_0ffe3bf0-913c-4449-9c4d-019492d26821">15</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mw" contextRef="i43630593840849418560cd9e9bb2cff6_I20211231" decimals="INF" name="bkh:TotalContractCapacityinMegawattsDueinYearThreeoftheContract" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxMDQ0YTk2MjU2NDA0ODk5OWYxNWM4MTY1MzQzY2FmOS90YWJsZXJhbmdlOjEwNDRhOTYyNTY0MDQ4OTk5ZjE1YzgxNjUzNDNjYWY5XzMtNC0xLTEtMA_4f9d000b-5667-40aa-902c-7b1d9230a56c">8</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mw" contextRef="i35a4d2159259457f8b46df012cdba9f3_I20211231" decimals="INF" name="bkh:TotalContractCapacityinMegawattsDueinYearThreeoftheContract" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxMDQ0YTk2MjU2NDA0ODk5OWYxNWM4MTY1MzQzY2FmOS90YWJsZXJhbmdlOjEwNDRhOTYyNTY0MDQ4OTk5ZjE1YzgxNjUzNDNjYWY5XzMtNy0xLTEtMA_79faa537-2c9e-4ddf-a761-808719a2328a">7</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td></tr><tr><td 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxMDQ0YTk2MjU2NDA0ODk5OWYxNWM4MTY1MzQzY2FmOS90YWJsZXJhbmdlOjEwNDRhOTYyNTY0MDQ4OTk5ZjE1YzgxNjUzNDNjYWY5XzQtMS0xLTEtMA_4bf0567b-3e3a-4d83-b536-39e38e28fcfe">10</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mw" contextRef="i43630593840849418560cd9e9bb2cff6_I20211231" decimals="INF" name="bkh:TotalContractCapacityinMegawattsDuePerYearinYearsFiveThroughNineoftheContract" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxMDQ0YTk2MjU2NDA0ODk5OWYxNWM4MTY1MzQzY2FmOS90YWJsZXJhbmdlOjEwNDRhOTYyNTY0MDQ4OTk5ZjE1YzgxNjUzNDNjYWY5XzQtNC0xLTEtMA_063fae2a-3648-4d2d-9c82-5c91512ac32f">5</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mw" contextRef="i35a4d2159259457f8b46df012cdba9f3_I20211231" decimals="INF" name="bkh:TotalContractCapacityinMegawattsDuePerYearinYearsFiveThroughNineoftheContract" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZToxMDQ0YTk2MjU2NDA0ODk5OWYxNWM4MTY1MzQzY2FmOS90YWJsZXJhbmdlOjEwNDRhOTYyNTY0MDQ4OTk5ZjE1YzgxNjUzNDNjYWY5XzQtNy0xLTEtMA_8f0c5252-122c-41c1-b5d5-47e6c948eef4">5</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td></tr></table></ix:continuation></div><div style="padding-left:36pt;text-indent:-18pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">South Dakota Electric had an agreement that expired December&#160;31, 2021 to provide <ix:nonFraction unitRef="mw" contextRef="i0db1b385f9bb4bf1b057e909853f4a68_I20211231" decimals="INF" name="bkh:NumberofMegawattsSoldUnderLongTermContract" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzU5NjQ_e4e699e3-ef84-4262-8a8d-39933833093c">50</ix:nonFraction> MW of energy to Macquarie Energy, LLC during heavy and light load timing intervals.</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Black Hills Wyoming sold its CTII <ix:nonFraction unitRef="mw" contextRef="i36be2ab3b14c4a95988a0c842d86c2ca_I20140903" decimals="INF" name="bkh:NumberofMegawattsCapacitySold" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzYwODY_73c5c5d3-9a5e-4e05-b050-3d919c5cbd7b">40</ix:nonFraction> MW natural gas-fired generating unit to the City of Gillette, Wyoming on September 3, 2014. Under the terms of the sale, Black Hills Wyoming entered into ancillary agreements to operate CTII, provide use of shared facilities including a ground lease and dispatch generation services. In addition, the agreement includes a <ix:nonNumeric contextRef="i9a2d7e9e521a4bfcb9716b594b15fdda_D20210101-20211231" name="us-gaap:LongtermPurchaseCommitmentPeriod" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzY0MTM_1535dea8-611f-4f0b-9727-f983fd76fddc">20</ix:nonNumeric>-year Economy Energy PSA that contains a sharing arrangement in which the parties share the savings of wholesale power purchases made when market power prices are less than the cost of operating the generating unit.</span></div></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">81</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><ix:continuation id="ie10fbf7d8d9c4df5a665e6930f7d80b5" continuedAt="i848ad515b2ff4d18a2076a71751ffd9a"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Lease Agreements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Lessee</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We lease from third parties certain office and operation center facilities, communication tower sites, equipment and materials storage. Our leases have remaining terms ranging from less than <ix:nonNumeric contextRef="if539cea112044cc9a20a4027f06e1cad_I20211231" name="us-gaap:LesseeOperatingLeaseTermOfContract" format="ixt-sec:durwordsen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzIxOTkwMjMyNzIxMTQ_01ad095e-0158-436b-b0aa-3272d9b12c4d">one year</ix:nonNumeric> to <ix:nonNumeric contextRef="if5fee0d185714810a03e5cd05166974f_I20211231" name="us-gaap:LesseeOperatingLeaseTermOfContract" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzIxOTkwMjMyNzIxMTg_6a167dd6-3a74-4e71-8b32-ab32326c6877">34</ix:nonNumeric> years, including options to extend that are reasonably certain to be exercised. Our operating and finance leases were not material to the Company&#8217;s Consolidated Financial statements.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Lessor</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We lease to third parties certain generating station ground leases, communication tower sites and a natural gas pipeline. These leases have remaining terms ranging from less than <ix:nonNumeric contextRef="if539cea112044cc9a20a4027f06e1cad_I20211231" name="us-gaap:LessorOperatingLeaseTermOfContract" format="ixt-sec:durwordsen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzIxOTkwMjMyNzIxMjY_5279455a-36a8-4a5f-a8b4-4aaa104d858c">one year</ix:nonNumeric> to <ix:nonNumeric contextRef="if5fee0d185714810a03e5cd05166974f_I20211231" name="us-gaap:LessorOperatingLeaseTermOfContract" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzIxOTkwMjMyNzIxMzA_5e30f56b-7313-4df6-be48-965f89247812">34</ix:nonNumeric> years. Lease revenue was not material for the years ended December 31, 2021, 2020 and 2019.</span></div><div style="text-align:center"><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzYwNDczMTM5NzI4MTk_c03e747a-a868-4b8f-a11f-146b767c6bb1" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, scheduled maturities of operating lease payments to be received in future years were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:79.163%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.637%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Operating Leases</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTpiZTM4YWM3MzUxYTU0NThkYmFjNDRmOTA1ZDNlMzU5NS90YWJsZXJhbmdlOmJlMzhhYzczNTFhNTQ1OGRiYWM0NGY5MDVkM2UzNTk1XzEtMS0xLTEtNjgzNjM_a0c7932a-4bad-462d-8612-78efa16a4966">2,173</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTpiZTM4YWM3MzUxYTU0NThkYmFjNDRmOTA1ZDNlMzU5NS90YWJsZXJhbmdlOmJlMzhhYzczNTFhNTQ1OGRiYWM0NGY5MDVkM2UzNTk1XzItMS0xLTEtNjgzNjM_1e89944d-335b-4d1c-aed3-b46f8253a44c">2,204</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2024</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTpiZTM4YWM3MzUxYTU0NThkYmFjNDRmOTA1ZDNlMzU5NS90YWJsZXJhbmdlOmJlMzhhYzczNTFhNTQ1OGRiYWM0NGY5MDVkM2UzNTk1XzMtMS0xLTEtNjgzNjM_41764520-ee20-435f-ad8d-bfbff9c4f960">2,125</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2025</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTpiZTM4YWM3MzUxYTU0NThkYmFjNDRmOTA1ZDNlMzU5NS90YWJsZXJhbmdlOmJlMzhhYzczNTFhNTQ1OGRiYWM0NGY5MDVkM2UzNTk1XzQtMS0xLTEtNjgzNjM_8eb5c483-e2eb-4afd-b7a1-601f6d638248">2,070</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2026</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTpiZTM4YWM3MzUxYTU0NThkYmFjNDRmOTA1ZDNlMzU5NS90YWJsZXJhbmdlOmJlMzhhYzczNTFhNTQ1OGRiYWM0NGY5MDVkM2UzNTk1XzUtMS0xLTEtNjgzNjM_1a7ef4ab-d379-404f-adbb-e252b71f1ffb">1,881</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Thereafter</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTpiZTM4YWM3MzUxYTU0NThkYmFjNDRmOTA1ZDNlMzU5NS90YWJsZXJhbmdlOmJlMzhhYzczNTFhNTQ1OGRiYWM0NGY5MDVkM2UzNTk1XzYtMS0xLTEtNjgzNjM_709a2e56-d584-4615-9de4-9fd8ce5ab40a">51,233</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total lease receivables</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LessorOperatingLeasePaymentsToBeReceived" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTpiZTM4YWM3MzUxYTU0NThkYmFjNDRmOTA1ZDNlMzU5NS90YWJsZXJhbmdlOmJlMzhhYzczNTFhNTQ1OGRiYWM0NGY5MDVkM2UzNTk1XzctMS0xLTEtNjgzNjM_af44c726-067d-40c0-8c8c-03f29b3b56cb">61,686</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr></table></div></ix:nonNumeric><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Environmental Matters</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We are subject to costs resulting from a number of federal, state and local laws and regulations which affect future planning and existing operations. Laws and regulations can result in increased capital expenditures, operating and other costs as a result of compliance, remediation and monitoring obligations. Due to the environmental issues discussed below, we may be required to modify, curtail, replace or cease operating certain facilities or operations to comply with statutes, regulations and other requirements of regulatory bodies.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Reclamation Liability</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">For our Pueblo Airport Generation site, we posted a bond of $<ix:nonFraction unitRef="usd" contextRef="i0609557764b044beb7a87ead1635f403_I20211231" decimals="-5" name="us-gaap:AccrualForEnvironmentalLossContingencies" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzcyODI_2b5914ff-b274-44fc-a891-0afdd8da5819">4.1</ix:nonFraction> million with the State of Colorado to cover the costs of remediation for a waste water containment pond permitted to provide wastewater storage and processing for this zero discharge facility. The reclamation liability is recorded at the present value of the estimated future cost to reclaim the land.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Under our land leases for our wind generation facilities, we are required to reclaim land where we have placed wind turbines. The reclamation liabilities are recorded at the present value of the estimated future cost to reclaim the land.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Under its mining permit, WRDC is required to reclaim all land where it has mined reserves. The reclamation liability is recorded at the present value of the estimated future cost to reclaim the land.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_190">Note 7</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for additional information.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Manufactured Gas Processing</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In 2008, we acquired whole and partial liabilities for former manufactured gas processing sites in Nebraska and Iowa, which were previously used to convert coal to natural gas. The acquisition provided for an insurance recovery, now valued at $<ix:nonFraction unitRef="usd" contextRef="ife92e89f4bee45c0b32aab8274c45024_I20211231" decimals="-5" name="us-gaap:InsuranceSettlementsReceivableNoncurrent" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzgzMzU_56c34179-d849-4c95-89b8-cc3e308fc0b4">1.2</ix:nonFraction> million recorded in Other assets, non-current on our Consolidated Balance Sheets, which will be used to help offset remediation costs. We also have a $<ix:nonFraction unitRef="usd" contextRef="i703f8e5a872c4bcebcaaa6db94d24912_I20211231" decimals="-5" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0Xzg0ODE_78782ec7-cfea-4f3e-ac9a-04ed49b342ee">1.4</ix:nonFraction> million regulatory asset for manufactured gas processing sites; see </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_175">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for additional information.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, we had $<ix:nonFraction unitRef="usd" contextRef="i8e960e30c48d479ab62dd58cf9feca05_I20211231" decimals="-3" name="us-gaap:AccrualForEnvironmentalLossContingenciesGross" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0Xzg1OTk_34e4b49b-5985-4d1f-b254-4bb0b9c00e9c">2.6</ix:nonFraction> million accrued for remediation of Iowa&#8217;s manufactured gas processing site as the landowner. As of December 31, 2021, we had $<ix:nonFraction unitRef="usd" contextRef="i9e3840fed364473e965ea0ee68960e09_I20211231" decimals="-3" name="us-gaap:AccrualForEnvironmentalLossContingenciesGross" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0Xzg3MDU_ef59c363-fd5a-4394-9411-bb4404cdc4a4">0.6</ix:nonFraction>&#160;million accrued for remediation of Nebraska&#8217;s manufactured gas processing site as the land owner. These liabilities are included in Other deferred credits and other liabilities on our Consolidated Balance Sheets. The remediation cost estimate could change materially due to results of further investigations, actions of environmental agencies or the financial viability of other responsible parties.</span></div></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">82</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><ix:continuation id="i848ad515b2ff4d18a2076a71751ffd9a"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Legal Proceedings</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In the normal course of business, we are subject to various lawsuits, actions, proceedings, claims and other matters asserted under laws and regulations. We believe the amounts provided in the consolidated financial statements to satisfy alleged liabilities are adequate in light of the probable and estimable contingencies. However, there can be no assurance that the actual amounts required to satisfy alleged liabilities from various legal proceedings, claims and other matters discussed, and to comply with applicable laws and regulations will not exceed the amounts reflected in the consolidated financial statements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We record gain contingencies when realized, and expected recoveries under applicable insurance contracts when we are assured of recovery.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In the normal course of business, we enter into agreements that include indemnification in favor of third parties, such as information technology agreements, purchase and sale agreements and lease contracts.&#160;We have also agreed to indemnify our directors, officers and employees in accordance with our articles of incorporation, as amended.&#160;Certain agreements do not contain any limits on our liability and therefore, it is not possible to estimate our potential liability under these indemnifications. In certain cases, we have recourse against third parties with respect to these indemnities.&#160;Further, we maintain insurance policies that may provide coverage against certain claims under these indemnities.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Guarantees</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have entered into various parent company-level guarantees providing financial or performance assurance to third parties on behalf of certain of our subsidiaries. These guarantees do not represent incremental consolidated obligations, but rather, represent guarantees of subsidiary obligations to allow those subsidiaries to conduct business without posting other forms of assurance. The agreements, which are off-balance sheet commitments, include support for business operations, indemnification for reclamation and surety bonds. The guarantees were entered into in the normal course of business. <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfGuaranteeObligationsTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzExMDM2_70879ecc-5093-475f-9626-871c53aa751b" continuedAt="i5504789e822a4b2d89cab5ec70c99bc6" escape="true">To the extent liabilities are incurred as a result of activities covered by these guarantees, such liabilities are included in our Consolidated Balance Sheets.</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="i5504789e822a4b2d89cab5ec70c99bc6"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See Note 8 for additional information on our off-balance sheet Letters of Credit commitment.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We had the following guarantees in place as of (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:79.163%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.637%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum Exposure at</span></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nature of Guarantee</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Indemnification for reclamation/surety bonds</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id95d2d9a113d4e86a0023a753b117f91_I20211231" decimals="-3" name="us-gaap:GuaranteeObligationsMaximumExposure" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTpkMDJhY2RjYTZjYjQ0NjBjYWFlMDM1ZmY4NTAzODhiYi90YWJsZXJhbmdlOmQwMmFjZGNhNmNiNDQ2MGNhYWUwMzVmZjg1MDM4OGJiXzItMS0xLTEtMA_a28469d7-a1ab-432a-9605-95d34c95e1cd">55,867</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Guarantees supporting business transactions</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i18636eff69e745aa911cd9a74943aa28_I20211231" decimals="-3" name="us-gaap:GuaranteeObligationsMaximumExposure" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTpkMDJhY2RjYTZjYjQ0NjBjYWFlMDM1ZmY4NTAzODhiYi90YWJsZXJhbmdlOmQwMmFjZGNhNmNiNDQ2MGNhYWUwMzVmZjg1MDM4OGJiXzMtMS0xLTEtMTA0MDA1_124d19a2-a8ce-475b-a482-926cc457460b">370,558</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:GuaranteeObligationsMaximumExposure" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTpkMDJhY2RjYTZjYjQ0NjBjYWFlMDM1ZmY4NTAzODhiYi90YWJsZXJhbmdlOmQwMmFjZGNhNmNiNDQ2MGNhYWUwMzVmZjg1MDM4OGJiXzQtMS0xLTEtMTA0MDA3_337f59bf-bf01-4a84-b65a-8d40ea294fdf">426,425</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr></table></div></ix:continuation></ix:continuation><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">83</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_181"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(4)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:RevenueFromContractWithCustomerTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90ZXh0cmVnaW9uOjViNjFjNzVlMjhlYTRlYTJhYTg2MjM4OTJlOWJiNDdjXzU4MTg_d9db9175-f1a9-4e92-95ff-bc63dbd04c75" continuedAt="i638d863de98e4d6e96f0f49495931f6c" escape="true">REVENUE 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2020 and 2019. Sales tax and other similar taxes are excluded from revenues.</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:37.992%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.126%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.126%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.126%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.130%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Year ended December 31, 2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;Electric Utilities </span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;Gas Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Inter-company Revenues</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Customer types:</span></td><td colspan="12" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Retail</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i843d34ca8a584ec3916077afd0456ea0_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzItMi0xLTEtMA_a1e98527-601f-4c56-9342-b0f543da5d6d">913,725</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8b8c103d2410466698d351218f26a38a_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzItNS0xLTEtMA_0ffac756-f143-4b18-bf2b-840d7d6d22ce">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2f07889d11e245f29a277490ea9d3f29_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzItNi0xLTEtMA_893016f3-2310-4956-82e3-cbed65d24312">1,625,173</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transportation</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iebda063abaaa4989972b7ecdaa695378_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzMtMS0xLTEtMA_927cfc56-fd86-4691-ad29-e49f9677188d">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibd4d53ef9ec44ed294df4e82b8187a99_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzMtMi0xLTEtMA_b95fff67-70b8-4f6f-8133-794d48bc4954">158,053</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="idf74e6de8a0d4f57a4ce9aac4146851b_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzMtNS0xLTEtMA_2b7f6bd8-28d9-46bc-959f-e9e6d22de7c6">428</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ied2b8412d64e43b7824588a5557745b1_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzMtNi0xLTEtMA_0b00561e-c470-473c-85a2-d8abb324398e">157,625</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wholesale</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i27dbbf255a914ca991843bedfb7dcdbf_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzQtMS0xLTEtMA_0799c66e-7458-4e43-a6eb-a3beac6fe635">30,848</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 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style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id829ac4c6db14b309f22c890de7254dc_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzQtNS0xLTEtMA_41a80394-f683-41e4-ad7c-ad5adae4c4dd">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Market - off-system sales</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i4dea73df6f3548ceb319691cabde0eee_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzUtMS0xLTEtMA_e12b2fc9-7d8a-4f35-a5b4-f9b0b3247d63">41,682</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id6196cc5a35e420180cdae98d4685b9f_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzUtMi0xLTEtMA_95e231f2-68aa-45f5-838a-343c7f205f14">396</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i551335715e8147058daf705bb46c2733_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzUtNS0xLTEtMA_354d95ea-16b1-4b44-b0cc-a276674690db">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i4e5f64196b0349afbf278dcc4446d4ef_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzUtNi0xLTEtMA_6835352c-51a5-46aa-88ac-9b63e20d0dff">42,078</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission/Other</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1d7dfbbf3fc64e74bccf89cc8705f06f_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzYtMS0xLTEtMA_2b13c49d-3b56-4be9-9220-c608c40f784a">52,945</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic4f1ca9c363645a7a8b6955ed7eb908a_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzYtMi0xLTEtMA_7c7d1367-c320-4719-ba61-9b19c942aa88">39,365</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6fde9ba99a4d469fa5b7c01a3bb1ba1b_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzYtNS0xLTEtMA_21401a33-e23a-4820-acb2-3611a8ccdd65">17,200</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0c2fa3369f734d179e448a127dc3ddef_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzYtNi0xLTEtMA_3daa5f85-c5f4-4945-97eb-af1b929992c0">75,110</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue from contracts with customers</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic841d80666414872a276b619c956c2da_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzctMS0xLTEtMA_ba2315b8-3c06-48bc-8d3f-8476241bfea1">836,923</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3bc3dd7528344ba89dbc972201c6d813_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzctMi0xLTEtMA_28b25cf2-b4e3-4669-a40c-87e0d2599e8b">1,111,539</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i955e485db61d4da9b65d1b6e63129913_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzctNS0xLTEtMA_e3ea03fa-1a0e-4af1-b161-66b238fe20b7">17,628</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzctNi0xLTEtMA_78886b77-22bd-4294-b447-214ecc326fea">1,930,834</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i67f8920c67634ce39592699c94d54687_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzgtMS0xLTEtMA_7eb6390b-d8da-4292-9fcc-a04f932f686d">5,335</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic3eb6b96ed044aa8bec144cb0389ea2b_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzgtMi0xLTEtMA_8639478d-871f-4839-8115-00490612edc8">13,326</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i4b4a6fb1ba4a405e88e052fea7caf3bd_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzgtNS0xLTEtMA_e7efe775-55d5-4976-816a-48c4f135a617">393</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id411dabc8a234a369a056dae38854c7e_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzgtNi0xLTEtMA_23f7f4bd-e26a-404e-961a-4bbbed498cfe">18,268</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total revenues</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic841d80666414872a276b619c956c2da_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzktMS0xLTEtMA_b76586f4-d213-4f3b-b290-8bf31f4d8356">842,258</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3bc3dd7528344ba89dbc972201c6d813_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzktMi0xLTEtMA_9cc69857-a672-4b3c-94d3-2be77d52243e">1,124,865</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i955e485db61d4da9b65d1b6e63129913_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzktNS0xLTEtMA_c4b96138-6471-4f00-94af-d2733b2ca061">18,021</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzktNi0xLTEtMA_eb9f55d4-4a35-4b7a-8ddb-1c11f305b6b2">1,949,102</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Timing of revenue recognition:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Services transferred at a point in time</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1c260d6f608f4394a88915afcad5a452_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzEyLTEtMS0xLTA_c45979bf-1668-4366-ba92-d9cb9976d425">27,141</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2532899441e5400884c5eef5abacb45b_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzEyLTItMS0xLTA_47073943-5e7a-4cee-a70d-78e0424af394">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i878824ede3634d4dafbc13b5bbfd6462_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzEyLTUtMS0xLTA_cf7cde7b-2291-4189-ac14-a5e3d00d327f">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i34758f009c8b4818995d919876aed666_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzEyLTYtMS0xLTA_4217ecd5-e3ec-421e-a9d1-5b28462ede56">27,141</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Services transferred over time</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6cc9dbf2d1c743b1b190d953f196d161_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzEzLTEtMS0xLTA_c595062d-5169-4514-a92f-f19fa6ebf8cf">809,782</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1ebed92c5a3742eba3fb2a6067909fb9_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzEzLTItMS0xLTA_1aa03bea-a5a5-450c-95bf-ce184d7f1e98">1,111,539</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i3e266fcc25fa4d3d8890a2a07e5a1f38_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzEzLTUtMS0xLTA_179e95bc-61a4-469b-a270-72686798b5ee">17,628</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie5c550d29bca427185d370ef6d0da50a_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzEzLTYtMS0xLTA_522102c2-fca7-4131-8713-a03da190c17a">1,903,693</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue from contracts with customers</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic841d80666414872a276b619c956c2da_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzE0LTEtMS0xLTA_b5b30a21-02f6-4e56-b7cd-9ebdb9c7ca51">836,923</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3bc3dd7528344ba89dbc972201c6d813_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzE0LTItMS0xLTA_e6b01a33-1f03-4532-b2cb-b981645a32a7">1,111,539</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i955e485db61d4da9b65d1b6e63129913_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzE0LTUtMS0xLTA_b748b147-884a-4a90-80e0-4c89670b804e">17,628</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo3ZjRlMTdhZTAxOGM0ZGE1OWU2NDZhYTIzMmM1M2FkOS90YWJsZXJhbmdlOjdmNGUxN2FlMDE4YzRkYTU5ZTY0NmFhMjMyYzUzYWQ5XzE0LTYtMS0xLTA_f4fb5b17-be49-4285-a41d-0f28f24f9fbf">1,930,834</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:37.992%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.126%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.126%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.126%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.130%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Year ended December 31, 2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;Electric Utilities </span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;Gas Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span 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style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Retail</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i4cfb1c7562bd459790ad162cd1ac77ef_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzItMS0xLTEtMA_e010ad1a-06f0-4175-a42a-e82a0921edad">636,902</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibb5370dbb2554266a6c036bb48eb6875_D20200101-20201231" 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i628df2d9956a42968c5619ca72213de2_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzItNS0xLTEtMA_cc746581-815e-4e7c-a0ff-25e64f05a99a">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8925b1df9c184c2b957468e1e0e975ec_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzItNi0xLTEtMA_223103ff-e201-4d29-86c5-de7a0a3c6101">1,402,824</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transportation</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ieff14921bc7a4fadb1a6587ca979708d_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzMtMS0xLTEtMA_5995f4ba-763f-488e-9aaf-89d7556631c0">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1b9ca3e84d4843f9a6bb38487c81a9a5_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzMtMi0xLTEtMA_ab65084c-614e-4f3c-ab47-a54965e3a412">154,581</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i64fd491cd44c47b9b9bce0a9615c646d_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzMtNS0xLTEtMA_c46f2804-24d7-4903-b832-7c1272788081">526</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i31aa5800d0b34c528031c0791262539d_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzMtNi0xLTEtMA_a80506d8-fb5d-42b3-845c-113389bf87ce">154,055</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wholesale</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" 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name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzQtMi0xLTEtMA_7b937d56-d9b6-4f2e-9fe7-56339ee5ac91">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i00eb29e2005147f6bd4fbad7fbc2e3c3_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzQtNS0xLTEtMA_00e8b076-6105-4696-985f-b5be6b9c0cc4">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i15e2379392854b019451942ac0f89055_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzQtNi0xLTEtMA_bf19ba29-44e0-4202-abf1-8faf9fc65f3f">24,845</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Market - off-system sales</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8d20112e0a94490080aa4b9356f698d9_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzUtMS0xLTEtMA_3a7bc8a8-0a6b-4d0d-9256-98688310abe5">15,512</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia16f0d5fdcaa4574b564b3987f8813f8_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzUtMi0xLTEtMA_2bba4fec-c9e5-4e8a-ae43-50616d49065f">260</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if5c690ff6d1c4717962a9d7fb64e887e_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzUtNS0xLTEtMA_ff71874d-593f-46c4-952c-36d5ec470f1b">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibbc03f3be7ff46fc97d7b357b1d1d837_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzUtNi0xLTEtMA_06eba8b2-210a-4649-ab28-683b063382ec">15,772</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission/Other</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9c3100ac5743462a9e79da39ec98dfde_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzYtMS0xLTEtMA_d02178d6-b3c2-4369-ae83-7344c6085a65">55,422</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie04008582d834d59b4adf089e61b1388_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzYtMi0xLTEtMA_5b0122ca-6164-408c-9b62-2129774ef858">43,658</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="icc256c15db0b48699033b6704179eb65_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzYtNS0xLTEtMA_4b3958c7-32d2-483d-9e9c-be8d5a231a81">15,772</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iefef68a1d52e4c748d228bd522e2e1de_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzYtNi0xLTEtMA_ec8ec3eb-2db0-4854-ae1a-1c50c3c9b4d7">83,308</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue from contracts with customers</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1edf0cfad3148bc9d3392d2c4e77925_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzctMS0xLTEtMA_5a59e783-44a4-4ca9-ba78-0a39e28a374e">732,681</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic49698474f464cebb7e741f10e76bb34_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzctMi0xLTEtMA_1bed3272-4689-4a0a-afa3-1b9dc7db1cbf">964,421</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i756b4d7717a74d60beb65398363838db_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzctNS0xLTEtMA_bb184209-9c20-4400-8605-2ac978963991">16,298</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzctNi0xLTEtMA_db44be45-f302-405e-925f-82e819739ee8">1,680,804</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="icd0491ee69614849a55cf86ef7ce4e9c_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzgtMS0xLTEtMA_d35ebbd1-2c6d-4425-9e79-d2713f84795b">6,176</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ida2fd36413ea4248bf9e7e7fe3d0f5eb_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzgtMi0xLTEtMA_813a590c-58d7-48a1-87f7-408854ba6110">10,249</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i9544dc87688b44faaf1735f738d18a4d_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzgtNS0xLTEtMA_5cd2cc6c-2a17-4465-9aaf-02278552022b">288</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i183bda854083411fb9517f00a6aaf685_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzgtNi0xLTEtMA_ef75e5e4-d565-40c2-92ee-c30753e23250">16,137</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total revenues</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1edf0cfad3148bc9d3392d2c4e77925_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzktMS0xLTEtMA_9c16c2cd-4c8b-4a45-b6b7-6bf16037d3a6">738,857</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic49698474f464cebb7e741f10e76bb34_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzktMi0xLTEtMA_c06e4eb9-43cc-4da3-a656-baad1b8934df">974,670</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i756b4d7717a74d60beb65398363838db_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzktNS0xLTEtMA_a8c94768-f86c-4c32-aa31-27bc48d3a4e2">16,586</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzktNi0xLTEtMA_9d13c4cd-f220-4ea3-91cc-2ea3fc0f532d">1,696,941</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Timing of revenue recognition:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Services transferred at a point in time</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id83c173663994e659e1a454c2830d788_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzEyLTEtMS0xLTA_ff3768ff-4925-48fb-9e13-c6284f90e23f">27,089</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iebc09264406d4455890197f58c79adeb_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzEyLTItMS0xLTA_b84edcb5-2e8e-43ea-a7b9-7c1d0dccf08c">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i69edd92f0630493484ca881a52afb74c_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzEyLTUtMS0xLTA_379b62c0-29df-484d-840c-90750b9e2fe3">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3656ac772183425cb726a23db94dd2e1_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzEyLTYtMS0xLTA_3d980d6e-d334-4759-8b6c-3dd76d5526c3">27,089</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Services transferred over time</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i595004ad89d140ed8876e071a3e6f51e_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzEzLTEtMS0xLTA_d08bb99d-ca2a-42b9-b9ff-938353c21231">705,592</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i00466a8430d5449f87aeae8db879dd96_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzEzLTItMS0xLTA_21fc76ee-320f-4059-aa7e-0ea4cd227620">964,421</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i232112d67fa5447b927e3315ddc6af44_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzEzLTUtMS0xLTA_2c66c827-8db9-4c92-8550-8ff2237ad6a1">16,298</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i4ad258920e71461da26bd3fb65287ad9_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzEzLTYtMS0xLTA_31f54c5d-f885-4b6c-a48f-54d05a54b832">1,653,715</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue from contracts with customers</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1edf0cfad3148bc9d3392d2c4e77925_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzE0LTEtMS0xLTA_42207955-bb32-45cb-b40b-6a11817242d3">732,681</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic49698474f464cebb7e741f10e76bb34_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzE0LTItMS0xLTA_f3349433-9d7d-4612-bc0a-c04d4906248f">964,421</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i756b4d7717a74d60beb65398363838db_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzE0LTUtMS0xLTA_d034b0a7-8949-47d6-ab4d-21d06443adef">16,298</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTpiMWE2MDU4NWFkMDM0ZmM4YWMzNzY3OWQ4MzA0ZDVhZi90YWJsZXJhbmdlOmIxYTYwNTg1YWQwMzRmYzhhYzM3Njc5ZDgzMDRkNWFmXzE0LTYtMS0xLTA_ed006b0b-ebfa-4fb0-993b-c9d63a7efce5">1,680,804</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">84</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div><ix:continuation id="i7cf724050eb94f0a8747759d002090d1"><ix:continuation id="i0968c72f13bc4aff8ceed8055f483cad"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:37.992%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.126%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.126%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.126%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.130%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Year ended December 31, 2019</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;Electric Utilities </span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;Gas Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Inter-company Revenues</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Customer types:</span></td><td colspan="12" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Retail</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0c594b0b033041109961e8043f45113d_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzItMS0xLTEtMA_3169e3ac-465b-46ea-a3b8-e683d1b8aba1">632,936</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i55ad9bbf38084c8287ed65569f62ee37_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzItMi0xLTEtMA_c8bc6559-ae69-4e0a-b51e-fc5a46c4c8b1">817,840</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0b153c6bbfe54d9186320dd4354c05e4_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzItNS0xLTEtMA_2868a1ec-01be-4405-a3e3-a0a2b8d2c4e4">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="idbd775919b7f46fca304a85f317d054f_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzItNi0xLTEtMA_fcd5df13-c2a6-4a4d-9724-3693a4c8e144">1,450,776</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transportation</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i46f94a69acec4574b2dbe3cbb0e3db11_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzMtMS0xLTEtMA_8b2639f3-4bea-4fc7-a5d3-fb5cd53abc0b">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i49daf67332af4d0a88f9edcbba6456f2_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzMtMi0xLTEtMA_2eeed41e-073e-47fa-a010-cfa2a298ab55">143,390</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="idc314c753b62436a865ee2b894bff235_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzMtNS0xLTEtMA_bec8c7d5-5bb7-4d73-9107-2cd28c28d162">1,042</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic2b6689c39184c3bbb9a2419a8c00ba4_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzMtNi0xLTEtMA_24b0daa7-008e-4371-93d5-145ea02e1a10">142,348</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wholesale</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ied4dd458bdcd48d6b887f96f7eb4db04_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzQtMS0xLTEtMA_e36d19de-f0ea-407e-9d54-2ddcd799dfac">28,464</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia138a5ff814f4e3b9456e6aad49e8c54_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzQtMi0xLTEtMA_56de8a78-f8b6-4b79-82de-387b41a98e58">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i76d51ff1004b49a2b9c39d2ad73dd7d6_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzQtNS0xLTEtMA_3fb40f3f-5842-4538-a6ff-dcc3c9ab046c">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6947cd354ee14bf1ab824990126bce33_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzQtNi0xLTEtMA_00150c8e-e8db-4078-9d6c-c2b39c1ffc93">28,464</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Market - off-system sales</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i06882937a7ec45ffadaae21ecf033899_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzUtMS0xLTEtMA_b0042e8c-2156-4d07-85bc-e3681fccf041">16,081</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic1ca6eda0e6f4e048a2aac867faa7b3c_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzUtMi0xLTEtMA_313c047f-fada-45d3-825d-87a6ea10c483">691</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie6e20e01c43948cb9269ffb9e8a1ab84_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzUtNS0xLTEtMA_231a20a7-11b3-43d9-9014-c87ea1018d03">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i5e3f4e0fa6384054a03a253263382afc_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzUtNi0xLTEtMA_a96e3ebf-07b2-4f67-86ae-d0ba2636db2f">16,772</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission/Other</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1c7614beda054e998e475c2e9af7d067_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzYtMS0xLTEtMA_d3012505-e48b-4bc2-b444-4dd88ea1678f">53,750</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i98d997252e704eb5b30b5fbd539133e4_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzYtMi0xLTEtMA_4f9f68cd-6d7d-4f03-ab7e-fbc1aaf79b88">47,725</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0ee4be3b906b4537bbd794f9fd310a76_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzYtNS0xLTEtMA_4aeac23a-e907-4379-ae4f-581e755f7aaf">13,443</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i29270e481cad4eeb8550f2c5356d19cb_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzYtNi0xLTEtMA_56fc3fb6-de0e-4768-9448-f35c8c1a12b0">88,032</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue from contracts with customers</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib0c905f7837e4d9e98ec3808d38fb694_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzctMS0xLTEtMA_9036ea37-c3bb-4458-bfc0-e93d82da112a">731,231</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9b3773fc48344ff184b5fa3932666fc0_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzctMi0xLTEtMA_1a884a3e-39e3-42cd-9651-707150e926ee">1,009,646</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="if004cfc150d947b7a30ebe35acc070ee_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzctNS0xLTEtMA_4574189f-03d0-45af-a25c-51904aa72caa">14,485</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzctNi0xLTEtMA_320abaf2-0071-4788-a75c-a8c2e50fdcfb">1,726,392</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia3b20e95abe64b6581f608e364170f78_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzgtMS0xLTEtMA_f131a7af-2c88-4d10-bc3e-8d526fbcdc13">8,124</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i65ba66e19c9244c2b86599571c7ed2aa_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzgtMi0xLTEtMA_71d66900-adb0-4f01-99cb-df23b355dfe5">384</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iaaeb5df08d9c4fcf93426106b8341b99_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzgtNS0xLTEtMA_49f15b5f-c79c-49a3-8b2e-65d83c15baf4">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib1d7fdde970f49c19c4f8c2960c03ce3_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzgtNi0xLTEtMA_02bd0c5a-e4b5-4c22-b02f-bd49da646dfe">8,508</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total revenues</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib0c905f7837e4d9e98ec3808d38fb694_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzktMS0xLTEtMA_badbb9bf-2a9d-4e15-a61a-384153a98bdc">739,355</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9b3773fc48344ff184b5fa3932666fc0_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzktMi0xLTEtMA_e72a16c2-766d-4071-8418-b5f52b475176">1,010,030</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="if004cfc150d947b7a30ebe35acc070ee_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzktNS0xLTEtMA_b44b8843-83f4-451c-aaf2-b063a6d65a58">14,485</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzktNi0xLTEtMA_79aecd85-4d43-4a74-a2b9-ebc6a8104928">1,734,900</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Timing of revenue recognition:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Services transferred at a point in time</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if515e0fb16bd44039ed1bd7b6967cbe0_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzEyLTEtMS0xLTA_01cc4186-9ba8-4b6f-ae7e-0f3e99038210">27,180</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i396c4a772bb24810a8766949b21b62e6_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzEyLTItMS0xLTA_3707782e-f029-4bb8-bfbc-e19e7b9ef384">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i97503383a6e24ad1b62d770ddc0b138a_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzEyLTUtMS0xLTA_a52f73c8-e9f1-4048-9d1d-c6b6b52d7e1d">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i37fe1abf70c641d4b8a7bcc6a46969a7_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzEyLTYtMS0xLTA_0032b3f9-2d37-48f5-a25d-c3e4701e1b20">27,180</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Services transferred over time</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i79562b34967b4273aa561a1bb637e91c_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzEzLTEtMS0xLTA_30992170-44b2-417d-8035-3a314ad51fe8">704,051</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia6253326f1cb485e9a91a8c250f1f31c_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzEzLTItMS0xLTA_4c4be0ca-caef-4e80-af71-804ae04399e4">1,009,646</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i828a6a9306884fdc99e8eec37a50ad56_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzEzLTUtMS0xLTA_4a8f2123-9e5f-47b0-a7da-44933bf5ea29">14,485</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i691b9acf4c8e410facbaa6a4f3d61261_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzEzLTYtMS0xLTA_170c2564-febe-401a-8fe6-68a039978cbc">1,699,212</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue from contracts with customers</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib0c905f7837e4d9e98ec3808d38fb694_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzE0LTEtMS0xLTA_2621d532-8985-44e3-ad7f-da6f006f1d8d">731,231</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9b3773fc48344ff184b5fa3932666fc0_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzE0LTItMS0xLTA_34d53b71-5754-47db-a567-0cfcaa5686bd">1,009,646</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="if004cfc150d947b7a30ebe35acc070ee_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzE0LTUtMS0xLTA_bd38afe3-cfde-4048-8c06-95dab266368a">14,485</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90YWJsZTo5Y2YyMzkwYzUxNWI0Nzg3YTlhZjEzNWYzNzAyOTVkYy90YWJsZXJhbmdlOjljZjIzOTBjNTE1YjQ3ODdhOWFmMTM1ZjM3MDI5NWRjXzE0LTYtMS0xLTA_96f71984-3334-49b2-8358-c2a30938338f">1,726,392</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></ix:continuation></ix:continuation></div><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_184"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(5)&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90ZXh0cmVnaW9uOmFjOWZjMjFjYTkwOTQ2ODVhMDYyOThmZGEyZTYyMjFhXzQxMg_3552395e-c866-4a50-8fb5-6dd829c02abc" continuedAt="id4fec82b2c074301a0e3606117686107" escape="true">PROPERTY, PLANT AND EQUIPMENT</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="id4fec82b2c074301a0e3606117686107" continuedAt="i368debcd607b406ca5ac143e51212941"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90ZXh0cmVnaW9uOmFjOWZjMjFjYTkwOTQ2ODVhMDYyOThmZGEyZTYyMjFhXzQwOQ_c6833d29-0b0e-4dde-8520-360d9c471d18" continuedAt="i9257b246f33f43d681c068501a79d5f0" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Property, plant and equipment at December 31 consisted of the following (dollars in thousands):</span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:33.110%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.742%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.864%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.868%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Lives (in years)</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Useful Life (in years)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Useful Life (in years)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Minimum</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum</span></td></tr><tr style="height:6pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric plant:</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Production</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibdeb21ca610d4dd3a09d8b889d9de106_I20211231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing" format="ixt:num-dot-decimal" scale="3" 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzQtMi0xLTEtMA_6f14d905-e758-4db3-b66d-2809fbe87afe">41</ix:nonNumeric></span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9cff952978a9449a80c51a25846631c6_I20201231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzQtMy0xLTEtMA_062ca8e5-d05b-411d-89f8-9d773db2cb0e">1,417,951</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i4810ec8db69448c2aa95bcead1b9d303_D20200101-20201231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzQtNC0xLTEtMA_e83bb867-a91e-43de-816f-930ba1696066">40</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i7b720435cfd6478f97be7573581d1655_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzQtNS0xLTEtMA_7fc85baa-c5b9-4ad3-8266-b556b730a530">32</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i9b70238ebfaa4bfea0bdf10b643a6266_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzQtNi0xLTEtMA_5fd406b8-b723-4420-a6a6-54df2d3297f1">45</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric transmission</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8c78bf569b57467092a9e6e6a23bf343_I20211231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentTransmission" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzUtMS0xLTEtMA_8310e247-e522-4f2c-9f5e-6079dea0f6ea">546,126</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i10682389ff5e4635a52ce2997d785642_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzUtMi0xLTEtMA_5dedacd8-ec4c-4acf-840d-e8bb612ca4b4">49</ix:nonNumeric></span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i960d941dc2984bf7a73423806e154b07_I20201231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentTransmission" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzUtMy0xLTEtMA_08008c2a-b1e5-49ee-9030-c84fa633fe01">517,794</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i72914126e7954d03bc5ea91793193776_D20200101-20201231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzUtNC0xLTEtMA_fa4ca468-501c-4c00-bc1d-466c03d7970d">49</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i08d5c7c6ba0b418996fd11b8fbe03a06_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzUtNS0xLTEtMA_fa2964ed-e891-4589-8509-8f5a7a8013fc">43</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ifcec2fde27e945f4a49359b77fcb3ef2_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzUtNi0xLTEtMA_8753f14d-a485-4a13-8af1-717425d9245b">50</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric distribution</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i25f8c2323ec6406d93fb4dcbba786fed_I20211231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentDistribution" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzYtMS0xLTEtMA_b6bf2a04-ed8f-4d97-86c2-09c4f80073cc">1,000,619</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ibfa99ae3ab95429bbdedfb13e509de8b_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzYtMi0xLTEtMA_93049cd3-433c-47ec-a49b-4d222cc3c5bc">47</ix:nonNumeric></span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i685ccf01ba64406ab97ce46d8f38f285_I20201231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentDistribution" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzYtMy0xLTEtMA_ddd98477-c477-4f0d-9351-d3d5c7c4e89b">959,453</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i49dfa6ed81b242e3b2628b3206b8d236_D20200101-20201231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzYtNC0xLTEtMA_4aa37218-2deb-48e4-8f6a-15ce28d55719">46</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="icf18335bbd1b4ee487c1895c49ef390b_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzYtNS0xLTEtMA_22c60da1-b9cb-44ee-b37f-5a70beb3fefd">45</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i1ba78f2279ea4dc9a76755a45d4e91d6_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzYtNi0xLTEtMA_5500155f-db92-4303-af23-f0534252da32">49</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Integrated Generation</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iaf9dbbdd4a0b475c83e4064ad07a337c_I20211231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzctMS0xLTEtNzkyMzY_8f2b2a95-1de9-4c8c-ab10-b1f90ea4bab5">720,490</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i459fe3971cbc4517a2563db69ac7354c_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzctMi0xLTEtNzkyNDM_082a7aeb-7f43-461b-96a2-76e86936e869">30</ix:nonNumeric></span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if6c0220a219943acae36f55e45e1c741_I20201231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzctMy0xLTEtNzkyMTY_0abe955e-b8a4-4b42-8a79-8266a33a49e1">716,479</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="iab07caee83be4a0280b9ae267de796f1_D20200101-20201231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzctNC0xLTEtNzkyMjk_8526661f-c2f4-44d4-b295-1c7a33ca30ad">31</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i82b8a7f13a2b4bca906dc9fb45619e65_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzctNS0xLTEtNzkyNTY_b29503d4-b6ce-4645-a367-d3bc7ad4ae98">2</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i2b2deac928b7429ea57d176a4ca9f56b_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzctNi0xLTEtNzkyNjM_81eb0d31-4781-43e2-a03d-838d8d0ab355">59</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Plant acquisition adjustment </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia259ae0b9be04380820675ca4fd05400_I20211231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzctMS0xLTEtMA_85997c06-fe86-4da1-80d1-38acff0b929d">4,870</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ideeaa66b032b4fa4a8f2914c17bf7256_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzctMi0xLTEtMA_888545f9-a3c0-422d-85f5-b769313fc967">32</ix:nonNumeric></span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib5462fe27bb44b3d9283ef8388f636d1_I20201231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzctMy0xLTEtMA_a8b03aaf-4a55-4a97-ab24-fb795239f32e">4,870</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="icc7e0137952944f18995cee44383f3cb_D20200101-20201231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzctNC0xLTEtMA_567c56b9-4b11-45b0-ba2f-f135436bfe83">32</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ib6d00270d6714736ba1745d88cd765ff_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzctNS0xLTEtMA_027dc723-bab7-4b16-a5ba-5555742ff586">32</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ie5a15ad66c794b6cac30964972b1ceb5_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzctNi0xLTEtMA_ffa5dcca-fe12-4c87-b1eb-17afa66321c6">32</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">General</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1667ff63a80a43fb8721990e4dba785d_I20211231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzgtMS0xLTEtMA_bf7285fd-b8ff-47d4-9d0a-d0ebde545c5b">266,935</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i1dd1f973c4bf4b82bbecd3fec95bb78b_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzgtMi0xLTEtMA_9dabc44c-a609-469b-85f5-8a05bed154f0">28</ix:nonNumeric></span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib5e1e58d3d8a4781b9f39f21a2186885_I20201231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzgtMy0xLTEtMA_9ecb295a-dbe9-4ce6-bcea-c181f0669421">259,010</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i4b168849d2c7441793ad878e8fc56a24_D20200101-20201231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzgtNC0xLTEtMA_cafd44df-68c8-468b-a2d3-c1c9a4ee3c61">28</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i8ae55e811b6c43b9a70f195015db0155_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzgtNS0xLTEtMA_3e3eb8d4-f329-4845-a63f-f42c1d6ba277">25</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i94e70b674c70474297e7f58c3d9a0a4e_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzgtNi0xLTEtMA_2255b09f-82eb-46fb-b9f2-bc595ef35827">31</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total electric plant in service</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0609557764b044beb7a87ead1635f403_I20211231" decimals="-3" name="bkh:PublicUtilitiesPropertyPlantandEquipmentExcludingConstructioninProgress" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzktMS0xLTEtMA_c4eddf9e-cc66-4f89-befe-7ce0721d1b45">3,991,095</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i12add50d78164b10898a9724c9793b15_I20201231" decimals="-3" name="bkh:PublicUtilitiesPropertyPlantandEquipmentExcludingConstructioninProgress" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzktMy0xLTEtMA_e666b0fe-cbcf-42e2-8f42-cee0ee02b083">3,875,557</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Construction work in progress</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0609557764b044beb7a87ead1635f403_I20211231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzEwLTEtMS0xLTA_67275c5c-1e60-4267-a039-057635675c59">181,451</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i12add50d78164b10898a9724c9793b15_I20201231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzEwLTMtMS0xLTA_4125e6c4-50e3-4fd6-ab5a-6428272356b6">95,266</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total electric plant</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0609557764b044beb7a87ead1635f403_I20211231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGross" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzExLTEtMS0xLTA_3b51f164-f863-4436-bba7-040be36b14c7">4,172,546</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i12add50d78164b10898a9724c9793b15_I20201231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGross" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzExLTMtMS0xLTA_3d6afdc9-1f63-4f22-9930-b1977eb926b1">3,970,823</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less accumulated depreciation and depletion</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0609557764b044beb7a87ead1635f403_I20211231" decimals="-3" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzEyLTEtMS0xLTA_3f5b0464-dcec-4f78-8b85-bcee5fc89bb6">1,016,738</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i12add50d78164b10898a9724c9793b15_I20201231" decimals="-3" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzEyLTMtMS0xLTA_89079504-a8fa-4452-8d28-a66990ad869a">960,993</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric plant net of accumulated depreciation and depletion</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0609557764b044beb7a87ead1635f403_I20211231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzEzLTEtMS0xLTA_fe4dcc99-371b-496c-887c-3e69a33a00cb">3,155,808</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i12add50d78164b10898a9724c9793b15_I20201231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo1M2M4ZDk1NDZkNzI0NzM5YWRkMDM4MzAyZTU2MGJlYS90YWJsZXJhbmdlOjUzYzhkOTU0NmQ3MjQ3MzlhZGQwMzgzMDJlNTYwYmVhXzEzLTMtMS0xLTA_e4c6c68d-5afb-4ffc-acc6-9bc13becf9e8">3,009,830</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr></table><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The plant acquisition adjustment is included in rate base and is being recovered with <ix:nonNumeric contextRef="ic841d80666414872a276b619c956c2da_D20210101-20211231" name="bkh:DepreciationDepletionAndAmortizationRemainingAmortizationPeriod" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90ZXh0cmVnaW9uOmFjOWZjMjFjYTkwOTQ2ODVhMDYyOThmZGEyZTYyMjFhXzIxNw_cc1c5495-b6ee-4fa5-81be-328cb950ebe2">9</ix:nonNumeric> years remaining.</span></div></ix:nonNumeric></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">85</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><ix:continuation id="i368debcd607b406ca5ac143e51212941"><ix:continuation id="i9257b246f33f43d681c068501a79d5f0"><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:33.987%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.718%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.718%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.718%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.718%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.718%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.723%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Lives (in years)</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Useful Life (in years)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Useful Life (in years)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Minimum</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum</span></td></tr><tr style="height:6pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas plant:</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Production</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i788a86b3cfb44250a7a9386b792faa4f_I20211231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzQtMS0xLTEtMA_c7953c9c-fef1-4b3b-8961-afa99433d7b1">14,841</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i66dd87a939a0406ab87353875a80097b_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzQtMi0xLTEtMA_823de48f-b8e4-45c1-b999-34d149653490">40</ix:nonNumeric></span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i08154a1cefcb4d66b20c150b02b7cdcf_I20201231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzQtMy0xLTEtMA_3de0035b-ec8b-441c-8ff7-44365939d5fc">15,603</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i97eb5c03125a4fbbac07c6972755eeb3_D20200101-20201231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzQtNC0xLTEtMA_8debac6e-f2aa-4e22-8aca-ef5350ed7f06">40</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="idfce4ddd657740bca6d188d7e318f77f_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzQtNS0xLTEtMA_632769a8-98cf-4f65-aa75-ddd5db348b72">24</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="iabbb77d093c54148b21157f199433844_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzQtNi0xLTEtMA_23a759d2-62c9-48d1-8c51-f869a9553d69">46</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas transmission</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ifdb0d8eceb074296b9dc9f79c706aab5_I20211231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentTransmission" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzUtMS0xLTEtMA_cc1a99f4-e8fa-4452-be64-2e5895b909b3">645,550</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="idec1845fd2cd4581b5e8f60cfda67165_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzUtMi0xLTEtMA_a2dc4f1e-2b91-40d8-a9ca-6d9b5d0926dd">58</ix:nonNumeric></span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1dafda09b1d048baaadfa1523dbdab0c_I20201231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentTransmission" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzUtMy0xLTEtMA_14ab641a-b502-4698-b425-54881248b122">578,278</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ic5dad7a1fcac41509c00c8a73161ee61_D20200101-20201231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzUtNC0xLTEtMA_f995a2a7-cb4b-4fe2-bb89-69c8cbb8225a">54</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i0db1b7672906419bb7b8a2562155ca8d_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzUtNS0xLTEtMA_6214558a-eb6c-4b2c-b708-06f0aefb3fa3">22</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ia60a1e36817848ea8e65e7d3edfc0c4e_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzUtNi0xLTEtMA_1bb34054-f8ea-401a-b2cd-44189ef2d85c">71</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas distribution</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i13cdb90ef36941eca17b59984a108d2f_I20211231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentDistribution" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzYtMS0xLTEtMA_090ebd52-9742-42fe-9618-15d0c1c2a613">2,394,352</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i55e60c3c68654f6f99b3127d5ab5a5c5_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzYtMi0xLTEtMA_525fd9ea-c9a4-474e-ba2b-5ab39074a3fa">53</ix:nonNumeric></span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if53e9982e45f411d94ee0b06b897e9ac_I20201231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentDistribution" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzYtMy0xLTEtMA_344cce60-5580-43ea-b0d5-414e6f328fd1">2,115,082</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ibfc8d214decf428a99de3f6043eb68e3_D20200101-20201231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzYtNC0xLTEtMA_6c8365f6-2d1f-4341-ba9b-3fba6fb54fcd">53</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ic612a98c7a5a4fe7863414557181c7d8_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzYtNS0xLTEtMA_399ead1e-cd13-456e-869c-94f86d682400">45</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="if313fc3c60c24a9c90b06fcd5a21c052_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzYtNi0xLTEtMA_e51c12f0-2b4c-459b-afed-a2240b309c87">59</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cushion gas - depreciable </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6f84f0e33ba042bc9241b6c03ef98bc6_I20211231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzctMS0xLTEtMA_8d7082ca-26f5-4356-b1ad-d0c81b2848bc">3,539</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i50e17442e4c24e1fb427260d018be91e_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzctMi0xLTEtMA_fcf24001-2410-42e3-9696-f954b967ea09">28</ix:nonNumeric></span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if10be8f6a6e1437cb437acbf9fc7bae9_I20201231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzctMy0xLTEtMA_03b5c7fb-721c-485b-b4b2-abe7dcfba17c">3,539</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i73452f93ffda42889f8745f13d3ec43b_D20200101-20201231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzctNC0xLTEtMA_e19812a0-bab6-474a-a133-fa9d22105791">28</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ia1141489cf3c408bb79e2b701399d3ee_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzctNS0xLTEtMA_8f1d2cfe-ffc2-4b69-998c-10931da2d032">28</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i03f6c4a282fc424992b58b2913ad463b_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzctNi0xLTEtMA_fc2a9f21-3339-4f73-b3de-27418423c8e2">28</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cushion gas - not depreciable </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i418a86fd591742dba4a5975048a7165d_I20211231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzgtMS0xLTEtMA_b0057d35-a6c8-4db3-86be-5bc80105385d">42,478</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iae1fc7fdb3634dae8109fa7db6edeba1_I20201231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzgtMy0xLTEtMA_fa6791b2-54e9-451d-b307-98b4a4074bfd">39,184</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Storage</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib61b88b86981493c970a694f69841a0c_I20211231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzktMS0xLTEtMA_13e553c4-5368-4b0a-b5c6-20d336e128a5">56,289</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="if33445a2b83b4b6b8cc01234ca4fdeb1_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzktMi0xLTEtMA_c846302f-a315-4ead-9263-74a053050851">38</ix:nonNumeric></span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if73adce14997499f9b3d784699cf2cfd_I20201231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzktMy0xLTEtMA_03d7a220-4be9-4bd3-87f8-e2a2ca8e61a2">55,481</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ic6ec566a64cf4d3f8848471327877f4f_D20200101-20201231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzktNC0xLTEtMA_af34ce20-9642-4e40-90bf-4914573e0da5">38</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i54e9c25b8ab3491287ca41d83ea59375_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzktNS0xLTEtMA_d17de525-cc25-4f74-b40e-51b2fce0ced7">27</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i08d88c6a70324cf19d03df6c3dc8d354_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzktNi0xLTEtMA_3c961590-af18-46f9-8b06-1189fd52401d">52</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">General</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1cdc084946ac48b5a10a3614388a2998_I20211231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzEwLTEtMS0xLTA_ab4f9684-a082-48e2-9b59-36edcb648be8">474,964</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i6b7282bf3b7c40e49a14705bf9527eba_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzEwLTItMS0xLTA_6a22db72-9a40-47fc-b381-9114c1e9e592">21</ix:nonNumeric></span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if43a2bc288214766b42e39dcc3f12315_I20201231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzEwLTMtMS0xLTA_7dab50c6-cfef-48d3-b997-ee2f7f961e21">438,217</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="iffe628643ffa4efd8cff37c5031b7067_D20200101-20201231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzEwLTQtMS0xLTA_97d51d2b-6b9e-4dc8-afe3-e9331c4f9314">19</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i713b6ae077c64c8f8857dd5b05f82f73_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzEwLTUtMS0xLTA_e8a9a16b-04c1-417e-877d-f5d037b2fcbf">3</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="id3c6aacb59a04194bbe02138dc775dd9_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzEwLTYtMS0xLTA_ee9fea18-da9e-47d8-b60c-21cd7a658945">23</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total gas plant in service</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i08c3f7d9b1e746b68627255476884949_I20211231" decimals="-3" name="bkh:PublicUtilitiesPropertyPlantandEquipmentExcludingConstructioninProgress" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzExLTEtMS0xLTA_e0e82ed8-028c-4094-af1b-f2265bfb976e">3,632,013</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if3e83467458a4d4abf7e4578cc826133_I20201231" decimals="-3" name="bkh:PublicUtilitiesPropertyPlantandEquipmentExcludingConstructioninProgress" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzExLTMtMS0xLTA_c261a9c7-9b7a-429f-9a3f-6a7c67f4a412">3,245,384</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Construction work in progress</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i08c3f7d9b1e746b68627255476884949_I20211231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzEyLTEtMS0xLTA_1293db9c-50b8-49c1-b5c4-6bb0c62e680f">37,860</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if3e83467458a4d4abf7e4578cc826133_I20201231" decimals="-3" name="us-gaap:PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress" format="ixt:num-dot-decimal" scale="3" 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1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if3e83467458a4d4abf7e4578cc826133_I20201231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGross" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzEzLTMtMS0xLTA_2b3d4183-055f-4043-a9b6-93a932605c1e">3,312,613</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less accumulated depreciation</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i08c3f7d9b1e746b68627255476884949_I20211231" decimals="-3" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzE0LTEtMS0xLTA_32471410-07e5-42f2-ae44-fb551e168dc4">389,115</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="if3e83467458a4d4abf7e4578cc826133_I20201231" decimals="-3" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzE1LTEtMS0xLTA_ee4a0328-bae6-4176-9445-91a35bda7c61">3,280,758</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if3e83467458a4d4abf7e4578cc826133_I20201231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZToxMjA3MWQyNzNmMGQ0OTg1YmI1NjkwZjVmNTJmN2M0MS90YWJsZXJhbmdlOjEyMDcxZDI3M2YwZDQ5ODViYjU2OTBmNWY1MmY3YzQxXzE1LTMtMS0xLTA_80cfbaa4-ffc8-4b16-a9f8-fa819cf1baa5">2,988,934</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" 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style="width:1.0%"></td><td style="width:10.157%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.841%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.742%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.695%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.695%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.110%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.260%"></td><td style="width:0.1%"></td></tr><tr><td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span 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style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less Accumulated Depreciation</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Useful Life</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Minimum</span></td><td 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3867fed908a64772b4874b87a381e11a_I20211231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGross" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTpiZmUzZmYwOGU3ODY0MzY1ODVjMmFmNGFkNmM5Y2M2YS90YWJsZXJhbmdlOmJmZTNmZjA4ZTc4NjQzNjU4NWMyYWY0YWQ2YzljYzZhXzItMy0xLTEtMA_dc64683c-0a50-4ed1-90bb-6bae932c0606">14,154</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i3867fed908a64772b4874b87a381e11a_I20211231" decimals="-3" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTpiZmUzZmYwOGU3ODY0MzY1ODVjMmFmNGFkNmM5Y2M2YS90YWJsZXJhbmdlOmJmZTNmZjA4ZTc4NjQzNjU4NWMyYWY0YWQ2YzljYzZhXzItNC0xLTEtMA_ad1b2af2-e924-470b-93a6-9889fa5ae249">1,544</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3867fed908a64772b4874b87a381e11a_I20211231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTpiZmUzZmYwOGU3ODY0MzY1ODVjMmFmNGFkNmM5Y2M2YS90YWJsZXJhbmdlOmJmZTNmZjA4ZTc4NjQzNjU4NWMyYWY0YWQ2YzljYzZhXzItNS0xLTEtMA_a2275dda-c258-49b5-b141-b979052d012a">12,610</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i993d2dcb855a478a9c3313e0a830e7ff_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTpiZmUzZmYwOGU3ODY0MzY1ODVjMmFmNGFkNmM5Y2M2YS90YWJsZXJhbmdlOmJmZTNmZjA4ZTc4NjQzNjU4NWMyYWY0YWQ2YzljYzZhXzItNi0xLTEtMA_fd9d0a9b-5474-40a7-b1a1-52eafa939841">10</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="iaf813958583c48a182ca3a8dbb204491_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTpiZmUzZmYwOGU3ODY0MzY1ODVjMmFmNGFkNmM5Y2M2YS90YWJsZXJhbmdlOmJmZTNmZjA4ZTc4NjQzNjU4NWMyYWY0YWQ2YzljYzZhXzItNy0xLTEtMA_e7af09b0-c51c-4934-94c4-f30a5c9b2aac">10</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i165af8a03f12410b93513db7acb022b4_D20210101-20211231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTpiZmUzZmYwOGU3ODY0MzY1ODVjMmFmNGFkNmM5Y2M2YS90YWJsZXJhbmdlOmJmZTNmZjA4ZTc4NjQzNjU4NWMyYWY0YWQ2YzljYzZhXzItOC0xLTEtMA_c6e5ab25-4e46-45ee-8bb5-44572307b98e">22</ix:nonNumeric></span></td></tr></table></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:17.613%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.987%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.157%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.841%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.742%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.695%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.695%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.110%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.260%"></td><td style="width:0.1%"></td></tr><tr><td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Lives (in years)</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Construction Work in Progress</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Property Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less Accumulated Depreciation</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo4YjIzNTI1NzU5YWY0ZTgxOWQ3MWYzMjdjMTA1NTE2ZS90YWJsZXJhbmdlOjhiMjM1MjU3NTlhZjRlODE5ZDcxZjMyN2MxMDU1MTZlXzItMS0xLTEtMA_62d46697-ea16-45c0-bd08-0df6a99109c4">5,692</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6c229262e42b4dc2859eedfb1983432e_I20201231" decimals="-3" name="us-gaap:ConstructionInProgressGross" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo4YjIzNTI1NzU5YWY0ZTgxOWQ3MWYzMjdjMTA1NTE2ZS90YWJsZXJhbmdlOjhiMjM1MjU3NTlhZjRlODE5ZDcxZjMyN2MxMDU1MTZlXzItMi0xLTEtMA_4e00b1b4-7998-479c-9aaf-35cb54d2bb5a">16,402</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6c229262e42b4dc2859eedfb1983432e_I20201231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGross" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo4YjIzNTI1NzU5YWY0ZTgxOWQ3MWYzMjdjMTA1NTE2ZS90YWJsZXJhbmdlOjhiMjM1MjU3NTlhZjRlODE5ZDcxZjMyN2MxMDU1MTZlXzItMy0xLTEtMA_90b8cf4f-2d78-45f7-8343-f23d2980763a">22,094</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6c229262e42b4dc2859eedfb1983432e_I20201231" decimals="-3" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo4YjIzNTI1NzU5YWY0ZTgxOWQ3MWYzMjdjMTA1NTE2ZS90YWJsZXJhbmdlOjhiMjM1MjU3NTlhZjRlODE5ZDcxZjMyN2MxMDU1MTZlXzItNC0xLTEtMA_0de09ab7-27e6-4a45-a0c4-947345257b44">1,144</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6c229262e42b4dc2859eedfb1983432e_I20201231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo4YjIzNTI1NzU5YWY0ZTgxOWQ3MWYzMjdjMTA1NTE2ZS90YWJsZXJhbmdlOjhiMjM1MjU3NTlhZjRlODE5ZDcxZjMyN2MxMDU1MTZlXzItNS0xLTEtMA_8275db7e-e69a-49a3-bceb-75c12951bb3a">20,950</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i23f6278a01f24b0ea82da8120ec55749_D20200101-20201231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo4YjIzNTI1NzU5YWY0ZTgxOWQ3MWYzMjdjMTA1NTE2ZS90YWJsZXJhbmdlOjhiMjM1MjU3NTlhZjRlODE5ZDcxZjMyN2MxMDU1MTZlXzItNi0xLTEtMA_a1892072-877a-487f-9501-fa51a8e60f01">10</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i0cd5397f53c34c1fb0ddd94757e1cc3e_D20200101-20201231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo4YjIzNTI1NzU5YWY0ZTgxOWQ3MWYzMjdjMTA1NTE2ZS90YWJsZXJhbmdlOjhiMjM1MjU3NTlhZjRlODE5ZDcxZjMyN2MxMDU1MTZlXzItNy0xLTEtMA_a7e72629-f679-47da-9c1b-3293c8aa629f">10</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ia8b4b494c0a84e349874e97ba19ad4da_D20200101-20201231" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90YWJsZTo4YjIzNTI1NzU5YWY0ZTgxOWQ3MWYzMjdjMTA1NTE2ZS90YWJsZXJhbmdlOjhiMjM1MjU3NTlhZjRlODE5ZDcxZjMyN2MxMDU1MTZlXzItOC0xLTEtMA_6f4bb222-ce57-42d0-bc5d-fa0829f299c6">22</ix:nonNumeric></span></td></tr></table></div></ix:continuation></ix:continuation><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_187"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(6)&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="bkh:JointlyOwnedFacilitiesUtilityandNonRegulatedTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzM4NjQ_9ff67e87-53fd-4c82-9862-2a934cafa47a" continuedAt="i6a090d190ea74568acd080e1d505eb6c" escape="true">JOINTLY OWNED FACILITIES</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="i6a090d190ea74568acd080e1d505eb6c" continuedAt="i5a8a991f3fad4e40b1af64eb231bb421"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our consolidated financial statements include our share of several jointly-owned facilities as described below. Our share of the facilities&#8217; expenses are reflected in the appropriate categories of operating expenses in the Consolidated Statements of Income. Each owner of the facility is responsible for financing its investment in the jointly-owned facilities.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Wyodak Plant</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">South Dakota Electric owns a <ix:nonFraction unitRef="number" contextRef="i8ee979336e2a413b97ccd49d849df8a2_I20211231" decimals="INF" name="us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzQ0OA_3f0f1fd5-50c0-4767-a292-bb7c4fc846f5">20</ix:nonFraction>% interest in the Wyodak Plant while PacifiCorp owns the remaining ownership interest and operates the Wyodak Plant. South Dakota Electric receives its proportionate share of the Wyodak Plant&#8217;s capacity and is committed to pay its proportionate share of its additions, replacements and operating and maintenance expenses. In addition to supplying South Dakota Electric with coal for its share of the Wyodak Plant, our mine supplies PacifiCorp&#8217;s share of the coal under a separate long-term agreement. This coal supply agreement is collateralized by a mortgage on and a security interest in some of WRDC&#8217;s coal reserves.</span></div></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">86</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div><div><span><br/></span></div><div><span><br/></span></div></div><ix:continuation id="i5a8a991f3fad4e40b1af64eb231bb421"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Transmission Tie</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">South Dakota Electric owns a <ix:nonFraction unitRef="number" contextRef="i3603578296974f76a0beae64f97c45d1_I20211231" decimals="INF" name="us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzEyNDE_ccb6f46f-36d4-4df6-871a-67eac5b871e3">35</ix:nonFraction>% interest in, and is the operator of, the Converter Station Site and South Rapid City Interconnection (the Transmission Tie), an AC-DC-AC transmission tie. Basin Electric Power Cooperative owns the remaining <ix:nonFraction unitRef="number" contextRef="i3603578296974f76a0beae64f97c45d1_I20211231" decimals="INF" name="bkh:JointlyOwnedUtilityPlantProportionateOwnershipShareOfOtherParty" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzYwNDczMTM5NTc0ODU_7dd242c2-8ae6-4182-9a05-59d9f1840698">65</ix:nonFraction>% interest in the Transmission Tie. South Dakota Electric is committed to pay its proportionate share of the additions and replacements and operating and maintenance expenses of the Transmission Tie.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Wygen III</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">South Dakota Electric owns <ix:nonFraction unitRef="number" contextRef="ief9dd913448a4c1da6fe7652f040ce25_I20211231" decimals="INF" name="us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzE2Nzg_8bb0e3c8-515e-47ec-bf95-a5dde22fa1a0">52</ix:nonFraction>% of the Wygen III generation facility. MDU and the City of Gillette each own an undivided ownership interest in Wygen III and are obligated to make payments for costs associated with administrative services and their proportionate share of the costs of operating the plant for the life of the facility. South Dakota Electric retains responsibility for plant operations. Our mine supplies fuel to Wygen III for the life of the plant.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Wygen I</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Black Hills Wyoming owns <ix:nonFraction unitRef="number" contextRef="id9df02b540c24f4fbc7daca4d65a651d_I20211231" decimals="INF" name="us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzIxNjU_9c03cb62-b8aa-407c-bb91-fa14a41141ba">76.5</ix:nonFraction>% of the Wygen I plant while MEAN owns the remaining ownership interest. MEAN is obligated to make payments for its share of the costs associated with administrative services, plant operations and coal supply provided by our mine during the life of the facility. Black Hills Wyoming retains responsibility for plant operations.</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="bkh:ScheduleOfJointlyOwnedFacilitiesTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzM4NTg_700bf0db-99f2-4996-814e-3749467d33e7" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">At December 31, 2021, our interests in jointly-owned generating facilities and transmission systems were (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:33.453%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.151%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.298%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.151%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.447%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Plant in Service</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Construction Work in Progress</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less Accumulated Depreciation</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Plant Net of Accumulated Depreciation</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyodak Plant</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8ee979336e2a413b97ccd49d849df8a2_I20211231" decimals="-3" name="us-gaap:JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90YWJsZTo0OTJjMzY1OTk5MWE0M2Q1YWY2NThlMTE0NjBkMmQ5NC90YWJsZXJhbmdlOjQ5MmMzNjU5OTkxYTQzZDVhZjY1OGUxMTQ2MGQyZDk0XzEtMi0xLTEtMA_42554601-cace-4e66-a125-9d03e9dc2f7a">882</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i8ee979336e2a413b97ccd49d849df8a2_I20211231" decimals="-3" name="us-gaap:JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation" format="ixt:num-dot-decimal" scale="3" 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id9df02b540c24f4fbc7daca4d65a651d_I20211231" decimals="-3" name="us-gaap:JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90YWJsZTo0OTJjMzY1OTk5MWE0M2Q1YWY2NThlMTE0NjBkMmQ5NC90YWJsZXJhbmdlOjQ5MmMzNjU5OTkxYTQzZDVhZjY1OGUxMTQ2MGQyZDk0XzQtMy0xLTEtMA_8f0fed3f-cb1e-4dfb-b496-70734d43db31">53,784</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id9df02b540c24f4fbc7daca4d65a651d_I20211231" decimals="-3" name="us-gaap:JointlyOwnedUtilityPlantNetOwnershipAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90YWJsZTo0OTJjMzY1OTk5MWE0M2Q1YWY2NThlMTE0NjBkMmQ5NC90YWJsZXJhbmdlOjQ5MmMzNjU5OTkxYTQzZDVhZjY1OGUxMTQ2MGQyZDk0XzQtNC0xLTEtMA_55988b8f-9b20-43f3-9c36-9128febf552c">67,180</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Jointly Owned Facilities - Related Party</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Busch Ranch I</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Colorado Electric owns <ix:nonFraction unitRef="number" contextRef="iced6f8fdd8a94e5f82c4e8802e81361e_I20211231" decimals="INF" name="us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzI3MDI_53ef9311-244d-412b-894e-7bc1eb5bf0e0">50</ix:nonFraction>% of Busch Ranch I while Black Hills Electric Generation owns the remaining <ix:nonFraction unitRef="number" contextRef="i355457d83a3542e283a5acbe64a7c46e_I20211231" decimals="INF" name="us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzI3Nzk_dca9d3ed-1c16-487b-81c6-02e15b8ab8ff">50</ix:nonFraction>% ownership interest.  Each company is obligated to make payments for costs associated with their proportionate share of the costs of operating the wind farm over the life of the facility. Colorado Electric retains responsibility for operations of the wind farm. Black Hills Electric Generation provides its share of energy from the wind farm to Colorado Electric through a PPA, which expires in October 2037.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Cheyenne Prairie</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Cheyenne Prairie serves the utility customers of South Dakota Electric and Wyoming Electric. The facility includes one simple-cycle, <ix:nonFraction unitRef="mw" contextRef="ib646a0df02f74d2796b9544d049882f5_I20211231" decimals="INF" name="bkh:UtilityPlantMegawattCapacity" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzMzNDU_8e17cf00-3261-4c05-a753-e6c383b6ab74">40</ix:nonFraction> MW combustion turbine that is wholly-owned by Wyoming Electric and one combined-cycle, <ix:nonFraction unitRef="mw" contextRef="ib98776e3876240c8aa3ab58a575e03ed_I20211231" decimals="INF" name="bkh:UtilityPlantMegawattCapacity" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzM0MzU_31031e03-e703-479d-87d2-0f9c9f520651">100</ix:nonFraction> MW unit that is jointly-owned by South Dakota Electric (<ix:nonFraction unitRef="mw" contextRef="idf661ea92e0c41d9839f3a0482d4abe4_I20211231" decimals="INF" name="bkh:UtilityPlantMegawattCapacity" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzM0OTQ_428af62f-e62b-43ba-884a-35bead151c07">58</ix:nonFraction> MW) and Wyoming Electric (<ix:nonFraction unitRef="mw" contextRef="i069d22c83f6343788a87a8efa892f151_I20211231" decimals="INF" name="bkh:UtilityPlantMegawattCapacity" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzM1MjM_b9419247-f76e-4457-b4b1-7b289400e829">42</ix:nonFraction> MW). BHSC is responsible for plant operations.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Corriedale</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Corriedale serves as the dedicated wind energy supply for Renewable Ready customers in South Dakota and Wyoming. The <ix:nonFraction unitRef="mw" contextRef="i37a557d86f8c42bfa5a09b36b3b801b0_I20211231" decimals="INF" name="bkh:UtilityPlantMegawattCapacity" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzM3MDU_2a8d739b-3939-48d3-8c4f-46afdbd46673">52.5</ix:nonFraction> MW wind farm is jointly-owned by South Dakota Electric (<ix:nonFraction unitRef="mw" contextRef="i8d30ceebd8c94879b84313c216f02c2b_I20211231" decimals="INF" name="bkh:UtilityPlantMegawattCapacity" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzM3NjQ_e2c35ec2-067f-4ec5-b78e-acc39264696d">32.5</ix:nonFraction> MW) and Wyoming Electric (<ix:nonFraction unitRef="mw" contextRef="i5986a8166b064e3eb5838065d87f1e43_I20211231" decimals="INF" name="bkh:UtilityPlantMegawattCapacity" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzM3OTM_8cb86dc9-6323-40e3-a209-7e5a086de81d">20</ix:nonFraction> MW). BHSC is responsible for operations of the wind farm.</span></div></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">87</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_190"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(7)&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:AssetRetirementObligationDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90ZXh0cmVnaW9uOmU4MjI0ZWZiZTRhNzQxZDE4ZDAzMmY1ZmI3ZTc2Y2VjXzIwMTg_47bdae82-6e97-4c8e-9fd8-fdc7d8c31ba1" continuedAt="idbb75eea80ae4e8491af87af0db78649" escape="true">ASSET RETIREMENT OBLIGATIONS</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="idbb75eea80ae4e8491af87af0db78649"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have identified legal obligations related to reclamation of mining sites; removal of fuel tanks, transformers containing polychlorinated biphenyls, and an evaporation pond; and reclamation of wind turbine sites at our Electric Utilities segment.  In addition, we have identified legal obligations related to retirement of gas pipelines and wells at our Gas Utilities and removal of asbestos at our Utilities. We periodically review and update estimated costs related to these AROs. The actual cost may vary from estimates due to regulatory requirements, changes in technology and increased labor, materials and equipment costs.</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfChangeInAssetRetirementObligationTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90ZXh0cmVnaW9uOmU4MjI0ZWZiZTRhNzQxZDE4ZDAzMmY1ZmI3ZTc2Y2VjXzE5OTk_fd5aad63-5234-4959-8f3d-de0477303e7a" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following tables present the details of AROs which are included on the accompanying Consolidated Balance Sheets in Other deferred credits and other liabilities (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:19.775%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.600%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.600%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.600%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.600%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:14.520%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.605%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities Incurred</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities Settled</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accretion</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revisions to Prior Estimates</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic841d80666414872a276b619c956c2da_D20210101-20211231" decimals="-3" name="us-gaap:AssetRetirementObligationLiabilitiesIncurred" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTplOWNhZjkyNTlkMjk0ZjQzOTc0NGM4OTAyNGE1MWRkYy90YWJsZXJhbmdlOmU5Y2FmOTI1OWQyOTRmNDM5NzQ0Yzg5MDI0YTUxZGRjXzEtMi0xLTEtMA_a5034680-1572-44f7-a018-411653e860f1">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ic841d80666414872a276b619c956c2da_D20210101-20211231" decimals="-3" name="us-gaap:AssetRetirementObligationLiabilitiesSettled" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTplOWNhZjkyNTlkMjk0ZjQzOTc0NGM4OTAyNGE1MWRkYy90YWJsZXJhbmdlOmU5Y2FmOTI1OWQyOTRmNDM5NzQ0Yzg5MDI0YTUxZGRjXzEtMy0xLTEtMA_1e459fd6-d536-4f1f-bf31-7d492d23c18e">978</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic841d80666414872a276b619c956c2da_D20210101-20211231" decimals="-3" name="us-gaap:AssetRetirementObligationAccretionExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTplOWNhZjkyNTlkMjk0ZjQzOTc0NGM4OTAyNGE1MWRkYy90YWJsZXJhbmdlOmU5Y2FmOTI1OWQyOTRmNDM5NzQ0Yzg5MDI0YTUxZGRjXzEtNC0xLTEtMA_b3028df1-a910-4a66-bdc7-2dc93970e7f2">1,315</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic841d80666414872a276b619c956c2da_D20210101-20211231" decimals="-3" name="us-gaap:AssetRetirementObligationRevisionOfEstimate" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTplOWNhZjkyNTlkMjk0ZjQzOTc0NGM4OTAyNGE1MWRkYy90YWJsZXJhbmdlOmU5Y2FmOTI1OWQyOTRmNDM5NzQ0Yzg5MDI0YTUxZGRjXzEtNi0xLTEtMA_d4fb0008-4e59-45ce-aec2-1ae311e16a17">595</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0609557764b044beb7a87ead1635f403_I20211231" decimals="-3" name="us-gaap:AssetRetirementObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTplOWNhZjkyNTlkMjk0ZjQzOTc0NGM4OTAyNGE1MWRkYy90YWJsZXJhbmdlOmU5Y2FmOTI1OWQyOTRmNDM5NzQ0Yzg5MDI0YTUxZGRjXzEtNy0xLTEtMA_4f57f202-b37e-40ed-932b-19a0d0111f04">30,089</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if3e83467458a4d4abf7e4578cc826133_I20201231" decimals="-3" name="us-gaap:AssetRetirementObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTplOWNhZjkyNTlkMjk0ZjQzOTc0NGM4OTAyNGE1MWRkYy90YWJsZXJhbmdlOmU5Y2FmOTI1OWQyOTRmNDM5NzQ0Yzg5MDI0YTUxZGRjXzItMS0xLTEtMA_54293b0b-a103-4599-afda-a229c1b2f78c">42,274</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3bc3dd7528344ba89dbc972201c6d813_D20210101-20211231" decimals="-3" name="us-gaap:AssetRetirementObligationLiabilitiesIncurred" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTplOWNhZjkyNTlkMjk0ZjQzOTc0NGM4OTAyNGE1MWRkYy90YWJsZXJhbmdlOmU5Y2FmOTI1OWQyOTRmNDM5NzQ0Yzg5MDI0YTUxZGRjXzItMi0xLTEtMA_a207b748-8745-4836-a0f1-034c9325e630">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i3bc3dd7528344ba89dbc972201c6d813_D20210101-20211231" decimals="-3" name="us-gaap:AssetRetirementObligationLiabilitiesSettled" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTplOWNhZjkyNTlkMjk0ZjQzOTc0NGM4OTAyNGE1MWRkYy90YWJsZXJhbmdlOmU5Y2FmOTI1OWQyOTRmNDM5NzQ0Yzg5MDI0YTUxZGRjXzItMy0xLTEtMA_9f08c897-ada6-42c0-81a7-7fbb5cd7e662">66</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3bc3dd7528344ba89dbc972201c6d813_D20210101-20211231" decimals="-3" name="us-gaap:AssetRetirementObligationAccretionExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTplOWNhZjkyNTlkMjk0ZjQzOTc0NGM4OTAyNGE1MWRkYy90YWJsZXJhbmdlOmU5Y2FmOTI1OWQyOTRmNDM5NzQ0Yzg5MDI0YTUxZGRjXzItNC0xLTEtMA_1f724454-1b62-4694-bec9-83794ace8c32">1,733</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3bc3dd7528344ba89dbc972201c6d813_D20210101-20211231" decimals="-3" name="us-gaap:AssetRetirementObligationRevisionOfEstimate" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTplOWNhZjkyNTlkMjk0ZjQzOTc0NGM4OTAyNGE1MWRkYy90YWJsZXJhbmdlOmU5Y2FmOTI1OWQyOTRmNDM5NzQ0Yzg5MDI0YTUxZGRjXzItNi0xLTEtMA_ad599b43-6e85-409f-bf2a-91f9b7014430">1,514</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i08c3f7d9b1e746b68627255476884949_I20211231" decimals="-3" name="us-gaap:AssetRetirementObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTplOWNhZjkyNTlkMjk0ZjQzOTc0NGM4OTAyNGE1MWRkYy90YWJsZXJhbmdlOmU5Y2FmOTI1OWQyOTRmNDM5NzQ0Yzg5MDI0YTUxZGRjXzItNy0xLTEtMA_0f0e0fab-9d3b-4291-b6da-8960b114d492">45,455</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:AssetRetirementObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTplOWNhZjkyNTlkMjk0ZjQzOTc0NGM4OTAyNGE1MWRkYy90YWJsZXJhbmdlOmU5Y2FmOTI1OWQyOTRmNDM5NzQ0Yzg5MDI0YTUxZGRjXzUtMS0xLTEtMA_f415acd9-5070-4d65-b6b8-63c042dd10f7">71,431</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:AssetRetirementObligationLiabilitiesIncurred" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTplOWNhZjkyNTlkMjk0ZjQzOTc0NGM4OTAyNGE1MWRkYy90YWJsZXJhbmdlOmU5Y2FmOTI1OWQyOTRmNDM5NzQ0Yzg5MDI0YTUxZGRjXzUtMi0xLTEtMA_23c1e869-261a-4ed5-9205-7828df6c59d0">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:AssetRetirementObligationLiabilitiesSettled" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTplOWNhZjkyNTlkMjk0ZjQzOTc0NGM4OTAyNGE1MWRkYy90YWJsZXJhbmdlOmU5Y2FmOTI1OWQyOTRmNDM5NzQ0Yzg5MDI0YTUxZGRjXzUtMy0xLTEtMA_9a92aecc-6e06-4a41-a46e-a9fbd2cc7a78">1,044</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:AssetRetirementObligationAccretionExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTplOWNhZjkyNTlkMjk0ZjQzOTc0NGM4OTAyNGE1MWRkYy90YWJsZXJhbmdlOmU5Y2FmOTI1OWQyOTRmNDM5NzQ0Yzg5MDI0YTUxZGRjXzUtNC0xLTEtMA_ae877072-fdab-42cf-ba14-1f632cdd4021">3,048</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:AssetRetirementObligationRevisionOfEstimate" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTplOWNhZjkyNTlkMjk0ZjQzOTc0NGM4OTAyNGE1MWRkYy90YWJsZXJhbmdlOmU5Y2FmOTI1OWQyOTRmNDM5NzQ0Yzg5MDI0YTUxZGRjXzUtNi0xLTEtMA_0ee9090b-250c-4122-a283-63c0ed33b8cc">2,109</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:AssetRetirementObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTplOWNhZjkyNTlkMjk0ZjQzOTc0NGM4OTAyNGE1MWRkYy90YWJsZXJhbmdlOmU5Y2FmOTI1OWQyOTRmNDM5NzQ0Yzg5MDI0YTUxZGRjXzUtNy0xLTEtMA_e19fc15b-083a-4298-a8ba-b65f5ceff2cd">75,544</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="margin-top:5pt;text-align:center"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:19.775%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.600%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.600%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.600%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.600%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:14.520%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.605%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2019</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities Incurred</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities Settled</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accretion</span></td><td colspan="3" style="display:none"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revisions to Prior Estimates</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b) (c)</span></div></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i94e7b86066b54e6eb74c7b059274e77b_I20191231" decimals="-3" name="us-gaap:AssetRetirementObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTowODBlOGM5NjhkYTI0ODc0OWVjZDE0ZmM5NzU4ZmExZC90YWJsZXJhbmdlOjA4MGU4Yzk2OGRhMjQ4NzQ5ZWNkMTRmYzk3NThmYTFkXzEtMS0xLTEtMA_ab2329a2-4b21-42ef-91dd-df8433c65c83">28,120</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1edf0cfad3148bc9d3392d2c4e77925_D20200101-20201231" decimals="-3" name="us-gaap:AssetRetirementObligationLiabilitiesIncurred" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTowODBlOGM5NjhkYTI0ODc0OWVjZDE0ZmM5NzU4ZmExZC90YWJsZXJhbmdlOjA4MGU4Yzk2OGRhMjQ4NzQ5ZWNkMTRmYzk3NThmYTFkXzEtMi0xLTEtMA_b49852d6-db2c-407f-af51-e30e9112ef99">1,217</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1edf0cfad3148bc9d3392d2c4e77925_D20200101-20201231" decimals="-3" name="us-gaap:AssetRetirementObligationLiabilitiesSettled" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTowODBlOGM5NjhkYTI0ODc0OWVjZDE0ZmM5NzU4ZmExZC90YWJsZXJhbmdlOjA4MGU4Yzk2OGRhMjQ4NzQ5ZWNkMTRmYzk3NThmYTFkXzEtMy0xLTEtMA_490bbf91-4f50-4ff1-9ffe-30f5b45ca3e5">185</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1edf0cfad3148bc9d3392d2c4e77925_D20200101-20201231" decimals="-3" name="us-gaap:AssetRetirementObligationAccretionExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTowODBlOGM5NjhkYTI0ODc0OWVjZDE0ZmM5NzU4ZmExZC90YWJsZXJhbmdlOjA4MGU4Yzk2OGRhMjQ4NzQ5ZWNkMTRmYzk3NThmYTFkXzEtNC0xLTEtMA_a8f7bec2-1b8b-4849-9976-40a5973778ae">1,230</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1edf0cfad3148bc9d3392d2c4e77925_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:AssetRetirementObligationRevisionOfEstimate" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTowODBlOGM5NjhkYTI0ODc0OWVjZDE0ZmM5NzU4ZmExZC90YWJsZXJhbmdlOjA4MGU4Yzk2OGRhMjQ4NzQ5ZWNkMTRmYzk3NThmYTFkXzEtNi0xLTEtMA_fbeb5d6b-4a2a-4bb9-93bd-20938d033191">1,225</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i12add50d78164b10898a9724c9793b15_I20201231" decimals="-3" name="us-gaap:AssetRetirementObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTowODBlOGM5NjhkYTI0ODc0OWVjZDE0ZmM5NzU4ZmExZC90YWJsZXJhbmdlOjA4MGU4Yzk2OGRhMjQ4NzQ5ZWNkMTRmYzk3NThmYTFkXzEtNy0xLTEtMA_db70b49a-41aa-4086-9406-d47607481217">29,157</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(d)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iba2bfd777b4b43ffaf4135299bf178d5_I20191231" decimals="-3" name="us-gaap:AssetRetirementObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTowODBlOGM5NjhkYTI0ODc0OWVjZDE0ZmM5NzU4ZmExZC90YWJsZXJhbmdlOjA4MGU4Yzk2OGRhMjQ4NzQ5ZWNkMTRmYzk3NThmYTFkXzItMS0xLTEtMA_10e35fe3-641e-426d-9562-d26b47c143b6">36,085</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic49698474f464cebb7e741f10e76bb34_D20200101-20201231" decimals="-3" name="us-gaap:AssetRetirementObligationLiabilitiesIncurred" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTowODBlOGM5NjhkYTI0ODc0OWVjZDE0ZmM5NzU4ZmExZC90YWJsZXJhbmdlOjA4MGU4Yzk2OGRhMjQ4NzQ5ZWNkMTRmYzk3NThmYTFkXzItMi0xLTEtMA_0f8c7636-d9d4-4adf-9440-868b17d3512f">4,782</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ic49698474f464cebb7e741f10e76bb34_D20200101-20201231" decimals="-3" name="us-gaap:AssetRetirementObligationLiabilitiesSettled" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTowODBlOGM5NjhkYTI0ODc0OWVjZDE0ZmM5NzU4ZmExZC90YWJsZXJhbmdlOjA4MGU4Yzk2OGRhMjQ4NzQ5ZWNkMTRmYzk3NThmYTFkXzItMy0xLTEtMA_f96a6467-92b1-4697-8cf9-79ebfc6a2e7a">132</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic49698474f464cebb7e741f10e76bb34_D20200101-20201231" decimals="-3" name="us-gaap:AssetRetirementObligationAccretionExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTowODBlOGM5NjhkYTI0ODc0OWVjZDE0ZmM5NzU4ZmExZC90YWJsZXJhbmdlOjA4MGU4Yzk2OGRhMjQ4NzQ5ZWNkMTRmYzk3NThmYTFkXzItNC0xLTEtMA_5f7a9da4-b2d7-485b-808e-92e88b01340c">1,539</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic49698474f464cebb7e741f10e76bb34_D20200101-20201231" decimals="-3" name="us-gaap:AssetRetirementObligationRevisionOfEstimate" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTowODBlOGM5NjhkYTI0ODc0OWVjZDE0ZmM5NzU4ZmExZC90YWJsZXJhbmdlOjA4MGU4Yzk2OGRhMjQ4NzQ5ZWNkMTRmYzk3NThmYTFkXzItNi0xLTEtMA_428408d4-1c55-49a0-b555-020fac7b192e">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if3e83467458a4d4abf7e4578cc826133_I20201231" decimals="-3" name="us-gaap:AssetRetirementObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTowODBlOGM5NjhkYTI0ODc0OWVjZDE0ZmM5NzU4ZmExZC90YWJsZXJhbmdlOjA4MGU4Yzk2OGRhMjQ4NzQ5ZWNkMTRmYzk3NThmYTFkXzItNy0xLTEtMA_ffe956fb-4bee-49c5-8e60-23b9eac88e7f">42,274</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0775ca58b3d94559b8449be6bfcf8cf6_I20191231" decimals="-3" name="us-gaap:AssetRetirementObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTowODBlOGM5NjhkYTI0ODc0OWVjZDE0ZmM5NzU4ZmExZC90YWJsZXJhbmdlOjA4MGU4Yzk2OGRhMjQ4NzQ5ZWNkMTRmYzk3NThmYTFkXzUtMS0xLTEtMA_fbd0fd53-a5e4-4673-b67a-490c290bd5dd">64,205</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:AssetRetirementObligationLiabilitiesIncurred" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTowODBlOGM5NjhkYTI0ODc0OWVjZDE0ZmM5NzU4ZmExZC90YWJsZXJhbmdlOjA4MGU4Yzk2OGRhMjQ4NzQ5ZWNkMTRmYzk3NThmYTFkXzUtMi0xLTEtMA_c9bedd2f-5720-48f8-8e81-a65bfe03d917">5,999</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:AssetRetirementObligationLiabilitiesSettled" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTowODBlOGM5NjhkYTI0ODc0OWVjZDE0ZmM5NzU4ZmExZC90YWJsZXJhbmdlOjA4MGU4Yzk2OGRhMjQ4NzQ5ZWNkMTRmYzk3NThmYTFkXzUtMy0xLTEtMA_78dc46c6-be56-4e65-a882-3bebf8da2c64">317</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:AssetRetirementObligationAccretionExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTowODBlOGM5NjhkYTI0ODc0OWVjZDE0ZmM5NzU4ZmExZC90YWJsZXJhbmdlOjA4MGU4Yzk2OGRhMjQ4NzQ5ZWNkMTRmYzk3NThmYTFkXzUtNC0xLTEtMA_e58ab131-b7b5-4ee7-8333-3b126c32b0cd">2,769</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="display:none"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:AssetRetirementObligationRevisionOfEstimate" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTowODBlOGM5NjhkYTI0ODc0OWVjZDE0ZmM5NzU4ZmExZC90YWJsZXJhbmdlOjA4MGU4Yzk2OGRhMjQ4NzQ5ZWNkMTRmYzk3NThmYTFkXzUtNi0xLTEtMA_1ada9c93-391c-4cee-ba09-b630e567767f">1,225</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:AssetRetirementObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90YWJsZTowODBlOGM5NjhkYTI0ODc0OWVjZDE0ZmM5NzU4ZmExZC90YWJsZXJhbmdlOjA4MGU4Yzk2OGRhMjQ4NzQ5ZWNkMTRmYzk3NThmYTFkXzUtNy0xLTEtMA_78b1e80e-e535-476a-b38e-395fc20144e2">71,431</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The Revisions to Prior Estimates were primarily driven by changes in estimates associated with natural gas wells.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;Liabilities incurred were related to new wind assets.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;The Revisions to Prior Estimates were primarily driven by changes in estimated costs associated with back-filling the pit with overburden removed during the mining process.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(d)&#160;&#160;&#160;&#160;Liabilities incurred were driven by an increase in gas pipeline miles; which increases our legal liability for retirement of gas pipelines, specifically to purge and cap these lines in accordance with federal regulations.</span></div></ix:nonNumeric><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We also have legally required AROs related to certain assets within our electric transmission and distribution systems. These retirement obligations are pursuant to an easement or franchise agreement and are only required if we discontinue our utility service under such easement or franchise agreement. Accordingly, it is not possible to estimate a time period when these obligations could be settled, and therefore, a liability for the cost of these obligations cannot be measured at this time.</span></div></ix:continuation><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_196"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(8)&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:DebtDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyODA4MzI_43702f4f-5fde-40df-9c17-7a4c9fe62dac" continuedAt="ie8a8304178cb40289b01f1bd560a91f2" escape="true">FINANCING</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="ie8a8304178cb40289b01f1bd560a91f2" continuedAt="i406fee37a4484e8dbfc0b167cd870086"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Short-term debt</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfShortTermDebtTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzc1NTc_3d3b9bbe-6fc9-46df-9079-5db974911e38" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We had the following Notes payable outstanding at the Consolidated Balance Sheets date (in thousands):</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:44.514%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.496%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.496%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.496%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.498%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance Outstanding</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Letters of Credit </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance Outstanding</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Letters of Credit </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revolving Credit Facility</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i4abf3a012c5e44c5b95192f1babdc76d_I20211231" decimals="-3" name="us-gaap:ShortTermBorrowings" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTo5NWE0YjAyMTRiYzE0YjE4YTAzZjAzOWU2Zjc1Y2ExZS90YWJsZXJhbmdlOjk1YTRiMDIxNGJjMTRiMThhMDNmMDM5ZTZmNzVjYTFlXzItMS0xLTEtMA_c2725624-0324-454f-902a-367b416c4aeb">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i4abf3a012c5e44c5b95192f1babdc76d_I20211231" decimals="-3" name="us-gaap:LettersOfCreditOutstandingAmount" format="ixt:num-dot-decimal" scale="3" 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unitRef="usd" contextRef="if599cda757c84e8c87f15ea9177ae2f2_I20201231" decimals="-3" name="us-gaap:ShortTermBorrowings" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTo5NWE0YjAyMTRiYzE0YjE4YTAzZjAzOWU2Zjc1Y2ExZS90YWJsZXJhbmdlOjk1YTRiMDIxNGJjMTRiMThhMDNmMDM5ZTZmNzVjYTFlXzItMy0xLTEtMA_70dc965c-8924-462e-89c6-8cc5b47b0e88">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if599cda757c84e8c87f15ea9177ae2f2_I20201231" decimals="-3" name="us-gaap:LettersOfCreditOutstandingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTo5NWE0YjAyMTRiYzE0YjE4YTAzZjAzOWU2Zjc1Y2ExZS90YWJsZXJhbmdlOjk1YTRiMDIxNGJjMTRiMThhMDNmMDM5ZTZmNzVjYTFlXzItNC0xLTEtMA_6624c205-671e-4c67-b6f2-3f39f24b0ce0">24,730</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">CP Program</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1cbfa809da6a4a75a259a814b26c4d09_I20211231" decimals="-3" name="us-gaap:ShortTermBorrowings" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTo5NWE0YjAyMTRiYzE0YjE4YTAzZjAzOWU2Zjc1Y2ExZS90YWJsZXJhbmdlOjk1YTRiMDIxNGJjMTRiMThhMDNmMDM5ZTZmNzVjYTFlXzMtMS0xLTEtMA_5d17c2ec-83d8-4ad2-8642-c177aa2cc66c">420,180</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1cbfa809da6a4a75a259a814b26c4d09_I20211231" decimals="-3" name="us-gaap:LettersOfCreditOutstandingAmount" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTo5NWE0YjAyMTRiYzE0YjE4YTAzZjAzOWU2Zjc1Y2ExZS90YWJsZXJhbmdlOjk1YTRiMDIxNGJjMTRiMThhMDNmMDM5ZTZmNzVjYTFlXzMtMi0xLTEtMA_fba16324-e54f-4b18-8a6e-420a7051d8be">&#8212;</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9ad0b74c8b5a457f86cbc3997fe1614f_I20201231" decimals="-3" name="us-gaap:ShortTermBorrowings" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTo5NWE0YjAyMTRiYzE0YjE4YTAzZjAzOWU2Zjc1Y2ExZS90YWJsZXJhbmdlOjk1YTRiMDIxNGJjMTRiMThhMDNmMDM5ZTZmNzVjYTFlXzMtMy0xLTEtMA_a3c6f93f-a755-48c7-986f-b7857a91d93a">234,040</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9ad0b74c8b5a457f86cbc3997fe1614f_I20201231" decimals="-3" name="us-gaap:LettersOfCreditOutstandingAmount" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTo5NWE0YjAyMTRiYzE0YjE4YTAzZjAzOWU2Zjc1Y2ExZS90YWJsZXJhbmdlOjk1YTRiMDIxNGJjMTRiMThhMDNmMDM5ZTZmNzVjYTFlXzMtNC0xLTEtMA_56df65f3-0e33-4984-a2de-9ced79ea24f2">&#8212;</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:ShortTermBorrowings" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTo5NWE0YjAyMTRiYzE0YjE4YTAzZjAzOWU2Zjc1Y2ExZS90YWJsZXJhbmdlOjk1YTRiMDIxNGJjMTRiMThhMDNmMDM5ZTZmNzVjYTFlXzQtMS0xLTEtMA_371b48e2-b8df-4278-8247-4234e20a7197">420,180</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LettersOfCreditOutstandingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTo5NWE0YjAyMTRiYzE0YjE4YTAzZjAzOWU2Zjc1Y2ExZS90YWJsZXJhbmdlOjk1YTRiMDIxNGJjMTRiMThhMDNmMDM5ZTZmNzVjYTFlXzQtMi0xLTEtMA_c33a943b-e23f-4d64-8180-af78adaf3995">27,209</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:ShortTermBorrowings" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTo5NWE0YjAyMTRiYzE0YjE4YTAzZjAzOWU2Zjc1Y2ExZS90YWJsZXJhbmdlOjk1YTRiMDIxNGJjMTRiMThhMDNmMDM5ZTZmNzVjYTFlXzQtMy0xLTEtMA_98c48c95-88dd-4173-adb5-a0ac157b242b">234,040</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:LettersOfCreditOutstandingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTo5NWE0YjAyMTRiYzE0YjE4YTAzZjAzOWU2Zjc1Y2ExZS90YWJsZXJhbmdlOjk1YTRiMDIxNGJjMTRiMThhMDNmMDM5ZTZmNzVjYTFlXzQtNC0xLTEtMA_6d762584-cc3c-4b73-974a-47b5eb0342c8">24,730</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Letters of credit are off-balance sheet commitments that reduce the borrowing capacity available on our corporate Revolving Credit Facility.</span></div></ix:nonNumeric></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">88</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="i406fee37a4484e8dbfc0b167cd870086" continuedAt="i850129af34d7444bb42d154037c53b1b"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Revolving Credit Facility and CP Program</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On July 19, 2021, we amended and restated our corporate Revolving Credit Facility, maintaining total commitments of $<ix:nonFraction unitRef="usd" contextRef="id7b0542dd1f943a78fe063f32e43462a_I20210719" decimals="-6" name="us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzQ1Ng_cc9d8d23-4b04-4a47-af5d-3ed972a3d3f6">750</ix:nonFraction> million and extending the term through July 19, 2026 with <ix:nonFraction unitRef="credit_extension" contextRef="i4abf3a012c5e44c5b95192f1babdc76d_I20211231" decimals="INF" name="bkh:NumberOfOneYearExtensionOptions" format="ixt-sec:numwordsen" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzQ5OA_22b517b5-9df6-4770-9912-805ba181b0b8">two</ix:nonFraction> <ix:nonNumeric contextRef="ifc9f0f3a037c4e8482c3f9f2f1d9a392_D20210101-20211231" name="us-gaap:DebtInstrumentTerm" format="ixt-sec:durwordsen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzUwMQ_fe6e201d-7c00-49ff-b20d-d803bb2ffbd0">one year</ix:nonNumeric> extension options (subject to consent from lenders). This Revolving Credit Facility is similar to the former revolving credit facility, which includes an accordion feature that allows us to increase total commitments up to $<ix:nonFraction unitRef="usd" contextRef="id7b0542dd1f943a78fe063f32e43462a_I20210719" decimals="INF" name="us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity" format="ixt:num-dot-decimal" scale="9" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzM4NDgyOTA3MjIxOTI_d2bdc8ca-ea84-435c-b78f-06c767048519">1.0</ix:nonFraction> billion with the consent of the administrative agent, the issuing agents and each bank increasing or providing a new commitment. Borrowings continue to be available under a base rate or various Eurodollar rate options. The interest costs associated with the letters of credit or borrowings and the commitment fee under the Revolving Credit Facility are determined based upon our Corporate credit rating from S&amp;P, Fitch and Moody's for our senior unsecured long-term debt. Based on our current credit ratings, the margins for base rate borrowings, Eurodollar borrowings and letters of credit were <ix:nonFraction unitRef="number" contextRef="i3a0901583c814d37a2df64e83ef0b936_I20211231" decimals="5" name="us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzEyMzk_e7944602-2e36-4734-872c-2c0e25846cd7">0.125</ix:nonFraction>%, <ix:nonFraction unitRef="number" contextRef="i4a6f6d773e034395bd1826534c136c4c_I20211231" decimals="5" name="us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzEyNDM_4e5e41db-b0e8-4fe3-8c13-95c55486a42d">1.125</ix:nonFraction>% and <ix:nonFraction unitRef="number" contextRef="ia57a51ab6bc046a8a1984c256baf6fe6_I20211231" decimals="5" name="us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzEyNTA_42e2c0ea-e772-4aee-9025-a4dd30cf58f7">1.125</ix:nonFraction>%, respectively, at December 31, 2021. Based on our credit ratings, a <ix:nonFraction unitRef="number" contextRef="ifc9f0f3a037c4e8482c3f9f2f1d9a392_D20210101-20211231" decimals="5" name="us-gaap:LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzEzMDc_3e2d5513-4cc7-4d25-a576-117ade6d6f1f">0.175</ix:nonFraction>% commitment fee was charged on the unused amount at December 31, 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have a $<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-6" name="bkh:CommercialPaperMaximumBorrowingCapacity" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzEzNzY_090fc835-b2a7-4152-8e41-43ba2e9edf62">750</ix:nonFraction> million, unsecured CP Program that is backstopped by the Revolving Credit Facility. Amounts outstanding under the Revolving Credit Facility and the CP Program, either individually or in the aggregate, cannot exceed $<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-6" name="bkh:CommercialPaperMaximumBorrowingCapacity" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzE1ODc_cf81a3ac-dc8a-4cd3-93cc-a7deadd290fe">750</ix:nonFraction> million. The notes issued under the CP Program may have maturities not to exceed <ix:nonNumeric contextRef="i8bb06c06f0194230b4bd31d3ccac023f_D20210101-20211231" name="us-gaap:DebtInstrumentTerm" format="ixt-sec:durday" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzE2NjM_cdd3f976-4950-48a0-81e2-dd471d6ccc9b">397</ix:nonNumeric> days from the date of issuance and bear interest (or are sold at par less a discount representing an interest factor) based on, among other things, the size and maturity date of the note, the frequency of the issuance and our credit ratings. Under the CP Program, any borrowings rank equally with our unsecured debt. Notes under the CP Program are not registered and are offered and issued pursuant to a registration exemption.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our net short-term borrowings (payments) during 2021 were $<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-6" name="bkh:NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxNTI_8d2256b3-23ab-49a3-a2d1-8828fa28ec76">186</ix:nonFraction> million. As of December 31, 2021, the weighted average interest rate on short-term borrowings was <ix:nonFraction unitRef="number" contextRef="i1cbfa809da6a4a75a259a814b26c4d09_I20211231" decimals="4" name="us-gaap:DebtWeightedAverageInterestRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIyMzE_a9362c40-4dd7-4c33-8947-08f69a677c50">0.30</ix:nonFraction>%.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Total accumulated deferred financing costs on the Revolving Credit Facility of $<ix:nonFraction unitRef="usd" contextRef="i4abf3a012c5e44c5b95192f1babdc76d_I20211231" decimals="-5" name="us-gaap:DeferredFinanceCostsNoncurrentGross" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIzMTY_8f6356c3-ee1c-4adf-a211-09f7426a0297">8.9</ix:nonFraction> million are being amortized over its estimated useful life and were included in Interest expense on the accompanying Consolidated Statements of Income. See below for additional details.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Term Loan</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On February 24, 2021, we entered into a <ix:nonNumeric contextRef="ie57295ac312e4b70ac4082527750d726_D20210224-20210224" name="us-gaap:DebtInstrumentTerm" format="ixt-sec:durwordsen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzY1MzA_b820e09f-7fdf-4485-9f2c-531a1fba3531">nine-month</ix:nonNumeric>, $<ix:nonFraction unitRef="usd" contextRef="ie57295ac312e4b70ac4082527750d726_D20210224-20210224" decimals="-6" name="us-gaap:ProceedsFromOtherShortTermDebt" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzY0OTY_d04d323b-c6c5-42a8-8a8d-8837f1754349">800</ix:nonFraction>&#160;million unsecured term loan to provide additional liquidity and to meet our cash needs related to the incremental fuel, purchased power and natural gas costs from Winter Storm Uri. The term loan, carried <ix:nonFraction unitRef="usd" contextRef="iadc9aff9db70413a926aba97865dcf42_D20210101-20211231" decimals="-3" name="us-gaap:PaymentsOfDebtExtinguishmentCosts" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzYwNDczMTM5Nzc4Nzg_bc1a431d-1bd3-4645-82fb-deca4d6cee9d">no</ix:nonFraction> prepayment penalty and was subject to the same covenant requirements as our Revolving Credit Facility. We repaid $<ix:nonFraction unitRef="usd" contextRef="i49c1de7bbe604c1e969594805abaf56a_D20210101-20210331" decimals="-6" name="us-gaap:RepaymentsOfOtherShortTermDebt" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzY1MTE_fac3ea15-e484-4f50-912c-ef351ffafce3">200</ix:nonFraction>&#160;million of this term loan in the first quarter of 2021. Proceeds from the August 26, 2021 public debt offering (discussed below) were used to repay the remaining balance on this term loan.</span></div></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">89</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="i850129af34d7444bb42d154037c53b1b" continuedAt="i0ffb7b349c7e46af89ed1c8f588d5f64"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Long-term debt</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfDebtInstrumentsTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzc1Mzg_84a3f2d8-1056-416b-ba4a-23b6a79e7005" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Long-term debt outstanding was as follows (dollars in thousands):</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:42.970%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.469%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.784%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.637%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.640%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest Rate at</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Balance Outstanding</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Due Date</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline">Corporate</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes due 2023</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">November 30, 2023</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i528d90b3f32f4860a9bd60262c472179_I20211231" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzMtMi0xLTEtMA_77a09ec0-8007-4bf1-aaac-d8fa51c9f401">4.25</ix:nonFraction>%</span></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i528d90b3f32f4860a9bd60262c472179_I20211231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzMtMy0xLTEtMA_9b4b19c1-22dc-4a70-bf84-24d3bcc02485">525,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i11752d3c6ffd488691e662d97ef5c173_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzMtNC0xLTEtMA_0b708284-1dca-4ed5-8c95-0cf5be330421">525,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes due 2024</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">August 23, 2024</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="iae42c941f42d4e148ee3168bb1c1023d_I20211231" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzQtMi0xLTEtNzA4MTQ_755b5efa-9a94-4626-b85d-ba485eb41230">1.04</ix:nonFraction>%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iae42c941f42d4e148ee3168bb1c1023d_I20211231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzQtMy0xLTEtNzA4MjE_35cba3e6-a499-4f3c-8961-97ec2d3e3ffa">600,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i137d3324e41d417493e5d1b36922a936_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzQtNC0xLTEtNzA4MjQ_4a1dd74c-085b-49ab-8639-cf390daa72af">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes due 2026</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">January 15, 2026</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="iabf3495199ab40638b0d56da7063e5e4_I20211231" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzQtMi0xLTEtMA_fbba1183-5db4-4354-b831-6105d73635df">3.95</ix:nonFraction>%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iabf3495199ab40638b0d56da7063e5e4_I20211231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzQtMy0xLTEtMA_d8978c70-f486-4b96-95d1-d67f3d52165b">300,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i4932db491d8041769995a8e5830a0d7d_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzQtNC0xLTEtMA_b3496a32-c78b-4ad7-b435-4525a1ac4602">300,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes due 2027</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">January 15, 2027</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="iaaf9ac0bff5b43568694d280e186e944_I20211231" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzUtMi0xLTEtMA_32eb2644-ac77-4d4b-9c9e-fa309a8aaa27">3.15</ix:nonFraction>%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iaaf9ac0bff5b43568694d280e186e944_I20211231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzUtMy0xLTEtMA_53bc8060-10ef-4f80-9b7c-35118b2ade7e">400,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ica144a0b05ce495190c4d6e5efa0b217_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzUtNC0xLTEtMA_8fc2f620-a427-4b31-8699-57e5425493d1">400,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes, due 2029</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">October 15, 2029</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i027547c0ab1c47478f16d5705e2863e6_I20211231" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzYtMi0xLTEtMA_404dced7-ff45-4295-bcd4-47f84ac003a7">3.05</ix:nonFraction>%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i027547c0ab1c47478f16d5705e2863e6_I20211231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzYtMy0xLTEtMA_89f914ac-cec5-4c23-98a7-f5a47611ad9b">400,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ifb685aa776ca464abe72e308dc5f3572_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzYtNC0xLTEtMA_4a307fe8-7bc0-441a-9cf1-9d927803f30b">400,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes, due 2030</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">June 15, 2030</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i5725ca866b404180988cf47679cccaba_I20211231" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzctMi0xLTEtMA_336eb48b-ee98-472d-9677-a338671e0847">2.50</ix:nonFraction>%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i5725ca866b404180988cf47679cccaba_I20211231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzctMy0xLTEtMA_c31cdfa0-75f8-49d9-a760-c0c19efb56fc">400,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i4d0946ab10ab456b87871a972799b19d_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzctNC0xLTEtMA_bf74905b-7db7-4545-bfde-b471a19c430e">400,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes due 2033</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">May 1, 2033</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="ice656201884d434ca4820078ea4feb7a_I20211231" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzgtMi0xLTEtMA_aba696f3-f32c-4ffe-912c-f0e64e03afc4">4.35</ix:nonFraction>%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ice656201884d434ca4820078ea4feb7a_I20211231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzgtMy0xLTEtMA_fbdb0fa5-1d81-4acb-a57c-35bfc1417181">400,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i33e3e388de6d4f2eb4d3e2839a393713_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzgtNC0xLTEtMA_5170da29-a324-44ce-a560-5e6da462fb6b">400,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes, due 2046</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">September 15, 2046</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i03e15714bd6e40cea101773921fa09dd_I20211231" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzktMi0xLTEtMA_5c7c15ae-5471-47a1-adc3-7ab81cc77a23">4.20</ix:nonFraction>%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if47573657efa402f8ef4269630a093c1_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzktNC0xLTEtMA_d9f8ac2e-fbd9-4823-8d05-3fedb868585f">300,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes, due 2049</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">October 15, 2049</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i80f2c369f27846a2b6753905cc754b78_I20211231" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzEwLTItMS0xLTA_cebc6761-f178-4062-b963-8d4098a08237">3.88</ix:nonFraction>%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i80f2c369f27846a2b6753905cc754b78_I20211231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzEwLTMtMS0xLTA_dcf75bbb-a062-4fde-a7c0-2d212c4c25e3">300,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="icdaef617e71b46e99dbec0fc0e58fbef_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzEwLTQtMS0xLTA_fbfb58a8-9351-4efd-b163-9409ea4bf2eb">300,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Corporate term loan due 2021</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">June 7, 2021</span></td><td 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzExLTMtMS0xLTA_aa8381ed-04f8-4fcf-ac74-d8d3a1d6921f">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6c89a9cf693546c3ac022ca05234704f_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzExLTQtMS0xLTA_7aa8d055-bba5-4c27-96a3-8b8bf69413e7">1,436</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Corporate debt</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i266e0f07179e4483baa545b9ae634556_I20211231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzEyLTMtMS0xLTA_8e6b0523-8b3e-4ff8-9a94-fe388c002bd4">3,625,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ifb11c310989540969c7fd601b3fee167_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzEyLTQtMS0xLTA_8a9809c7-de9c-4747-914d-e6c4a6296ff3">3,026,436</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Less unamortized debt discount</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i266e0f07179e4483baa545b9ae634556_I20211231" decimals="-3" name="us-gaap:DebtInstrumentUnamortizedDiscount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzEzLTMtMS0xLTA_7eab75f6-6b0d-409d-930d-a964e76a4f30">6,125</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ifb11c310989540969c7fd601b3fee167_I20201231" decimals="-3" name="us-gaap:DebtInstrumentUnamortizedDiscount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzEzLTQtMS0xLTA_e8f60253-3b18-4873-bc20-44a148bfb336">7,013</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Corporate debt, net</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i266e0f07179e4483baa545b9ae634556_I20211231" decimals="-3" name="bkh:LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzE0LTMtMS0xLTA_e9bae72a-c9ad-4cbb-85c9-feecccfff32c">3,618,875</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 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style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline">South Dakota Electric</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">First Mortgage Bonds due 2032</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">August 15, 2032</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="ie410634f7a7b4270a6c3019c7668c87c_I20211231" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzE4LTItMS0xLTA_ff9e26e8-2a9a-4c46-9988-118899b6c0d0">7.23</ix:nonFraction>%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie410634f7a7b4270a6c3019c7668c87c_I20211231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzE4LTMtMS0xLTA_d57dbd85-e680-429b-bb43-1484fa92e7c4">75,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i009f1a1c8a864837ae503b02c913a054_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzE4LTQtMS0xLTA_51698c52-171a-4217-bfb8-9ce21087a571">75,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">First Mortgage Bonds due 2039</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">November 1, 2039</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i8e7757b2951747c9914cfa991bc161ab_I20211231" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzE5LTItMS0xLTA_99cce664-7b3f-42a9-819e-880e8fefb082">6.13</ix:nonFraction>%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8e7757b2951747c9914cfa991bc161ab_I20211231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzE5LTMtMS0xLTA_2a7a1044-a3da-4e5b-83d4-6767e4cbb51f">180,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i4b90daecc0a7458388d6eb825230794a_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzE5LTQtMS0xLTA_8ed65d7e-bebd-4f5b-b081-d35005c786d2">180,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">First Mortgage Bonds due 2044</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">October 20, 2044</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="if94180c128744ebaa447661224d16a9a_I20211231" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzIwLTItMS0xLTA_f644100f-cc53-45a3-87ec-e51f1461c378">4.43</ix:nonFraction>%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if94180c128744ebaa447661224d16a9a_I20211231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzIwLTMtMS0xLTA_ee64d4d9-a180-4d54-83f2-14dd8bb4a389">85,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9c3ff45757324774b331fc9652d8a88c_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzIwLTQtMS0xLTA_509008ce-91aa-43f2-936f-5e7f14fdb0e1">85,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total South Dakota Electric debt</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i62fe1bb07fa44592b86a4fcc1f0f4d22_I20211231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzIxLTMtMS0xLTA_e502fea2-e183-488f-9169-c9bd8df7bd1c">340,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i469e701c79bb4d9b901ef0f27f66a324_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzIxLTQtMS0xLTA_82b4a2e1-fa6b-4e6b-8369-f3365d93e131">340,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Less unamortized debt discount</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i62fe1bb07fa44592b86a4fcc1f0f4d22_I20211231" decimals="-3" name="us-gaap:DebtInstrumentUnamortizedDiscount" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzIyLTMtMS0xLTA_a3f4ffe1-d052-4d4b-bf48-94640ec637e4">74</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i469e701c79bb4d9b901ef0f27f66a324_I20201231" decimals="-3" name="us-gaap:DebtInstrumentUnamortizedDiscount" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzIyLTQtMS0xLTA_779ebaa4-7467-4d05-86ce-f4b98ca6768d">78</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total South Dakota Electric debt, net</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i62fe1bb07fa44592b86a4fcc1f0f4d22_I20211231" decimals="-3" name="bkh:LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzIzLTMtMS0xLTA_05841b8a-e09e-4038-a8bf-42ab0d4dcad3">339,926</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i469e701c79bb4d9b901ef0f27f66a324_I20201231" decimals="-3" name="bkh:LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzIzLTQtMS0xLTA_0426e847-67a8-4830-8d47-e8b257c59f11">339,922</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline">Wyoming Electric</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Industrial development revenue bonds due 2021</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">September 1, 2021</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i56f5ca7d39aa4eef8a37809229b7adbd_I20211231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzI2LTMtMS0xLTA_1642b205-9221-4445-8213-801fc6bd06df">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i61fdef9c8aea4ef1b62853b76f261438_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzI2LTQtMS0xLTA_9803379f-d8a6-49ed-9099-32d4c2e73f2f">7,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Industrial development revenue bonds due 2027</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(a) (b)</span></div></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">March 1, 2027</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i66f0ea19f26c4bc2859a88d51e86d155_I20211231" decimals="4" name="us-gaap:LongTermDebtPercentageBearingVariableInterestRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzI3LTItMS0xLTA_0bf14c42-cdea-43cc-a9d9-e0e20f6b2c53">0.15</ix:nonFraction>%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i66f0ea19f26c4bc2859a88d51e86d155_I20211231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzI3LTMtMS0xLTA_548f486d-3908-4c11-ae0a-095234ffb66c">10,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9478d0fb912a4745b6661cea8f428ecb_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzI3LTQtMS0xLTA_e715c8d9-3c20-4078-b4f6-e1c290ceb836">10,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">First Mortgage Bonds due 2037</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">November 20, 2037</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i2eb5627193b74c69b205c6886c801680_I20211231" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzI4LTItMS0xLTA_9609ad14-0454-4903-a355-25c16ed9dcad">6.67</ix:nonFraction>%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2eb5627193b74c69b205c6886c801680_I20211231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzI4LTMtMS0xLTA_372389e3-9624-4656-8b20-9760d6816734">110,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i4dc06aa9d84745e3854429a80ef1df0e_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzI4LTQtMS0xLTA_f63f1f2a-ec15-4dc3-bde2-c2226de223e8">110,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">First Mortgage Bonds due 2044</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">October 20, 2044</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i149c87a5a46a44899e17898f18b09001_I20211231" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzI5LTItMS0xLTA_bbf6e08e-f90e-4bd9-bd72-95b432270dab">4.53</ix:nonFraction>%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i149c87a5a46a44899e17898f18b09001_I20211231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzI5LTMtMS0xLTA_d7e24422-b115-49af-9c37-a7c6da2ddfff">75,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id05ef01e50ca42a6b3d4f73b2767ced3_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzI5LTQtMS0xLTA_0391018d-707b-422e-885e-fcd024af2eff">75,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Wyoming Electric debt</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iec0ed9fad1174e358bba85400adbd35b_I20211231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzMwLTMtMS0xLTA_95b022d0-a1e0-4c25-9b33-b923c7bfb7c4">195,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i405597958cbb4c9790aa6f797b5f97eb_I20201231" decimals="-3" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzMwLTQtMS0xLTA_48fd056e-bfac-49b0-a859-8ee385cb9a15">202,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Less unamortized debt discount</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iec0ed9fad1174e358bba85400adbd35b_I20211231" decimals="-3" name="us-gaap:DebtInstrumentUnamortizedDiscount" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzMxLTMtMS0xLTA_bd8cce3d-abd0-4b1a-bec4-cce54a710edf">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i405597958cbb4c9790aa6f797b5f97eb_I20201231" decimals="-3" name="us-gaap:DebtInstrumentUnamortizedDiscount" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzMxLTQtMS0xLTA_1e3a8779-5234-4353-8278-18355cb4c96e">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Wyoming Electric debt, net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iec0ed9fad1174e358bba85400adbd35b_I20211231" decimals="-3" name="bkh:LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzMyLTMtMS0xLTA_3c2cf6d0-7bc5-4320-aa02-522a95fba5e4">195,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i405597958cbb4c9790aa6f797b5f97eb_I20201231" decimals="-3" name="bkh:LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzMyLTQtMS0xLTA_a0e5d10d-e743-43a0-a1a1-b52ac0f73f37">202,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:5pt"><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total long-term debt</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="bkh:LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzM0LTMtMS0xLTA_c9c4a90e-1f9b-402e-9322-b803799bf2a9">4,153,801</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="bkh:LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzM0LTQtMS0xLTA_f0eb67e7-54dd-44d1-9aa9-c7075f28843e">3,561,345</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Less current maturities</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LongTermDebtCurrent" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzM1LTMtMS0xLTA_79ca63a0-f2cb-47b8-97d7-582cde598526">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:LongTermDebtCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzM1LTQtMS0xLTA_d06ed6e6-0f7b-4d5d-a322-c81fb3d34970">8,436</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Less unamortized deferred financing costs </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(c)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:DeferredFinanceCostsNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzM2LTMtMS0xLTA_d3964511-8ab8-4bd0-9a23-858bdb531b30">26,878</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:DeferredFinanceCostsNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzM2LTQtMS0xLTA_4015d7f6-a18a-476e-b2b6-928a2d58627c">24,809</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Long-term debt, net of current maturities and deferred financing costs</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LongTermDebtNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzM3LTMtMS0xLTA_26e7a249-6f66-4954-ac9f-5e92df7567f4">4,126,923</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:LongTermDebtNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTpjYmRkMGI5NzRmOGU0ODFlYThhZGE1MWYwYzJmNmFlMC90YWJsZXJhbmdlOmNiZGQwYjk3NGY4ZTQ4MWVhOGFkYTUxZjBjMmY2YWUwXzM3LTQtMS0xLTA_5fbe86a7-63f4-4d63-9966-7b6f17b5174c">3,528,100</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Variable interest rate.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;A reimbursement agreement is in place with Wells Fargo on behalf of Wyoming Electric for the 2009A bonds of $<ix:nonFraction unitRef="usd" contextRef="i66f0ea19f26c4bc2859a88d51e86d155_I20211231" decimals="-6" name="us-gaap:DebtInstrumentCarryingAmount" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzI3Mzk_0afeeb71-aff6-4af7-a230-4555dfb89740">10</ix:nonFraction> million due March 1, 2027. In the case of default, we hold the assumption of liability for drawings on Wyoming Electric&#8217;s Letter of Credit attached to these bonds.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;Includes deferred financing costs associated with our Revolving Credit Facility of $<ix:nonFraction unitRef="usd" contextRef="i4abf3a012c5e44c5b95192f1babdc76d_I20211231" decimals="-5" name="us-gaap:DeferredFinanceCostsNet" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzMwMDg_5f34d5ee-2fc0-43cb-b6ae-7dd676889286">2.5</ix:nonFraction> million and $<ix:nonFraction unitRef="usd" 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzc1MzQ_93da77ca-0a1e-4dd2-bbd7-aeff6a042bf4" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Scheduled maturities of long-term debt, excluding amortization of premiums or discounts, for future years are (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:38.888%"><tr><td style="width:1.0%"></td><td style="width:48.900%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:48.900%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LongTermDebtCurrent" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTo0NjEzYWZkNTlkYmE0ZGQ3OTM4Y2UwNDEwNGMwYmVlNy90YWJsZXJhbmdlOjQ2MTNhZmQ1OWRiYTRkZDc5MzhjZTA0MTA0YzBiZWU3XzAtMS0xLTEtMA_872ee28d-be41-4e54-b2fc-aa1688651f90">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTo0NjEzYWZkNTlkYmE0ZGQ3OTM4Y2UwNDEwNGMwYmVlNy90YWJsZXJhbmdlOjQ2MTNhZmQ1OWRiYTRkZDc5MzhjZTA0MTA0YzBiZWU3XzEtMS0xLTEtMA_f04efe8d-5f25-49dc-921d-7a7cf9011d2f">525,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2024</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTo0NjEzYWZkNTlkYmE0ZGQ3OTM4Y2UwNDEwNGMwYmVlNy90YWJsZXJhbmdlOjQ2MTNhZmQ1OWRiYTRkZDc5MzhjZTA0MTA0YzBiZWU3XzItMS0xLTEtMA_16a0b90e-421d-4e37-b9a2-66695fd088e0">600,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2025</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTo0NjEzYWZkNTlkYmE0ZGQ3OTM4Y2UwNDEwNGMwYmVlNy90YWJsZXJhbmdlOjQ2MTNhZmQ1OWRiYTRkZDc5MzhjZTA0MTA0YzBiZWU3XzMtMS0xLTEtMA_3eed7f70-2d9d-49ac-90b4-1dfe3748d716">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2026</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTo0NjEzYWZkNTlkYmE0ZGQ3OTM4Y2UwNDEwNGMwYmVlNy90YWJsZXJhbmdlOjQ2MTNhZmQ1OWRiYTRkZDc5MzhjZTA0MTA0YzBiZWU3XzQtMS0xLTEtMA_5282a15a-b50a-4c8c-b2a8-1fffb914829d">300,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Thereafter</span></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTo0NjEzYWZkNTlkYmE0ZGQ3OTM4Y2UwNDEwNGMwYmVlNy90YWJsZXJhbmdlOjQ2MTNhZmQ1OWRiYTRkZDc5MzhjZTA0MTA0YzBiZWU3XzUtMS0xLTEtMA_7947526d-df2c-40eb-b2e4-8f4c4790f17f">2,735,000</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">90</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span><br/></span></div><ix:continuation id="i0ffb7b349c7e46af89ed1c8f588d5f64" continuedAt="iffc280f0d7b54010a4d6c28c920269c9"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our debt securities contain certain restrictive financial covenants, all of which the Company and its subsidiaries were in compliance with at December 31, 2021. See below for additional information.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Substantially all of the tangible utility property of South Dakota Electric and Wyoming Electric is subject to the lien of indentures securing their first mortgage bonds. First mortgage bonds of South Dakota Electric and Wyoming Electric may be issued in amounts limited by property, earnings and other provisions of the mortgage indentures.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Amortization of Deferred Financing Costs</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="bkh:DeferredFinancingCostsTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzc1Njg_c892e806-5b18-40ae-abc9-1c88e0961ebe" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our deferred financing costs and associated amortization expense included in Interest expense on the accompanying Consolidated Statements of Income were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:42.174%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:2.993%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.443%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.443%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.447%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred Financing Costs Remaining at</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amortization Expense for the years ended December 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:DeferredFinanceCostsNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTphMTQ3MWE2MDk0M2M0MmQ5OTJhY2Q2MWNiNDJkN2QzZS90YWJsZXJhbmdlOmExNDcxYTYwOTQzYzQyZDk5MmFjZDYxY2I0MmQ3ZDNlXzItMC0xLTEtMA_aef1da7b-5dde-48c0-a183-6973a401b761">26,878</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:AmortizationOfFinancingCosts" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTphMTQ3MWE2MDk0M2M0MmQ5OTJhY2Q2MWNiNDJkN2QzZS90YWJsZXJhbmdlOmExNDcxYTYwOTQzYzQyZDk5MmFjZDYxY2I0MmQ3ZDNlXzItMi0xLTEtMA_cb53401a-cc32-4fac-ab80-480b26a7014c">3,769</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:AmortizationOfFinancingCosts" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTphMTQ3MWE2MDk0M2M0MmQ5OTJhY2Q2MWNiNDJkN2QzZS90YWJsZXJhbmdlOmExNDcxYTYwOTQzYzQyZDk5MmFjZDYxY2I0MmQ3ZDNlXzItMy0xLTEtMA_d58c4595-05f4-4f24-a47a-b3ffbb3fa3e7">3,272</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:AmortizationOfFinancingCosts" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTphMTQ3MWE2MDk0M2M0MmQ5OTJhY2Q2MWNiNDJkN2QzZS90YWJsZXJhbmdlOmExNDcxYTYwOTQzYzQyZDk5MmFjZDYxY2I0MmQ3ZDNlXzItNC0xLTEtMA_9fc99fc2-fea3-46bb-9792-ebad293397db">3,242</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Debt Transactions</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On August 26, 2021, we completed a public debt offering which consisted of $<ix:nonFraction unitRef="usd" contextRef="ie3253453bf8f410f8f705815eed15062_D20200617-20200617" decimals="-6" name="us-gaap:ProceedsFromIssuanceOfDebt" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzY1MzI_caa01bf2-8d90-47c8-b4f4-2e1d4fb1010d">600</ix:nonFraction>&#160;million, <ix:nonFraction unitRef="number" contextRef="i0ef5a7661452406e857c6124be36179c_I20210826" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzY1NDY_cbaf766f-6504-4f9c-b7b4-c40f4c1610db">1.037</ix:nonFraction>% <ix:nonNumeric contextRef="ib0531312e87d4946b72e2354b0a39774_D20210826-20210826" name="us-gaap:DebtInstrumentTerm" format="ixt-sec:durwordsen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzY1NzY_337f2180-6e25-4aaa-9dc4-701d47facb19">three-year</ix:nonNumeric> senior unsecured notes due August 23, 2024. The notes include an optional redemption provision and may be redeemed, in whole or in part, without premium, on or after February 23, 2022. The proceeds from the offering, which were net of $<ix:nonFraction unitRef="usd" contextRef="i0ef5a7661452406e857c6124be36179c_I20210826" decimals="-5" name="us-gaap:DeferredFinanceCostsNet" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzY1NjM_e1848c5e-8d22-436e-ad58-57f8cbf8007e">3.7</ix:nonFraction>&#160;million of deferred financing costs, were used to repay amounts outstanding under our term loan entered into on February 24, 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On June 17, 2020, we completed a public debt offering which consisted of $<ix:nonFraction unitRef="usd" contextRef="i9ffe9573112c4a75a63a3e62da234384_D20200617-20200617" decimals="-6" name="us-gaap:ProceedsFromIssuanceOfDebt" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzQwMjg_bd7004ed-566a-48b1-a8dc-56e510f765b7">400</ix:nonFraction>&#160;million of <ix:nonFraction unitRef="number" contextRef="ib65b066a0edd43a1a3042e82614201ce_I20200617" decimals="INF" name="us-gaap:DebtInstrumentInterestRateStatedPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzQwMzQ_55e126f9-d2c7-413a-a7f6-2e5e2ac6e2ff">2.50</ix:nonFraction>% <ix:nonNumeric contextRef="ib65b066a0edd43a1a3042e82614201ce_I20200617" name="us-gaap:LongTermDebtTerm" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzQwMzc_f6f0e92a-be38-4dba-82b7-896dc46cf6e8">10</ix:nonNumeric>-year senior unsecured notes due June 15, 2030. The proceeds were used to repay short-term debt and for working capital and general corporate purposes.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Debt Covenants</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Revolving Credit Facility</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Under our Revolving Credit Facility, we are required to maintain a Consolidated Indebtedness to Capitalization Ratio not to exceed <ix:nonFraction unitRef="number" contextRef="if5fee0d185714810a03e5cd05166974f_I20211231" decimals="INF" name="bkh:DebtInstrumentDebtToCapitalizationRatioRequirement" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzU1NTI_2a65ec96-a4a4-474b-9584-b761d80cba45">0.65</ix:nonFraction> to 1.00.&#160;Subject to applicable cure periods, a violation of any of these covenants would constitute an event of default that entitles the lenders to terminate their remaining commitments and accelerate all principal and interest outstanding.</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="bkh:CreditFacilityAndShortTermDebtCovenantsTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzc1NTE_d5ae52e2-aee2-40c4-827a-cb7a7d18a3b1" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We were in compliance with our covenants at December 31, 2021 as shown below:</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:54.097%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:21.886%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.824%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.709%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.884%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2021</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Covenant Requirement</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Consolidated Indebtedness to Capitalization Ratio</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="INF" name="us-gaap:RatioOfIndebtednessToNetCapital1" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTplNmU3MDhiMDk3M2Q0ODVjOTZmNzk2MDY1NTZmNjAxMS90YWJsZXJhbmdlOmU2ZTcwOGIwOTczZDQ4NWM5NmY3OTYwNjU1NmY2MDExXzEtMS0xLTEtMA_ac3f9885-9238-4dca-b908-6875d3b54e20">62.1</ix:nonFraction>%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less than</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="if5fee0d185714810a03e5cd05166974f_I20211231" decimals="INF" name="bkh:DebtInstrumentDebtToCapitalizationRatioRequirement" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTplNmU3MDhiMDk3M2Q0ODVjOTZmNzk2MDY1NTZmNjAxMS90YWJsZXJhbmdlOmU2ZTcwOGIwOTczZDQ4NWM5NmY3OTYwNjU1NmY2MDExXzEtNC0xLTEtMA_4dda84bc-c8ce-40b3-831d-485e91c70245">65</ix:nonFraction>%</span></td></tr></table></div></ix:nonNumeric><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Wyoming Electric</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Covenants within Wyoming Electric's financing agreements require Wyoming Electric to maintain a debt to capitalization ratio of no more than <ix:nonFraction unitRef="number" contextRef="i2d486224f96446eeb746238acc2f1a8f_I20211231" decimals="INF" name="bkh:DebtInstrumentDebtToCapitalizationRatioRequirement" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzYzMjY_d8f10f86-1d90-4c7a-b568-19c0275e3556">0.60</ix:nonFraction> to 1.00. As of December 31, 2021, we were in compliance with these financial covenants.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Dividend Restrictions</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Revolving Credit Facility and other debt obligations contain restrictions on the payment of cash dividends when a default or event of default occurs.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Due to our holding company structure, substantially all of our operating cash flows are provided by dividends paid or distributions made by our subsidiaries. The cash to pay dividends to our shareholders is derived from these cash flows. As a result, certain statutory limitations or regulatory or financing agreements could affect the levels of distributions allowed to be made by our subsidiaries.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Utilities are generally limited to the amount of dividends allowed to be paid to our utility holding company under the Federal Power Act and settlement agreements with state regulatory jurisdictions. As of December 31, 2021, the amount of restricted net assets at our Utilities that may not be distributed to our utility holding company in the form of a loan or dividend was approximately $<ix:nonFraction unitRef="usd" contextRef="if83a7fae2dec449a8eac40e996acb480_I20211231" decimals="-6" name="us-gaap:AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzczMzQ_444d8943-38c4-4c00-85be-6c09529f99bf">155</ix:nonFraction> million.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">South Dakota Electric and Wyoming Electric are generally limited to the amount of dividends allowed to be paid to our utility holding company under certain financing agreements.</span></div></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">91</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="iffc280f0d7b54010a4d6c28c920269c9"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Equity</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">At-the-Market Equity Offering Program</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On August 3, 2020, we filed a shelf registration and DRSPP with the SEC. In conjunction with these shelf filings, we renewed the ATM. The renewed ATM program, which allows us to sell shares of our common stock, is the same as the prior program other than the aggregate value increased from $<ix:nonFraction unitRef="usd" contextRef="ia72038bcef2f4de6bb34ef6e2f32f897_I20210630" decimals="-3" name="bkh:AtTheMarketEquityOfferingProgramAuthorizedAggregateValue" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzE2NDkyNjc0NjY4MTE_81f597bb-cd73-44d7-9ecf-a0e19f822b36">300</ix:nonFraction>&#160;million to $<ix:nonFraction unitRef="usd" contextRef="i7acb0e7b8e7f4746aaae09620108c3a4_I20200803" decimals="-3" name="bkh:AtTheMarketEquityOfferingProgramAuthorizedAggregateValue" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzE2NDkyNjc0NjY4Mzg_9dc3c17d-cdd3-4c38-af3a-48939cb8bd6c">400</ix:nonFraction>&#160;million and a forward sales option was incorporated. This forward sales option allows us to sell our shares through the ATM program at the current trading price without actually issuing any shares to satisfy the sale until a future date. Under the ATM, shares may be offered from time to time pursuant to a sales agreement dated August 3, 2020. Shares of common stock are offered pursuant to our shelf registration statement filed with the SEC.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">During the twelve months ended December 31, 2021, we issued a total of <ix:nonFraction unitRef="shares" contextRef="iac68536ceb214dfdadd5c54cad871aed_D20210101-20211231" decimals="INF" name="bkh:AtTheMarketEquityOfferingProgramSharesIssued" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzAzNTE_45f217d9-2b98-4001-bca5-326dc1ce3402">1,812,197</ix:nonFraction> shares of common stock under the ATM for $<ix:nonFraction unitRef="usd" contextRef="iac68536ceb214dfdadd5c54cad871aed_D20210101-20211231" decimals="-6" name="bkh:AtTheMarketEquityProgramProceedsfromSaleofStock" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzAzNzg_04f122de-8a64-496e-a01b-a27847d2defb">119</ix:nonFraction>&#160;million, net of $<ix:nonFraction unitRef="usd" contextRef="iac68536ceb214dfdadd5c54cad871aed_D20210101-20211231" decimals="-5" name="us-gaap:PaymentsOfStockIssuanceCosts" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzAzNjQ_8d110b88-671f-4c10-ab43-26c4ab6fb3ac">1.1</ix:nonFraction>&#160;million in issuance costs. We did not issue any shares of common stock under the ATM during the twelve months ended December 31, 2020. During the twelve months ended December 31, 2019, we issued a total of <ix:nonFraction unitRef="shares" contextRef="i8d38db177a4e45f2a6be2cd46d19a2e1_D20190101-20191231" decimals="INF" name="bkh:AtTheMarketEquityOfferingProgramSharesIssued" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNjkxNzQ_e7b417ca-33c6-4883-9728-3c2bf4bad49c">1,328,332</ix:nonFraction> shares of common stock under the ATM for $<ix:nonFraction unitRef="usd" contextRef="i8d38db177a4e45f2a6be2cd46d19a2e1_D20190101-20191231" decimals="-6" name="bkh:AtTheMarketEquityProgramProceedsfromSaleofStock" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNjkyMTk_262da66d-1feb-41df-82b7-e7b08448a848">99</ix:nonFraction> million, net of $<ix:nonFraction unitRef="usd" contextRef="i8d38db177a4e45f2a6be2cd46d19a2e1_D20190101-20191231" decimals="-5" name="us-gaap:PaymentsOfStockIssuanceCosts" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNjkyMzE_d5e90844-5df6-4423-ab26-28dec0562607">1.2</ix:nonFraction> million in issuance costs.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">February 2020 Equity Issuance</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On February&#160;27, 2020, we issued <ix:nonFraction unitRef="shares" contextRef="i2c3835f931c04c50b7a53dcda8acba4c_D20200227-20200227" decimals="-3" name="us-gaap:SaleOfStockNumberOfSharesIssuedInTransaction" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzE2NDkyNjc0NjY4NjY_73189615-f3fc-4ec8-a802-85e02496f233">1.2</ix:nonFraction>&#160;million shares of common stock to a single investor through an underwritten registered transaction at a price of $<ix:nonFraction unitRef="usdPerShare" contextRef="i58c1d823bf0547769782fd21f1a556ce_I20200227" decimals="2" name="us-gaap:SaleOfStockPricePerShare" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzE2NDkyNjc0NjY4ODY_f09dceec-a96d-4519-bb87-15b3be337aa5">81.77</ix:nonFraction> per share for proceeds of $<ix:nonFraction unitRef="usd" contextRef="i2c3835f931c04c50b7a53dcda8acba4c_D20200227-20200227" decimals="-3" name="us-gaap:SaleOfStockConsiderationReceivedOnTransaction" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzE2NDkyNjc0NjY5MDY_705082c1-dc5f-4a57-90ee-554f7681d272">99</ix:nonFraction>&#160;million, net of $<ix:nonFraction unitRef="usd" contextRef="i2c3835f931c04c50b7a53dcda8acba4c_D20200227-20200227" decimals="-3" name="us-gaap:PaymentsOfStockIssuanceCosts" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyODA4NDg_d48fb6b6-70d2-45aa-9bcf-e2378354beea">1.0</ix:nonFraction>&#160;million of issuance costs. The shares of common stock were offered pursuant to our shelf registration statement filed with the SEC.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Shareholder Dividend Reinvestment and Stock Purchase Plan</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have a DRSPP under which shareholders may purchase additional shares of common stock through dividend reinvestment and/or optional cash payments at <ix:nonFraction unitRef="number" contextRef="i2a05a21726a6448cb06622c3bc49646a_I20211231" decimals="INF" name="bkh:CommonStockPurchasePercentageOfRecentAverageMarketPrice" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNjk4MDg_971554f9-f603-448f-a60e-13db3054abaf">100</ix:nonFraction>% of the recent average market price. We have the option of issuing new shares or purchasing the shares on the open market. We issued new shares until March 1, 2018, after which we began purchasing shares on the open market. At December 31, 2021, there were <ix:nonFraction unitRef="shares" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="0" name="us-gaap:CommonStockCapitalSharesReservedForFutureIssuance" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzAwNTE_e412c943-8da7-44e8-ba8a-7580edfcf247">116,306</ix:nonFraction> shares of unissued stock available for future offering under the DRSPP.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Preferred Stock</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our articles of incorporation authorize the issuance of <ix:nonFraction unitRef="shares" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="INF" name="us-gaap:PreferredStockSharesAuthorized" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzAyMDI_17abe715-ba6a-4b1d-bb79-d3697b5813e2"><ix:nonFraction unitRef="shares" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="INF" name="us-gaap:PreferredStockSharesAuthorized" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzAyMDI_26fbc3dc-35fb-4ac3-98de-d8360a90f657">25</ix:nonFraction></ix:nonFraction> million shares of preferred stock of which we had <ix:nonFraction unitRef="shares" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="INF" name="us-gaap:PreferredStockSharesOutstanding" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzAyNDg_8bb65bf8-ef91-4045-9918-4079a632dd4e"><ix:nonFraction unitRef="shares" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="INF" name="us-gaap:PreferredStockSharesOutstanding" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzAyNDg_cbfe79fe-047b-484b-9297-cbfd6c896033">no</ix:nonFraction></ix:nonFraction> shares of preferred stock outstanding as of December 31, 2021 and 2020.</span></div></ix:continuation><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_202"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(9)&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90ZXh0cmVnaW9uOmI1YWZlM2QxMGNkOTQ4MTQ4YmZkMjkyODcyOTM3NDNlXzk0MTI_2fc52971-64b2-466b-a244-29c557af44ed" continuedAt="i6fcda6e8de1042e4a21b1133e97ac00c" escape="true">RISK MANAGEMENT AND DERIVATIVES</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="i6fcda6e8de1042e4a21b1133e97ac00c" continuedAt="i10c99d5aa3ec45668cf7b94b5ccb4aac"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Market and Credit Risk Disclosures</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our activities in the energy industry expose us to a number of risks in the normal operations of our businesses. Depending on the activity, we are exposed to varying degrees of market risk and credit risk. To manage and mitigate these identified risks, we have adopted the Black Hills Corporation Risk Policies and Procedures. Valuation methodologies for our derivatives are detailed within </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_172">Note 1</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Market Risk</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Market risk is the potential loss that may occur as a result of an adverse change in market price, rate or supply. We are exposed, but not limited to, the following market risks:</span></div><div><span><br/></span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Commodity price risk associated with our retail natural gas and wholesale electric power marketing activities and our fuel procurement for several of our gas-fired generation assets, which include market fluctuations due to unpredictable factors such as the COVID-19 pandemic, weather (Winter Storm Uri), market speculation, inflation, pipeline constraints, and other factors that may impact natural gas and electric supply and demand; and</span></div><div><span><br/></span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Interest rate risk associated with future debt, including reduced access to liquidity during periods of extreme capital markets volatility, such as the 2008 financial crisis and the COVID-19 pandemic.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Credit Risk</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Credit risk is the risk of financial loss resulting from non-performance of contractual obligations by a counterparty.</span></div></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">92</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="i10c99d5aa3ec45668cf7b94b5ccb4aac" continuedAt="i2e55db4f39ab415e94b1e44c6dc89dff"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We attempt to mitigate our credit exposure by conducting business primarily with high credit quality entities, setting tenor and credit limits commensurate with counterparty financial strength, obtaining master netting agreements and mitigating credit exposure with less creditworthy counterparties through parental guarantees, cash collateral requirements, letters of credit and other security agreements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We perform ongoing credit evaluations of our customers and adjust credit limits based upon payment history and the customer&#8217;s current creditworthiness, as determined by review of their current credit information. We maintain a provision for estimated credit losses based upon historical experience, changes in current market conditions, expected losses and any specific customer collection issue that is identified. Our credit exposure at December 31, 2021 was concentrated primarily among retail utility customers, investment grade companies, cooperative utilities and federal agencies.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Derivatives and Hedging Activity</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our derivative and hedging activities included in the accompanying Consolidated Balance Sheets, Consolidated Statements of Income and Consolidated Statements of Comprehensive Income (Loss) are detailed below and within </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_205">Note 10</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The operations of our Utilities, including natural gas sold by our Gas Utilities and natural gas used by our Electric Utilities&#8217; generation plants or those plants under PPAs where our Electric Utilities must provide the generation fuel (tolling agreements), expose our utility customers to natural gas price volatility. Therefore, as allowed or required by state utility commissions, we have entered into commission approved hedging programs utilizing natural gas futures, options, over-the-counter swaps and basis swaps to reduce our customers&#8217; underlying exposure to these fluctuations. These transactions are considered derivatives, and in accordance with accounting standards for derivatives and hedging, mark-to-market adjustments are recorded as Derivative assets or Derivative liabilities on the accompanying Consolidated Balance Sheets, net of balance sheet offsetting as permitted by GAAP.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">For our regulated Utilities&#8217; hedging plans, unrealized and realized gains and losses, as well as option premiums and commissions on these transactions are recorded as Regulatory assets or Regulatory liabilities in the accompanying Consolidated Balance Sheets in accordance with state regulatory commission guidelines. When the related costs are recovered through our rates, the hedging activity is recognized in the Consolidated Statements of Income.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We periodically have wholesale power purchase and sale contracts used to manage purchased power costs and load requirements associated with serving our electric customers that are considered derivative instruments due to not qualifying for the normal purchase and normal sales exception to derivative accounting. Changes in the fair value of these commodity derivatives are recognized in the Consolidated Statements of Income.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We buy, sell and deliver natural gas at competitive prices by managing commodity price risk. As a result of these activities, this area of our business is exposed to risks associated with changes in the market price of natural gas. We manage our exposure to such risks using over-the-counter and exchange traded options and swaps with counterparties in anticipation of forecasted purchases and sales during time frames ranging from January 2022 through October 2024. A portion of our over-the-counter swaps have been designated as cash flow hedges to mitigate the commodity price risk associated with deliveries under fixed price forward contracts to deliver gas to our Choice Gas Program customers. The gain or loss on these designated derivatives is reported in AOCI in the accompanying Consolidated Balance Sheets and reclassified into earnings in the same period that the underlying hedged item is recognized in earnings. Effectiveness of our hedging position is evaluated at least quarterly.</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90ZXh0cmVnaW9uOmI1YWZlM2QxMGNkOTQ4MTQ4YmZkMjkyODcyOTM3NDNlXzk0MDM_e822186a-40f0-49d4-b492-c36681d547a2" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The contract or notional amounts and terms of the natural gas derivative commodity instruments held by our utilities are comprised of both short and long positions. We had the following net long positions as of:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:40.334%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.541%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.541%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.541%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.543%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Notional (MMBtus)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum Term (months) </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Notional (MMBtus)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum Term (months) </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas futures purchased</span></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i9310e90fb2c041609d78e42ceb68676c_I20211231" decimals="0" name="us-gaap:DerivativeNonmonetaryNotionalAmount" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTpkZWFkYTJkMGFjMDM0NTYwOTQ0MTI5NzgzMDY1OWM1NC90YWJsZXJhbmdlOmRlYWRhMmQwYWMwMzQ1NjA5NDQxMjk3ODMwNjU5YzU0XzItMS0xLTEtMA_db6313bf-2e89-4d83-853f-592ab58d7321">590,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ib4587c392ea4451a82ef18f4259b000e_D20210101-20211231" name="us-gaap:DerivativeRemainingMaturity1" format="ixt-sec:durmonth" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTpkZWFkYTJkMGFjMDM0NTYwOTQ0MTI5NzgzMDY1OWM1NC90YWJsZXJhbmdlOmRlYWRhMmQwYWMwMzQ1NjA5NDQxMjk3ODMwNjU5YzU0XzItMi0xLTEtMA_0fb973d6-a3ef-472c-af63-6ad405266897">3</ix:nonNumeric></span></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i8e03596bc61343e38c292009fc78f7a8_I20201231" decimals="0" name="us-gaap:DerivativeNonmonetaryNotionalAmount" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTpkZWFkYTJkMGFjMDM0NTYwOTQ0MTI5NzgzMDY1OWM1NC90YWJsZXJhbmdlOmRlYWRhMmQwYWMwMzQ1NjA5NDQxMjk3ODMwNjU5YzU0XzItMy0xLTEtMA_a94b1ad9-7417-47f3-93e4-b633cf46b6b6">620,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i421fb6f84f9c4022aa8a1994178fb5d5_D20200101-20201231" name="us-gaap:DerivativeRemainingMaturity1" format="ixt-sec:durmonth" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTpkZWFkYTJkMGFjMDM0NTYwOTQ0MTI5NzgzMDY1OWM1NC90YWJsZXJhbmdlOmRlYWRhMmQwYWMwMzQ1NjA5NDQxMjk3ODMwNjU5YzU0XzItNC0xLTEtMA_44d22eb6-fd78-469b-9882-91fcbe52f62c">3</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas options purchased, net</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i640cb406316542b7aeac847a44753f77_I20211231" decimals="0" name="us-gaap:DerivativeNonmonetaryNotionalAmount" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTpkZWFkYTJkMGFjMDM0NTYwOTQ0MTI5NzgzMDY1OWM1NC90YWJsZXJhbmdlOmRlYWRhMmQwYWMwMzQ1NjA5NDQxMjk3ODMwNjU5YzU0XzMtMS0xLTEtMA_adfd16aa-07fe-46df-9714-6658908db00c">3,100,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ifa11a31558ad42a88f9a25f063b4fd5e_D20210101-20211231" name="us-gaap:DerivativeRemainingMaturity1" format="ixt-sec:durmonth" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTpkZWFkYTJkMGFjMDM0NTYwOTQ0MTI5NzgzMDY1OWM1NC90YWJsZXJhbmdlOmRlYWRhMmQwYWMwMzQ1NjA5NDQxMjk3ODMwNjU5YzU0XzMtMi0xLTEtMA_1c29af3e-139b-4f26-8eb8-2f2353561130">3</ix:nonNumeric></span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i4e57932503734dde8dc38fb2c1643e45_I20201231" decimals="0" name="us-gaap:DerivativeNonmonetaryNotionalAmount" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTpkZWFkYTJkMGFjMDM0NTYwOTQ0MTI5NzgzMDY1OWM1NC90YWJsZXJhbmdlOmRlYWRhMmQwYWMwMzQ1NjA5NDQxMjk3ODMwNjU5YzU0XzMtMy0xLTEtMA_59e25374-1ecd-4e26-9625-0b84fa491784">3,160,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i2cdf3c1e5b26450b8b2dd39ced998f01_D20200101-20201231" name="us-gaap:DerivativeRemainingMaturity1" format="ixt-sec:durmonth" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTpkZWFkYTJkMGFjMDM0NTYwOTQ0MTI5NzgzMDY1OWM1NC90YWJsZXJhbmdlOmRlYWRhMmQwYWMwMzQ1NjA5NDQxMjk3ODMwNjU5YzU0XzMtNC0xLTEtMA_157023b2-ef5d-435d-8c52-f17d9301e5a9">3</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas basis swaps purchased</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="ibcd949c9a82744e5b488ac5a16f9bc03_I20211231" decimals="0" name="us-gaap:DerivativeNonmonetaryNotionalAmount" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTpkZWFkYTJkMGFjMDM0NTYwOTQ0MTI5NzgzMDY1OWM1NC90YWJsZXJhbmdlOmRlYWRhMmQwYWMwMzQ1NjA5NDQxMjk3ODMwNjU5YzU0XzQtMS0xLTEtMA_2cdff056-921b-4a6b-b962-99fc3fabe58d">870,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ic3a5b8fd3e2f40bc90bc6c489580847b_D20210101-20211231" name="us-gaap:DerivativeRemainingMaturity1" format="ixt-sec:durmonth" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTpkZWFkYTJkMGFjMDM0NTYwOTQ0MTI5NzgzMDY1OWM1NC90YWJsZXJhbmdlOmRlYWRhMmQwYWMwMzQ1NjA5NDQxMjk3ODMwNjU5YzU0XzQtMi0xLTEtMA_2683baba-573d-464d-8a13-446038d19d5d">3</ix:nonNumeric></span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="ic55198c18d6c4769a8f06c91a6284ca0_I20201231" decimals="0" name="us-gaap:DerivativeNonmonetaryNotionalAmount" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTpkZWFkYTJkMGFjMDM0NTYwOTQ0MTI5NzgzMDY1OWM1NC90YWJsZXJhbmdlOmRlYWRhMmQwYWMwMzQ1NjA5NDQxMjk3ODMwNjU5YzU0XzQtMy0xLTEtMA_8eaff5f0-ab79-4833-8648-84cb46fb807e">900,000</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i9939079a55c1432ab2dd11a1c6b579cd_D20200101-20201231" name="us-gaap:DerivativeRemainingMaturity1" format="ixt-sec:durmonth" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTpkZWFkYTJkMGFjMDM0NTYwOTQ0MTI5NzgzMDY1OWM1NC90YWJsZXJhbmdlOmRlYWRhMmQwYWMwMzQ1NjA5NDQxMjk3ODMwNjU5YzU0XzQtNC0xLTEtMA_96f97bff-a972-4d49-a89f-51cb763d24a4">3</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas over-the-counter swaps, net </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i7c3278f362fd40598891d868c9f3a671_I20211231" decimals="0" name="us-gaap:DerivativeNonmonetaryNotionalAmount" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTpkZWFkYTJkMGFjMDM0NTYwOTQ0MTI5NzgzMDY1OWM1NC90YWJsZXJhbmdlOmRlYWRhMmQwYWMwMzQ1NjA5NDQxMjk3ODMwNjU5YzU0XzUtMS0xLTEtMA_87e20e15-d27b-4012-9785-e43728639158">4,570,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i51f01df9a6634c84b0604a391d08eb37_D20210101-20211231" name="us-gaap:DerivativeRemainingMaturity1" format="ixt-sec:durmonth" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTpkZWFkYTJkMGFjMDM0NTYwOTQ0MTI5NzgzMDY1OWM1NC90YWJsZXJhbmdlOmRlYWRhMmQwYWMwMzQ1NjA5NDQxMjk3ODMwNjU5YzU0XzUtMi0xLTEtMA_dcb64680-0940-41c2-8f00-9ff93635a073">34</ix:nonNumeric></span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="if2bb9a98e53f4d46a8c6559ef49c273d_I20201231" decimals="0" name="us-gaap:DerivativeNonmonetaryNotionalAmount" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTpkZWFkYTJkMGFjMDM0NTYwOTQ0MTI5NzgzMDY1OWM1NC90YWJsZXJhbmdlOmRlYWRhMmQwYWMwMzQ1NjA5NDQxMjk3ODMwNjU5YzU0XzUtMy0xLTEtMA_244d439b-b808-4860-b669-c9d52a31467d">3,850,000</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i54618610b4d747538dd36488f808e69d_D20200101-20201231" name="us-gaap:DerivativeRemainingMaturity1" format="ixt-sec:durmonth" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTpkZWFkYTJkMGFjMDM0NTYwOTQ0MTI5NzgzMDY1OWM1NC90YWJsZXJhbmdlOmRlYWRhMmQwYWMwMzQ1NjA5NDQxMjk3ODMwNjU5YzU0XzUtNC0xLTEtMA_f096040b-f005-4e1f-be8e-c1d5a7a68fe7">17</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas physical commitments, net </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="mmbtu" contextRef="i8dca11b6976d4220982aea7ed44c0637_I20211231" decimals="0" name="us-gaap:DerivativeNonmonetaryNotionalAmount" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTpkZWFkYTJkMGFjMDM0NTYwOTQ0MTI5NzgzMDY1OWM1NC90YWJsZXJhbmdlOmRlYWRhMmQwYWMwMzQ1NjA5NDQxMjk3ODMwNjU5YzU0XzYtMS0xLTEtMA_722f3ad6-6a94-4f1f-8405-a492724d0ffe">16,416,677</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span 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unitRef="mmbtu" contextRef="ibaa97fa260d44e1689a3df60cad39b88_I20211231" decimals="0" name="us-gaap:DerivativeNonmonetaryNotionalAmount" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90ZXh0cmVnaW9uOmI1YWZlM2QxMGNkOTQ4MTQ4YmZkMjkyODcyOTM3NDNlXzYzNDA_d461dc51-a370-45c8-9cfc-e50220da7ec1">1,830,000</ix:nonFraction> of natural gas over-the-counter swaps purchased were designated as cash flow hedges.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;Volumes exclude derivative contracts that qualify for the normal purchase, normal sales exception permitted by GAAP.</span></div></ix:nonNumeric></ix:continuation><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">93</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="i2e55db4f39ab415e94b1e44c6dc89dff" continuedAt="i5b8c299564ce4b0cb137ba916a1494db"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have certain derivative contracts which contain credit provisions. These credit provisions may require the Company to post collateral when credit exposure to the Company is in excess of a negotiated line of unsecured credit. At December 31, 2021, the Company posted $<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:CollateralAlreadyPostedAggregateFairValue" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90ZXh0cmVnaW9uOmI1YWZlM2QxMGNkOTQ4MTQ4YmZkMjkyODcyOTM3NDNlXzY4MTk_923e21a9-855d-43a0-9e58-a875c6b10224">2.1</ix:nonFraction>&#160;million related to such provisions, which is included in Other current assets on the Consolidated Balance Sheets.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Derivatives by Balance Sheet Classification</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As required by accounting standards for derivatives and hedges, fair values within the following tables are presented on a gross basis aside from the netting of asset and liability positions. 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style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:34.090%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:32.917%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.295%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.298%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance Sheet Location</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivatives designated as hedges:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Asset derivative 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style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i50f231d4e3064fdeba899bba4e0d62a4_I20211231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeAsset" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTo2OGJiZDBmYzU5NTU0MTJiOTEyMmYxOGM4Zjk0MDBjNS90YWJsZXJhbmdlOjY4YmJkMGZjNTk1NTQxMmI5MTIyZjE4YzhmOTQwMGM1XzMtMi0xLTEtMA_945f4861-b729-4aa5-bbb2-0a1fb854646f">2,017</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6ad7f1ab7691490f9607642b68fbdf19_I20201231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeAsset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTo2OGJiZDBmYzU5NTU0MTJiOTEyMmYxOGM4Zjk0MDBjNS90YWJsZXJhbmdlOjY4YmJkMGZjNTk1NTQxMmI5MTIyZjE4YzhmOTQwMGM1XzMtMy0xLTEtMA_edcc9be2-429b-46d4-bb43-23d6f85dad9b">181</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Noncurrent commodity derivatives</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other assets, non-current</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia3200be784c44b5bbcffa2548e24b274_I20211231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeAsset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTo2OGJiZDBmYzU5NTU0MTJiOTEyMmYxOGM4Zjk0MDBjNS90YWJsZXJhbmdlOjY4YmJkMGZjNTk1NTQxMmI5MTIyZjE4YzhmOTQwMGM1XzQtMi0xLTEtMA_fe9e2b04-3ca7-4cf5-8f74-2ffe36767912">18</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i5a38dcde90174f829d2fad03d4792e59_I20201231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeAsset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTo2OGJiZDBmYzU5NTU0MTJiOTEyMmYxOGM4Zjk0MDBjNS90YWJsZXJhbmdlOjY4YmJkMGZjNTk1NTQxMmI5MTIyZjE4YzhmOTQwMGM1XzQtMy0xLTEtMA_9102aa9a-c56c-43b9-8c34-88fe11de09ce">43</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liability derivative instruments:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current commodity derivatives</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivative liabilities - current</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i69a80de1dd17400c8a83b03d0221f377_I20211231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeLiability" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTo2OGJiZDBmYzU5NTU0MTJiOTEyMmYxOGM4Zjk0MDBjNS90YWJsZXJhbmdlOjY4YmJkMGZjNTk1NTQxMmI5MTIyZjE4YzhmOTQwMGM1XzYtMi0xLTEtMA_9041aff0-6315-4f0f-a3fb-77b0c3d1d4b2">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ibe3dd8008be748329045c8b1e102832c_I20201231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeLiability" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTo2OGJiZDBmYzU5NTU0MTJiOTEyMmYxOGM4Zjk0MDBjNS90YWJsZXJhbmdlOjY4YmJkMGZjNTk1NTQxMmI5MTIyZjE4YzhmOTQwMGM1XzYtMy0xLTEtMA_10aee2db-5173-4b1d-a5dd-acfb380defbe">108</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total derivatives designated as hedges</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie535eaac430d43728685e1bee01f4b81_I20211231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTo2OGJiZDBmYzU5NTU0MTJiOTEyMmYxOGM4Zjk0MDBjNS90YWJsZXJhbmdlOjY4YmJkMGZjNTk1NTQxMmI5MTIyZjE4YzhmOTQwMGM1XzgtMi0xLTEtMA_226bc315-0304-4d53-ae5c-46ac646235cb">2,035</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i843f0e11923248eb85b982d96761e44c_I20201231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTo2OGJiZDBmYzU5NTU0MTJiOTEyMmYxOGM4Zjk0MDBjNS90YWJsZXJhbmdlOjY4YmJkMGZjNTk1NTQxMmI5MTIyZjE4YzhmOTQwMGM1XzgtMy0xLTEtMA_97c84658-77d3-4b83-b2ce-8a361ea1b0fa">116</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivatives not designated as hedges:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Asset derivative instruments:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current commodity derivatives</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivative assets - current</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib632c0d6761e4e42b0357ff41c3527ef_I20211231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeAsset" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTo2OGJiZDBmYzU5NTU0MTJiOTEyMmYxOGM4Zjk0MDBjNS90YWJsZXJhbmdlOjY4YmJkMGZjNTk1NTQxMmI5MTIyZjE4YzhmOTQwMGM1XzEyLTItMS0xLTA_8741c108-eda5-4e17-ba0b-7a2837cdff3e">2,356</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i758262b9222f4ba2bcb511f548796f49_I20201231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeAsset" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTo2OGJiZDBmYzU5NTU0MTJiOTEyMmYxOGM4Zjk0MDBjNS90YWJsZXJhbmdlOjY4YmJkMGZjNTk1NTQxMmI5MTIyZjE4YzhmOTQwMGM1XzEyLTMtMS0xLTA_a3f7a92c-6525-46e5-ad98-9bdd5883eac9">1,667</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Noncurrent commodity derivatives</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other assets, non-current</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie90f7c1e7803412e9ab9ca2b2279a728_I20211231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeAsset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTo2OGJiZDBmYzU5NTU0MTJiOTEyMmYxOGM4Zjk0MDBjNS90YWJsZXJhbmdlOjY4YmJkMGZjNTk1NTQxMmI5MTIyZjE4YzhmOTQwMGM1XzEzLTItMS0xLTA_0ef29792-cee8-416d-9914-935dbbbbaa9b">804</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i86a3de9e4b8e4144afb047dadc43ebe0_I20201231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeAsset" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTo2OGJiZDBmYzU5NTU0MTJiOTEyMmYxOGM4Zjk0MDBjNS90YWJsZXJhbmdlOjY4YmJkMGZjNTk1NTQxMmI5MTIyZjE4YzhmOTQwMGM1XzEzLTMtMS0xLTA_a45fc237-5271-4dbb-8e39-784dfc15a977">151</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liability derivative instruments:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current commodity derivatives</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivative liabilities - current</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ie7262c2d3bcc4334944c10b96ab649ed_I20211231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeLiability" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTo2OGJiZDBmYzU5NTU0MTJiOTEyMmYxOGM4Zjk0MDBjNS90YWJsZXJhbmdlOjY4YmJkMGZjNTk1NTQxMmI5MTIyZjE4YzhmOTQwMGM1XzE1LTItMS0xLTA_0d289282-3a2b-4158-b7ed-3459af14b638">1,439</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i4c42f120cedb460798b30d98ab873830_I20201231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeLiability" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTo2OGJiZDBmYzU5NTU0MTJiOTEyMmYxOGM4Zjk0MDBjNS90YWJsZXJhbmdlOjY4YmJkMGZjNTk1NTQxMmI5MTIyZjE4YzhmOTQwMGM1XzE1LTMtMS0xLTA_70ffaa4f-a650-4485-86b5-684787ee4c1a">1,936</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Noncurrent commodity derivatives</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other deferred credits and other liabilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="iba64aab5fae9437995511ba5acdf475a_I20211231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeLiability" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTo2OGJiZDBmYzU5NTU0MTJiOTEyMmYxOGM4Zjk0MDBjNS90YWJsZXJhbmdlOjY4YmJkMGZjNTk1NTQxMmI5MTIyZjE4YzhmOTQwMGM1XzE2LTItMS0xLTA_752101f3-65dc-435e-a470-4e182ba6df2c">20</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iada95ca4c1eb4347828114e0cee79028_I20201231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeLiability" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTo2OGJiZDBmYzU5NTU0MTJiOTEyMmYxOGM4Zjk0MDBjNS90YWJsZXJhbmdlOjY4YmJkMGZjNTk1NTQxMmI5MTIyZjE4YzhmOTQwMGM1XzE2LTMtMS0xLTA_13bec10a-be06-41ef-9820-737d3ea2f63e">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total derivatives not designated as hedges</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8328634f5cae43deaeb9699147a5397c_I20211231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTo2OGJiZDBmYzU5NTU0MTJiOTEyMmYxOGM4Zjk0MDBjNS90YWJsZXJhbmdlOjY4YmJkMGZjNTk1NTQxMmI5MTIyZjE4YzhmOTQwMGM1XzE3LTItMS0xLTA_e2331c49-b3ea-4c1a-bb60-bbd4e624fa0f">1,701</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i83a65d93b7554eb5ae1762500bfe8d11_I20201231" decimals="-3" sign="-" name="us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTo2OGJiZDBmYzU5NTU0MTJiOTEyMmYxOGM4Zjk0MDBjNS90YWJsZXJhbmdlOjY4YmJkMGZjNTk1NTQxMmI5MTIyZjE4YzhmOTQwMGM1XzE3LTMtMS0xLTA_9ab8ddcc-19b1-40c4-9692-4199d22f2529">118</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Derivatives Designated as Hedge Instruments</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90ZXh0cmVnaW9uOmI1YWZlM2QxMGNkOTQ4MTQ4YmZkMjkyODcyOTM3NDNlXzk0MTE_937862be-7ceb-499a-8002-ff0190d2eb66" continuedAt="i3d36985ad0a64cd5b8fe0531f76ba7d1" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The impact of cash flow hedges on our Consolidated Statements of Income is presented below for the years ended December 31, 2021, 2020 and 2019. Note that this presentation does not reflect the gains or losses arising from the underlying physical transactions; therefore, it is not indicative of the economic profit or loss we realized when the underlying physical and financial transactions were settled.</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:22.730%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.671%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.525%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.525%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:22.730%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.671%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.671%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:7.677%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivatives in Cash Flow Hedging Relationships</span></td><td colspan="9" style="border-bottom:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amount of Gain/(Loss) Recognized in OCI</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income Statement Location</span></td><td colspan="9" style="border-bottom:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amount of Gain/(Loss) Reclassified from AOCI into Income </span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest rate swaps</span></td><td style="background-color:#cfffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cfffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i10959888c3b647b185fe9adfd7c921bb_D20210101-20211231" decimals="-3" name="us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTphOGYxZmU3NmI5MGM0NDdmYTI5ZmUxMmJiNDVhZWJmNS90YWJsZXJhbmdlOmE4ZjFmZTc2YjkwYzQ0N2ZhMjlmZTEyYmI0NWFlYmY1XzMtMS0xLTEtMA_ae0e705f-f5e4-4d65-b0b0-773b853cf553">2,851</ix:nonFraction>&#160;</span></td><td style="background-color:#cfffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id363274f77664f579e71392bc097d362_D20200101-20201231" decimals="-3" name="us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTphOGYxZmU3NmI5MGM0NDdmYTI5ZmUxMmJiNDVhZWJmNS90YWJsZXJhbmdlOmE4ZjFmZTc2YjkwYzQ0N2ZhMjlmZTEyYmI0NWFlYmY1XzMtMi0xLTEtMA_d240b30e-245b-4a13-ba0d-c648a3f34a94">2,851</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i41eef94bb530465fbeda03d92f584233_D20190101-20191231" decimals="-3" name="us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTphOGYxZmU3NmI5MGM0NDdmYTI5ZmUxMmJiNDVhZWJmNS90YWJsZXJhbmdlOmE4ZjFmZTc2YjkwYzQ0N2ZhMjlmZTEyYmI0NWFlYmY1XzMtMy0xLTEtMA_66dc350a-df8a-401d-9d33-e800e388b74c">2,851</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest expense</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i01848a1e44694a12bc6219ebb1c1535d_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTphOGYxZmU3NmI5MGM0NDdmYTI5ZmUxMmJiNDVhZWJmNS90YWJsZXJhbmdlOmE4ZjFmZTc2YjkwYzQ0N2ZhMjlmZTEyYmI0NWFlYmY1XzMtNS0xLTEtMA_17425dcb-c34a-4e24-ac67-3ecf6b3571ce">2,851</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i66dc20b7bdb945988b075fb32b73f570_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTphOGYxZmU3NmI5MGM0NDdmYTI5ZmUxMmJiNDVhZWJmNS90YWJsZXJhbmdlOmE4ZjFmZTc2YjkwYzQ0N2ZhMjlmZTEyYmI0NWFlYmY1XzMtNi0xLTEtMA_886b5595-8c02-4ff0-bcea-a9457eb9f4f3">2,851</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ia3eb1a54dc4b4243b000be68a2250aac_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTphOGYxZmU3NmI5MGM0NDdmYTI5ZmUxMmJiNDVhZWJmNS90YWJsZXJhbmdlOmE4ZjFmZTc2YjkwYzQ0N2ZhMjlmZTEyYmI0NWFlYmY1XzMtNy0xLTEtMA_232023bf-6f11-4890-803f-a0daed576cb5">2,851</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iad19e84bc39e4253aa61ca01ffdbbb2b_D20210101-20211231" decimals="-3" name="us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTphOGYxZmU3NmI5MGM0NDdmYTI5ZmUxMmJiNDVhZWJmNS90YWJsZXJhbmdlOmE4ZjFmZTc2YjkwYzQ0N2ZhMjlmZTEyYmI0NWFlYmY1XzQtMS0xLTEtMA_3061b008-e82b-4521-afcc-9f1706b4f094">1,952</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iff3e62bb49a64fc39769ad1230b94033_D20200101-20201231" decimals="-3" name="us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTphOGYxZmU3NmI5MGM0NDdmYTI5ZmUxMmJiNDVhZWJmNS90YWJsZXJhbmdlOmE4ZjFmZTc2YjkwYzQ0N2ZhMjlmZTEyYmI0NWFlYmY1XzQtMi0xLTEtMA_2bc7950e-c78e-4ea3-b56a-34c109917217">540</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6ef103ed160749c49566ebfe2fb03c5a_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTphOGYxZmU3NmI5MGM0NDdmYTI5ZmUxMmJiNDVhZWJmNS90YWJsZXJhbmdlOmE4ZjFmZTc2YjkwYzQ0N2ZhMjlmZTEyYmI0NWFlYmY1XzQtMy0xLTEtMA_82eef77f-1873-401e-b739-deb7520b8876">965</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic85e603e75ee4012a0c43b80190f9bbf_D20210101-20211231" decimals="-3" name="us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTphOGYxZmU3NmI5MGM0NDdmYTI5ZmUxMmJiNDVhZWJmNS90YWJsZXJhbmdlOmE4ZjFmZTc2YjkwYzQ0N2ZhMjlmZTEyYmI0NWFlYmY1XzQtNS0xLTEtMA_9fd21a69-2225-494a-85b4-95fd694df799">2,051</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ibc86c4d66cf54f94b01d7684682b55fb_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTphOGYxZmU3NmI5MGM0NDdmYTI5ZmUxMmJiNDVhZWJmNS90YWJsZXJhbmdlOmE4ZjFmZTc2YjkwYzQ0N2ZhMjlmZTEyYmI0NWFlYmY1XzQtNi0xLTEtMA_8ac2f5b0-74c5-4bf9-b6bf-11f51ad75881">601</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1f195c63ec7d4cf9acaf4d080d7c9efe_D20190101-20191231" decimals="-3" name="us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTphOGYxZmU3NmI5MGM0NDdmYTI5ZmUxMmJiNDVhZWJmNS90YWJsZXJhbmdlOmE4ZjFmZTc2YjkwYzQ0N2ZhMjlmZTEyYmI0NWFlYmY1XzQtNy0xLTEtMA_4a902ca1-9184-422c-883b-1681532c578c">417</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total </span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3d43dda9499d44fe83662ee0d1fe19b4_D20210101-20211231" decimals="-3" name="us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTphOGYxZmU3NmI5MGM0NDdmYTI5ZmUxMmJiNDVhZWJmNS90YWJsZXJhbmdlOmE4ZjFmZTc2YjkwYzQ0N2ZhMjlmZTEyYmI0NWFlYmY1XzUtMS0xLTEtMA_35031b56-dfb8-421a-ae23-29db34a9b5dc">4,803</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iaa0178ee65a34e5c8eb8c936ff2bd6de_D20200101-20201231" decimals="-3" name="us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTphOGYxZmU3NmI5MGM0NDdmYTI5ZmUxMmJiNDVhZWJmNS90YWJsZXJhbmdlOmE4ZjFmZTc2YjkwYzQ0N2ZhMjlmZTEyYmI0NWFlYmY1XzUtMi0xLTEtMA_66c292d5-91de-4e23-a2b5-771d93b5f3e2">3,391</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie6fc2271de6e4fd9b0f2b5a1ddf5a2ca_D20190101-20191231" decimals="-3" name="us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTphOGYxZmU3NmI5MGM0NDdmYTI5ZmUxMmJiNDVhZWJmNS90YWJsZXJhbmdlOmE4ZjFmZTc2YjkwYzQ0N2ZhMjlmZTEyYmI0NWFlYmY1XzUtMy0xLTEtMA_7cf3d097-fc4a-401d-ab88-d94fe4ce2c3a">1,886</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib6c9870e623f455888b4dc3a3b96c3f2_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" scale="3" 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i05b35aa778904ade9effc9058dafefc3_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTphOGYxZmU3NmI5MGM0NDdmYTI5ZmUxMmJiNDVhZWJmNS90YWJsZXJhbmdlOmE4ZjFmZTc2YjkwYzQ0N2ZhMjlmZTEyYmI0NWFlYmY1XzUtNi0xLTEtMA_dafbb5f6-fe79-4c6f-b559-ee35f115a97e">3,452</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1225cd1e70474c52a7290379a9eba975_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTphOGYxZmU3NmI5MGM0NDdmYTI5ZmUxMmJiNDVhZWJmNS90YWJsZXJhbmdlOmE4ZjFmZTc2YjkwYzQ0N2ZhMjlmZTEyYmI0NWFlYmY1XzUtNy0xLTEtMA_bb5e0009-9fb3-4226-8c84-a00dec44d1e2">2,434</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, $<ix:nonFraction unitRef="usd" contextRef="ib2141649d08e4abc9ec8e9150c22400e_D20210101-20211231" decimals="-3" name="us-gaap:CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90ZXh0cmVnaW9uOmI1YWZlM2QxMGNkOTQ4MTQ4YmZkMjkyODcyOTM3NDNlXzc5NTY_79141acc-10e0-442f-826b-d0f01997ccf3">0.9</ix:nonFraction>&#160;million of net losses related to our interest rate swaps and commodity derivatives are expected to be reclassified from AOCI into earnings within the next 12 months. As market prices fluctuate, estimated and actual realized gains or losses will change during future periods.</span></div></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">94</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="i5b8c299564ce4b0cb137ba916a1494db"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Derivatives Not Designated as Hedge Instruments</span></div><div><span><br/></span></div><ix:continuation id="i3d36985ad0a64cd5b8fe0531f76ba7d1"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table summarizes the impacts of derivative instruments not designated as hedge instruments on our Consolidated Statements of Income for the years ended December 31, 2021, 2020 and 2019. Note that this presentation does not reflect the expected gains or losses arising from the underlying physical transactions; therefore, it is not indicative of the economic gross profit we realized when the underlying physical and financial transactions were settled.</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:30.040%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:38.373%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.695%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.695%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.697%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivatives Not Designated as Hedging Instruments</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income Statement Location</span></td><td colspan="9" style="border-bottom:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amount of Gain/(Loss) on Derivatives Recognized in Income</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Electric</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i228129c49f524512b5aa8f42eb967d9e_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:DerivativeGainLossOnDerivativeNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTozMTMxNjY3MmEwNjY0ZTBkYjYzN2MyYTYwNmU0OThiZC90YWJsZXJhbmdlOjMxMzE2NjcyYTA2NjRlMGRiNjM3YzJhNjA2ZTQ5OGJkXzMtMi0xLTEtMA_1fc5be25-463f-4c15-8f99-ae3ba1f9cec5">144</ix:nonFraction>)</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if4bcfcecc1554833b2888a5eaef2e6df_D20200101-20201231" decimals="-3" name="us-gaap:DerivativeGainLossOnDerivativeNet" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTozMTMxNjY3MmEwNjY0ZTBkYjYzN2MyYTYwNmU0OThiZC90YWJsZXJhbmdlOjMxMzE2NjcyYTA2NjRlMGRiNjM3YzJhNjA2ZTQ5OGJkXzMtMy0xLTEtMA_3772ade9-8144-4770-b1eb-ab6c8e978bc6">144</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if0281ac67e8746eeacaf73d49e84eb2d_D20190101-20191231" decimals="-3" name="us-gaap:DerivativeGainLossOnDerivativeNet" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTozMTMxNjY3MmEwNjY0ZTBkYjYzN2MyYTYwNmU0OThiZC90YWJsZXJhbmdlOjMxMzE2NjcyYTA2NjRlMGRiNjM3YzJhNjA2ZTQ5OGJkXzMtNC0xLTEtMA_966e7e8c-adc3-4133-8e36-67739fdbf166">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Natural Gas</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3e0a8ecb70b34ab49d774a44821ae547_D20200101-20201231" decimals="-3" name="us-gaap:DerivativeGainLossOnDerivativeNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90YWJsZTozMTMxNjY3MmEwNjY0ZTBkYjYzN2MyYTYwNmU0OThiZC90YWJsZXJhbmdlOjMxMzE2NjcyYTA2NjRlMGRiNjM3YzJhNjA2ZTQ5OGJkXzUtMy0xLTEtMA_c83c28fa-7735-4610-aa2c-3df01b1a7677">1,784</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i984c52cc448d48e984c4ecbc79e6c3c7_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:DerivativeGainLossOnDerivativeNet" format="ixt:num-dot-decimal" scale="3" 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However, there is no earnings impact because the unrealized gains and losses arising from the use of these financial instruments are recorded as Regulatory assets or Regulatory liabilities. The net unrealized losses included in our Regulatory assets or Regulatory liability accounts related to these financial instruments in our Gas Utilities were $<ix:nonFraction unitRef="usd" contextRef="ia16998d1fcd14f98a4441e0b64d45aa6_I20211231" decimals="-5" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90ZXh0cmVnaW9uOmI1YWZlM2QxMGNkOTQ4MTQ4YmZkMjkyODcyOTM3NDNlXzkyMDE_6a0f196b-157e-4597-8d22-02a78db45386">2.6</ix:nonFraction> million and $<ix:nonFraction unitRef="usd" contextRef="i694318226595481589eeddb60a99f8f4_I20201231" decimals="-5" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90ZXh0cmVnaW9uOmI1YWZlM2QxMGNkOTQ4MTQ4YmZkMjkyODcyOTM3NDNlXzkyMDg_0d39c725-e972-4347-b47b-f934483042f9">2.2</ix:nonFraction> million at December 31, 2021 and 2020, respectively. For our Electric Utilities, the unrealized gains and losses arising from these derivatives are recognized in the Consolidated Statements of Income.</span></div></ix:continuation><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_205"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(10)&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:DerivativesAndFairValueTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90ZXh0cmVnaW9uOmE0OWZlZDQ3MmYzYTRiMDBhOTA2MmQ0NjUxOGFiOWM3XzIwNTg_980926da-1e34-4cf5-8612-6477e34bf60a" continuedAt="i8a90b077b06d49bfbe7f55d3e996ad98" escape="true">FAIR VALUE MEASUREMENTS</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="i8a90b077b06d49bfbe7f55d3e996ad98" continuedAt="i6dbaa9aa940c4d36b7db40cbf44d1189"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Recurring Fair Value Measurements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Derivatives</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90ZXh0cmVnaW9uOmE0OWZlZDQ3MmYzYTRiMDBhOTA2MmQ0NjUxOGFiOWM3XzIwNzI_36d074dc-a0ae-4772-b4bb-75bac2106343" continuedAt="i28bb63d63d924eafa54c31be416147c9" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following tables set forth, by level within the fair value hierarchy, our gross assets and gross liabilities and related offsetting as permitted by GAAP that were accounted for at fair value on a recurring basis for derivative instruments.</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:38.227%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.841%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.841%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.841%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.285%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.081%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.084%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2021</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Level 2</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Level 3</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cash Collateral and Counterparty Netting</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="18" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Assets:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Gas Utilities</span></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i21acab1730954632870e9f8b4255e0ad_I20211231" decimals="-3" name="us-gaap:DerivativeAssets" format="ixt:fixed-zero" scale="3" 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name="us-gaap:DerivativeAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzQtMi0xLTEtMA_01e5d02f-6cf2-4fc5-be7a-7556ea21810c">7,569</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3c524f5269974997a4af07bc000f4357_I20211231" decimals="-3" name="us-gaap:DerivativeAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzQtMy0xLTEtMA_f43487c5-4170-41d9-a8ef-a8220a1d9a49">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i38cf3709f522421593649e9d250cfa5a_I20211231" decimals="-3" name="us-gaap:DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzQtNS0xLTEtMA_e92f60b8-6d4f-4e5e-98ac-21b1d4153994">2,374</ix:nonFraction>)</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i165c21e704b04a5586e35b0589c602df_I20211231" decimals="-3" name="us-gaap:DerivativeAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzQtNi0xLTEtMA_21e1987b-5e13-468f-9013-589f9656ba16">5,195</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Electric Utilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i411210ec71d34a498477ab02d62d3f09_I20211231" decimals="-3" name="us-gaap:DerivativeAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzUtMS0xLTEtMA_fcdd344c-f819-4791-a6af-5c152c144b36">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i74977b7b7707414f8580fdb4b83ee2ce_I20211231" decimals="-3" name="us-gaap:DerivativeAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzUtMi0xLTEtMA_ef3de0ec-94e7-43fd-9dff-e01e621d1c2a">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if3883555912d459a934eda3a8ae779b5_I20211231" decimals="-3" name="us-gaap:DerivativeAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzUtMy0xLTEtMA_d42e0521-9f74-468c-8662-2e0e243a1aa5">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i03497d752f074b3188e630107d8f2d8c_I20211231" decimals="-3" name="us-gaap:DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzUtNS0xLTEtMA_1c5178e7-4f01-4e9b-be4e-bb69a67fe002">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibbf1ada4e0d445d893eb3ef78e33268e_I20211231" decimals="-3" name="us-gaap:DerivativeAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzUtNi0xLTEtMA_58c94472-e2ea-419a-8408-499bb480a626">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iac982163b41747ecadec3b5cdd8add53_I20211231" decimals="-3" name="us-gaap:AssetsFairValueDisclosure" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzYtMS0xLTEtMA_77d47e9d-7940-46f0-84b7-87aed0ea6df8">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if32e883ec001433b8242ad1e29f3e5f7_I20211231" decimals="-3" name="us-gaap:AssetsFairValueDisclosure" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzYtMi0xLTEtMA_9ddf2ac9-0623-4899-9b17-c7ff24791a0a">7,569</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iafb41dcb6d0749ee91447915e5bc035c_I20211231" decimals="-3" name="us-gaap:AssetsFairValueDisclosure" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzYtMy0xLTEtMA_ff4964e8-334c-442a-abac-fcd40d1f4c29">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i926ef28080e2487c836e23c91c5b6d37_I20211231" decimals="-3" name="us-gaap:DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzYtNS0xLTEtMA_c917a309-865d-40c1-80f6-8cae37536e41">2,374</ix:nonFraction>)</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i89355011eb37476e9db5a38fa43f4514_I20211231" decimals="-3" name="us-gaap:AssetsFairValueDisclosure" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzYtNi0xLTEtMA_a58e0c87-b12b-4e37-88be-2fb0d0d77e63">5,195</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities:</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Gas Utilities</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i21acab1730954632870e9f8b4255e0ad_I20211231" decimals="-3" name="us-gaap:DerivativeLiabilities" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzktMS0xLTEtMA_f54e73fc-c897-4507-8762-ec44e8ac83d4">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic8eb9be0b1024e94bd2f3ea38f07ce45_I20211231" decimals="-3" name="us-gaap:DerivativeLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzktMi0xLTEtMA_319d9c9f-19a0-4dc3-92b5-976aac2c7221">3,273</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3c524f5269974997a4af07bc000f4357_I20211231" decimals="-3" name="us-gaap:DerivativeLiabilities" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzktMy0xLTEtMA_a8d3843d-ee02-4e58-89f4-46566c890866">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i38cf3709f522421593649e9d250cfa5a_I20211231" decimals="-3" name="us-gaap:DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzktNS0xLTEtMA_f4046ace-5e87-49c5-bd0e-b26c4249464a">1,814</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i165c21e704b04a5586e35b0589c602df_I20211231" decimals="-3" name="us-gaap:DerivativeLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzktNi0xLTEtMA_7fd52175-0b28-4c9f-b13f-c7674b54455f">1,459</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Electric Utilities</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"><ix:nonFraction unitRef="usd" contextRef="i411210ec71d34a498477ab02d62d3f09_I20211231" xsi:nil="true" name="us-gaap:DerivativeLiabilities" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzEwLTEtMS0xLTA_e42079a4-3141-4f54-a55f-bc6064c18344"></ix:nonFraction></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i74977b7b7707414f8580fdb4b83ee2ce_I20211231" decimals="-3" name="us-gaap:DerivativeLiabilities" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzEwLTItMS0xLTA_49f6b53d-0fbc-4c07-8ad0-17ce00ee7cbe">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"><ix:nonFraction unitRef="usd" contextRef="if3883555912d459a934eda3a8ae779b5_I20211231" xsi:nil="true" name="us-gaap:DerivativeLiabilities" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzEwLTMtMS0xLTA_701d42c7-848f-4670-9681-5d88adb34c07"></ix:nonFraction></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i03497d752f074b3188e630107d8f2d8c_I20211231" decimals="-3" name="us-gaap:DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzEwLTUtMS0xLTA_b9a3d7b9-f391-4fc0-9fe3-d9ec19601859">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibbf1ada4e0d445d893eb3ef78e33268e_I20211231" decimals="-3" name="us-gaap:DerivativeLiabilities" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzEwLTYtMS0xLTA_79d1a07f-ef4c-45ac-99a0-8d61363ca54c">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iac982163b41747ecadec3b5cdd8add53_I20211231" decimals="-3" name="us-gaap:LiabilitiesFairValueDisclosure" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzExLTEtMS0xLTA_40714462-e6ac-46ce-b016-d1a35666dd27">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if32e883ec001433b8242ad1e29f3e5f7_I20211231" decimals="-3" name="us-gaap:LiabilitiesFairValueDisclosure" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzExLTItMS0xLTA_9035437d-5a53-427f-8888-d4832f05252d">3,273</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iafb41dcb6d0749ee91447915e5bc035c_I20211231" decimals="-3" name="us-gaap:LiabilitiesFairValueDisclosure" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzExLTMtMS0xLTA_01962b85-36fc-407d-8941-2f7d1c9135d8">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i926ef28080e2487c836e23c91c5b6d37_I20211231" decimals="-3" name="us-gaap:DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzExLTUtMS0xLTA_e96eb2ec-ec28-498a-beda-991558d7b312">1,814</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i89355011eb37476e9db5a38fa43f4514_I20211231" decimals="-3" name="us-gaap:LiabilitiesFairValueDisclosure" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpiYWI4YTFkOTI2Y2M0MDFlODNlYzBlODA1ODZjYzcyZS90YWJsZXJhbmdlOmJhYjhhMWQ5MjZjYzQwMWU4M2VjMGU4MDU4NmNjNzJlXzExLTYtMS0xLTA_b1925cab-297f-4bd9-ada0-a3c9d76ccb70">1,459</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">_____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;As of December 31, 2021, $<ix:nonFraction unitRef="usd" contextRef="id35bc89c5d244d769c457deda9de5c9c_I20211231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeAsset" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90ZXh0cmVnaW9uOmE0OWZlZDQ3MmYzYTRiMDBhOTA2MmQ0NjUxOGFiOWM3XzM1Ng_a59c6c40-7cd4-4f84-94e7-6374741d5269">2.4</ix:nonFraction>&#160;million of our commodity derivative gross assets and $<ix:nonFraction unitRef="usd" contextRef="id35bc89c5d244d769c457deda9de5c9c_I20211231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeLiability" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90ZXh0cmVnaW9uOmE0OWZlZDQ3MmYzYTRiMDBhOTA2MmQ0NjUxOGFiOWM3XzQwNA_aa673327-f656-4b93-bd85-b2f44e0626e9">1.8</ix:nonFraction>&#160;million of our commodity derivative gross liabilities, as well as related gross collateral amounts, were subject to master netting agreements.</span></div></ix:nonNumeric></ix:continuation><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">95</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="i6dbaa9aa940c4d36b7db40cbf44d1189"><ix:continuation id="i28bb63d63d924eafa54c31be416147c9"><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:38.227%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.841%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.841%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.841%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.285%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.081%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.084%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2020</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Level 2</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Level 3</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cash Collateral and Counterparty Netting</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Assets:</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Gas Utilities</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i197e3403d6f546a6a88808d0bb8e2266_I20201231" decimals="-3" name="us-gaap:DerivativeAssets" format="ixt:fixed-zero" scale="3" 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzMtMi0xLTEtMA_349920fa-f4c8-4193-92f4-3bef611bda3c">2,504</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibbbf54adbfd749d684cf4663c2ad5715_I20201231" decimals="-3" 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ifa24ccec2b6a42c0ac544c9c684e3bac_I20201231" decimals="-3" name="us-gaap:DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzMtNS0xLTEtMA_ebf3120c-1c68-442d-b999-a83304ad7ca3">1,527</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzQtMi0xLTEtNzg1OTU_3c9dd880-d655-4931-9eb4-555c9ba77953">1,065</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if3883555912d459a934eda3a8ae779b5_I20211231" decimals="-3" name="us-gaap:DerivativeAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzQtMy0xLTEtOTY5MTk_c9ee36d7-d267-4a47-ae9e-45aac231c0db">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i03497d752f074b3188e630107d8f2d8c_I20211231" decimals="-3" name="us-gaap:DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzQtNS0xLTEtOTY5MTk_4fda43bd-5026-4055-8d6a-e4591659d040">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9adcab4a7e31485bac219deb63c5d2b2_I20201231" decimals="-3" name="us-gaap:DerivativeAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzQtNi0xLTEtOTY5MTk_7cf5c81d-f668-4afc-b248-28a9ffccfd5f">1,065</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i401ed7115e474a35b66cf3c73a0bc386_I20201231" decimals="-3" name="us-gaap:AssetsFairValueDisclosure" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzQtMS0xLTEtMA_4de07c26-3746-4ea3-8605-f5496b0193ba">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic6f4bb0f5a0b4456939acd2dec22495e_I20201231" decimals="-3" name="us-gaap:AssetsFairValueDisclosure" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzQtMi0xLTEtMA_e6815660-dc55-4c65-ac23-844697863495">3,569</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia0333171d60f4c678880a94830ef1f3d_I20201231" decimals="-3" name="us-gaap:AssetsFairValueDisclosure" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzQtMy0xLTEtMA_a9712976-e77f-4778-ab4b-3d5eaa8792b0">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ia9e9bb40faaa40dba4a6bef9e3aa64d1_I20201231" decimals="-3" name="us-gaap:DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzQtNS0xLTEtMA_6d59b776-99e4-4a3c-81fc-4d269157ec2a">1,527</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib2db3fef78a047b0a76e58d2c2f43dae_I20201231" decimals="-3" name="us-gaap:AssetsFairValueDisclosure" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzQtNi0xLTEtMA_44e017bc-6ab4-45ee-a445-a2cb91ca1536">2,042</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Gas Utilities</span></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i197e3403d6f546a6a88808d0bb8e2266_I20201231" decimals="-3" name="us-gaap:DerivativeLiabilities" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzctMS0xLTEtMA_c6396b36-ffab-43e6-a141-428931ee6596">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic910c667a32748f9b7cdd26fc2c8fc8f_I20201231" decimals="-3" name="us-gaap:DerivativeLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzctMi0xLTEtMA_661c05ec-d1a7-479a-9ffd-e3a1704cf065">2,675</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibbbf54adbfd749d684cf4663c2ad5715_I20201231" decimals="-3" name="us-gaap:DerivativeLiabilities" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzctMy0xLTEtMA_c67d1688-e1a2-4263-be80-fd2fdf976fa7">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ifa24ccec2b6a42c0ac544c9c684e3bac_I20201231" decimals="-3" name="us-gaap:DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzctNS0xLTEtMA_e3db7b5b-4141-489e-95d7-3038a2228700">1,552</ix:nonFraction>)</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic86b1f070d364fc1a640da82861880f3_I20201231" decimals="-3" name="us-gaap:DerivativeLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzctNi0xLTEtMA_627f5b80-b830-4c59-9a30-7d8c5ce883f9">1,123</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Electric Utilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i02eed7875b5a4037b9376db88af1cfde_I20201231" decimals="-3" name="us-gaap:DerivativeLiabilities" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzktMS0xLTEtOTY5MjI_52cdbe13-5491-453c-ac17-050ec3388063">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i624d8da0694843ca9ccaf01f48513769_I20201231" decimals="-3" name="us-gaap:DerivativeLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzktMi0xLTEtNzg2MDI_82662ccb-6c6f-4c51-9ce2-736256b3a20d">921</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i03b0d306e5ef4b38a7b9f7e4b2c2f7ba_I20201231" decimals="-3" name="us-gaap:DerivativeLiabilities" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzktMy0xLTEtOTY5MjI_0929bf4a-4adb-48bd-9e04-a784c043478c">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1e61be1b4dee401f9fd2267c2e38ef14_I20201231" decimals="-3" name="us-gaap:DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzktNS0xLTEtOTY5MjI_1f8d6318-1ceb-46a5-b07a-d24f51668c18">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9adcab4a7e31485bac219deb63c5d2b2_I20201231" decimals="-3" name="us-gaap:DerivativeLiabilities" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzktNi0xLTEtOTY5MjI_0086b8d8-0486-42ac-9cad-fe63268c7841">921</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i401ed7115e474a35b66cf3c73a0bc386_I20201231" decimals="-3" name="us-gaap:LiabilitiesFairValueDisclosure" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzgtMS0xLTEtMA_1b41498c-0039-40f9-b669-b938e6781940">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic6f4bb0f5a0b4456939acd2dec22495e_I20201231" decimals="-3" name="us-gaap:LiabilitiesFairValueDisclosure" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzgtMi0xLTEtMA_6c1bbf6e-b591-4d14-a999-fcd5fcc5c131">3,596</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia0333171d60f4c678880a94830ef1f3d_I20201231" decimals="-3" name="us-gaap:LiabilitiesFairValueDisclosure" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzgtMy0xLTEtMA_ea262c0a-a5bb-43e7-b02e-c272bc1ce976">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ia9e9bb40faaa40dba4a6bef9e3aa64d1_I20201231" decimals="-3" name="us-gaap:DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzgtNS0xLTEtMA_83142863-2ea9-49f7-ab1b-fd346ec6d449">1,552</ix:nonFraction>)</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib2db3fef78a047b0a76e58d2c2f43dae_I20201231" decimals="-3" name="us-gaap:LiabilitiesFairValueDisclosure" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTpjZDQ4OWI4Y2Y1OTk0Njc2YmMxYjliNzYwMDFmZTM1Yi90YWJsZXJhbmdlOmNkNDg5YjhjZjU5OTQ2NzZiYzFiOWI3NjAwMWZlMzViXzgtNi0xLTEtMA_abf3a684-afa4-4d8b-ae4f-5c328f92bc1e">2,044</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;As of December 31, 2020, $<ix:nonFraction unitRef="usd" contextRef="i2697cdfdd11445e6beb4a0f034793ef9_I20201231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeAsset" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90ZXh0cmVnaW9uOmE0OWZlZDQ3MmYzYTRiMDBhOTA2MmQ0NjUxOGFiOWM3XzU5MQ_97265a71-b7e6-48a2-951a-5c211c13f3f0">1.5</ix:nonFraction>&#160;million of our commodity derivative assets and $<ix:nonFraction unitRef="usd" contextRef="i2697cdfdd11445e6beb4a0f034793ef9_I20201231" decimals="-3" name="us-gaap:DerivativeFairValueOfDerivativeLiability" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90ZXh0cmVnaW9uOmE0OWZlZDQ3MmYzYTRiMDBhOTA2MmQ0NjUxOGFiOWM3XzYzMw_1f61bf80-74e4-4b3f-ada6-228bc6b26610">1.6</ix:nonFraction>&#160;million of our commodity derivative liabilities, as well as related gross collateral amounts, were subject to master netting agreements.</span></div></ix:continuation><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Pension and Postretirement Plan Assets</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A discussion of the fair value of our Pension and Postretirement Plan assets is included in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_214">Note 13</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Nonrecurring Fair Value Measurement</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A discussion of the fair value of our investment in equity securities of a privately held oil and gas company, a Level 3 asset, is included in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_172">Note 1</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Other Fair Value Measurements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The carrying amount of cash and cash equivalents, restricted cash and equivalents and short-term borrowings approximates fair value due to their liquid or short-term nature. Cash, cash equivalents and restricted cash are classified in Level 1 in the fair value hierarchy. Notes payable consist of commercial paper borrowings and are not traded on an exchange; therefore, they are classified as Level 2 in the fair value hierarchy.</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:FairValueByBalanceSheetGroupingTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90ZXh0cmVnaW9uOmE0OWZlZDQ3MmYzYTRiMDBhOTA2MmQ0NjUxOGFiOWM3XzIwNzM_465d512d-bb1f-48f4-8cb7-72cfca15e6e8" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table presents the carrying amounts and fair values of financial instruments not recorded at fair value on the Consolidated Balance Sheets at December 31 (in thousands):</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:40.420%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.519%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.519%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.519%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.523%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Carrying Amount</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fair Value</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Carrying Amount</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fair Value</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Long-term debt, including current maturities </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6af6ebdff916455ca6821b0e98017c72_I20211231" decimals="-3" name="us-gaap:LongTermDebt" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTphODc2ZWViMjA2MmQ0YmIwYjYxZjMxNWUxZDAwNmFlZC90YWJsZXJhbmdlOmE4NzZlZWIyMDYyZDRiYjBiNjFmMzE1ZTFkMDA2YWVkXzUtMS0xLTEtMA_db6d5953-cd7a-4904-bcda-a852cdeddafa">4,126,923</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0d8bb8e5e227430baf3a291a61c31f9c_I20211231" decimals="-3" name="us-gaap:LongTermDebt" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTphODc2ZWViMjA2MmQ0YmIwYjYxZjMxNWUxZDAwNmFlZC90YWJsZXJhbmdlOmE4NzZlZWIyMDYyZDRiYjBiNjFmMzE1ZTFkMDA2YWVkXzUtMi0xLTEtMA_afae3a16-d5c5-40b5-8778-c91584e44e45">4,570,619</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ide5e963e69d040c3957e2fee5b4d2cf5_I20201231" decimals="-3" name="us-gaap:LongTermDebt" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTphODc2ZWViMjA2MmQ0YmIwYjYxZjMxNWUxZDAwNmFlZC90YWJsZXJhbmdlOmE4NzZlZWIyMDYyZDRiYjBiNjFmMzE1ZTFkMDA2YWVkXzUtMy0xLTEtMA_05513475-8521-45b7-911c-d725c467a06e">3,536,536</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ied0fdc0b9e3e4ee2ab94bdae158a3939_I20201231" decimals="-3" name="us-gaap:LongTermDebt" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90YWJsZTphODc2ZWViMjA2MmQ0YmIwYjYxZjMxNWUxZDAwNmFlZC90YWJsZXJhbmdlOmE4NzZlZWIyMDYyZDRiYjBiNjFmMzE1ZTFkMDA2YWVkXzUtNC0xLTEtMA_560273cc-6665-490c-b0c5-6712ee9925de">4,208,167</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Long-term debt is valued based on observable inputs available either directly or indirectly for similar liabilities in active markets and therefore is classified in Level 2 in the fair value hierarchy. Carrying amount of long-term debt is net of deferred financing costs.</span></div></ix:nonNumeric></ix:continuation><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">96</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_208"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(11)&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ComprehensiveIncomeNoteTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90ZXh0cmVnaW9uOmI3Mzk5MzNlNGE0YTQ3MTRiZDdkMWY2NTYwZDdiMWRlXzg3Mg_1e034cb8-2da2-49f8-8cbe-ccf6075e7c20" continuedAt="id79922616d354d6db74a4a720be25521" escape="true">OTHER COMPREHENSIVE INCOME</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="id79922616d354d6db74a4a720be25521"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We record deferred gains (losses) in AOCI related to interest rate swaps designated as cash flow hedges, commodity contracts designated as cash flow hedges and the amortization of components of our defined benefit plans. Deferred gains (losses) for our commodity contracts designated as cash flow hedges are recognized in earnings upon settlement, while deferred gains (losses) related to our interest rate swaps are recognized in earnings as they are amortized.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table details reclassifications out of AOCI and into Net income. <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90ZXh0cmVnaW9uOmI3Mzk5MzNlNGE0YTQ3MTRiZDdkMWY2NTYwZDdiMWRlXzg4Mg_2ff67cad-c7ef-4135-91f9-97f86284b861" continuedAt="i39d849be74bb48c19f32b58b627da990" escape="true">The amounts in parentheses below indicate decreases to Net income in the Consolidated Statements of Income for the period, net of tax (in thousands):</ix:nonNumeric></span></div><div style="margin-top:5pt"><ix:continuation id="i39d849be74bb48c19f32b58b627da990"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:41.005%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:23.461%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.566%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.568%"></td><td style="width:0.1%"></td></tr><tr style="height:12pt"><td colspan="3" rowspan="2" style="padding:0 1pt"></td><td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Location on the Consolidated Statements of Income</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amount Reclassified from AOCI</span></td></tr><tr style="height:12pt"><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gains and (losses) on cash flow hedges:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest rate swaps</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest expense</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i9c8367445f0c4c98b3adb9b6e79b48c7_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:InterestCostsIncurred" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzMtMi0xLTEtMA_a1ea7a3b-b2ac-4cb5-a3aa-293fb7017fd2">2,851</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i96caaa5a933842799e9778e3c810395c_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:InterestCostsIncurred" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzMtMy0xLTEtMA_5580fbbc-05c1-478f-befb-5c26e30ecaac">2,851</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity contracts</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i089849f77e994e20a33cb49dc7c9273c_D20210101-20211231" decimals="-3" name="bkh:FuelPurchasedPowerAndCostOfGasSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzQtMi0xLTEtMA_066dcac7-307a-40a0-8e5f-0049b1049683">2,051</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i4b67e306c4c2480fb3365ee5ac12ea5a_D20200101-20201231" decimals="-3" sign="-" name="bkh:FuelPurchasedPowerAndCostOfGasSold" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzQtMy0xLTEtMA_84e42eeb-6f4e-40da-af8a-4486086f1a32">601</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ic98e23dac42d4eca8f7d51481e64bed4_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzUtMi0xLTEtMA_5264eec3-482d-40c0-b6b5-9bf70a885cb9">800</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i284cf0aae8104eccb818efbe7bb0b24b_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzUtMy0xLTEtMA_54c72d3c-b44b-479c-84b3-cacfbdb60a2e">3,452</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income tax</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income tax benefit (expense)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic98e23dac42d4eca8f7d51481e64bed4_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:IncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzYtMi0xLTEtMA_0b9fddaa-750c-4df5-94ec-8115eb5fa771">175</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i284cf0aae8104eccb818efbe7bb0b24b_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:IncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzYtMy0xLTEtMA_4a62402a-951e-4799-9d5b-41913f0f4c05">383</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total reclassification adjustments related to cash flow hedges, net of tax</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ic98e23dac42d4eca8f7d51481e64bed4_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:ProfitLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzctMi0xLTEtMA_bccc02b8-815d-47a6-86bb-140205f40a68">625</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i284cf0aae8104eccb818efbe7bb0b24b_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzctMy0xLTEtMA_95990ed7-3f78-4a6a-b3e9-943169c6efdf">3,069</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of components of defined benefit plans:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Prior service cost</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Operations and maintenance</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id9c5e36085e24ae6bc89372ea3bde634_D20210101-20211231" decimals="-3" name="bkh:OperatingExpenseMaintenanceOperationsandOtherCostsandExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzEwLTItMS0xLTA_91d11fe2-dfeb-4191-ac67-748b744ec226">98</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i5b40b6152bf44c618abdee68942a02d1_D20200101-20201231" decimals="-3" name="bkh:OperatingExpenseMaintenanceOperationsandOtherCostsandExpense" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzEwLTMtMS0xLTA_1c5427e7-1e1e-4b50-816a-394512946585">103</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Actuarial gain (loss)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Operations and maintenance</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="if01d89b923004776b30a7d2234d17604_D20210101-20211231" decimals="-3" sign="-" name="bkh:OperatingExpenseMaintenanceOperationsandOtherCostsandExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzEyLTItMS0xLTA_75a96875-f74a-4276-850a-b91e6c5d84b8">2,391</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i62c5ae218af9499a9edc3f471e5ab83c_D20200101-20201231" decimals="-3" sign="-" name="bkh:OperatingExpenseMaintenanceOperationsandOtherCostsandExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzEyLTMtMS0xLTA_c0c91aa9-74b0-47e7-bb51-36490a425159">2,387</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i9df62b7b59ca400b9dcbab97edbc8329_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzEzLTItMS0xLTA_7ac243aa-af09-4a9d-b140-fe1ad4a323bb">2,293</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i2304d07626ca46cb9a65e6e3e1bb4909_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzEzLTMtMS0xLTA_e81bc7d2-b149-4d01-8088-9c2c4800781d">2,284</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income tax</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income tax benefit (expense)</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9df62b7b59ca400b9dcbab97edbc8329_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:IncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzE0LTItMS0xLTA_766c1a65-fc39-4f09-8abc-351d515e663e">638</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2304d07626ca46cb9a65e6e3e1bb4909_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:IncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzE0LTMtMS0xLTA_314fd004-3505-42c4-bb21-336bcd9948fc">935</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total reclassification adjustments related to defined benefit plans, net of tax</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i9df62b7b59ca400b9dcbab97edbc8329_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzE1LTItMS0xLTA_b8ae3f84-9368-4250-9258-feb06ee7e466">1,655</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i2304d07626ca46cb9a65e6e3e1bb4909_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzE1LTMtMS0xLTA_644ae402-05c3-4776-beb9-cf9c2bdefa72">1,349</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total reclassifications</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib94ca9f2cac84b0dbb4385360f514cf3_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzE3LTItMS0xLTA_bfd3d12c-b104-4b81-8aef-e795e4311949">2,280</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i151036bfd7d24a9dacddf2f37b5b5ab9_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZToyMWE0OGNhNzEzYmM0OTY5OWFkMjJlNmVjZjk0N2Y1Ny90YWJsZXJhbmdlOjIxYTQ4Y2E3MTNiYzQ5Njk5YWQyMmU2ZWNmOTQ3ZjU3XzE3LTMtMS0xLTA_f39d7186-6592-4e07-9073-4ba37f604184">4,418</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></ix:continuation></div><div><span><br/></span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90ZXh0cmVnaW9uOmI3Mzk5MzNlNGE0YTQ3MTRiZDdkMWY2NTYwZDdiMWRlXzg4NQ_f9ed1dc0-33d5-4264-b914-4ab460d66434" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Balances by classification included within AOCI, net of tax on the accompanying Consolidated Balance Sheets were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:40.481%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:17.055%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.566%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.223%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.175%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivatives Designated as Cash Flow Hedges</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest Rate Swaps</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity Derivatives</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Employee Benefit Plans</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2020</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id0c756ccc67949e88b6f902e8d8535a7_I20201231" decimals="-3" sign="-" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzItMS0xLTEtMA_722406ed-ab2e-48ec-b865-a2d1aa432a7a">12,558</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i5ad1ed7a9d9c4172885af04bad650bca_I20201231" decimals="-3" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzItMi0xLTEtMA_5913ae15-3160-483d-80fd-4d8be8f87b48">2</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i69cbcd53961b4497aea422ff3e535a5b_I20201231" decimals="-3" sign="-" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzItMy0xLTEtMA_38bd6f57-86d3-4139-b6aa-ad1de38e1f4a">14,790</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" sign="-" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzItNC0xLTEtMA_c593143f-69cb-4728-8561-b5cfe999d96a">27,346</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other comprehensive income (loss) </span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">before reclassifications</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i31c70c85d5644f4eb2daa56c840e0c10_D20210101-20211231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzQtMS0xLTEtMA_118c53f2-a171-41f5-b31e-b81f269d5ebc">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1177548b695c4053be8ffa3c0f09c02a_D20210101-20211231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzQtMi0xLTEtMA_ca39c62d-804a-4386-9ba4-f53975179b5e">3,023</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i33f3b4cc51574a27b83e9d348f0530d9_D20210101-20211231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzQtMy0xLTEtMA_8e76c2ec-4a1f-4eec-9146-94a52fa19749">1,959</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0e711e0630b44438b5c87bf5bcc0da20_D20210101-20211231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzQtNC0xLTEtMA_1fcdafb7-4850-4b62-9dcb-ca589b0c6b32">4,982</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amounts reclassified from AOCI</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9c8367445f0c4c98b3adb9b6e79b48c7_D20210101-20211231" decimals="-3" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzUtMS0xLTEtMA_7d7ae687-087e-4131-8bb4-d818e03de0eb">2,174</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i089849f77e994e20a33cb49dc7c9273c_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzUtMi0xLTEtMA_71887a80-cb01-42fd-af93-7d604961c9a2">1,549</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9df62b7b59ca400b9dcbab97edbc8329_D20210101-20211231" decimals="-3" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzUtMy0xLTEtMA_f8a24e8e-9942-4eee-b51b-1e5843f00335">1,655</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8573d71e7f984072a37505d15a781eb5_D20210101-20211231" decimals="-3" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzUtNC0xLTEtMA_775a2ba5-c021-42e6-ab31-3b6df3493f29">2,280</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2021</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="if5d63d829d4849a58c9ac2571542e335_I20211231" decimals="-3" sign="-" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzctMS0xLTEtMA_9f747871-04e7-4a60-989f-48df90f1e168">10,384</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if5ac87dd451b4a35b0bcab971482a7bb_I20211231" decimals="-3" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzctMi0xLTEtMA_1e6a2dcc-05ca-46f3-b070-2c76cde40160">1,476</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id0ce56495a1d435bb45ab53bca4bfc31_I20211231" decimals="-3" sign="-" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzctMy0xLTEtMA_2a31f13f-32d9-45a6-a960-4fdc42c45460">11,176</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" sign="-" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzctNC0xLTEtMA_65fd17f3-ba9d-46b6-9701-c384975d6774">20,084</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivatives Designated as Cash Flow Hedges</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest Rate Swaps</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity Derivatives</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Employee Benefit Plans</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2019</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i4e178634a32041bfa39fb0d5b4d5a0cb_I20191231" decimals="-3" sign="-" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzExLTEtMS0xLTA_ad6fc722-59db-4881-ac3d-7dda8799013b">15,122</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="icb24aae3cd9c47be9f0464d39f7ca45b_I20191231" decimals="-3" sign="-" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzExLTItMS0xLTA_7d5302b9-b08a-49ff-a438-fcd0a6e519f2">456</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6560e6be46d649b0b25681e82ccea901_I20191231" decimals="-3" sign="-" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzExLTMtMS0xLTA_7fc38887-a510-4690-86b8-714c55e34dee">15,077</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i0775ca58b3d94559b8449be6bfcf8cf6_I20191231" decimals="-3" sign="-" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzExLTQtMS0xLTA_6bb16bb1-f7a8-4928-950e-60edc4888326">30,655</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other comprehensive income (loss) </span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">before reclassifications</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ieac0a32f9b5640df80f6c12e9431da3a_D20200101-20201231" decimals="-3" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzEzLTEtMS0xLTA_1bbad929-77a5-41f8-b50e-4c4f3f203ddd">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1d319b4817524158930d9b4c38cda3ad_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzEzLTItMS0xLTA_f82d634b-5fcd-4732-8674-a6caf8548b09">47</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ic763c8c08d1e4cb99cec2f4b5d6b69e5_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzEzLTMtMS0xLTA_297ab377-e2dd-411d-b5d8-7c1e2b14b92f">1,062</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id9821ce2154e4563a673dccfc6faeaa4_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzEzLTQtMS0xLTA_7d96c246-3a58-46bd-b203-0a4ebeb5df12">1,109</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amounts reclassified from AOCI</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i96caaa5a933842799e9778e3c810395c_D20200101-20201231" decimals="-3" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzE0LTEtMS0xLTA_b208b8d3-2aff-4a86-9f81-22f195be8b9d">2,564</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i4b67e306c4c2480fb3365ee5ac12ea5a_D20200101-20201231" decimals="-3" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzE0LTItMS0xLTA_b4f82b07-dd2a-4949-a3ff-ba5a579f077a">505</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2304d07626ca46cb9a65e6e3e1bb4909_D20200101-20201231" decimals="-3" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzE0LTMtMS0xLTA_d0b382ed-9c1b-4ebf-90ff-da65cd4b5e0a">1,349</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0706bfdee4b643f2b04b5680001c3fc6_D20200101-20201231" decimals="-3" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzE0LTQtMS0xLTA_60ccf141-c0cd-4c49-ab26-b846b0d8021c">4,418</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2020</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id0c756ccc67949e88b6f902e8d8535a7_I20201231" decimals="-3" sign="-" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzE3LTEtMS0xLTA_367dbcdc-06d7-4a6d-a924-7a9e141eaeef">12,558</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i5ad1ed7a9d9c4172885af04bad650bca_I20201231" decimals="-3" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzE3LTItMS0xLTA_d1e5767b-18fc-43cc-8830-932f5b5c4368">2</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i69cbcd53961b4497aea422ff3e535a5b_I20201231" decimals="-3" sign="-" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzE3LTMtMS0xLTA_291b81a4-c181-4f9d-a13f-d96d90ce69f9">14,790</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" sign="-" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90YWJsZTowN2Q0ZmU0MWQwMjU0MGM3YmUzYzU2YzEwNjJiNTQzMy90YWJsZXJhbmdlOjA3ZDRmZTQxZDAyNTQwYzdiZTNjNTZjMTA2MmI1NDMzXzE3LTQtMS0xLTA_4dc6c074-6813-4c15-9396-71b56a1a8408">27,346</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">97</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_211"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(12)&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:VariableInterestEntityDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90ZXh0cmVnaW9uOjk5OTI2ODY1YjdhMTRjZGM5Nzk1ODc4MzQzNTVmNzU1XzIzNjQ_df8cce68-d289-4718-baff-85e035cd1f00" continuedAt="if0efe66cb6174c06af94849564f49d0e" escape="true">VARIABLE INTEREST ENTITY</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="if0efe66cb6174c06af94849564f49d0e"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Black Hills Colorado IPP owns and operates a <ix:nonFraction unitRef="mw" contextRef="i846a5a44ce2b45eb8fcf78695828f639_I20211231" decimals="INF" name="bkh:NumberOfMegawattsCapacityPurchasedOld" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90ZXh0cmVnaW9uOjk5OTI2ODY1YjdhMTRjZGM5Nzk1ODc4MzQzNTVmNzU1XzU5_371fa235-9c40-46a9-8cef-02907b8f74dc">200</ix:nonFraction> MW, combined-cycle natural gas generating facility located in Pueblo, Colorado. In 2016, Black Hills Electric Generation sold a <ix:nonFraction unitRef="number" contextRef="i25a07c368e7c4fde9f480d0b4964b461_D20160414-20160414" decimals="INF" name="us-gaap:VariableInterestEntityOwnershipPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90ZXh0cmVnaW9uOjk5OTI2ODY1YjdhMTRjZGM5Nzk1ODc4MzQzNTVmNzU1XzE5MQ_f794e843-7828-4bd8-86a7-805a26ed8aa8">49.9</ix:nonFraction>%, non-controlling interest in Black Hills Colorado IPP to a third-party buyer. Black Hills Electric Generation is the operator of the facility, which is contracted to provide capacity and energy through 2031 to Colorado Electric.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The accounting for a partial sale of a subsidiary in which control is maintained and the subsidiary continues to be consolidated is specified under ASC 810, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Consolidation</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">. The partial sale is required to be recorded as an equity transaction with no resulting gain or loss on the sale. GAAP requires that non-controlling interests in subsidiaries and affiliates be reported in the equity section of a company&#8217;s balance sheet.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Net income available for common stock for the years ended December 31, 2021, 2020 and 2019 was reduced by $<ix:nonFraction unitRef="usd" contextRef="i0e0366d571ca4340b3fea151ac3904f6_D20210101-20211231" decimals="-6" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90ZXh0cmVnaW9uOjk5OTI2ODY1YjdhMTRjZGM5Nzk1ODc4MzQzNTVmNzU1Xzk0NA_c6c92f7a-2fb2-4f8a-98c0-13eb36e88f47">15</ix:nonFraction> million,  $<ix:nonFraction unitRef="usd" contextRef="i832a4034827f4ce6a3a89732520afc75_D20200101-20201231" decimals="-6" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90ZXh0cmVnaW9uOjk5OTI2ODY1YjdhMTRjZGM5Nzk1ODc4MzQzNTVmNzU1Xzk0OQ_599cb6ad-b028-45ef-a761-4b108b45b9d1">15</ix:nonFraction> million, and $<ix:nonFraction unitRef="usd" contextRef="i86b354b0c5c44196b6cde1045520961b_D20190101-20191231" decimals="-6" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90ZXh0cmVnaW9uOjk5OTI2ODY1YjdhMTRjZGM5Nzk1ODc4MzQzNTVmNzU1Xzk1Nw_a9ea3472-a40b-4e8a-8bc3-f6665c997717">14</ix:nonFraction> million, respectively, attributable to this non-controlling interest. The net income allocable to the non-controlling interest holder is based on ownership interest with the exception of certain agreed upon adjustments. Distributions of net income attributable to this non-controlling interest are due within <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="bkh:NumberOfDaysFollowingTheEndOfTheQuarterWhenDistributionsOfNetIncomeAttributableToThisNonControllingInterestAreDue" format="ixt-sec:durday" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90ZXh0cmVnaW9uOjk5OTI2ODY1YjdhMTRjZGM5Nzk1ODc4MzQzNTVmNzU1XzE2NDkyNjc0NDQzNzY_4b955ba7-cdbb-48e7-b91a-10402dacedb7">30</ix:nonNumeric> days following the end of a quarter, but may be withheld as necessary by Black Hills Electric Generation.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Black Hills Colorado IPP has been determined to be a VIE in which the Company has a variable interest. Black Hills Electric Generation has been determined to be the primary beneficiary of the VIE as Black Hills Electric Generation is the operator and manager of the generation facility and, as such, has the power to direct the activities that most significantly impact Black Hills Colorado IPP&#8217;s economic performance. Black Hills Electric Generation, as the primary beneficiary, continues to consolidate Black Hills Colorado IPP. Black Hills Colorado IPP has not received financial or other support from the Company outside of pre-existing contractual arrangements during the reporting period. Black Hills Colorado IPP does not have any debt and its cash flows from operations are sufficient to support its ongoing operations.</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfVariableInterestEntitiesTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90ZXh0cmVnaW9uOjk5OTI2ODY1YjdhMTRjZGM5Nzk1ODc4MzQzNTVmNzU1XzIzNjU_1e20123d-3996-4e55-9e4a-338a3a9555c5" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have recorded the following assets and liabilities on our consolidated balance sheets related to the VIE described above as of December 31 (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:70.894%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.536%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.533%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.537%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Assets:</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current assets</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id55562bc6bd244d3a5a4ba137dad80f4_I20211231" decimals="-3" name="us-gaap:AssetsCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90YWJsZTowY2FjY2UwYTNmZDQ0OWRiOWFiN2IxODA0MzYwNGQxMy90YWJsZXJhbmdlOjBjYWNjZTBhM2ZkNDQ5ZGI5YWI3YjE4MDQzNjA0ZDEzXzMtMS0xLTEtMA_44f9f04b-3908-48c3-9495-92c94b481b9c">13,220</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i05af7a59364d4cc89097d8a84cccde03_I20201231" decimals="-3" name="us-gaap:AssetsCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90YWJsZTowY2FjY2UwYTNmZDQ0OWRiOWFiN2IxODA0MzYwNGQxMy90YWJsZXJhbmdlOjBjYWNjZTBhM2ZkNDQ5ZGI5YWI3YjE4MDQzNjA0ZDEzXzMtMy0xLTEtMA_74e1bc1a-8e85-4579-9b81-aeff3409fb9f">13,604</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, plant and equipment of variable interest entities, net</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id55562bc6bd244d3a5a4ba137dad80f4_I20211231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90YWJsZTowY2FjY2UwYTNmZDQ0OWRiOWFiN2IxODA0MzYwNGQxMy90YWJsZXJhbmdlOjBjYWNjZTBhM2ZkNDQ5ZGI5YWI3YjE4MDQzNjA0ZDEzXzQtMS0xLTEtMA_742cd069-643f-44af-8019-9d44875e4dbf">189,079</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i05af7a59364d4cc89097d8a84cccde03_I20201231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90YWJsZTowY2FjY2UwYTNmZDQ0OWRiOWFiN2IxODA0MzYwNGQxMy90YWJsZXJhbmdlOjBjYWNjZTBhM2ZkNDQ5ZGI5YWI3YjE4MDQzNjA0ZDEzXzQtMy0xLTEtMA_f8daf4cd-78ca-40ca-8245-d30e4be78991">190,637</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current liabilities</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id55562bc6bd244d3a5a4ba137dad80f4_I20211231" decimals="-3" name="us-gaap:LiabilitiesCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90YWJsZTowY2FjY2UwYTNmZDQ0OWRiOWFiN2IxODA0MzYwNGQxMy90YWJsZXJhbmdlOjBjYWNjZTBhM2ZkNDQ5ZGI5YWI3YjE4MDQzNjA0ZDEzXzctMS0xLTEtMA_31fc2520-cd76-4b71-b16e-ea7c35eacc35">5,841</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i05af7a59364d4cc89097d8a84cccde03_I20201231" decimals="-3" name="us-gaap:LiabilitiesCurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90YWJsZTowY2FjY2UwYTNmZDQ0OWRiOWFiN2IxODA0MzYwNGQxMy90YWJsZXJhbmdlOjBjYWNjZTBhM2ZkNDQ5ZGI5YWI3YjE4MDQzNjA0ZDEzXzctMy0xLTEtMA_a70aa67b-b62b-4da8-8d44-cc06a58c361f">5,318</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric></ix:continuation><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_214"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(13)&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyNjU3_f324e4ee-f5a1-4104-87ef-f188237d59cd" continuedAt="i0804d874e3624bfca58aa0d51ef91430" escape="true">EMPLOYEE BENEFIT PLANS</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="i0804d874e3624bfca58aa0d51ef91430" continuedAt="i0e969b7353824200a81e6d17ce188066"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Defined Contribution Plans</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We sponsor a 401(k) retirement savings plan (the 401(k) Plan). Participants in the 401(k) Plan may elect to invest a portion of their eligible compensation in the 401(k) Plan up to the maximum amounts established by the IRS. The 401(k) Plan provides employees the opportunity to invest up to <ix:nonFraction unitRef="number" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="INF" name="us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzMzNg_ca60ae57-7c21-425d-bb60-31de688930f8">50</ix:nonFraction>% of their eligible compensation on a pre-tax or after-tax basis.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The 401(k) Plan provides a Company matching contribution for all eligible participants. Certain eligible participants who are not currently accruing a benefit in the Pension Plan also receive a Company retirement contribution based on the participant&#8217;s age and years of service. Vesting of all Company and matching contributions occurs at <ix:nonFraction unitRef="number" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="INF" name="us-gaap:DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5Xzc0Nw_46bf6788-000a-4ac4-a032-85b263a6f5dd">20</ix:nonFraction>% per year with <ix:nonFraction unitRef="number" contextRef="i95c1e68a685b405096d1800124865eb2_D20210101-20211231" decimals="INF" name="us-gaap:DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5Xzc2NA_db200e1d-d57d-43b8-89b0-079a10c2afde">100</ix:nonFraction>% vesting when the participant has <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="bkh:DefinedContributionPlanEmployeeVestingPeriod" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzgwMA_9cbcaa68-29b8-4d82-8af9-798f9152bcb9">5</ix:nonNumeric> years of service with the Company.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Defined Benefit Pension Plan</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have <ix:nonFraction unitRef="gas_distribution_territory" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="0" name="bkh:NumberOfDefinedPensionPlans" format="ixt-sec:numwordsen" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5Xzg3MQ_2fcd93b3-a48d-4cb6-939c-d64ec089c60a">one</ix:nonFraction> defined benefit pension plan, the Black Hills Retirement Plan (Pension Plan). The Pension Plan covers certain eligible employees of the Company. The benefits for the Pension Plan are based on years of service and calculations of average earnings during a specific time period prior to retirement. The Pension Plan is closed to new employees and frozen for certain employees who did not meet age and service based criteria.</span></div></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">98</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="i0e969b7353824200a81e6d17ce188066" continuedAt="ibc3b1a9b3226482f83404832a6ff12b6"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Pension Plan assets are held in a Master Trust. Our Board of Directors has approved the Pension Plan&#8217;s investment policy.  The objective of the investment policy is to manage assets in such a way that will allow the eventual settlement of our obligations to the Pension Plan&#8217;s beneficiaries. To meet this objective, our pension assets are managed by an outside adviser using a portfolio strategy that will provide liquidity to meet the Pension Plan&#8217;s benefit payment obligations. The Pension Plan&#8217;s assets consist primarily of equity, fixed income and hedged investments.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The expected rate of return on the Pension Plan assets is determined by reviewing the historical and expected returns of both equity and fixed income markets, taking into account asset allocation, the correlation between asset class returns and the mix of active and passive investments. The Pension Plan utilizes a dynamic asset allocation where the target range to return-seeking and liability-hedging assets is determined based on the funded status of the Plan. As of December 31, 2021, the expected rate of return on pension plan assets was based on the targeted asset allocation range of <ix:nonFraction unitRef="number" contextRef="i6c9e9eec7f93475f9ee9495669ccdc18_I20211231" decimals="INF" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzI0NjQ_c09e65a1-5a06-4002-9799-da513b929e74">22</ix:nonFraction>%</span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">to <ix:nonFraction unitRef="number" contextRef="i22390e2194074732a5d3102ec7709d2b_I20211231" decimals="INF" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzI0NzA_4690f127-ca52-4d78-861b-6563c99f4ab0">30</ix:nonFraction>% return-seeking assets and <ix:nonFraction unitRef="number" contextRef="ie219f1724fa94cb5be6b3d507e401f13_I20211231" decimals="INF" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzI0OTk_2fa573a2-9b7e-4cee-b3e3-5963c4a97712">70</ix:nonFraction>% to <ix:nonFraction unitRef="number" contextRef="i2d55f0cfc1e24ee0975391bbec05c319_I20211231" decimals="INF" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzI1MDU_4e9e31e5-5264-48e6-9155-383d97b6366f">78</ix:nonFraction>% liability-hedging assets.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Pension Plan is funded in compliance with the federal government&#8217;s funding requirements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Plan Assets</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfAllocationOfPlanAssetsTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyNzUx_a4dfdbff-0e14-4ea7-b7a8-156693598916" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The percentages of total plan asset by investment category for our Pension Plan at December 31 were as follows:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:32.379%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:32.233%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:32.088%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Equity</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i1d71056793694fa0800a4665fc7213e0_I20211231" decimals="2" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3ZGNiMDkwYzE2ZGI0OWUxOGY0ZDMwN2ZiMjM1MDI5NS90YWJsZXJhbmdlOjdkY2IwOTBjMTZkYjQ5ZTE4ZjRkMzA3ZmIyMzUwMjk1XzEtMS0xLTEtMA_a11ffd11-7ac6-4e3f-8c1f-ca059ab81ad2">15</ix:nonFraction>%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i8565f3364640428f9b223bbbf0cab48c_I20201231" decimals="2" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3ZGNiMDkwYzE2ZGI0OWUxOGY0ZDMwN2ZiMjM1MDI5NS90YWJsZXJhbmdlOjdkY2IwOTBjMTZkYjQ5ZTE4ZjRkMzA3ZmIyMzUwMjk1XzEtMi0xLTEtMA_c79ea086-fcab-487c-875a-39efb3af3739">21</ix:nonFraction>%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Real estate</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="ide70b2550e994bd7a35573e8a5344c56_I20211231" decimals="2" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3ZGNiMDkwYzE2ZGI0OWUxOGY0ZDMwN2ZiMjM1MDI5NS90YWJsZXJhbmdlOjdkY2IwOTBjMTZkYjQ5ZTE4ZjRkMzA3ZmIyMzUwMjk1XzItMS0xLTEtMA_96eaf224-7550-4e78-867c-43280dd1e8d6">7</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i65dbc8ce44044ed1b7d80db8c8257910_I20201231" decimals="2" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3ZGNiMDkwYzE2ZGI0OWUxOGY0ZDMwN2ZiMjM1MDI5NS90YWJsZXJhbmdlOjdkY2IwOTBjMTZkYjQ5ZTE4ZjRkMzA3ZmIyMzUwMjk1XzItMi0xLTEtMA_607e1a8c-5d30-4a45-af05-80a42f9a6098">3</ix:nonFraction></span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fixed income</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i58c3c7d780424b9da71ace8d21d512dc_I20211231" decimals="2" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3ZGNiMDkwYzE2ZGI0OWUxOGY0ZDMwN2ZiMjM1MDI5NS90YWJsZXJhbmdlOjdkY2IwOTBjMTZkYjQ5ZTE4ZjRkMzA3ZmIyMzUwMjk1XzMtMS0xLTEtMA_946b04d9-0fa0-43cb-b240-48e0e3f3f367">74</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="ib93debc0328948289e94e31e7d379492_I20201231" decimals="2" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3ZGNiMDkwYzE2ZGI0OWUxOGY0ZDMwN2ZiMjM1MDI5NS90YWJsZXJhbmdlOjdkY2IwOTBjMTZkYjQ5ZTE4ZjRkMzA3ZmIyMzUwMjk1XzMtMi0xLTEtMA_6799b520-af94-43d1-b752-360f7626f15c">69</ix:nonFraction></span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cash</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="icb60bf6643064738971e6fdb7cab9cde_I20211231" decimals="2" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3ZGNiMDkwYzE2ZGI0OWUxOGY0ZDMwN2ZiMjM1MDI5NS90YWJsZXJhbmdlOjdkY2IwOTBjMTZkYjQ5ZTE4ZjRkMzA3ZmIyMzUwMjk1XzQtMS0xLTEtMA_9b098092-d5bb-41f4-8e5b-7d9e1dc2fa0a">1</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i09bfd93df82e4e6880f4ad993ce25e9d_I20201231" decimals="2" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3ZGNiMDkwYzE2ZGI0OWUxOGY0ZDMwN2ZiMjM1MDI5NS90YWJsZXJhbmdlOjdkY2IwOTBjMTZkYjQ5ZTE4ZjRkMzA3ZmIyMzUwMjk1XzQtMi0xLTEtMA_ce4fbbbe-eb7f-474b-9090-dc060b0fc0fe">3</ix:nonFraction></span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Hedge funds</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="icc2be313bcaa4fd19a9a21f0b92f98bc_I20211231" decimals="2" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3ZGNiMDkwYzE2ZGI0OWUxOGY0ZDMwN2ZiMjM1MDI5NS90YWJsZXJhbmdlOjdkY2IwOTBjMTZkYjQ5ZTE4ZjRkMzA3ZmIyMzUwMjk1XzUtMS0xLTEtMA_ea8185af-efce-4c36-8b9c-904792e32b85">3</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i693e38841a1e4987a9eed784c6f38120_I20201231" decimals="2" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3ZGNiMDkwYzE2ZGI0OWUxOGY0ZDMwN2ZiMjM1MDI5NS90YWJsZXJhbmdlOjdkY2IwOTBjMTZkYjQ5ZTE4ZjRkMzA3ZmIyMzUwMjk1XzUtMi0xLTEtMA_5bae7f68-8e92-46b3-b8df-eca231b44717">4</ix:nonFraction></span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="INF" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3ZGNiMDkwYzE2ZGI0OWUxOGY0ZDMwN2ZiMjM1MDI5NS90YWJsZXJhbmdlOjdkY2IwOTBjMTZkYjQ5ZTE4ZjRkMzA3ZmIyMzUwMjk1XzYtMS0xLTEtMA_d3352907-8a63-4e2b-ac20-35db47c829e1">100</ix:nonFraction>%</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="INF" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3ZGNiMDkwYzE2ZGI0OWUxOGY0ZDMwN2ZiMjM1MDI5NS90YWJsZXJhbmdlOjdkY2IwOTBjMTZkYjQ5ZTE4ZjRkMzA3ZmIyMzUwMjk1XzYtMi0xLTEtMA_a3569e47-187e-465f-8001-2c93b9d2f69a">100</ix:nonFraction>%</span></td></tr></table></div></ix:nonNumeric><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Supplemental Non-qualified Defined Benefit Plans</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have various supplemental retirement plans for key executives of the Company. The plans are non-qualified defined benefit and defined contribution plans (Supplemental Plans). The Supplemental Plans are subject to various vesting schedules and are funded on a cash basis as benefits are paid.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">BHC sponsors a retiree healthcare plan (Healthcare Plan) for employees who meet certain age and service requirements at retirement. Healthcare Plan benefits are subject to premiums, deductibles, co-payment provisions and other limitations. A portion of the Healthcare Plan for participating business units are pre-funded via VEBA trusts. Pre-65 retirees as well as a grandfathered group of post-65 retirees receive their retiree medical benefits through the Black Hills self-insured retiree medical plans.  Healthcare coverage for post-65 Medicare-eligible retirees is provided through an individual market healthcare exchange.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We fund the Healthcare Plan on a cash basis as benefits are paid. The Healthcare Plan provides for partial pre-funding via VEBA trusts. Assets related to this pre-funding are held in trust and are for the benefit of the union and non-union employees located in the states of Arkansas, Iowa and Kansas. We do not pre-fund the Healthcare Plan for those employees outside Arkansas, Iowa and Kansas.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Plan Contributions</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Contributions to the Pension Plan are cash contributions made directly to the Master Trust. Healthcare and Supplemental Plan contributions are made in the form of benefit payments. 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style="width:69.617%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.541%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.542%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Defined Contribution Plan</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Company retirement contributions</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib68eb400ca7d474286d3b51ed4233d0d_D20210101-20211231" decimals="-3" name="us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpkNDcyMzFkYjJlOWM0NTg0ODY3YTlmZTQ4YWUwNjNmNi90YWJsZXJhbmdlOmQ0NzIzMWRiMmU5YzQ1ODQ4NjdhOWZlNDhhZTA2M2Y2XzItMS0xLTEtMA_36988cf8-9aa5-4ac1-8456-b7b3c712d0c2">11,332</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8945426e75084ed6aaa0841970e91582_D20200101-20201231" decimals="-3" name="us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpkNDcyMzFkYjJlOWM0NTg0ODY3YTlmZTQ4YWUwNjNmNi90YWJsZXJhbmdlOmQ0NzIzMWRiMmU5YzQ1ODQ4NjdhOWZlNDhhZTA2M2Y2XzItMi0xLTEtMA_38c3f99d-3337-4c96-af80-f23d4d9d6ea9">10,455</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Company matching contributions</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i42e948d585284a89a9c400677da2a122_D20210101-20211231" decimals="-3" name="us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpkNDcyMzFkYjJlOWM0NTg0ODY3YTlmZTQ4YWUwNjNmNi90YWJsZXJhbmdlOmQ0NzIzMWRiMmU5YzQ1ODQ4NjdhOWZlNDhhZTA2M2Y2XzMtMS0xLTEtMA_1fd9acac-b3c4-48b7-b104-d10344a1a35e">15,938</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i71dcff82df39453ca52834f4cc272400_D20200101-20201231" decimals="-3" name="us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpkNDcyMzFkYjJlOWM0NTg0ODY3YTlmZTQ4YWUwNjNmNi90YWJsZXJhbmdlOmQ0NzIzMWRiMmU5YzQ1ODQ4NjdhOWZlNDhhZTA2M2Y2XzMtMi0xLTEtMA_27b8ed0b-854e-4910-a352-ce8f6901d0b6">15,240</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></ix:continuation></div></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">99</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="ibc3b1a9b3226482f83404832a6ff12b6" continuedAt="ie4be7201865f4571b0012c549ecb845f"><div style="text-align:center"><ix:continuation id="ic392bcc37b1c4e98988f8a0354c6018e"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:69.617%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.541%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.542%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Defined Benefit Plans</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit Pension Plan</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8dd9218d0e0e4cc1a60f329003a4547b_D20210101-20211231" decimals="-3" name="us-gaap:PensionContributions" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTphNTI0ZGEyN2E5ZmE0ODM0OTVkN2YyOTlhYTkwOGU2NC90YWJsZXJhbmdlOmE1MjRkYTI3YTlmYTQ4MzQ5NWQ3ZjI5OWFhOTA4ZTY0XzItMS0xLTEtMA_f4369ea6-1d1d-4cca-af97-218025392f78">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i30f14f30b4184f1390982163fc67b12b_D20200101-20201231" decimals="-3" name="us-gaap:PensionContributions" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTphNTI0ZGEyN2E5ZmE0ODM0OTVkN2YyOTlhYTkwOGU2NC90YWJsZXJhbmdlOmE1MjRkYTI3YTlmYTQ4MzQ5NWQ3ZjI5OWFhOTA4ZTY0XzItMi0xLTEtMA_a14aa63d-38d1-4722-bd82-778c07d501ef">12,700</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-Pension Defined Benefit Postretirement Healthcare Plan</span></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib4362804baa24755bee8ae5b92fd648c_D20210101-20211231" decimals="-3" name="us-gaap:OtherPostretirementBenefitsPayments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTphNTI0ZGEyN2E5ZmE0ODM0OTVkN2YyOTlhYTkwOGU2NC90YWJsZXJhbmdlOmE1MjRkYTI3YTlmYTQ4MzQ5NWQ3ZjI5OWFhOTA4ZTY0XzMtMS0xLTEtMA_93579f12-894e-425d-818d-7c90578f176d">6,432</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i425869ece5b34f25ad3f83ce99174ecd_D20200101-20201231" decimals="-3" name="us-gaap:OtherPostretirementBenefitsPayments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTphNTI0ZGEyN2E5ZmE0ODM0OTVkN2YyOTlhYTkwOGU2NC90YWJsZXJhbmdlOmE1MjRkYTI3YTlmYTQ4MzQ5NWQ3ZjI5OWFhOTA4ZTY0XzMtMi0xLTEtMA_d7af1def-1df0-4dfb-a8e6-db290ea4d579">6,058</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental Non-Qualified Defined Benefit Plans</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iffc6ff0fa4c24f5d9d5669af19a0e094_D20210101-20211231" decimals="-3" name="us-gaap:OtherPostretirementBenefitsPayments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTphNTI0ZGEyN2E5ZmE0ODM0OTVkN2YyOTlhYTkwOGU2NC90YWJsZXJhbmdlOmE1MjRkYTI3YTlmYTQ4MzQ5NWQ3ZjI5OWFhOTA4ZTY0XzQtMS0xLTEtMA_111ea125-149f-41c2-a640-45b3d5a0ccd1">2,576</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibbd6c26459964d7d8299823c5c284ad7_D20200101-20201231" decimals="-3" name="us-gaap:OtherPostretirementBenefitsPayments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTphNTI0ZGEyN2E5ZmE0ODM0OTVkN2YyOTlhYTkwOGU2NC90YWJsZXJhbmdlOmE1MjRkYTI3YTlmYTQ4MzQ5NWQ3ZjI5OWFhOTA4ZTY0XzQtMi0xLTEtMA_731e76b0-93f4-4f80-96ef-ef2ea69493a0">2,674</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></ix:continuation></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">While we do not have required contributions, we expect to make $<ix:nonFraction unitRef="usd" contextRef="ie94b664dedfd4bd0b47217e5de945146_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEwOTk1MTE2NDg0OTM_07ab3be5-f052-437d-a922-8f82d5d892bc">3.9</ix:nonFraction> million in contributions to our Pension Plan in 2022.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Fair Value Measurements</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i8dd9218d0e0e4cc1a60f329003a4547b_D20210101-20211231" name="us-gaap:ScheduleOfAllocationOfPlanAssetsTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyNzA1_765a683d-9485-4b56-8abb-925a0fa9fd16" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following tables set forth, by level within the fair value hierarchy, the assets that were accounted for at fair value on a recurring basis (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:33.064%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.017%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.826%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.017%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.826%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.017%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.826%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.017%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.826%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.017%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.826%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.021%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Pension Plan</span></td><td colspan="33" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2021</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 2</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 3</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments Measured at Fair Value</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">NAV </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Collective Trust - Cash and Cash Equivalents</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i07a46843b3a94c119bb7b3b4c97fb404_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTowNGUyMzcxYTQ3Y2Y0MmNkODM0MDcxMmNiNmU5ZWEyYi90YWJsZXJhbmdlOjA0ZTIzNzFhNDdjZjQyY2Q4MzQwNzEyY2I2ZTllYTJiXzMtMS0xLTEtMA_4733218a-4f71-4e77-a8c8-2d2512c5ed30">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ife40e6f06c4d45c19bff26ae65668852_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTowNGUyMzcxYTQ3Y2Y0MmNkODM0MDcxMmNiNmU5ZWEyYi90YWJsZXJhbmdlOjA0ZTIzNzFhNDdjZjQyY2Q4MzQwNzEyY2I2ZTllYTJiXzMtMy0xLTEtMA_0efe6214-11bf-43a7-8780-2420aa035dfe">6,009</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib1076805e3fb45b8a01b710070385783_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTowNGUyMzcxYTQ3Y2Y0MmNkODM0MDcxMmNiNmU5ZWEyYi90YWJsZXJhbmdlOjA0ZTIzNzFhNDdjZjQyY2Q4MzQwNzEyY2I2ZTllYTJiXzMtNS0xLTEtMA_5ff25e02-2038-4bf7-9293-826733b416d3">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib4dd54a4fe624f769f3ad41a454d80ae_I20211231" decimals="-3" name="bkh:DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueinvestments" format="ixt:num-dot-decimal" scale="3" 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0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total investments measured at fair value</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i271cd331a49346a5b0a70adb21483cd3_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTowNGUyMzcxYTQ3Y2Y0MmNkODM0MDcxMmNiNmU5ZWEyYi90YWJsZXJhbmdlOjA0ZTIzNzFhNDdjZjQyY2Q4MzQwNzEyY2I2ZTllYTJiXzgtMS0xLTEtMA_a278d870-1033-4645-a563-c0ee79cfd1ee">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i61e79394ee364b109ad19ad0983dd128_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTowNGUyMzcxYTQ3Y2Y0MmNkODM0MDcxMmNiNmU5ZWEyYi90YWJsZXJhbmdlOjA0ZTIzNzFhNDdjZjQyY2Q4MzQwNzEyY2I2ZTllYTJiXzgtMy0xLTEtMA_8b28c524-2a33-432e-b285-30b9044a5956">415,490</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia58585bbbc8a4fb1ae2e5f5a6ec1f71a_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTowNGUyMzcxYTQ3Y2Y0MmNkODM0MDcxMmNiNmU5ZWEyYi90YWJsZXJhbmdlOjA0ZTIzNzFhNDdjZjQyY2Q4MzQwNzEyY2I2ZTllYTJiXzgtNS0xLTEtMA_53c92655-3b99-4591-af77-8b7562a31fb2">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i07ef3f503a36469c8c0756d24036bbe2_I20211231" decimals="-3" name="bkh:DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueinvestments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTowNGUyMzcxYTQ3Y2Y0MmNkODM0MDcxMmNiNmU5ZWEyYi90YWJsZXJhbmdlOjA0ZTIzNzFhNDdjZjQyY2Q4MzQwNzEyY2I2ZTllYTJiXzgtNy0xLTEtMA_bcb3693b-4301-46df-86b9-c8ce6648a3bc">415,490</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i07ef3f503a36469c8c0756d24036bbe2_I20211231" decimals="-3" name="bkh:DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTowNGUyMzcxYTQ3Y2Y0MmNkODM0MDcxMmNiNmU5ZWEyYi90YWJsZXJhbmdlOjA0ZTIzNzFhNDdjZjQyY2Q4MzQwNzEyY2I2ZTllYTJiXzgtOS0xLTEtMA_a920fee9-d80c-4240-a4a0-e27422416500">42,897</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i07ef3f503a36469c8c0756d24036bbe2_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTowNGUyMzcxYTQ3Y2Y0MmNkODM0MDcxMmNiNmU5ZWEyYi90YWJsZXJhbmdlOjA0ZTIzNzFhNDdjZjQyY2Q4MzQwNzEyY2I2ZTllYTJiXzgtMTEtMS0xLTA_78335597-66f8-48c3-92e4-8ff706db3461">458,387</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:33.064%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.017%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.826%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.017%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.826%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.017%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.826%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.017%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.826%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.017%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.826%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.021%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Pension Plan</span></td><td colspan="33" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 2</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 3</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments Measured at Fair Value</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">NAV </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Collective Trust - Cash and Cash Equivalents</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8f5bbd3f7fa7403896d25db24913088e_I20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5ZTc5MDQyNzlmNGI0MTE1YTM3MWRkMTJiYWEwYTUxZC90YWJsZXJhbmdlOjllNzkwNDI3OWY0YjQxMTVhMzcxZGQxMmJhYTBhNTFkXzMtMS0xLTEtMA_820332c6-6143-46a2-a13d-62de0901f25e">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i37f4ff0366714bafb76c56f5be4087f4_I20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5ZTc5MDQyNzlmNGI0MTE1YTM3MWRkMTJiYWEwYTUxZC90YWJsZXJhbmdlOjllNzkwNDI3OWY0YjQxMTVhMzcxZGQxMmJhYTBhNTFkXzMtMy0xLTEtMA_db2333c0-f615-4ff0-a820-47a6354a6dc7">16,810</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i06eb2e47972946fb8cc77a1fb64f2cda_I20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5ZTc5MDQyNzlmNGI0MTE1YTM3MWRkMTJiYWEwYTUxZC90YWJsZXJhbmdlOjllNzkwNDI3OWY0YjQxMTVhMzcxZGQxMmJhYTBhNTFkXzMtNS0xLTEtMA_a0e17a39-091b-4426-bce8-50533646da45">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt 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0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Certain investments that are measured at fair value using NAV per share (or its equivalent) for practical expedient have not been classified in the fair value hierarchy. 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style="width:1.0%"></td><td style="width:9.021%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td><td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2021</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid 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colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i68913cf62eb1492a83cccfa4eac9f4ae_I20211231" decimals="-3" name="bkh:DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueinvestments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjMWQ4NDI3NWEwMDk0N2I0YTczZTBkNDY1OWNmNzM1YS90YWJsZXJhbmdlOmMxZDg0Mjc1YTAwOTQ3YjRhNzNlMGQ0NjU5Y2Y3MzVhXzItNy0xLTEtMA_9e222867-dc9b-4a59-8cbf-df0b2142266f">7,972</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i68913cf62eb1492a83cccfa4eac9f4ae_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjMWQ4NDI3NWEwMDk0N2I0YTczZTBkNDY1OWNmNzM1YS90YWJsZXJhbmdlOmMxZDg0Mjc1YTAwOTQ3YjRhNzNlMGQ0NjU5Y2Y3MzVhXzItMTEtMS0xLTA_bedc9449-048e-45bd-8eca-06721c52bf69">7,972</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total investments measured at fair value</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie75b11e7e2754174aa3419fcf024ad63_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjMWQ4NDI3NWEwMDk0N2I0YTczZTBkNDY1OWNmNzM1YS90YWJsZXJhbmdlOmMxZDg0Mjc1YTAwOTQ3YjRhNzNlMGQ0NjU5Y2Y3MzVhXzctMS0xLTEtMA_ce032e88-5e0c-4de8-ab12-0d1652f9190f">7,972</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if5921a64fc364384a3dc23b9942c2d6a_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjMWQ4NDI3NWEwMDk0N2I0YTczZTBkNDY1OWNmNzM1YS90YWJsZXJhbmdlOmMxZDg0Mjc1YTAwOTQ3YjRhNzNlMGQ0NjU5Y2Y3MzVhXzctMy0xLTEtMA_84ef92fa-b008-4963-9b3e-230bb0912a50">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie5350946f35847228b91cbe3571b61fc_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjMWQ4NDI3NWEwMDk0N2I0YTczZTBkNDY1OWNmNzM1YS90YWJsZXJhbmdlOmMxZDg0Mjc1YTAwOTQ3YjRhNzNlMGQ0NjU5Y2Y3MzVhXzctNS0xLTEtMA_1a7f81d7-e144-4d36-b689-ccc608e4e01a">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i61fa05eadc624fe088a9cf12b5298463_I20211231" decimals="-3" name="bkh:DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueinvestments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjMWQ4NDI3NWEwMDk0N2I0YTczZTBkNDY1OWNmNzM1YS90YWJsZXJhbmdlOmMxZDg0Mjc1YTAwOTQ3YjRhNzNlMGQ0NjU5Y2Y3MzVhXzctNy0xLTEtMA_c68d506c-b466-4de0-b4fe-5f666c0895c5">7,972</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i61fa05eadc624fe088a9cf12b5298463_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjMWQ4NDI3NWEwMDk0N2I0YTczZTBkNDY1OWNmNzM1YS90YWJsZXJhbmdlOmMxZDg0Mjc1YTAwOTQ3YjRhNzNlMGQ0NjU5Y2Y3MzVhXzctMTEtMS0xLTA_b22a0c77-e703-4218-991e-4d7dfb0b638e">7,972</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></ix:nonNumeric></div></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">100</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="ie4be7201865f4571b0012c549ecb845f" continuedAt="ie85ba23206b94064b233e98422e64412"><div style="text-align:center"><ix:continuation id="i6f6328bdcb27485db1a29c83e2146895"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:44.207%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.017%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.826%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.017%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.826%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.017%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.826%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.017%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.826%"></td><td style="width:0.1%"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:9.021%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td><td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 2</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 3</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments Measured at Fair Value</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Cash and Cash Equivalents</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie6600f0f151a49f2bac922eb51ed7786_I20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3MDIzZGU3MzNmNzU0MTg4YThiZTNhZjZhNzhiMGNlNy90YWJsZXJhbmdlOjcwMjNkZTczM2Y3NTQxODhhOGJlM2FmNmE3OGIwY2U3XzItMS0xLTEtMA_c2489b90-53c3-4755-aafe-bacf2ec574a2">8,165</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i94bbcdfaf85d417c918c6aaf35eb20f9_I20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3MDIzZGU3MzNmNzU0MTg4YThiZTNhZjZhNzhiMGNlNy90YWJsZXJhbmdlOjcwMjNkZTczM2Y3NTQxODhhOGJlM2FmNmE3OGIwY2U3XzItMy0xLTEtMA_be312760-a935-4944-a38d-46e2b4483f9c">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie59d4d86c9b84229b964118296497628_I20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3MDIzZGU3MzNmNzU0MTg4YThiZTNhZjZhNzhiMGNlNy90YWJsZXJhbmdlOjcwMjNkZTczM2Y3NTQxODhhOGJlM2FmNmE3OGIwY2U3XzItNS0xLTEtMA_52ef31b1-5375-4ed8-9207-9a67e30bfc53">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i226b3e7d73ac44ad9c799916b96e5051_I20201231" decimals="-3" name="bkh:DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueinvestments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3MDIzZGU3MzNmNzU0MTg4YThiZTNhZjZhNzhiMGNlNy90YWJsZXJhbmdlOjcwMjNkZTczM2Y3NTQxODhhOGJlM2FmNmE3OGIwY2U3XzItNy0xLTEtMA_9b01abec-7539-4734-a805-f6dbf4f2de76">8,165</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i226b3e7d73ac44ad9c799916b96e5051_I20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3MDIzZGU3MzNmNzU0MTg4YThiZTNhZjZhNzhiMGNlNy90YWJsZXJhbmdlOjcwMjNkZTczM2Y3NTQxODhhOGJlM2FmNmE3OGIwY2U3XzItMTEtMS0xLTA_c302b54c-3606-4f33-8e2d-fb42a55f4076">8,165</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total investments measured at fair value</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6f60f01f4316412fabfa3f104040fa0e_I20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3MDIzZGU3MzNmNzU0MTg4YThiZTNhZjZhNzhiMGNlNy90YWJsZXJhbmdlOjcwMjNkZTczM2Y3NTQxODhhOGJlM2FmNmE3OGIwY2U3XzctMS0xLTEtMA_bfa14a1c-8f43-4518-95c3-65d49c1a122f">8,165</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i499e2c52fea54c9d9f546d09e9b2c34f_I20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3MDIzZGU3MzNmNzU0MTg4YThiZTNhZjZhNzhiMGNlNy90YWJsZXJhbmdlOjcwMjNkZTczM2Y3NTQxODhhOGJlM2FmNmE3OGIwY2U3XzctMy0xLTEtMA_cbe6ca9d-7f4f-409c-aa3a-2407a610549b">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1b9ecf1529e646c0b5373bc61f2f2d81_I20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3MDIzZGU3MzNmNzU0MTg4YThiZTNhZjZhNzhiMGNlNy90YWJsZXJhbmdlOjcwMjNkZTczM2Y3NTQxODhhOGJlM2FmNmE3OGIwY2U3XzctNS0xLTEtMA_b709ac9a-7c7b-4e5c-8267-363a97543ce2">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="icfdcef3ab51d41918b9fa13aa4a6f956_I20201231" decimals="-3" name="bkh:DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueinvestments" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3MDIzZGU3MzNmNzU0MTg4YThiZTNhZjZhNzhiMGNlNy90YWJsZXJhbmdlOjcwMjNkZTczM2Y3NTQxODhhOGJlM2FmNmE3OGIwY2U3XzctNy0xLTEtMA_4dae3738-fcd7-438f-aa05-cb6d5de305b0">8,165</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="icfdcef3ab51d41918b9fa13aa4a6f956_I20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3MDIzZGU3MzNmNzU0MTg4YThiZTNhZjZhNzhiMGNlNy90YWJsZXJhbmdlOjcwMjNkZTczM2Y3NTQxODhhOGJlM2FmNmE3OGIwY2U3XzctMTEtMS0xLTA_5d68d4ff-1aa7-4388-befe-22e8816bc45f">8,165</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></ix:continuation></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Additional information about assets of the benefit plans, including methods and assumptions used to estimate the fair value of these assets, is as follows:</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Pension Plan</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Common Collective Trust Funds: </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">These funds are valued based upon the redemption price of units held by the Pension Plan, which is based on the current fair value of the common collective trust funds&#8217; underlying assets. Unit values are determined by the financial institution sponsoring such funds by dividing the fund&#8217;s net assets at fair value by its units outstanding at the valuation dates. The Pension Plan&#8217;s investments in common collective trust funds, with the exception of shares of the common collective trust-real estate are categorized as Level 2.</span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Common Collective Trust-Real Estate Funds</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">: These funds are valued based on various factors of the underlying real estate properties, including market rent, market rent growth, occupancy levels, etc. As part of the trustee&#8217;s valuation process, properties are externally appraised generally on an annual basis. The appraisals are conducted by reputable independent appraisal firms and signed by appraisers that are members of the Appraisal Institute, with professional designation of Member, Appraisal Institute. All external appraisals are performed in accordance with the Uniform Standards of Professional Appraisal Practices.  We receive monthly statements from the trustee, along with the annual schedule of investments and rely on these reports for pricing the units of the fund. Some of the funds without participant withdrawal limitations are categorized as Level 2.</span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following investments are measured at NAV and are not classified in the fair value hierarchy, in accordance with accounting guidance:</span></div><div style="margin-bottom:10pt;padding-left:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Common Collective Trust-Real Estate Fund</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">: This is the same fund as above except that certain of the funds&#8217; assets contain participant withdrawal policies with restrictions on redemption and are therefore not included in the fair value hierarchy.</span></div><div style="margin-bottom:10pt;padding-left:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Hedge Funds: </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">These funds represent investments in other investment funds that seek a return utilizing a number of diverse investment strategies. The strategies, when combined, aim to reduce volatility and risk while attempting to deliver positive returns under all market conditions. Amounts are reported on a one-month lag. The fair value of hedge funds is determined using net asset value per share based on the fair value of the hedge fund&#8217;s underlying investments. <ix:nonFraction unitRef="number" contextRef="iad0bbb2c8bcf4ccb8b0453d879fa1ecf_I20211231" decimals="2" name="bkh:PercentageOfMonthlyRedemption" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyNzUz_30a4ba7e-604b-4e58-b1b0-f6302328ad45">10</ix:nonFraction>% of the shares may be redeemed at the end of each month with a <ix:nonNumeric contextRef="ibef982d5d8984374b406349c0aca2cc4_D20210101-20211231" name="us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvestmentRedemptionNoticePeriod1" format="ixt-sec:durday" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5Xzc4NDM_d5570262-d09f-4c0d-804e-524d08137647">15</ix:nonNumeric>-day notice and full redemptions are available at the end of each quarter with <ix:nonNumeric contextRef="if39edc28c4804ab99e4e16b7787a5892_D20210101-20211231" name="us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvestmentRedemptionNoticePeriod1" format="ixt-sec:durday" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5Xzc5MjQ_a87376a8-c386-4af0-8dca-096726f9a195">60</ix:nonNumeric>-day notice and is limited to a percentage of the total net assets value of the fund. The net asset values are based on the fair value of each fund&#8217;s underlying investments. There are no unfunded commitments related to these hedge funds.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Non-pension Defined Benefit Postretirement Healthcare Plan</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Cash and Cash Equivalents:</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> This represents an investment in Northern Institutional Government Assets Portfolio, which is a government money market fund. As shares held reflect quoted prices in an active market, they are categorized as Level 1.</span></div></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">101</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="ie85ba23206b94064b233e98422e64412" continuedAt="if14011bc1c904d9ca08bf13f6c4af13a"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Other Plan Information</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfChangesInProjectedBenefitObligationsTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyNjY2_a8fcc489-1eaf-4efa-9951-c40b5fbf281d" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following tables provide a reconciliation of the employee benefit plan obligations and fair value of employee benefit plan assets, amounts recognized in the Consolidated Balance Sheets, accumulated benefit obligation, and reconciliation of components of the net periodic expense and elements of AOCI (in thousands):</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Employee Benefit Plan Obligations</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:38.081%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.256%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.256%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.402%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.701%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit Pension Plan</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental Non-qualified Defined <br/>Benefit Plans</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Change in benefit obligation:</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i30f14f30b4184f1390982163fc67b12b_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanServiceCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzUtMi0xLTEtMA_395b102f-e97d-414f-a48b-3b79fcc195d1">5,411</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iffc6ff0fa4c24f5d9d5669af19a0e094_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanServiceCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzUtNC0xLTEtMA_b7ec857c-a992-46a5-9828-6c13e2ef73e8">3,149</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibbd6c26459964d7d8299823c5c284ad7_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanServiceCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzUtNS0xLTEtMA_8dde545c-1fa9-4575-8731-ab50ae649ef4">1,579</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib4362804baa24755bee8ae5b92fd648c_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanServiceCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzUtNy0xLTEtMA_650a5d19-f5ab-4b70-9738-5a014f9bca53">2,237</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i425869ece5b34f25ad3f83ce99174ecd_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanServiceCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzUtOC0xLTEtMA_dd61166e-0f47-4e76-bd33-56e3f66def8c">2,056</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest cost</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8dd9218d0e0e4cc1a60f329003a4547b_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanInterestCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzYtMS0xLTEtMA_6323ff0b-42f4-48fe-85ad-1f01a6873083">9,313</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i30f14f30b4184f1390982163fc67b12b_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanInterestCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzYtMi0xLTEtMA_b1909add-7c67-4331-a0c9-3483cb34bba7">13,426</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iffc6ff0fa4c24f5d9d5669af19a0e094_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanInterestCost" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzYtNC0xLTEtMA_bb258656-04ab-47dc-a80c-b7321c5dc044">706</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibbd6c26459964d7d8299823c5c284ad7_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanInterestCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzYtNS0xLTEtMA_52919f9b-aa4c-4218-aa71-5db495f8476e">1,099</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib4362804baa24755bee8ae5b92fd648c_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanInterestCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzYtNy0xLTEtMA_8738bda8-aad2-414f-9f18-263e3c8889d7">1,058</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i425869ece5b34f25ad3f83ce99174ecd_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanInterestCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzYtOC0xLTEtMA_e943d752-dd1e-41d3-bbf4-f311b27276d9">1,649</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span 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0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i30f14f30b4184f1390982163fc67b12b_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanActuarialGainLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzctMi0xLTEtMA_08fa7afc-ca7c-4de0-9c9e-2b05612ccc15">47,064</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="iffc6ff0fa4c24f5d9d5669af19a0e094_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanActuarialGainLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzctNC0xLTEtMA_a3f39816-60e8-4057-838d-c681a2066076">1,073</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibbd6c26459964d7d8299823c5c284ad7_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanActuarialGainLoss" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzctNS0xLTEtMA_886a438a-98bf-4f29-90bd-1cfd346b1278">962</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i425869ece5b34f25ad3f83ce99174ecd_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanActuarialGainLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzctOC0xLTEtMA_62611856-8fb6-4c04-a368-f5a1f2469103">5,804</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amendments</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i8dd9218d0e0e4cc1a60f329003a4547b_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanPlanAmendments" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzctMS0xLTEtODgzOTQ_78a56bbf-6c22-43e2-9747-5c9d865f3bcf">561</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i30f14f30b4184f1390982163fc67b12b_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanPlanAmendments" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzctMi0xLTEtOTY5MTc_e900295f-6a8c-455a-8cf2-faec617ea2c9">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iffc6ff0fa4c24f5d9d5669af19a0e094_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanPlanAmendments" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzctNC0xLTEtOTY5MTc_ebc2ec11-3552-4c1e-bd50-da5e480ed158">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibbd6c26459964d7d8299823c5c284ad7_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanPlanAmendments" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzctNS0xLTEtOTY5MTc_ada80308-9884-4c13-9cf7-cc8b2ae974a3">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib4362804baa24755bee8ae5b92fd648c_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanPlanAmendments" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzctNy0xLTEtOTY5MTc_576081d3-c5a6-4813-9b11-f933237d3b43">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i425869ece5b34f25ad3f83ce99174ecd_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanPlanAmendments" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzctOC0xLTEtOTY5MTc_08ee14fe-7c57-4ead-9bd6-f630e498b80c">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Benefits paid </span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i8dd9218d0e0e4cc1a60f329003a4547b_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanBenefitObligationBenefitsPaid" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzktMS0xLTEtMA_0c038e9b-4b57-4b5e-970d-3e407bd42f6f">35,499</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i30f14f30b4184f1390982163fc67b12b_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanBenefitObligationBenefitsPaid" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzktMi0xLTEtMA_07cd8a48-5ef6-4df6-bba2-60e77b7b12c2">37,269</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="iffc6ff0fa4c24f5d9d5669af19a0e094_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanBenefitObligationBenefitsPaid" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzktNC0xLTEtMA_d9f33e5a-4c43-4c33-9e08-143f65b251d0">2,576</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ibbd6c26459964d7d8299823c5c284ad7_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanBenefitObligationBenefitsPaid" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzktNS0xLTEtMA_ba944317-8db8-4408-816d-c72da04e88ff">2,674</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib4362804baa24755bee8ae5b92fd648c_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanBenefitObligationBenefitsPaid" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzktNy0xLTEtMA_86fe3748-8727-4aa7-95e2-dc5959a67a6e">6,432</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Plan participants&#8217; contributions</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8dd9218d0e0e4cc1a60f329003a4547b_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzExLTEtMS0xLTA_fdbfc72d-3b22-4124-bccc-26010b781963">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i30f14f30b4184f1390982163fc67b12b_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzExLTItMS0xLTA_bcf4330b-cc2e-4116-b5fc-df74f90c229a">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iffc6ff0fa4c24f5d9d5669af19a0e094_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzExLTQtMS0xLTA_7a2573ef-8566-4fc6-822a-7e230a986060">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibbd6c26459964d7d8299823c5c284ad7_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzExLTUtMS0xLTA_455f5ef6-d06c-4d43-abdc-472fc1891650">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib4362804baa24755bee8ae5b92fd648c_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzExLTctMS0xLTA_32b40488-763f-445c-8e09-f72c351f7f4b">1,548</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i425869ece5b34f25ad3f83ce99174ecd_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzExLTgtMS0xLTA_183469f8-ee8b-494f-8fb5-a9d5efe0abc9">1,510</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Projected benefit obligation at end of year</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie94b664dedfd4bd0b47217e5de945146_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanBenefitObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzEyLTEtMS0xLTA_d3ea1395-9017-4735-9822-57818f1d638d">478,262</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7c0cd075dc5e4aa8bac4cf14f2b3694a_I20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanBenefitObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzEyLTItMS0xLTA_11dc41ce-bc04-4ebf-9e8a-1872ff8e1fcf">514,008</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i242302088080403ea2b4b91d5bdf8c1e_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanBenefitObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzEyLTQtMS0xLTA_8c38a374-a9ba-41d3-a9b6-24ff925f5d8e">55,260</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iccfc89a4b5b74a2ca9a90cc9b52939bc_I20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanBenefitObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzEyLTUtMS0xLTA_23b0c09d-066e-4021-86df-630159d0523b">55,054</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if2f4ac9c2edf431086d73406d0cfaebc_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanBenefitObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZToxMDg5M2E1YzM0YjU0NDQzOTE5MWM2ZjAwZDkzMjEzNC90YWJsZXJhbmdlOjEwODkzYTVjMzRiNTQ0NDM5MTkxYzZmMDBkOTMyMTM0XzEyLTctMS0xLTA_1dd5c354-f06b-467e-9740-df2f616e9a8e">63,484</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;For the year ended December 31, 2020, Service Cost for the Supplemental Non-qualified Defined Benefit Plans includes a $<ix:nonFraction unitRef="usd" contextRef="ib7e169d1e6794904afa4e62ceec1001a_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanServiceCost" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5Xzg5OTg_c99fd9aa-13f0-41d7-a0fe-8b6af1726276">1.4</ix:nonFraction>&#160;million correction of a prior year overstatement of Projected benefit obligation.</span></div></ix:nonNumeric><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Fair Value Employee Benefit Plan Assets</span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfChangesInFairValueOfPlanAssetsTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyNjc0_2ba9d6ae-c7ba-40e6-ba74-4b3e10a71889" escape="true"><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:38.081%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.256%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.256%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.402%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.701%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental Non-qualified Defined <br/>Benefit Plans</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Change in fair value of plan assets:</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i51a14e5826f9426f97ab0f24294092dd_I20191231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzMtMi0xLTEtMA_8fe6ad53-434d-4c69-8cb7-e3dd4d8b4d2a">434,284</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td 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style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iffc6ff0fa4c24f5d9d5669af19a0e094_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanActualReturnOnPlanAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzUtNC0xLTEtMA_7537471d-3195-4947-923e-9ebc8d6b3346">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibbd6c26459964d7d8299823c5c284ad7_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanActualReturnOnPlanAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzUtNS0xLTEtMA_477603e5-09bc-4b95-b8da-acc4ad1814d8">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib4362804baa24755bee8ae5b92fd648c_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanActualReturnOnPlanAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzUtNy0xLTEtMA_9117ab56-86ac-4845-9dd1-df1d0b74b59e">35</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i425869ece5b34f25ad3f83ce99174ecd_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanActualReturnOnPlanAssets" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzUtOC0xLTEtMA_15286956-f6f2-4191-9d90-2c7c75aa0532">33</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Employer contributions</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8dd9218d0e0e4cc1a60f329003a4547b_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanContributionsByEmployer" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzYtMS0xLTEtMA_4d1295d9-ef01-4bbc-977d-3bfdf5e06cfe">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibbd6c26459964d7d8299823c5c284ad7_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanContributionsByEmployer" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzYtNS0xLTEtMA_a28161f9-b1ef-46e7-aaa0-fca73c3fe354">2,674</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib4362804baa24755bee8ae5b92fd648c_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanContributionsByEmployer" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzYtNy0xLTEtMA_28f7c4d8-75e7-4f68-a779-23d52b210476">4,726</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i425869ece5b34f25ad3f83ce99174ecd_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanContributionsByEmployer" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzYtOC0xLTEtMA_a15abd6e-657d-4298-bd05-aa80f46b2623">4,374</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Retiree contributions</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8dd9218d0e0e4cc1a60f329003a4547b_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzctMS0xLTEtMA_bbb754b1-dc30-48a5-bdf3-25ccf4f58981">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i30f14f30b4184f1390982163fc67b12b_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzctMi0xLTEtMA_a5a8ffcd-1bbe-4430-9bf4-d012246b7f5c">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iffc6ff0fa4c24f5d9d5669af19a0e094_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzctNC0xLTEtMA_4bede0ce-2d6d-49ba-988d-a3fc2c9af0db">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibbd6c26459964d7d8299823c5c284ad7_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzctNS0xLTEtMA_18f4d087-1079-457b-8955-f1e22122d93c">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib4362804baa24755bee8ae5b92fd648c_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzctNy0xLTEtMA_8903eb15-ea9d-4daf-b5a3-28cbbbdcfb23">1,548</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i425869ece5b34f25ad3f83ce99174ecd_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzctOC0xLTEtMA_2d7f5bbb-7fe4-4d0c-b552-a1e70383865f">1,511</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Benefits paid</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i8dd9218d0e0e4cc1a60f329003a4547b_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanPlanAssetsBenefitsPaid" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzgtMS0xLTEtMA_8e7e37f4-b38d-455e-93c5-560ee85be52e">35,499</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i30f14f30b4184f1390982163fc67b12b_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanPlanAssetsBenefitsPaid" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzgtMi0xLTEtMA_7559cb74-6242-45c6-856d-8c70c724259f">37,269</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="iffc6ff0fa4c24f5d9d5669af19a0e094_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanPlanAssetsBenefitsPaid" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzgtNC0xLTEtMA_3d96bb59-e23f-48b7-828d-90b81d91e948">2,576</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ibbd6c26459964d7d8299823c5c284ad7_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanPlanAssetsBenefitsPaid" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzgtNS0xLTEtMA_9abeee28-d7d5-420f-98d2-3f20073bf30f">2,674</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ib4362804baa24755bee8ae5b92fd648c_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanPlanAssetsBenefitsPaid" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzgtNy0xLTEtMA_9a9750b4-7255-49a1-8075-07ef503a56f0">6,432</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Ending fair value of plan assets</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie94b664dedfd4bd0b47217e5de945146_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzEwLTEtMS0xLTA_1bfeda75-bc50-43bb-9803-c20bb795a143">458,387</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7c0cd075dc5e4aa8bac4cf14f2b3694a_I20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzEwLTItMS0xLTA_7d0ca3ad-e56e-468e-88ee-00d4a7fd33a7">473,721</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i242302088080403ea2b4b91d5bdf8c1e_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo5NGE0NzNjY2NjNGU0MTJkOWRiNmE4ZjBjNGMxOTVkOC90YWJsZXJhbmdlOjk0YTQ3M2NjY2M0ZTQxMmQ5ZGI2YThmMGM0YzE5NWQ4XzEwLTQtMS0xLTA_168ab329-d17a-4812-befe-cf4206a8459e">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span 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style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if2f4ac9c2edf431086d73406d0cfaebc_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" format="ixt:num-dot-decimal" scale="3" 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Assets of VEBA trusts.</span></div></ix:nonNumeric><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In 2012, we froze our Pension Plan and closed it to new participants. Since then, we have implemented various de-risking strategies including lump sum buyouts, the purchase of annuities and the reduction of return-seeking assets over time to a more liability-hedged portfolio. As a result, capital markets volatility driven by the COVID-19 pandemic did not materially affect our unfunded status.</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfAmountsRecognizedInBalanceSheetTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyNzk0_142e4361-557c-457d-819b-64d6557eff2b" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Amounts Recognized in the Consolidated Balance Sheets</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:37.788%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.402%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.402%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.402%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.702%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental<br/>Non-qualified Defined Benefit Plans</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7c0cd075dc5e4aa8bac4cf14f2b3694a_I20201231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzItMi0xLTEtMA_f1cf31a8-70c9-4199-ab22-b7b6214d80cd">86,677</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iccfc89a4b5b74a2ca9a90cc9b52939bc_I20201231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzItNS0xLTEtMA_6bedab61-e7a6-4e55-8f44-201ad4128e88">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if2f4ac9c2edf431086d73406d0cfaebc_I20211231" decimals="-3" name="us-gaap:RegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzItNy0xLTEtMA_dd48ce79-9ef5-45de-b28b-3f21420b1316">11,660</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzItOC0xLTEtMA_f1d79199-5b0b-47b0-8d50-70fe1c02b6bd">16,102</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current liabilities</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7c0cd075dc5e4aa8bac4cf14f2b3694a_I20201231" decimals="-3" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzMtMi0xLTEtMA_4a59f825-38d6-4d87-a564-a1d435a154cc">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i242302088080403ea2b4b91d5bdf8c1e_I20211231" decimals="-3" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzMtNC0xLTEtMA_03e45618-a28d-43ea-a199-8eff762a441c">2,156</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iccfc89a4b5b74a2ca9a90cc9b52939bc_I20201231" decimals="-3" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzMtNS0xLTEtMA_20800d50-c60a-4232-b43a-c1e992224429">1,927</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if2f4ac9c2edf431086d73406d0cfaebc_I20211231" decimals="-3" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzMtNy0xLTEtMA_b2de368b-06ac-490d-81a7-8ffb355f691b">4,584</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iaaa320d13b00406099afa6ff0405d6d4_I20201231" decimals="-3" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzMtOC0xLTEtMA_1dcfbc40-b2f7-4f4f-910c-26aebf3017dc">4,931</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-current liabilities</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie94b664dedfd4bd0b47217e5de945146_I20211231" decimals="-3" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzQtMS0xLTEtMA_e1fc5f29-047e-4763-89f3-2cdaf8c2ec48">19,872</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7c0cd075dc5e4aa8bac4cf14f2b3694a_I20201231" decimals="-3" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzQtMi0xLTEtMA_ee0d60dc-ff91-49ba-a721-70d0f7ea7e5c">40,287</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i242302088080403ea2b4b91d5bdf8c1e_I20211231" decimals="-3" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzQtNC0xLTEtMA_bd972675-42fb-478f-8e20-6e6673ae09ef">53,104</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iccfc89a4b5b74a2ca9a90cc9b52939bc_I20201231" decimals="-3" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzQtNS0xLTEtMA_aac5dc0c-85a1-451c-9308-77e0b72dde47">53,127</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if2f4ac9c2edf431086d73406d0cfaebc_I20211231" decimals="-3" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzQtNy0xLTEtMA_f508d329-3321-4b1e-9038-435aaf6e5d24">50,949</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iaaa320d13b00406099afa6ff0405d6d4_I20201231" decimals="-3" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzQtOC0xLTEtMA_2a977126-0aec-4147-9460-b477d0bddcb4">57,142</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory liabilities</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie94b664dedfd4bd0b47217e5de945146_I20211231" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzUtMS0xLTEtMA_647e7041-b36b-405c-8d6d-9e21967454d9">3,830</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7c0cd075dc5e4aa8bac4cf14f2b3694a_I20201231" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzUtMi0xLTEtMA_84e32167-d4bb-4385-a80d-8af16800dd48">3,607</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i242302088080403ea2b4b91d5bdf8c1e_I20211231" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzUtNC0xLTEtMA_43416215-9605-4427-88a5-65a40335f4a9">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iccfc89a4b5b74a2ca9a90cc9b52939bc_I20201231" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzUtNS0xLTEtMA_cf99e55b-9070-416e-92cf-91a3bff4da39">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if2f4ac9c2edf431086d73406d0cfaebc_I20211231" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzUtNy0xLTEtMA_2770edbf-1a53-437d-b829-3bf96c369f24">2,447</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iaaa320d13b00406099afa6ff0405d6d4_I20201231" decimals="-3" name="us-gaap:RegulatoryLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpiN2M0YTM2Zjg5NDA0NmQwYjJiYjEwZWVmNDgxMWY3ZC90YWJsZXJhbmdlOmI3YzRhMzZmODk0MDQ2ZDBiMmJiMTBlZWY0ODExZjdkXzUtOC0xLTEtMA_1a674492-68b7-43d9-9f00-d832c4726fff">2,140</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">102</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="if14011bc1c904d9ca08bf13f6c4af13a" continuedAt="i8246100d8d364f27a1182bf2c1b1cf4f"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfAccumulatedAndProjectedBenefitObligationsTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyNzM3_5db31000-9cd5-4636-a69f-d1851fd98652" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Accumulated Benefit Obligation</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:37.788%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.402%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.402%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.572%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.402%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.702%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental<br/>Non-qualified Defined Benefit Plans</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accumulated Benefit Obligation</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie94b664dedfd4bd0b47217e5de945146_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjYWYyYjYyODAyMTQ0MDhhOGEzYTQ5OWE4YzFkMDg4MS90YWJsZXJhbmdlOmNhZjJiNjI4MDIxNDQwOGE4YTNhNDk5YThjMWQwODgxXzItMS0xLTEtMA_3a180bd4-1eca-42e1-97d3-4060933aa46a">466,505</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7c0cd075dc5e4aa8bac4cf14f2b3694a_I20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjYWYyYjYyODAyMTQ0MDhhOGEzYTQ5OWE4YzFkMDg4MS90YWJsZXJhbmdlOmNhZjJiNjI4MDIxNDQwOGE4YTNhNDk5YThjMWQwODgxXzItMi0xLTEtMA_d83758fc-fd88-43a8-87e5-2b172a7d67a5">498,815</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i242302088080403ea2b4b91d5bdf8c1e_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation" 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iaaa320d13b00406099afa6ff0405d6d4_I20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjYWYyYjYyODAyMTQ0MDhhOGEzYTQ5OWE4YzFkMDg4MS90YWJsZXJhbmdlOmNhZjJiNjI4MDIxNDQwOGE4YTNhNDk5YThjMWQwODgxXzItOC0xLTEtMA_33430358-1c2c-4e04-ba8b-0709cb35e34c">70,238</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Components of Net Periodic Expense</span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfNetBenefitCostsTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyNzkx_d855b7d0-6790-4be2-8387-e377f5c2f55c" escape="true"><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:27.701%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.648%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.648%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.648%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.648%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.648%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.648%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.648%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.648%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.655%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Supplemental<br/>Non-qualified Defined Benefit Plans</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">For the years ended December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i30f14f30b4184f1390982163fc67b12b_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanServiceCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzItMi0xLTEtMA_5ba3c400-1251-4a3b-a0db-2dc1f627849b">5,411</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibbd6c26459964d7d8299823c5c284ad7_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanServiceCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzItNi0xLTEtMA_db188cee-8f35-400b-99d4-274697b82bbe">1,579</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzItNy0xLTEtMA_b029c24d-d232-4af8-a3ff-99e1b8791b31">4,995</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib4362804baa24755bee8ae5b92fd648c_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanServiceCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzItOS0xLTEtMA_d38e580d-48b0-4fd8-9620-5043fa54da6a">2,237</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i425869ece5b34f25ad3f83ce99174ecd_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanServiceCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzItMTAtMS0xLTA_569010b8-07e6-40c4-83f1-1f23a6ab51ae">2,056</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iec5079a11daa4821bb13a16638d1bdcc_D20190101-20191231" decimals="-3" name="us-gaap:DefinedBenefitPlanServiceCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzItMTEtMS0xLTA_ba529864-e08b-4a98-8760-74aa00e343a9">1,815</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest cost</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8dd9218d0e0e4cc1a60f329003a4547b_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanInterestCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzMtMS0xLTEtMA_a1ab0130-6eee-4b08-b77f-223c9c5e3e53">9,313</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i30f14f30b4184f1390982163fc67b12b_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanInterestCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzMtMi0xLTEtMA_875c5e27-4a0b-40d6-a59e-164339327e03">13,426</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8b4b4b71db23487a926a9ec1ca297685_D20190101-20191231" decimals="-3" name="us-gaap:DefinedBenefitPlanInterestCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzMtMy0xLTEtMA_a283c3c2-1041-4601-840c-122aef941e3c">17,374</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iffc6ff0fa4c24f5d9d5669af19a0e094_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanInterestCost" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzMtNS0xLTEtMA_164d5115-505d-4e36-838a-416a93d4a98f">706</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibbd6c26459964d7d8299823c5c284ad7_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanInterestCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzMtNi0xLTEtMA_fb91f348-9d76-4ad9-8300-1c695e5e075d">1,099</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0089de80659b40fab7c4a04b1354f044_D20190101-20191231" decimals="-3" name="us-gaap:DefinedBenefitPlanInterestCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzMtNy0xLTEtMA_bd277d56-5548-44f1-ab30-91d82fe43680">1,295</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib4362804baa24755bee8ae5b92fd648c_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanInterestCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzMtOS0xLTEtMA_e480cde4-07ac-40d6-b9cc-21d21adb52ef">1,058</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i425869ece5b34f25ad3f83ce99174ecd_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanInterestCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzMtMTAtMS0xLTA_7e4615e8-a6c6-4d0a-ae1c-fbd33d7fcbd5">1,649</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iec5079a11daa4821bb13a16638d1bdcc_D20190101-20191231" decimals="-3" name="us-gaap:DefinedBenefitPlanInterestCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzMtMTEtMS0xLTA_325565cb-5a1b-4978-84bb-ed7d82903143">2,247</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Expected return on assets</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzUtOS0xLTEtMA_8ec85986-d7f1-4d7e-a96f-927063427e2d">434</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i425869ece5b34f25ad3f83ce99174ecd_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzUtMTAtMS0xLTA_3f53ae49-0e47-4804-aafb-f175b2da52fe">546</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="iec5079a11daa4821bb13a16638d1bdcc_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzUtMTEtMS0xLTA_e431aa4a-bbd9-432e-aa43-3e42053c28df">398</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Recognized net actuarial loss (gain)</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8dd9218d0e0e4cc1a60f329003a4547b_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzYtMS0xLTEtMA_6ecb0422-2818-44ca-96f6-6abd8be55e74">7,315</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i30f14f30b4184f1390982163fc67b12b_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzYtMi0xLTEtMA_bc1c770b-df12-4404-9b42-cf8a9099805b">8,372</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8b4b4b71db23487a926a9ec1ca297685_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzYtMy0xLTEtMA_e628d828-5766-4fae-b043-d746c748d7e5">3,763</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iffc6ff0fa4c24f5d9d5669af19a0e094_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzYtNS0xLTEtMA_eb0a6a7d-c185-4283-80c9-1d12fe43b69a">1,754</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ibbd6c26459964d7d8299823c5c284ad7_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzYtNi0xLTEtMA_c76a0c14-75ef-4156-b89c-4d4b6a00ecb2">1,702</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0089de80659b40fab7c4a04b1354f044_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzYtNy0xLTEtMA_6c6b4303-6269-4e4a-8da9-058f48775ebb">535</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib4362804baa24755bee8ae5b92fd648c_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzYtOS0xLTEtMA_e4f2a986-8118-441b-ab70-42987a0a5298">466</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i425869ece5b34f25ad3f83ce99174ecd_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzYtMTAtMS0xLTA_6ae23979-4c2b-4384-9667-47071bac508b">20</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iec5079a11daa4821bb13a16638d1bdcc_D20190101-20191231" decimals="-3" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzYtMTEtMS0xLTA_a2542362-8576-4f2f-bd2f-325e257f554e">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net periodic expense</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8dd9218d0e0e4cc1a60f329003a4547b_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" scale="3" 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i30f14f30b4184f1390982163fc67b12b_D20200101-20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzgtMi0xLTEtMA_a87553e9-5d1f-4e6b-83d0-5e9dcbf55300">4,618</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8b4b4b71db23487a926a9ec1ca297685_D20190101-20191231" decimals="-3" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" format="ixt:num-dot-decimal" scale="3" 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style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib4362804baa24755bee8ae5b92fd648c_D20210101-20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzgtOS0xLTEtMA_0b13e2b1-6e3b-4852-aa0e-996896c9aafd">3,191</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iec5079a11daa4821bb13a16638d1bdcc_D20190101-20191231" decimals="-3" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4ZmQwY2ZkN2Y0NTc0NTc1OWE4NzhkZDMzYjU3YThiMy90YWJsZXJhbmdlOjhmZDBjZmQ3ZjQ1NzQ1NzU5YTg3OGRkMzNiNTdhOGIzXzgtMTEtMS0xLTA_86a929c7-bd3f-408c-8ec0-b41609208e2b">3,434</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;For the year ended December 31, 2020, Service Cost for the 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costs were recorded in Other expense on the Consolidated Statements of Income.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">AOCI Amounts (After-Tax)</span></div><div style="text-align:center"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfNetPeriodicBenefitCostNotYetRecognizedTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyNzc0_ff9683f5-6b6c-4e71-90d0-7fa73f4df67a" escape="true"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:37.699%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.416%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.416%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.532%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.588%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.588%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.532%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.416%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.713%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental<br/>Non-qualified Defined Benefit Plans</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net (gain) loss</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie94b664dedfd4bd0b47217e5de945146_I20211231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3YTExYzg5MGY2MzY0M2YyOGE1ODA2MzgyYjA5MjYwYi90YWJsZXJhbmdlOjdhMTFjODkwZjYzNjQzZjI4YTU4MDYzODJiMDkyNjBiXzItMS0xLTEtMA_bfd78af2-781c-4cca-a556-e855bae50ec2">4,398</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7c0cd075dc5e4aa8bac4cf14f2b3694a_I20201231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3YTExYzg5MGY2MzY0M2YyOGE1ODA2MzgyYjA5MjYwYi90YWJsZXJhbmdlOjdhMTFjODkwZjYzNjQzZjI4YTU4MDYzODJiMDkyNjBiXzItMi0xLTEtMA_6e480818-17da-4a10-8ada-aafcc047f95d">5,511</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i242302088080403ea2b4b91d5bdf8c1e_I20211231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3YTExYzg5MGY2MzY0M2YyOGE1ODA2MzgyYjA5MjYwYi90YWJsZXJhbmdlOjdhMTFjODkwZjYzNjQzZjI4YTU4MDYzODJiMDkyNjBiXzItNC0xLTEtMA_955054b4-67f4-4efc-8973-f2301e42fe40">7,159</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iccfc89a4b5b74a2ca9a90cc9b52939bc_I20201231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3YTExYzg5MGY2MzY0M2YyOGE1ODA2MzgyYjA5MjYwYi90YWJsZXJhbmdlOjdhMTFjODkwZjYzNjQzZjI4YTU4MDYzODJiMDkyNjBiXzItNS0xLTEtMA_74fc02bb-7014-43aa-9aa7-6e64feae41fc">9,323</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="if2f4ac9c2edf431086d73406d0cfaebc_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3YTExYzg5MGY2MzY0M2YyOGE1ODA2MzgyYjA5MjYwYi90YWJsZXJhbmdlOjdhMTFjODkwZjYzNjQzZjI4YTU4MDYzODJiMDkyNjBiXzItNy0xLTEtMA_61ab417d-6045-441c-a9fc-34b7601db064">308</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iaaa320d13b00406099afa6ff0405d6d4_I20201231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3YTExYzg5MGY2MzY0M2YyOGE1ODA2MzgyYjA5MjYwYi90YWJsZXJhbmdlOjdhMTFjODkwZjYzNjQzZjI4YTU4MDYzODJiMDkyNjBiXzItOC0xLTEtMA_474acd4f-2268-4c2a-ad68-106d0e7c50da">100</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Prior service cost (gain)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ie94b664dedfd4bd0b47217e5de945146_I20211231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3YTExYzg5MGY2MzY0M2YyOGE1ODA2MzgyYjA5MjYwYi90YWJsZXJhbmdlOjdhMTFjODkwZjYzNjQzZjI4YTU4MDYzODJiMDkyNjBiXzMtMS0xLTEtMA_e75cc2c8-8619-4b29-87df-9de1ea8b65b9">46</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7c0cd075dc5e4aa8bac4cf14f2b3694a_I20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3YTExYzg5MGY2MzY0M2YyOGE1ODA2MzgyYjA5MjYwYi90YWJsZXJhbmdlOjdhMTFjODkwZjYzNjQzZjI4YTU4MDYzODJiMDkyNjBiXzMtMi0xLTEtMA_deb912be-b57e-4c70-b31d-223b5ff37cb0">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i242302088080403ea2b4b91d5bdf8c1e_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3YTExYzg5MGY2MzY0M2YyOGE1ODA2MzgyYjA5MjYwYi90YWJsZXJhbmdlOjdhMTFjODkwZjYzNjQzZjI4YTU4MDYzODJiMDkyNjBiXzMtNC0xLTEtMA_e2de9abf-1925-4665-9f1e-cf3592eaafeb">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iccfc89a4b5b74a2ca9a90cc9b52939bc_I20201231" decimals="-3" name="us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3YTExYzg5MGY2MzY0M2YyOGE1ODA2MzgyYjA5MjYwYi90YWJsZXJhbmdlOjdhMTFjODkwZjYzNjQzZjI4YTU4MDYzODJiMDkyNjBiXzMtNS0xLTEtMA_510b4591-00a8-45df-8dc4-e028c99aa5fe">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="if2f4ac9c2edf431086d73406d0cfaebc_I20211231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3YTExYzg5MGY2MzY0M2YyOGE1ODA2MzgyYjA5MjYwYi90YWJsZXJhbmdlOjdhMTFjODkwZjYzNjQzZjI4YTU4MDYzODJiMDkyNjBiXzMtNy0xLTEtMA_93912630-a176-4edb-975a-ab7483fc6bb2">27</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="iaaa320d13b00406099afa6ff0405d6d4_I20201231" decimals="-3" sign="-" name="us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3YTExYzg5MGY2MzY0M2YyOGE1ODA2MzgyYjA5MjYwYi90YWJsZXJhbmdlOjdhMTFjODkwZjYzNjQzZjI4YTU4MDYzODJiMDkyNjBiXzMtOC0xLTEtMA_7cfa2c37-79ef-4350-b9a6-cb03c1127eec">144</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total amounts included in AOCI, after-tax not yet recognized as components of net periodic expense</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie94b664dedfd4bd0b47217e5de945146_I20211231" decimals="-3" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3YTExYzg5MGY2MzY0M2YyOGE1ODA2MzgyYjA5MjYwYi90YWJsZXJhbmdlOjdhMTFjODkwZjYzNjQzZjI4YTU4MDYzODJiMDkyNjBiXzQtMS0xLTEtMA_0830a831-3998-4660-83c8-ab8b6ee9066c">4,352</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span 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#000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i242302088080403ea2b4b91d5bdf8c1e_I20211231" decimals="-3" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" format="ixt:num-dot-decimal" scale="3" 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iccfc89a4b5b74a2ca9a90cc9b52939bc_I20201231" decimals="-3" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3YTExYzg5MGY2MzY0M2YyOGE1ODA2MzgyYjA5MjYwYi90YWJsZXJhbmdlOjdhMTFjODkwZjYzNjQzZjI4YTU4MDYzODJiMDkyNjBiXzQtNS0xLTEtMA_7b6a2d50-34c8-49b5-800a-e948b21c79b8">9,323</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="if2f4ac9c2edf431086d73406d0cfaebc_I20211231" decimals="-3" sign="-" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3YTExYzg5MGY2MzY0M2YyOGE1ODA2MzgyYjA5MjYwYi90YWJsZXJhbmdlOjdhMTFjODkwZjYzNjQzZjI4YTU4MDYzODJiMDkyNjBiXzQtNy0xLTEtMA_4d3721c5-e219-4cd9-82aa-352a1c9daf46">335</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="iaaa320d13b00406099afa6ff0405d6d4_I20201231" decimals="-3" sign="-" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3YTExYzg5MGY2MzY0M2YyOGE1ODA2MzgyYjA5MjYwYi90YWJsZXJhbmdlOjdhMTFjODkwZjYzNjQzZjI4YTU4MDYzODJiMDkyNjBiXzQtOC0xLTEtMA_9b081d1a-d71c-41b8-9f76-d7825e9a0cae">44</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></ix:nonNumeric></div><div><span><br/></span></div><ix:nonNumeric 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental<br/>Non-qualified Defined Benefit Plans</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-average assumptions used to determine benefit 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="iccfc89a4b5b74a2ca9a90cc9b52939bc_I20201231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3NDZlYzJlNTcyODg0NTZhODFkYzU2ZWNmYTY1NmNhMi90YWJsZXJhbmdlOjc0NmVjMmU1NzI4ODQ1NmE4MWRjNTZlY2ZhNjU2Y2EyXzItNi0xLTEtMA_b3378407-5d8f-46b3-957d-3e22c3bea6ae">2.41</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="ia527a9bbd87544c1956095265c6eac52_I20191231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3NDZlYzJlNTcyODg0NTZhODFkYzU2ZWNmYTY1NmNhMi90YWJsZXJhbmdlOjc0NmVjMmU1NzI4ODQ1NmE4MWRjNTZlY2ZhNjU2Y2EyXzItNy0xLTEtMA_d60d1630-5eec-4a01-a1b4-efd874da0d6e">3.14</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="if2f4ac9c2edf431086d73406d0cfaebc_I20211231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3NDZlYzJlNTcyODg0NTZhODFkYzU2ZWNmYTY1NmNhMi90YWJsZXJhbmdlOjc0NmVjMmU1NzI4ODQ1NmE4MWRjNTZlY2ZhNjU2Y2EyXzItOS0xLTEtMA_a0540473-f934-4d0f-a688-e22dc988fc21">2.79</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="iaaa320d13b00406099afa6ff0405d6d4_I20201231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3NDZlYzJlNTcyODg0NTZhODFkYzU2ZWNmYTY1NmNhMi90YWJsZXJhbmdlOjc0NmVjMmU1NzI4ODQ1NmE4MWRjNTZlY2ZhNjU2Y2EyXzItMTAtMS0xLTA_c9e0c190-e77a-4b71-97d1-1302939d47f4">2.41</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i945d24d10af34a00b8590ff8bb3e2744_I20191231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3NDZlYzJlNTcyODg0NTZhODFkYzU2ZWNmYTY1NmNhMi90YWJsZXJhbmdlOjc0NmVjMmU1NzI4ODQ1NmE4MWRjNTZlY2ZhNjU2Y2EyXzItMTEtMS0xLTA_b82a5d86-48e0-448a-8d6a-59ab2f1931bf">3.15</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Rate of increase in compensation levels</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="ie94b664dedfd4bd0b47217e5de945146_I20211231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3NDZlYzJlNTcyODg0NTZhODFkYzU2ZWNmYTY1NmNhMi90YWJsZXJhbmdlOjc0NmVjMmU1NzI4ODQ1NmE4MWRjNTZlY2ZhNjU2Y2EyXzMtMS0xLTEtMA_f8f99be8-f8e8-4aca-a053-0280b69c57cf">3.08</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i7c0cd075dc5e4aa8bac4cf14f2b3694a_I20201231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3NDZlYzJlNTcyODg0NTZhODFkYzU2ZWNmYTY1NmNhMi90YWJsZXJhbmdlOjc0NmVjMmU1NzI4ODQ1NmE4MWRjNTZlY2ZhNjU2Y2EyXzMtMi0xLTEtMA_11ec079d-9522-4c84-9b84-af5dc5404c30">3.34</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i51a14e5826f9426f97ab0f24294092dd_I20191231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3NDZlYzJlNTcyODg0NTZhODFkYzU2ZWNmYTY1NmNhMi90YWJsZXJhbmdlOjc0NmVjMmU1NzI4ODQ1NmE4MWRjNTZlY2ZhNjU2Y2EyXzMtMy0xLTEtMA_c5ba844d-e0bf-4da9-a808-99c0316b1188">3.49</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i242302088080403ea2b4b91d5bdf8c1e_I20211231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3NDZlYzJlNTcyODg0NTZhODFkYzU2ZWNmYTY1NmNhMi90YWJsZXJhbmdlOjc0NmVjMmU1NzI4ODQ1NmE4MWRjNTZlY2ZhNjU2Y2EyXzMtNS0xLTEtMA_e3182847-fa7d-404b-b942-e938a62feb9f">5.00</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="iccfc89a4b5b74a2ca9a90cc9b52939bc_I20201231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3NDZlYzJlNTcyODg0NTZhODFkYzU2ZWNmYTY1NmNhMi90YWJsZXJhbmdlOjc0NmVjMmU1NzI4ODQ1NmE4MWRjNTZlY2ZhNjU2Y2EyXzMtNi0xLTEtMA_e20b18a7-17cc-4bb0-b7be-589b3d45c8f9">5.00</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="ia527a9bbd87544c1956095265c6eac52_I20191231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo3NDZlYzJlNTcyODg0NTZhODFkYzU2ZWNmYTY1NmNhMi90YWJsZXJhbmdlOjc0NmVjMmU1NzI4ODQ1NmE4MWRjNTZlY2ZhNjU2Y2EyXzMtNy0xLTEtMA_3159ac1b-3199-427f-9449-390a8c84942f">5.00</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td></tr></table></div></ix:nonNumeric></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">103</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="i8246100d8d364f27a1182bf2c1b1cf4f"><ix:continuation id="i4aee49b737fc4e95a0a96b4a7fd7c8e3"><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:27.701%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.648%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.648%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.648%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.648%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.648%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.648%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.648%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.648%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.655%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental<br/>Non-qualified Defined Benefit Plans</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-average assumptions used to determine net periodic benefit cost for plan year:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Discount rate </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="ia9e773d868cf4b38b3c1753fd4992713_D20210101-20211231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzItMS0xLTEtMA_b1fcd17f-dc43-4581-8292-2baec1020bde">2.56</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i77eed5cdddd748d08aeff6b2fc9839da_D20200101-20201231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzItMi0xLTEtMA_33e7de43-261b-497a-8c03-7811b9c76fcf">3.27</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="ia9bb9e89f5f84ec2ae01a8f7e0d9bfd8_D20190101-20191231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzItMy0xLTEtMA_e74bc065-4f2d-434c-b416-a72a55e3fe15">4.40</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i77bb6927a7124541b15421df81f45c30_D20210101-20211231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzItNS0xLTEtMA_94e51466-9365-486f-be2d-342f1049f41c">2.41</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="icbb20e3e641b41dbbbb80fb5014d3a68_D20200101-20201231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzItNi0xLTEtMA_2bbe321e-205d-4c43-8e1b-cac55ee7bfcc">3.14</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i81f705248eba462d981fd8dde8c5a61a_D20190101-20191231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzItNy0xLTEtMA_59c53c90-24f0-47d1-a707-5aa73b659cf2">4.34</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i5551e1a20d934b89a0b378df1554fd74_D20210101-20211231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzItOS0xLTEtMA_2504e00c-382b-4a4f-8140-525e6d5cce5b">2.41</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="iaa7cc18fcc7247e990aa45422d996f1d_D20200101-20201231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzItMTAtMS0xLTA_ceb31267-a71b-47d5-b0e0-7f8f2e7b8fd4">3.15</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i7bac04ec3204443c95f7759df582c8af_D20190101-20191231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzItMTEtMS0xLTA_8cd531d2-31ce-48d6-ac9d-2634a218da78">4.28</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Expected long-term rate of return on assets </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i8dd9218d0e0e4cc1a60f329003a4547b_D20210101-20211231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzQtMS0xLTEtMA_76fa1edb-7850-42ca-9fb4-cd658b8311ab">4.50</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i30f14f30b4184f1390982163fc67b12b_D20200101-20201231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzQtMi0xLTEtMA_a4ba76b4-caac-45a1-8e1d-86698ed4d31d">5.25</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i8b4b4b71db23487a926a9ec1ca297685_D20190101-20191231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzQtMy0xLTEtMA_3da07e33-4ac1-4a2b-be4e-21f1709529bb">6.00</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="ib4362804baa24755bee8ae5b92fd648c_D20210101-20211231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzQtOS0xLTEtMA_9a1f2df0-715c-493f-ba0f-2225b2770a28">1.80</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i425869ece5b34f25ad3f83ce99174ecd_D20200101-20201231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzQtMTAtMS0xLTA_62255345-93e9-496c-9339-7b1d686d8c0b">2.35</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="iec5079a11daa4821bb13a16638d1bdcc_D20190101-20191231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzQtMTEtMS0xLTA_9192b8a5-989f-4dc6-ae28-a52fdade361a">3.00</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Rate of increase in compensation levels</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i8dd9218d0e0e4cc1a60f329003a4547b_D20210101-20211231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzUtMS0xLTEtMA_dd259008-7969-4893-8adb-9f9eff2ef240">3.34</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i30f14f30b4184f1390982163fc67b12b_D20200101-20201231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzUtMi0xLTEtMA_17c13691-38a1-4fe7-b5bc-fd2cd1761219">3.49</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i8b4b4b71db23487a926a9ec1ca297685_D20190101-20191231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzUtMy0xLTEtMA_660384ce-a5ef-45f4-8553-84b83093e04a">3.52</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="iffc6ff0fa4c24f5d9d5669af19a0e094_D20210101-20211231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzUtNS0xLTEtMA_56b324d5-d1f6-45fd-93d4-9de0af40d0de">5.00</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="ibbd6c26459964d7d8299823c5c284ad7_D20200101-20201231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzUtNi0xLTEtMA_632eeac1-4d62-4628-a6e6-7c680e36ec01">5.00</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i0089de80659b40fab7c4a04b1354f044_D20190101-20191231" decimals="4" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo1NTQ4YjgyMzJmZDA0YWJiYjZmNjk3MTYzNTY4YjdhYS90YWJsZXJhbmdlOjU1NDhiODIzMmZkMDRhYmJiNmY2OTcxNjM1NjhiN2FhXzUtNy0xLTEtMA_27001c93-8b65-4815-9813-aef1c7be6117">5.00</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The estimated discount rate for the Defined Benefit Pension Plan is <ix:nonFraction unitRef="number" contextRef="i40a1c5257dab4cdd87bb31a166f9490a_I20211231" decimals="4" name="us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyMjc2_c2b6ee19-5050-4963-94f4-5608bc1954dd">2.88</ix:nonFraction>% for the calculation of the 2022 net periodic pension costs.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;The expected rate of return on plan assets is <ix:nonFraction unitRef="number" contextRef="ie94b664dedfd4bd0b47217e5de945146_I20211231" decimals="4" name="bkh:DefinedBenefitPlanAssumptionsUsedInCalculatingNetPeriodicBenefitCostExpectedRateofReturnOnAssetsForNextFiscalYear" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyMzg3_c28372d2-1ba3-45cc-bdb9-a55c0869a4d9">4.25</ix:nonFraction>% for the calculation of the 2022 net periodic pension cost.</span></div></ix:continuation><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfHealthCareCostTrendRatesTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyNjc2_313a7e2d-b9a5-4f8d-b06e-b733c37120b4" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The healthcare benefit obligation at December 31 was determined as follows:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:55.917%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:20.391%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:20.392%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Trend Rate - Medical</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pre-65 for next year - All Plans</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i68de7ee896fa49efbd2178bfda0e815a_I20211231" decimals="INF" name="us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjM2QwNGE1YTk4YzY0ODFmYjU4YjIxZDYxODU5M2VhNC90YWJsZXJhbmdlOmMzZDA0YTVhOThjNjQ4MWZiNThiMjFkNjE4NTkzZWE0XzItMS0xLTEtMA_1aada88c-7fa7-489f-85c9-d78350f2a32d">6.05</ix:nonFraction>%</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i0437c5ff66e347de9c0f33a1b3c4eec8_I20201231" decimals="INF" name="us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjM2QwNGE1YTk4YzY0ODFmYjU4YjIxZDYxODU5M2VhNC90YWJsZXJhbmdlOmMzZDA0YTVhOThjNjQ4MWZiNThiMjFkNjE4NTkzZWE0XzItMi0xLTEtMA_f120bc79-9477-469e-a2c0-7113cbd08e4c">6.10</ix:nonFraction>%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pre-65 Ultimate trend rate - Black Hills Corp</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i1e86b07c931d439c89821f25442c7c33_I20211231" decimals="INF" name="us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjM2QwNGE1YTk4YzY0ODFmYjU4YjIxZDYxODU5M2VhNC90YWJsZXJhbmdlOmMzZDA0YTVhOThjNjQ4MWZiNThiMjFkNjE4NTkzZWE0XzMtMS0xLTEtMA_235a35d6-7ede-443a-9858-ad9889ee9d57">4.50</ix:nonFraction>%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="iaea8464b832d48a09d214a1debd525d1_I20201231" decimals="INF" name="us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjM2QwNGE1YTk4YzY0ODFmYjU4YjIxZDYxODU5M2VhNC90YWJsZXJhbmdlOmMzZDA0YTVhOThjNjQ4MWZiNThiMjFkNjE4NTkzZWE0XzMtMi0xLTEtMA_f4572292-a20c-4260-9b95-a453bf705033">4.50</ix:nonFraction>%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Trend Year</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ie6cefe6b86914f10ab70d9ed5404fccc_D20210101-20211231" name="us-gaap:DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjM2QwNGE1YTk4YzY0ODFmYjU4YjIxZDYxODU5M2VhNC90YWJsZXJhbmdlOmMzZDA0YTVhOThjNjQ4MWZiNThiMjFkNjE4NTkzZWE0XzQtMS0xLTEtMA_ba5b6a7b-8314-4d24-83f2-408757595933">2030</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="ic25bc7ccb1dd43d2821a6be55894da6b_D20200101-20201231" name="us-gaap:DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjM2QwNGE1YTk4YzY0ODFmYjU4YjIxZDYxODU5M2VhNC90YWJsZXJhbmdlOmMzZDA0YTVhOThjNjQ4MWZiNThiMjFkNjE4NTkzZWE0XzQtMi0xLTEtMA_4f98d58a-8231-46da-bef2-dbcfe574bc0b">2027</ix:nonNumeric></span></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Post-65 for next year - All Plans</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i1d3043990e0d41098ff87d784487a03b_I20211231" decimals="INF" name="us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjM2QwNGE1YTk4YzY0ODFmYjU4YjIxZDYxODU5M2VhNC90YWJsZXJhbmdlOmMzZDA0YTVhOThjNjQ4MWZiNThiMjFkNjE4NTkzZWE0XzYtMS0xLTEtMA_1562851f-04a2-44e0-b79f-b3c7d5bdd9dc">5.10</ix:nonFraction>%</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="ia90663c2a9c24478bbedcb7a7f842905_I20201231" decimals="INF" name="us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjM2QwNGE1YTk4YzY0ODFmYjU4YjIxZDYxODU5M2VhNC90YWJsZXJhbmdlOmMzZDA0YTVhOThjNjQ4MWZiNThiMjFkNjE4NTkzZWE0XzYtMi0xLTEtMA_de7e2104-2484-437f-8032-95c12af0ebe8">4.92</ix:nonFraction>%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Post-65 Ultimate trend rate - Black Hills Corp</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i0addc1e9b3ff4f1c9f833ed9c12cda09_I20211231" decimals="INF" name="us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjM2QwNGE1YTk4YzY0ODFmYjU4YjIxZDYxODU5M2VhNC90YWJsZXJhbmdlOmMzZDA0YTVhOThjNjQ4MWZiNThiMjFkNjE4NTkzZWE0XzctMS0xLTEtMA_ef04bf3b-079b-46f9-93c5-8c364333bbb5">4.50</ix:nonFraction>%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="ied6a0936d8154f12bf7028756434fcb5_I20201231" decimals="INF" name="us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjM2QwNGE1YTk4YzY0ODFmYjU4YjIxZDYxODU5M2VhNC90YWJsZXJhbmdlOmMzZDA0YTVhOThjNjQ4MWZiNThiMjFkNjE4NTkzZWE0XzctMi0xLTEtMA_f0c329e5-2734-44ab-a69f-d661265dd6cc">4.50</ix:nonFraction>%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Trend Year</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i95c1e68a685b405096d1800124865eb2_D20210101-20211231" name="us-gaap:DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjM2QwNGE1YTk4YzY0ODFmYjU4YjIxZDYxODU5M2VhNC90YWJsZXJhbmdlOmMzZDA0YTVhOThjNjQ4MWZiNThiMjFkNjE4NTkzZWE0XzgtMS0xLTEtMA_0fcd8155-a269-4fce-9f53-00be86479a6c">2030</ix:nonNumeric></span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="icaed449939324dc9ae436c35a38da862_D20200101-20201231" name="us-gaap:DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTpjM2QwNGE1YTk4YzY0ODFmYjU4YjIxZDYxODU5M2VhNC90YWJsZXJhbmdlOmMzZDA0YTVhOThjNjQ4MWZiNThiMjFkNjE4NTkzZWE0XzgtMi0xLTEtMA_b1b688c4-8176-4dcb-814a-b79ce56ee704">2029</ix:nonNumeric></span></td></tr></table></div></ix:nonNumeric><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfExpectedBenefitPaymentsTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyNzY0_3ca7822e-49c2-458d-9f45-7d78acc7f94a" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following benefit payments to employees, which reflect future service, are expected to be paid (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:22.876%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.198%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:28.285%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.530%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:24.781%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit Pension Plan</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental Non-qualified Defined Benefit Plans</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie94b664dedfd4bd0b47217e5de945146_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4NTdkYzYwMDExMDQ0ZThmOWY4NDYxZmIzMjRkYTY5Ny90YWJsZXJhbmdlOjg1N2RjNjAwMTEwNDRlOGY5Zjg0NjFmYjMyNGRhNjk3XzEtMS0xLTEtMA_d3ccf7ea-2eb6-425d-a7d6-9be931bbaf9f">26,249</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i242302088080403ea2b4b91d5bdf8c1e_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4NTdkYzYwMDExMDQ0ZThmOWY4NDYxZmIzMjRkYTY5Ny90YWJsZXJhbmdlOjg1N2RjNjAwMTEwNDRlOGY5Zjg0NjFmYjMyNGRhNjk3XzEtMy0xLTEtMA_05bbf541-3e31-4776-bb6d-384335312ff7">2,156</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if2f4ac9c2edf431086d73406d0cfaebc_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4NTdkYzYwMDExMDQ0ZThmOWY4NDYxZmIzMjRkYTY5Ny90YWJsZXJhbmdlOjg1N2RjNjAwMTEwNDRlOGY5Zjg0NjFmYjMyNGRhNjk3XzEtNS0xLTEtMA_ad321fa6-51de-40a4-be17-b6741f5c3ba0">5,806</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie94b664dedfd4bd0b47217e5de945146_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4NTdkYzYwMDExMDQ0ZThmOWY4NDYxZmIzMjRkYTY5Ny90YWJsZXJhbmdlOjg1N2RjNjAwMTEwNDRlOGY5Zjg0NjFmYjMyNGRhNjk3XzItMS0xLTEtMA_553a1337-826d-47dd-a661-8d134ef90fc3">27,133</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i242302088080403ea2b4b91d5bdf8c1e_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4NTdkYzYwMDExMDQ0ZThmOWY4NDYxZmIzMjRkYTY5Ny90YWJsZXJhbmdlOjg1N2RjNjAwMTEwNDRlOGY5Zjg0NjFmYjMyNGRhNjk3XzItMy0xLTEtMA_7be04f05-26ff-4a13-bda6-374119863b09">2,224</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if2f4ac9c2edf431086d73406d0cfaebc_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4NTdkYzYwMDExMDQ0ZThmOWY4NDYxZmIzMjRkYTY5Ny90YWJsZXJhbmdlOjg1N2RjNjAwMTEwNDRlOGY5Zjg0NjFmYjMyNGRhNjk3XzItNS0xLTEtMA_5bf732b2-b486-42ac-8d96-868fcdc4238c">5,334</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2024</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie94b664dedfd4bd0b47217e5de945146_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4NTdkYzYwMDExMDQ0ZThmOWY4NDYxZmIzMjRkYTY5Ny90YWJsZXJhbmdlOjg1N2RjNjAwMTEwNDRlOGY5Zjg0NjFmYjMyNGRhNjk3XzMtMS0xLTEtMA_385f434d-a16c-4978-9fb9-68254667c350">27,683</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4NTdkYzYwMDExMDQ0ZThmOWY4NDYxZmIzMjRkYTY5Ny90YWJsZXJhbmdlOjg1N2RjNjAwMTEwNDRlOGY5Zjg0NjFmYjMyNGRhNjk3XzMtMy0xLTEtMA_55dc8b07-a0b9-4452-85f0-f9ed4a166453">2,410</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if2f4ac9c2edf431086d73406d0cfaebc_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4NTdkYzYwMDExMDQ0ZThmOWY4NDYxZmIzMjRkYTY5Ny90YWJsZXJhbmdlOjg1N2RjNjAwMTEwNDRlOGY5Zjg0NjFmYjMyNGRhNjk3XzMtNS0xLTEtMA_1514ff2b-8306-4a91-b9d0-38b1b1e637d6">5,042</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2025</span></td><td style="background-color:#ffffff;padding:2px 0 2px 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4NTdkYzYwMDExMDQ0ZThmOWY4NDYxZmIzMjRkYTY5Ny90YWJsZXJhbmdlOjg1N2RjNjAwMTEwNDRlOGY5Zjg0NjFmYjMyNGRhNjk3XzQtMy0xLTEtMA_cc9f7959-aa2d-4dc8-9214-75d8622cb9fc">2,757</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4NTdkYzYwMDExMDQ0ZThmOWY4NDYxZmIzMjRkYTY5Ny90YWJsZXJhbmdlOjg1N2RjNjAwMTEwNDRlOGY5Zjg0NjFmYjMyNGRhNjk3XzUtMy0xLTEtMA_e54e8718-c1e2-4cc3-ab93-6ce69a8459bb">2,782</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" 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1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie94b664dedfd4bd0b47217e5de945146_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4NTdkYzYwMDExMDQ0ZThmOWY4NDYxZmIzMjRkYTY5Ny90YWJsZXJhbmdlOjg1N2RjNjAwMTEwNDRlOGY5Zjg0NjFmYjMyNGRhNjk3XzYtMS0xLTEtMA_36596a4e-12eb-4cbd-927d-30211561f68e">144,422</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i242302088080403ea2b4b91d5bdf8c1e_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4NTdkYzYwMDExMDQ0ZThmOWY4NDYxZmIzMjRkYTY5Ny90YWJsZXJhbmdlOjg1N2RjNjAwMTEwNDRlOGY5Zjg0NjFmYjMyNGRhNjk3XzYtMy0xLTEtMA_cd0dae1e-cf90-4503-ba39-4d09eca6fb59">12,553</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if2f4ac9c2edf431086d73406d0cfaebc_I20211231" decimals="-3" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90YWJsZTo4NTdkYzYwMDExMDQ0ZThmOWY4NDYxZmIzMjRkYTY5Ny90YWJsZXJhbmdlOjg1N2RjNjAwMTEwNDRlOGY5Zjg0NjFmYjMyNGRhNjk3XzYtNS0xLTEtMA_37bbecd8-4470-47f7-9ce9-e9381f8bc1d7">21,615</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric></ix:continuation><div><span><br/></span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">104</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_217"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(14)  <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzQxNTY_5d4b7a48-3fda-4a69-b98a-162afabd1dc5" continuedAt="i62d0e83b08614e85a220233beaacef91" escape="true">SHARE-BASED COMPENSATION PLANS</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="i62d0e83b08614e85a220233beaacef91" continuedAt="i8ce0f44baea34f5f90adb065cdbaafe2"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our 2015 Omnibus Incentive Plan allows for the granting of stock, restricted stock, restricted stock units, stock options, performance shares and performance share units. We had <ix:nonFraction unitRef="shares" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="INF" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzE5NA_02b25b47-aec1-4cee-a146-85598039e9f4">416,325</ix:nonFraction> shares available to grant at December 31, 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Compensation expense is determined using the grant date fair value estimated in accordance with the provisions of accounting standards for stock compensation and is recognized over the vesting periods of the individual awards. As of December 31, 2021, total unrecognized compensation expense related to non-vested stock awards was approximately $<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-6" name="us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzU2Mg_ad2942f7-6d1c-4bfa-ba58-22dec3013d68">14</ix:nonFraction> million and is expected to be recognized over a weighted-average period of <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" format="ixt-sec:durwordsen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzYzMg_a2ea4dd8-662f-4143-a05f-01a01a22fdb9">two years</ix:nonNumeric>. <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzQxNTQ_ab2b9f0b-30b4-4bef-a577-1a29605091cd" continuedAt="ia2cdde6bd22547158d3ac9a3077921fc" escape="true">Stock-based compensation expense, which is included in Operations and maintenance on the accompanying Consolidated Statements of Income, was as follows for the years ended December 31 (in thousands):</ix:nonNumeric></span></div><div style="margin-top:5pt;text-align:center"><ix:continuation id="ia2cdde6bd22547158d3ac9a3077921fc"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:56.733%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.955%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.955%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.957%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Stock-based compensation expense</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:ShareBasedCompensation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpiMGUwNTIxY2M3NGI0MTVkODA1Yzg0ZGM4YzViOWNmMy90YWJsZXJhbmdlOmIwZTA1MjFjYzc0YjQxNWQ4MDVjODRkYzhjNWI5Y2YzXzEtMS0xLTEtMA_10ce9416-4258-4197-a633-be84b7fde4c3">9,655</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:ShareBasedCompensation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpiMGUwNTIxY2M3NGI0MTVkODA1Yzg0ZGM4YzViOWNmMy90YWJsZXJhbmdlOmIwZTA1MjFjYzc0YjQxNWQ4MDVjODRkYzhjNWI5Y2YzXzEtMi0xLTEtMA_26ecffce-9284-47de-9ebc-8f6032422a8f">5,373</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:ShareBasedCompensation" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpiMGUwNTIxY2M3NGI0MTVkODA1Yzg0ZGM4YzViOWNmMy90YWJsZXJhbmdlOmIwZTA1MjFjYzc0YjQxNWQ4MDVjODRkYzhjNWI5Y2YzXzEtMy0xLTEtMA_2603cc2b-07bc-4aa9-9bee-760fc8f250e1">12,095</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></ix:continuation></div><div><span><br/></span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Restricted Stock</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The fair value of restricted stock and restricted stock unit awards equals the market price of our stock on the date of grant.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The shares carry a restriction on the ability to sell the shares until the shares vest. The shares substantially vest over <ix:nonNumeric contextRef="icc27742d71d2428e89b6ca272ada8ddc_D20210101-20211231" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" format="ixt-sec:durwordsen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzEzNjI_933102c8-62cf-4483-b224-dc86e827ba54">three years</ix:nonNumeric>, contingent on continued employment. Compensation expense related to the awards is recognized over the vesting period.</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzQxNTI_a2b914a5-c314-4300-a7d4-bb36f6eaaac7" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A summary of the status of the restricted stock and restricted stock units at December 31, 2021, was as follows:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:59.661%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.469%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:20.570%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Restricted Stock</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-Average Grant Date Fair Value</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance at January 1, 2021</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i1dcdf0ca57524303a0e0a5d8a56df7e1_I20201231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo5YzEyNmM4MzJmOTA0MmU0OTE2NDk4ZDA3Y2RiYWRlZC90YWJsZXJhbmdlOjljMTI2YzgzMmY5MDQyZTQ5MTY0OThkMDdjZGJhZGVkXzItMS0xLTEtMA_d4ae1855-7b54-4f7e-974f-9842aa79973c">196</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i1dcdf0ca57524303a0e0a5d8a56df7e1_I20201231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo5YzEyNmM4MzJmOTA0MmU0OTE2NDk4ZDA3Y2RiYWRlZC90YWJsZXJhbmdlOjljMTI2YzgzMmY5MDQyZTQ5MTY0OThkMDdjZGJhZGVkXzItMi0xLTEtMA_44a12108-89ad-40d1-9ecd-50e6ea60eecb">69.05</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Granted</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="icc27742d71d2428e89b6ca272ada8ddc_D20210101-20211231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo5YzEyNmM4MzJmOTA0MmU0OTE2NDk4ZDA3Y2RiYWRlZC90YWJsZXJhbmdlOjljMTI2YzgzMmY5MDQyZTQ5MTY0OThkMDdjZGJhZGVkXzMtMS0xLTEtMA_d0fea715-c817-4f5f-a02c-c8ec9d18b95a">118</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="icc27742d71d2428e89b6ca272ada8ddc_D20210101-20211231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo5YzEyNmM4MzJmOTA0MmU0OTE2NDk4ZDA3Y2RiYWRlZC90YWJsZXJhbmdlOjljMTI2YzgzMmY5MDQyZTQ5MTY0OThkMDdjZGJhZGVkXzMtMi0xLTEtMA_a73dfd85-f5ef-4df4-8f2a-e5be65b99c6b">65.64</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Vested</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="shares" contextRef="icc27742d71d2428e89b6ca272ada8ddc_D20210101-20211231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo5YzEyNmM4MzJmOTA0MmU0OTE2NDk4ZDA3Y2RiYWRlZC90YWJsZXJhbmdlOjljMTI2YzgzMmY5MDQyZTQ5MTY0OThkMDdjZGJhZGVkXzQtMS0xLTEtMA_3db15bee-9fe2-4a1a-acea-81a84e358010">83</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="icc27742d71d2428e89b6ca272ada8ddc_D20210101-20211231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo5YzEyNmM4MzJmOTA0MmU0OTE2NDk4ZDA3Y2RiYWRlZC90YWJsZXJhbmdlOjljMTI2YzgzMmY5MDQyZTQ5MTY0OThkMDdjZGJhZGVkXzQtMi0xLTEtMA_f490381e-1688-48ee-b788-48af28d2c2f3">67.85</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Forfeited</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="shares" contextRef="icc27742d71d2428e89b6ca272ada8ddc_D20210101-20211231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo5YzEyNmM4MzJmOTA0MmU0OTE2NDk4ZDA3Y2RiYWRlZC90YWJsZXJhbmdlOjljMTI2YzgzMmY5MDQyZTQ5MTY0OThkMDdjZGJhZGVkXzUtMS0xLTEtMA_da70b0d7-36be-4eb1-a327-47d48cb56de1">12</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="icc27742d71d2428e89b6ca272ada8ddc_D20210101-20211231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo5YzEyNmM4MzJmOTA0MmU0OTE2NDk4ZDA3Y2RiYWRlZC90YWJsZXJhbmdlOjljMTI2YzgzMmY5MDQyZTQ5MTY0OThkMDdjZGJhZGVkXzUtMi0xLTEtMA_c095f4a9-1a07-4ff2-b809-6cf5ab79ad95">69.59</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance at December 31, 2021</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="icc672de1c33c4742859fa26beb66ea74_I20211231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo5YzEyNmM4MzJmOTA0MmU0OTE2NDk4ZDA3Y2RiYWRlZC90YWJsZXJhbmdlOjljMTI2YzgzMmY5MDQyZTQ5MTY0OThkMDdjZGJhZGVkXzYtMS0xLTEtMA_c8d579ff-6658-47a7-a8e4-4fbdbeaa9f32">219</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="icc672de1c33c4742859fa26beb66ea74_I20211231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo5YzEyNmM4MzJmOTA0MmU0OTE2NDk4ZDA3Y2RiYWRlZC90YWJsZXJhbmdlOjljMTI2YzgzMmY5MDQyZTQ5MTY0OThkMDdjZGJhZGVkXzYtMi0xLTEtMA_05d54331-dca0-424c-91fa-b7bc995d49be">67.64</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The weighted-average grant-date fair value of restricted stock granted and the total fair value of shares vested during the years ended December 31, were as follows:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:59.897%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.401%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.402%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-Average Grant Date Fair Value</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Fair Value of Shares Vested</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="icc27742d71d2428e89b6ca272ada8ddc_D20210101-20211231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpmNWQ4OTBkNGI0NTM0NzE2OWE5YjhmNjFiZWFjNWZlYS90YWJsZXJhbmdlOmY1ZDg5MGQ0YjQ1MzQ3MTY5YTliOGY2MWJlYWM1ZmVhXzItMS0xLTEtMA_a73dfd85-f5ef-4df4-8f2a-e5be65b99c6b">65.64</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="icc27742d71d2428e89b6ca272ada8ddc_D20210101-20211231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpmNWQ4OTBkNGI0NTM0NzE2OWE5YjhmNjFiZWFjNWZlYS90YWJsZXJhbmdlOmY1ZDg5MGQ0YjQ1MzQ3MTY5YTliOGY2MWJlYWM1ZmVhXzItMi0xLTEtMA_8d077e9c-0e1b-4a13-969d-dc4b980e442d">5,400</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i36834c82e4774bc19c0e044812ac033d_D20200101-20201231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpmNWQ4OTBkNGI0NTM0NzE2OWE5YjhmNjFiZWFjNWZlYS90YWJsZXJhbmdlOmY1ZDg5MGQ0YjQ1MzQ3MTY5YTliOGY2MWJlYWM1ZmVhXzMtMS0xLTEtMA_8709aeb8-a764-4527-b5c6-1db95bed9838">69.49</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i36834c82e4774bc19c0e044812ac033d_D20200101-20201231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpmNWQ4OTBkNGI0NTM0NzE2OWE5YjhmNjFiZWFjNWZlYS90YWJsZXJhbmdlOmY1ZDg5MGQ0YjQ1MzQ3MTY5YTliOGY2MWJlYWM1ZmVhXzMtMi0xLTEtMA_69594215-66d7-4edb-96fb-5017becdce80">6,722</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i15ee5360437c4c6c9aabf7307198d623_D20190101-20191231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpmNWQ4OTBkNGI0NTM0NzE2OWE5YjhmNjFiZWFjNWZlYS90YWJsZXJhbmdlOmY1ZDg5MGQ0YjQ1MzQ3MTY5YTliOGY2MWJlYWM1ZmVhXzQtMS0xLTEtMA_1cdf81b8-ccd4-4a31-9389-1efdf04a9058">73.66</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i15ee5360437c4c6c9aabf7307198d623_D20190101-20191231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpmNWQ4OTBkNGI0NTM0NzE2OWE5YjhmNjFiZWFjNWZlYS90YWJsZXJhbmdlOmY1ZDg5MGQ0YjQ1MzQ3MTY5YTliOGY2MWJlYWM1ZmVhXzQtMi0xLTEtMA_460c57cf-7c6c-427e-89f8-2976f14480eb">8,438</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, there was $<ix:nonFraction unitRef="usd" contextRef="icc672de1c33c4742859fa26beb66ea74_I20211231" decimals="-6" name="us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzE3Nzg_0a46e275-5182-4ee1-922b-84f0b727ad37">11</ix:nonFraction> million of unrecognized compensation expense related to non-vested restricted stock that is expected to be recognized over a weighted-average period of <ix:nonNumeric contextRef="icc27742d71d2428e89b6ca272ada8ddc_D20210101-20211231" name="us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzE5MjU_9eb35c63-700d-4db8-aba0-87d7129d66e5">2.2</ix:nonNumeric> years.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Performance Share Plan</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Prior to 2021, certain officers of the Company and its subsidiaries became participants in a market-based performance share award plan. Performance shares are awarded based on our total shareholder return over designated performance periods as measured against a selected peer group. In addition, certain stock price performance must be achieved for a payout to occur. The final value of the performance shares will vary according to the number of shares of common stock that are ultimately granted based upon the actual level of attainment of the performance criteria.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">These performance awards are paid <ix:nonFraction unitRef="number" contextRef="ie3be152576cb43b399a0c8f7b0864bca_I20211231" decimals="INF" name="bkh:ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutCashPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzIxOTkwMjMyNjM4MDY_ccf8f45f-95da-4cc8-bfa0-50f64ca085b8">50</ix:nonFraction>% in cash and <ix:nonFraction unitRef="number" contextRef="ie3be152576cb43b399a0c8f7b0864bca_I20211231" decimals="INF" name="bkh:ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutSharesPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzIxOTkwMjMyNjM4MjI_45185e3b-1e17-4ee6-9471-618df849f4cf">50</ix:nonFraction>% in common stock. The cash portion accrued is classified as a liability and the stock portion is classified as equity. In the event of a change-in-control, performance awards are paid <ix:nonFraction unitRef="number" contextRef="ie3be152576cb43b399a0c8f7b0864bca_I20211231" decimals="INF" name="bkh:Thepercentagepaidincashfortheaccruedequityportionoftheperformanceshareplanuponchangeincontrol" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzI3NTM_58df5578-dc84-42ea-a860-a20bb316a2d5">100</ix:nonFraction>% in cash. If it is determined that a change-in-control is probable, the equity portion of $<ix:nonFraction unitRef="usd" contextRef="ie3be152576cb43b399a0c8f7b0864bca_I20211231" decimals="-5" name="us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzI4NDY_55be9bfc-09f9-43fc-8e80-7947bd37cf67">2.1</ix:nonFraction> million at December 31, 2021 would be reclassified as a liability.</span></div></ix:continuation><div><span><br/></span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">105</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="i8ce0f44baea34f5f90adb065cdbaafe2" continuedAt="if9e16fda43284aabb87a08e524ad117a"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzQxNTA_fda3f325-9189-4d35-9cf4-3b5e21cb979e" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The outstanding performance periods at December 31, 2021 were as follows (shares in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:19.514%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:30.478%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:19.806%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.350%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.352%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Possible Payout Range of Target</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Grant Date</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Period</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Target Grant of Shares</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Minimum</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2020</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2020 - December 31, 2022</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="ib5122fa3cd7d4a75a1eecaa60bb57480_I20201231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo2MzkzNTgyMGQyYWU0MzE5OWU2YmMzYzlhNTI5YWM5ZS90YWJsZXJhbmdlOjYzOTM1ODIwZDJhZTQzMTk5ZTZiYzNjOWE1MjlhYzllXzMtMi0xLTEtMA_d6ac0cc1-6906-4155-84d4-a8e82ce55412">36</ix:nonFraction></span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="id766efe239964dda86d9641e599ab284_I20201231" decimals="INF" name="bkh:SharebasedCompensationArrangementbySharebasedPaymentAwardPayoutPercentageofTarget" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo2MzkzNTgyMGQyYWU0MzE5OWU2YmMzYzlhNTI5YWM5ZS90YWJsZXJhbmdlOjYzOTM1ODIwZDJhZTQzMTk5ZTZiYzNjOWE1MjlhYzllXzMtMy0xLTEtMA_459abf67-cf27-4467-b325-7610244e6ae8">0</ix:nonFraction>%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i382bad16f6874a9fa0cef4c52f2c4e0c_I20201231" decimals="INF" name="bkh:SharebasedCompensationArrangementbySharebasedPaymentAwardPayoutPercentageofTarget" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo2MzkzNTgyMGQyYWU0MzE5OWU2YmMzYzlhNTI5YWM5ZS90YWJsZXJhbmdlOjYzOTM1ODIwZDJhZTQzMTk5ZTZiYzNjOWE1MjlhYzllXzMtNC0xLTEtMA_6ac4f6f9-4ac8-4bd9-9af6-59797ca06a1e">200</ix:nonFraction>%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2019</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2019 - December 31, 2021</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i1fe1606da12544d097bf9bdf1a795657_I20191231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo2MzkzNTgyMGQyYWU0MzE5OWU2YmMzYzlhNTI5YWM5ZS90YWJsZXJhbmdlOjYzOTM1ODIwZDJhZTQzMTk5ZTZiYzNjOWE1MjlhYzllXzQtMi0xLTEtMA_a7243682-00d9-45dd-bd25-5fbe0f8b35dc">36</ix:nonFraction></span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i6faa34880c364b0689495528c2a02b48_I20191231" decimals="INF" name="bkh:SharebasedCompensationArrangementbySharebasedPaymentAwardPayoutPercentageofTarget" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo2MzkzNTgyMGQyYWU0MzE5OWU2YmMzYzlhNTI5YWM5ZS90YWJsZXJhbmdlOjYzOTM1ODIwZDJhZTQzMTk5ZTZiYzNjOWE1MjlhYzllXzQtMy0xLTEtMA_84524ea3-db9e-434e-8b29-5800defab631">0</ix:nonFraction>%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i1f4567b19c4545de9dcf54d23123e68d_I20191231" decimals="INF" name="bkh:SharebasedCompensationArrangementbySharebasedPaymentAwardPayoutPercentageofTarget" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo2MzkzNTgyMGQyYWU0MzE5OWU2YmMzYzlhNTI5YWM5ZS90YWJsZXJhbmdlOjYzOTM1ODIwZDJhZTQzMTk5ZTZiYzNjOWE1MjlhYzllXzQtNC0xLTEtMA_8a3479c4-8dda-4d61-9a18-eb0891807082">200</ix:nonFraction>%</span></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A summary of the status of the Performance Share Plan at December 31, 2021 was as follows:</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:40.420%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.326%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.835%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.496%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.423%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Equity Portion</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liability Portion</span></td></tr><tr style="height:24pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-Average Grant Date Fair Value</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-Average Fair Value at</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Shares</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Shares</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Shares balance at beginning of period</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i3d73f4d7943745d9ab5d7224e9bc7e69_I20201231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo1YmM2MTAyMzliYTU0YjI3OGMyM2VkNDFjYmFhODg3MS90YWJsZXJhbmdlOjViYzYxMDIzOWJhNTRiMjc4YzIzZWQ0MWNiYWE4ODcxXzQtMS0xLTEtMA_54aa12de-f925-4fc2-8b3f-170d3dba4e5d">61</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i3d73f4d7943745d9ab5d7224e9bc7e69_I20201231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo1YmM2MTAyMzliYTU0YjI3OGMyM2VkNDFjYmFhODg3MS90YWJsZXJhbmdlOjViYzYxMDIzOWJhNTRiMjc4YzIzZWQ0MWNiYWE4ODcxXzQtMi0xLTEtMA_9d2d708f-45ce-4b4d-9ac0-7cb85b1876be">69.71</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i7fb7c097344f47b68894de17706ccb8a_I20201231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo1YmM2MTAyMzliYTU0YjI3OGMyM2VkNDFjYmFhODg3MS90YWJsZXJhbmdlOjViYzYxMDIzOWJhNTRiMjc4YzIzZWQ0MWNiYWE4ODcxXzQtMy0xLTEtMA_986a5a85-1b8c-4d5c-aa35-694ef23b4c9c">61</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Granted</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 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1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i12d6ba7432c94a519d04190b7b5e9d81_D20210101-20211231" decimals="2" name="bkh:WeightedAverageGrantDateofFairValueShareBasedCompensationArrangement" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo1YmM2MTAyMzliYTU0YjI3OGMyM2VkNDFjYmFhODg3MS90YWJsZXJhbmdlOjViYzYxMDIzOWJhNTRiMjc4YzIzZWQ0MWNiYWE4ODcxXzUtMi0xLTEtMA_5e5db5a0-ba5b-4e3a-8409-06906c3172a7">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="id425c9bded124636bc468dbefb238346_D20210101-20211231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo1YmM2MTAyMzliYTU0YjI3OGMyM2VkNDFjYmFhODg3MS90YWJsZXJhbmdlOjViYzYxMDIzOWJhNTRiMjc4YzIzZWQ0MWNiYWE4ODcxXzUtMy0xLTEtMA_44149876-3797-4d28-a31a-61a340c47d01">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Forfeited</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i12d6ba7432c94a519d04190b7b5e9d81_D20210101-20211231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo1YmM2MTAyMzliYTU0YjI3OGMyM2VkNDFjYmFhODg3MS90YWJsZXJhbmdlOjViYzYxMDIzOWJhNTRiMjc4YzIzZWQ0MWNiYWE4ODcxXzYtMS0xLTEtMA_dd36b43d-1857-4c47-80df-6d745f48f024">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i12d6ba7432c94a519d04190b7b5e9d81_D20210101-20211231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo1YmM2MTAyMzliYTU0YjI3OGMyM2VkNDFjYmFhODg3MS90YWJsZXJhbmdlOjViYzYxMDIzOWJhNTRiMjc4YzIzZWQ0MWNiYWE4ODcxXzYtMi0xLTEtMA_81f470b0-704b-4787-bb49-59fd3705cca1">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="id425c9bded124636bc468dbefb238346_D20210101-20211231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo1YmM2MTAyMzliYTU0YjI3OGMyM2VkNDFjYmFhODg3MS90YWJsZXJhbmdlOjViYzYxMDIzOWJhNTRiMjc4YzIzZWQ0MWNiYWE4ODcxXzYtMy0xLTEtMA_d534f2b3-320e-4431-b22a-1045b8f8c484">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Vested</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="shares" contextRef="i12d6ba7432c94a519d04190b7b5e9d81_D20210101-20211231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo1YmM2MTAyMzliYTU0YjI3OGMyM2VkNDFjYmFhODg3MS90YWJsZXJhbmdlOjViYzYxMDIzOWJhNTRiMjc4YzIzZWQ0MWNiYWE4ODcxXzctMS0xLTEtMA_39b7bfae-f4ea-4b99-8dce-110e02300424">25</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i12d6ba7432c94a519d04190b7b5e9d81_D20210101-20211231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo1YmM2MTAyMzliYTU0YjI3OGMyM2VkNDFjYmFhODg3MS90YWJsZXJhbmdlOjViYzYxMDIzOWJhNTRiMjc4YzIzZWQ0MWNiYWE4ODcxXzctMi0xLTEtMA_edce288d-a289-4487-a900-7e53602c3087">61.82</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="shares" contextRef="id425c9bded124636bc468dbefb238346_D20210101-20211231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo1YmM2MTAyMzliYTU0YjI3OGMyM2VkNDFjYmFhODg3MS90YWJsZXJhbmdlOjViYzYxMDIzOWJhNTRiMjc4YzIzZWQ0MWNiYWE4ODcxXzctMy0xLTEtMA_84f09a66-edcf-4dd7-ac72-af56c5aceab7">25</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Shares balance at end of period</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="ia38cf236414e44c68dea0191c7122b06_I20211231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo1YmM2MTAyMzliYTU0YjI3OGMyM2VkNDFjYmFhODg3MS90YWJsZXJhbmdlOjViYzYxMDIzOWJhNTRiMjc4YzIzZWQ0MWNiYWE4ODcxXzgtMS0xLTEtMA_3d8ebc4c-17f8-4f46-9160-6d641883e60b">36</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="ia38cf236414e44c68dea0191c7122b06_I20211231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo1YmM2MTAyMzliYTU0YjI3OGMyM2VkNDFjYmFhODg3MS90YWJsZXJhbmdlOjViYzYxMDIzOWJhNTRiMjc4YzIzZWQ0MWNiYWE4ODcxXzgtMi0xLTEtMA_d7c9237e-2ff6-468f-b7d9-ea5d88080dd7">68.14</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="ie1bde4bac5bd4bd68b28fe74bf210d1b_I20211231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo1YmM2MTAyMzliYTU0YjI3OGMyM2VkNDFjYmFhODg3MS90YWJsZXJhbmdlOjViYzYxMDIzOWJhNTRiMjc4YzIzZWQ0MWNiYWE4ODcxXzgtMy0xLTEtMA_65600f64-7314-4ed3-9782-cbcc993356d7">36</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="ie1bde4bac5bd4bd68b28fe74bf210d1b_I20211231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo1YmM2MTAyMzliYTU0YjI3OGMyM2VkNDFjYmFhODg3MS90YWJsZXJhbmdlOjViYzYxMDIzOWJhNTRiMjc4YzIzZWQ0MWNiYWE4ODcxXzgtNC0xLTEtMA_5551c761-695a-4901-b65d-cc84d8658a85">31.51</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The grant date fair values for the performance shares granted in 2020 and 2019 were determined by Monte Carlo simulation using a blended volatility of <ix:nonFraction unitRef="number" contextRef="i5ae242e43ecb4e0e98b10601d583f340_D20200101-20201231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzMyNjQ_b66fbb43-af17-47db-a928-4bb864f973d9">18</ix:nonFraction>% and <ix:nonFraction unitRef="number" contextRef="i057943aea5b24b5687e048e4b6669045_D20190101-20191231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzMyNzE_326792ce-5227-4cdd-a8a8-c56ec2a7c3bc">21</ix:nonFraction>%, respectively, comprised of <ix:nonFraction unitRef="number" contextRef="i94143e50243544a5963f0d5d22fad786_D20210101-20211231" decimals="INF" name="bkh:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateComprisedPercentOfHistoricVolatility" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzMzMDI_53132a71-9bbb-4d2b-956e-fad6baea56a3">50</ix:nonFraction>% historical volatility and <ix:nonFraction unitRef="number" contextRef="i94143e50243544a5963f0d5d22fad786_D20210101-20211231" decimals="INF" name="bkh:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateComprisedPercentOfImpliedVolatility" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzMzMzE_7f2b55b4-5de5-43ae-a847-77ceb05d7a13">50</ix:nonFraction>% implied volatility and the average risk-free interest rate of the three-year United States Treasury security rate in effect as of the grant date.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The weighted-average grant-date fair value of performance share awards granted was as follows in the years ended:</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:74.777%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:23.023%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Grant Date Fair Value</span></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i5ae242e43ecb4e0e98b10601d583f340_D20200101-20201231" decimals="2" name="bkh:WeightedAverageGrantDateofFairValueShareBasedCompensationArrangement" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo1ODJlNzlhNGQ2MDE0MzQ5Yjg0ZGY5MmQ3NmZjN2U2OS90YWJsZXJhbmdlOjU4MmU3OWE0ZDYwMTQzNDliODRkZjkyZDc2ZmM3ZTY5XzItMS0xLTEtMA_b0c343c9-3ff4-472e-ac41-069c9d153c7e">81.42</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2019</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i057943aea5b24b5687e048e4b6669045_D20190101-20191231" decimals="2" name="bkh:WeightedAverageGrantDateofFairValueShareBasedCompensationArrangement" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTo1ODJlNzlhNGQ2MDE0MzQ5Yjg0ZGY5MmQ3NmZjN2U2OS90YWJsZXJhbmdlOjU4MmU3OWE0ZDYwMTQzNDliODRkZjkyZDc2ZmM3ZTY5XzMtMS0xLTEtMA_206607ff-4634-46aa-a4b1-01a7fe982d6e">68.72</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="bkh:PerformancePlanPayoutsTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzQxNTM_82bf9014-81d5-4b33-9b29-b4edee18dd09" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Performance plan payouts have been as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:50.215%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.595%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.595%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.595%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.500%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Period</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Year Paid</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Stock Issued</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cash Paid</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Intrinsic Value</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2018 to December 31, 2020</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTplYWY0ZjZiZDhjYmQ0MzgyODk5ZDg2OGI3YTBiNmIxMC90YWJsZXJhbmdlOmVhZjRmNmJkOGNiZDQzODI4OTlkODY4YjdhMGI2YjEwXzEtMi0xLTEtMA_0bd37ac6-ff25-4b6f-8082-b3690649d553">28</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsShareBasedLiabilitiesPaid" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTplYWY0ZjZiZDhjYmQ0MzgyODk5ZDg2OGI3YTBiNmIxMC90YWJsZXJhbmdlOmVhZjRmNmJkOGNiZDQzODI4OTlkODY4YjdhMGI2YjEwXzEtMy0xLTEtMA_34d07de8-df93-4a8a-810d-8687df0aecf8">1,647</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTplYWY0ZjZiZDhjYmQ0MzgyODk5ZDg2OGI3YTBiNmIxMC90YWJsZXJhbmdlOmVhZjRmNmJkOGNiZDQzODI4OTlkODY4YjdhMGI2YjEwXzEtNC0xLTEtMA_36d6b35f-289a-4d0b-8d79-cd19abe31521">3,294</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2017 to December 31, 2019</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTplYWY0ZjZiZDhjYmQ0MzgyODk5ZDg2OGI3YTBiNmIxMC90YWJsZXJhbmdlOmVhZjRmNmJkOGNiZDQzODI4OTlkODY4YjdhMGI2YjEwXzItMi0xLTEtMA_7358e9a6-9ef3-4c16-b6ce-8c464a192135">14</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsShareBasedLiabilitiesPaid" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTplYWY0ZjZiZDhjYmQ0MzgyODk5ZDg2OGI3YTBiNmIxMC90YWJsZXJhbmdlOmVhZjRmNmJkOGNiZDQzODI4OTlkODY4YjdhMGI2YjEwXzItMy0xLTEtMA_45c1ed4e-b00b-4452-b386-84ea0eb825a4">1,100</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTplYWY0ZjZiZDhjYmQ0MzgyODk5ZDg2OGI3YTBiNmIxMC90YWJsZXJhbmdlOmVhZjRmNmJkOGNiZDQzODI4OTlkODY4YjdhMGI2YjEwXzItNC0xLTEtMA_7b620ffe-e3b6-4e92-98b1-9fd9289469e3">2,199</ix:nonFraction>&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2016 to December 31, 2018</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:StockIssuedDuringPeriodSharesTreasuryStockReissued" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTplYWY0ZjZiZDhjYmQ0MzgyODk5ZDg2OGI3YTBiNmIxMC90YWJsZXJhbmdlOmVhZjRmNmJkOGNiZDQzODI4OTlkODY4YjdhMGI2YjEwXzMtMi0xLTEtMA_4fc6f4c6-eacc-4670-b5a0-1bce65fd1536">44</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsShareBasedLiabilitiesPaid" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTplYWY0ZjZiZDhjYmQ0MzgyODk5ZDg2OGI3YTBiNmIxMC90YWJsZXJhbmdlOmVhZjRmNmJkOGNiZDQzODI4OTlkODY4YjdhMGI2YjEwXzMtMy0xLTEtMA_3763ed21-9e49-4e03-a3de-c15136a18d5b">2,860</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTplYWY0ZjZiZDhjYmQ0MzgyODk5ZDg2OGI3YTBiNmIxMC90YWJsZXJhbmdlOmVhZjRmNmJkOGNiZDQzODI4OTlkODY4YjdhMGI2YjEwXzMtNC0xLTEtMA_6bbc0a8f-9e6a-4018-8604-d3b8be44205c">5,720</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On January 25, 2022, the Compensation Committee of our Board of Directors determined that the Company&#8217;s total shareholder return for the January 1, 2018 to December 31, 2020 performance period was at the <ix:nonFraction unitRef="number" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="INF" name="bkh:SharebasedCompensationArrangementbyShareBasedPaymentAwardPerformanceGoalPercentileofPeerGroupPerformance" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzM4MzM_ace8eafa-7ec1-414e-916f-e6cb9b67e58e">30</ix:nonFraction>th percentile of its peer group and confirmed a payout equal to <ix:nonFraction unitRef="number" contextRef="ie3be152576cb43b399a0c8f7b0864bca_I20211231" decimals="4" name="bkh:SharebasedCompensationArrangementbySharebasedPaymentAwardPayoutPercentageofTarget" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzM4OTc_1a983c9c-3a9c-464a-8217-b951350c3331">40.17</ix:nonFraction>% of target shares, valued at $<ix:nonFraction unitRef="usd" contextRef="ie3be152576cb43b399a0c8f7b0864bca_I20211231" decimals="-5" name="bkh:EmployeeServiceShareBasedCompensationOtherThanOptionsTotalPayoutValue" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzM5Mjg_0b651c21-c037-4ee7-802b-8b74b0b45d0f">1.0</ix:nonFraction> million. The payout was fully accrued at December&#160;31, 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Performance Share Units</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Beginning in 2021, certain officers of the Company, and its subsidiaries, were granted performance share units which have a <ix:nonNumeric contextRef="i94143e50243544a5963f0d5d22fad786_D20210101-20211231" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" format="ixt-sec:durwordsen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzI3NDg3NzkwODc0MjU_9f3a2c5c-f90c-4633-a683-2a1afdfaa137">three-year</ix:nonNumeric> vesting period, do not have voting rights until vested, and are subject to three specified conditions. A market condition of relative total shareholder return, and two equally weighted performance metrics of average earnings per share and the average cost to serve. The units are paid <ix:nonFraction unitRef="number" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="INF" name="bkh:ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutSharesPercentage" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzc2OTY1ODE0MTIzNzY_5b7e6a00-907e-4aa3-a3ff-4546253c64e7">100</ix:nonFraction>% in common stock should conditions be met and can range from <ix:nonFraction unitRef="number" contextRef="i8ac966fd858646dca969ed7fb7668515_I20211231" decimals="INF" name="bkh:SharebasedCompensationArrangementbySharebasedPaymentAwardPayoutPercentageofTarget" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzE2NDkyNjc0NTk1NTU_5718e2e3-9eb9-44d5-a0ca-919b3171e582">0</ix:nonFraction>% to <ix:nonFraction unitRef="number" contextRef="i9c7979072ecc4a238dd21db8efe44565_I20211231" decimals="INF" name="bkh:SharebasedCompensationArrangementbySharebasedPaymentAwardPayoutPercentageofTarget" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzE2NDkyNjc0NTk1NjA_4dddffc9-5425-4e92-8e5c-bd35a8791a74">200</ix:nonFraction>% of the target award. Dividend equivalents are accrued during the vesting period and paid out based on the final number of shares awarded. In the event of participant&#8217;s death or retirement at age 55 or older, awarded vest on a pro-rata basis over the <ix:nonNumeric contextRef="i94143e50243544a5963f0d5d22fad786_D20210101-20211231" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1" format="ixt-sec:durwordsen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzI3NDg3NzkwODc0MjE_bc5c11fc-42e3-4357-a160-0cf463538ced">three-year</ix:nonNumeric> period.</span></div></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">106</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="if9e16fda43284aabb87a08e524ad117a"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Performance Share Units - Market Condition</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The fair value of each share unit is based on the Company&#8217;&#8217;s closing price at December 31 of the year prior to the award and a Monte Carlo simulation. <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzc2OTY1ODE0MTIzNzQ_8cdf4b79-7019-4556-8f43-8ea492d57570" continuedAt="i6d85de4fab9741e6b351be05e39438de" escape="true">The Monte Carlo simulation is used to estimate expected share payout based on the Company&#8217;s TSR for a <ix:nonNumeric contextRef="i174e7e95ff9145b8a34afa8e4e2d3412_D20210101-20211231" name="bkh:ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriodUsedToEstimateExpectedSharePayout" format="ixt-sec:durwordsen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzY1OTcwNjk3ODQ2MzM_c506cec3-e751-48a5-85a2-87d13aa099d8">three-year</ix:nonNumeric> performance period relative to the designated peer group beginning January 1 of the award year.</ix:nonNumeric></span></div><div><span><br/></span></div><div><ix:continuation id="i6d85de4fab9741e6b351be05e39438de"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:72.730%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.034%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:1.700%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.036%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fair value of share units award</span></td><td colspan="9" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$<ix:nonFraction unitRef="usdPerShare" contextRef="i94143e50243544a5963f0d5d22fad786_D20210101-20211231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpmNzA3YWUxM2Q1Yjk0ZmI2YmU1YWI4YjIyMDE5MGI1NC90YWJsZXJhbmdlOmY3MDdhZTEzZDViOTRmYjZiZTVhYjhiMjIwMTkwYjU0XzEtMS0xLTEtOTcwMzM_d3bd2a3e-1a99-4daf-a13c-7becd282b0b4">64.97</ix:nonFraction></span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Three-year risk-free rate</span></td><td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i94143e50243544a5963f0d5d22fad786_D20210101-20211231" decimals="4" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpmNzA3YWUxM2Q1Yjk0ZmI2YmU1YWI4YjIyMDE5MGI1NC90YWJsZXJhbmdlOmY3MDdhZTEzZDViOTRmYjZiZTVhYjhiMjIwMTkwYjU0XzItMS0xLTEtOTcwMzY_631faad4-fa96-417e-865f-d00384748ebd">0.17</ix:nonFraction>%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Corporation&#8217;s common stock volatility</span></td><td colspan="9" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i94143e50243544a5963f0d5d22fad786_D20210101-20211231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpmNzA3YWUxM2Q1Yjk0ZmI2YmU1YWI4YjIyMDE5MGI1NC90YWJsZXJhbmdlOmY3MDdhZTEzZDViOTRmYjZiZTVhYjhiMjIwMTkwYjU0XzMtMS0xLTEtOTcwNTY_3030df68-d29a-438f-8c00-159ec474ccff">33</ix:nonFraction>%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Volatility range for the peer group</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i94143e50243544a5963f0d5d22fad786_D20210101-20211231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpmNzA3YWUxM2Q1Yjk0ZmI2YmU1YWI4YjIyMDE5MGI1NC90YWJsZXJhbmdlOmY3MDdhZTEzZDViOTRmYjZiZTVhYjhiMjIwMTkwYjU0XzQtMS0xLTEtOTcwOTQ_cbf55ff3-55ca-4f0b-abb7-0ca1bf36b9e3">25</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i94143e50243544a5963f0d5d22fad786_D20210101-20211231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpmNzA3YWUxM2Q1Yjk0ZmI2YmU1YWI4YjIyMDE5MGI1NC90YWJsZXJhbmdlOmY3MDdhZTEzZDViOTRmYjZiZTVhYjhiMjIwMTkwYjU0XzQtMy0xLTEtOTcwOTY_22bc7b87-7727-46a8-b01c-ce23a1df5fdf">76</ix:nonFraction>%</span></td></tr></table></ix:continuation></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Performance Share Units - Performance Condition</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A performance condition share unit vests at the end of the <ix:nonNumeric contextRef="i01b13c882e634c3091128afc91ebe9ed_D20210101-20211231" name="bkh:ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriodUsedToEstimateExpectedSharePayout" format="ixt-sec:durwordsen" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzYwNDczMTM5NzA3OTM_5ede032b-6475-487b-9db0-e130db27578f">three-year</ix:nonNumeric> performance period if the specified performance conditions are achieved. The conditions are based on the Company&#8217;s average earnings per share and the average cost to serve. <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfNonvestedShareActivityTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzE2NDkyNjc0NTk1NTI_38e2b491-eca4-4420-a238-7b116d5aab0a" continuedAt="i365730460acc4ed2b6e0c852e13359c0" escape="true">The grant-date fair value for an individual outcome of a performance condition is determined by the closing common share price on the grant date.</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="i365730460acc4ed2b6e0c852e13359c0"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table summarizes the performance share unit activity for the year ended December&#160;31, 2021:</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:40.420%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.326%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:14.835%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.496%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.423%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Share Units - <br/>Market Condition</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Share Units - <br/>Performance Condition</span></td></tr><tr style="height:24pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Share Units</span></td><td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-Average Fair Value per Share Unit</span></td><td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Share Units</span></td><td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-Average Fair Value per Share Unit</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nonvested at January 1, 2021</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="ia653fbbdfeac46cfa253e600f7057a29_I20201231" decimals="0" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpjNGE4NTBmYmMzMjE0OGRkYjkwM2EzYWFlM2JlODQyZS90YWJsZXJhbmdlOmM0YTg1MGZiYzMyMTQ4ZGRiOTAzYTNhYWUzYmU4NDJlXzMtMS0xLTEtOTY5NzM_b4830d83-2292-4924-bf60-babf27dea1f3">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="ia653fbbdfeac46cfa253e600f7057a29_I20201231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpjNGE4NTBmYmMzMjE0OGRkYjkwM2EzYWFlM2JlODQyZS90YWJsZXJhbmdlOmM0YTg1MGZiYzMyMTQ4ZGRiOTAzYTNhYWUzYmU4NDJlXzMtMi0xLTEtOTY5ODA_83ef749d-e9a4-4fa4-862f-e197035f7785">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i6bdd9b146bb6490898b92a971bdc5718_I20201231" decimals="0" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpjNGE4NTBmYmMzMjE0OGRkYjkwM2EzYWFlM2JlODQyZS90YWJsZXJhbmdlOmM0YTg1MGZiYzMyMTQ4ZGRiOTAzYTNhYWUzYmU4NDJlXzMtMy0xLTEtOTY5ODY_400049be-b798-4386-b236-d17e118c1358">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i6bdd9b146bb6490898b92a971bdc5718_I20201231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpjNGE4NTBmYmMzMjE0OGRkYjkwM2EzYWFlM2JlODQyZS90YWJsZXJhbmdlOmM0YTg1MGZiYzMyMTQ4ZGRiOTAzYTNhYWUzYmU4NDJlXzMtNC0xLTEtOTY5OTI_d57a65b7-f203-423c-bfd5-7154cb21eecd">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Granted</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="ic218ac64c586429c938a548fb2afb301_D20210101-20211231" decimals="0" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpjNGE4NTBmYmMzMjE0OGRkYjkwM2EzYWFlM2JlODQyZS90YWJsZXJhbmdlOmM0YTg1MGZiYzMyMTQ4ZGRiOTAzYTNhYWUzYmU4NDJlXzQtMS0xLTEtOTY5NzY_9b02e7ac-3370-4edc-ac55-3a59afac2c08">32,903</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="ic218ac64c586429c938a548fb2afb301_D20210101-20211231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpjNGE4NTBmYmMzMjE0OGRkYjkwM2EzYWFlM2JlODQyZS90YWJsZXJhbmdlOmM0YTg1MGZiYzMyMTQ4ZGRiOTAzYTNhYWUzYmU4NDJlXzQtMi0xLTEtOTY5ODQ_879b56d0-35e2-4484-acc6-2e48de546142">64.97</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="i77d51dba40644bd6bda181f5cc06737d_D20210101-20211231" decimals="0" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpjNGE4NTBmYmMzMjE0OGRkYjkwM2EzYWFlM2JlODQyZS90YWJsZXJhbmdlOmM0YTg1MGZiYzMyMTQ4ZGRiOTAzYTNhYWUzYmU4NDJlXzQtMy0xLTEtOTY5ODg_1a193f60-ddec-4a9e-903a-0fa48b2f5d93">21,948</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="i77d51dba40644bd6bda181f5cc06737d_D20210101-20211231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpjNGE4NTBmYmMzMjE0OGRkYjkwM2EzYWFlM2JlODQyZS90YWJsZXJhbmdlOmM0YTg1MGZiYzMyMTQ4ZGRiOTAzYTNhYWUzYmU4NDJlXzQtNC0xLTEtOTcwMDA_3ef40850-d97a-4cfe-b42b-3b3bac31ee41">61.45</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nonvested at December 31, 2021</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="idd23e7907c854d258ba4e7bab6e63556_I20211231" decimals="0" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpjNGE4NTBmYmMzMjE0OGRkYjkwM2EzYWFlM2JlODQyZS90YWJsZXJhbmdlOmM0YTg1MGZiYzMyMTQ4ZGRiOTAzYTNhYWUzYmU4NDJlXzktMS0xLTEtOTY5Nzg_c19ce2fe-6ac3-482b-9c25-d2321b53711f">32,903</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="idd23e7907c854d258ba4e7bab6e63556_I20211231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpjNGE4NTBmYmMzMjE0OGRkYjkwM2EzYWFlM2JlODQyZS90YWJsZXJhbmdlOmM0YTg1MGZiYzMyMTQ4ZGRiOTAzYTNhYWUzYmU4NDJlXzktMi0xLTEtOTY5ODI_31039f90-e6a2-4b7e-9be6-7dde3e24bdb0">64.97</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="shares" contextRef="idebab822dfe249a3941f7dca505ee35a_I20211231" decimals="0" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" format="ixt:num-dot-decimal" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpjNGE4NTBmYmMzMjE0OGRkYjkwM2EzYWFlM2JlODQyZS90YWJsZXJhbmdlOmM0YTg1MGZiYzMyMTQ4ZGRiOTAzYTNhYWUzYmU4NDJlXzktMy0xLTEtOTY5OTA_47e2559f-b86f-4fa1-8386-24e64e0cd59d">21,948</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usdPerShare" contextRef="idebab822dfe249a3941f7dca505ee35a_I20211231" decimals="2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpjNGE4NTBmYmMzMjE0OGRkYjkwM2EzYWFlM2JlODQyZS90YWJsZXJhbmdlOmM0YTg1MGZiYzMyMTQ4ZGRiOTAzYTNhYWUzYmU4NDJlXzktNC0xLTEtOTY5OTg_22911807-c94b-4abf-8650-012866c47159">61.45</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:continuation><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, there was $<ix:nonFraction unitRef="usd" contextRef="ie3be152576cb43b399a0c8f7b0864bca_I20211231" decimals="-5" name="us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzM5OTA_c75fbb63-1182-4d8c-9174-1812b611043c">2.9</ix:nonFraction> million of unrecognized compensation expense related to outstanding performance share/unit plans that is expected to be recognized over a weighted-average period of <ix:nonNumeric contextRef="i94143e50243544a5963f0d5d22fad786_D20210101-20211231" name="us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" format="ixt-sec:duryear" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzQxNDU_0ada1c5d-cdd3-40e5-bed7-cdd87a5176aa">1.8</ix:nonNumeric> years.</span></div></ix:continuation><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_220"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(15)&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:IncomeTaxDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5Xzg0Mjg_a9d7809e-894e-4b8d-85aa-d2d07b5e3db7" continuedAt="i7463267079aa4b9981b44be0cabe23c8" escape="true">INCOME TAXES</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="i7463267079aa4b9981b44be0cabe23c8" continuedAt="id195e1df07ec42f48d69e39d22da06d0"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Winter Storm Uri</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As discussed in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_175">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> above, our Utilities submitted cost recovery applications which seek to recover incremental costs from Winter Storm Uri through a regulatory mechanism. We expect to recover these costs from customers over several years. Winter Storm Uri costs, which will be deductible in our 2021 tax return, created a net deferred tax liability which had a balance of $<ix:nonFraction unitRef="usd" contextRef="i926b544ad3af420e999a1fa383b02ce7_I20211231" decimals="-3" name="us-gaap:DeferredIncomeTaxLiabilitiesNet" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzYwNDczMTM5Nzk3MDI_5a78e266-0623-4524-9cec-26c965bff376">124</ix:nonFraction>&#160;million as of December 31, 2021. The deferred tax liability will reverse with the same timing as the costs are recovered from our customers.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The income tax deduction recognized from Winter Storm Uri will create a $<ix:nonFraction unitRef="usd" contextRef="i659934b4fe414666a189f527180987df_I20211231" decimals="-3" name="bkh:OperatingLossCarryforwardsWithNoExpirationDate" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzE2NDkyNjc0Njg0ODM_a0b4c978-c65e-4a23-a906-1d43cbc28403">509</ix:nonFraction>&#160;million NOL in our 2021 federal income tax return and a $<ix:nonFraction unitRef="usd" contextRef="i399fde2a827a4f3383d1b4215894de41_I20211231" decimals="-3" name="us-gaap:OperatingLossCarryforwards" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzE2NDkyNjc0Njg0Njk_ce66cb68-b154-42cd-976f-15eee2c87a6f">375</ix:nonFraction>&#160;million NOL in our state income tax returns. Our federal NOL carryforwards related to Winter Storm Uri and other recent adjustments no longer expire due to the TCJA; however, our state NOL carryforwards expire at various dates from 2022 to 2041. We do not anticipate material changes to our valuation allowance against the state NOL carryforwards from Winter Storm Uri. Therefore, we did not record an additional valuation allowance against the state NOL carryforwards as of December 31, 2021.</span></div></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">107</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span><br/></span></div><ix:continuation id="id195e1df07ec42f48d69e39d22da06d0" continuedAt="i3aacf82dbae84858a887ab7820d88c5b"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">CARES Act</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On March 27, 2020, President Trump signed the CARES Act, which contained, in part, an allowance for deferral of the employer portion of Social Security employment tax liabilities until 2021 and 2022, as well as a COVID-19 employee retention tax credit of up to $5,000 per eligible employee.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">During the year ended December 31, 2020, we utilized the payroll tax deferral provision which allowed us to defer payment of approximately $<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="bkh:AmountOfPayrollTaxSocialSecurityEmploymentTaxDeferralAllowedUnderTheCARESAct" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzE0Njk_48cd67ae-e11f-4e29-b32b-180daf0afd22">10</ix:nonFraction>&#160;million of Social Security employment tax liabilities, of which $<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="bkh:AmountOfPayrollTaxSocialSecurityEmploymentTaxDeferralUnderTheCaresActDisbursedInTheCurrentYear" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzYwNDczMTM5Nzk2ODg_da092cc3-29fb-4e58-9564-6b36cf35634a">4.8</ix:nonFraction>&#160;million was subsequently paid in 2021 and the remaining portion will be paid in 2022. During the year ended December 31, 2021, we completed our study of the CARES Act employee retention tax credits and recognized $<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="bkh:GrossPayrollTaxCreditsRecognizedCaresAct" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzE2NDkyNjc0Njg0OTc_32b0d7bb-9bbd-468a-8b4e-a326ded53d03">1.2</ix:nonFraction>&#160;million of gross payroll tax credits.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">TCJA</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On December 22, 2017, the U.S. government enacted comprehensive tax legislation commonly referred to as the TCJA. The TCJA reduced the U.S. federal corporate tax rate from 35% to 21%. As such, the Company remeasured the deferred income taxes at the 21% federal tax rate as of December 31, 2017. The entities subject to regulatory construct have made their best estimate regarding the probability of settlements of net regulatory liabilities established pursuant to the TCJA. The amount of the settlements may change based on decisions and actions by the federal and state utility commissions, which could have a material impact on the Company&#8217;s future results of operations, cash flows or financial position. A majority of the excess deferred taxes are subject to the average rate assumption method, as prescribed by the IRS, and will generally be amortized as a reduction of customer rates over the remaining lives of the related assets. As of December 31, 2021, the Company has amortized, or provided bill credits for, $<ix:nonFraction unitRef="usd" contextRef="i64559071c19a47769dbbfeac98398ce5_D20180101-20211231" decimals="-6" name="bkh:RevenueRefundedToCustomersAsAResultOfTheTCJATaxBenefits" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzMxOTg_b214b027-69d6-4e1c-abe9-fd25a907bd07">23</ix:nonFraction> million of the regulatory liability. The portion that was eligible for amortization under the average rate assumption method in 2021 but is awaiting resolution of the treatment of these amounts in future regulatory proceedings has not been recognized, and may be refunded in customer rates at any time in accordance with the resolution of pending or future regulatory proceedings.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Income Tax Expense (Benefit)</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzgzNjY_e31f2f15-f28e-41bf-8cbc-8f4c5f1c0e3e" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Income tax expense (benefit) from continuing operations for the years ended December 31 was (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:58.110%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.496%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.496%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.498%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current:</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Federal</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:CurrentFederalTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzItMS0xLTEtMA_d906c85a-8e56-4b73-b1a2-5283d8a7ffab">574</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:CurrentFederalTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzItMi0xLTEtMA_da3a580c-edd0-432b-a0ce-2fdc80680d0d">6,020</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:CurrentFederalTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzItMy0xLTEtMA_3cab74aa-6788-48b0-b9b8-78bad2ac1b35">8,578</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:CurrentStateAndLocalTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzMtMS0xLTEtMA_4c86a828-efa1-4252-9f1a-a56b87786754">666</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:CurrentStateAndLocalTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzMtMi0xLTEtMA_f5fdc663-3c74-4f75-85ab-da14b7d5daaa">847</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:CurrentStateAndLocalTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzMtMy0xLTEtMA_ca77959b-3a30-4500-9725-6a84366530fc">138</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current income tax (benefit)</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:CurrentIncomeTaxExpenseBenefit" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzQtMS0xLTEtMA_d62b6a00-3358-495e-baae-fe74b919c17e">92</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:CurrentIncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzQtMi0xLTEtMA_127e2812-c089-4ce0-b4c8-dd454fee3365">5,173</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:CurrentIncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzQtMy0xLTEtMA_2e0ee1a9-41c7-4e06-8345-a473ef51bc47">8,440</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Federal</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" 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name="us-gaap:DeferredFederalIncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzYtMi0xLTEtMA_b11f097b-ebdc-413f-8975-1521a85bdc07">35,672</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:DeferredFederalIncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzYtMy0xLTEtMA_523bcc9e-3f4f-420d-8751-e414d4631e42">34,551</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzctMS0xLTEtMA_0f3c9747-3cea-4527-a40c-48ff0f6f6bfa">5,091</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzctMi0xLTEtMA_be516cf4-8dd4-4bc0-a67e-f7c690e5c98e">2,419</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzctMy0xLTEtMA_28d9ac26-6244-450b-b596-b00a6888602d">3,469</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred income tax expense</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:DeferredIncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzgtMS0xLTEtMA_02ec14fb-531b-4e93-b8f2-ab99ed05e033">7,261</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:DeferredIncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzgtMi0xLTEtMA_189c1fe8-10be-48d0-9a29-dfba6f33ae02">38,091</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:DeferredIncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzgtMy0xLTEtMA_57c41746-00ab-4f82-85fe-46e598833a7c">38,020</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income tax expense</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:IncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzEwLTEtMS0xLTA_33c29802-7d60-4271-8301-7c701102b708">7,169</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:IncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzEwLTItMS0xLTA_75d42e42-e6e5-45fd-aa41-65f287d15cff">32,918</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:IncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTplOTAzM2RmY2M2MmQ0MDcxYWE1MzE0YjMwMjZkMTE2OC90YWJsZXJhbmdlOmU5MDMzZGZjYzYyZDQwNzFhYTUzMTRiMzAyNmQxMTY4XzEwLTMtMS0xLTA_410d278e-612b-4b0e-9ee2-79331531ac54">29,580</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric></ix:continuation><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">108</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="i3aacf82dbae84858a887ab7820d88c5b" continuedAt="i6d871ba0a7ef4b4da47067c7b0903de6"><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5Xzg0MTM_dd8d6b3c-dc93-40eb-af8a-3116fa6cefd0" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Effective Tax Rates</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The effective tax rate differs from the federal statutory rate for the years ended December 31, as follows:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:58.110%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.496%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.496%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.498%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Federal statutory rate</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="INF" name="us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzEtMS0xLTEtMA_3de7238d-139d-4d8e-9b54-133149f20783">21.0</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="INF" name="us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzEtMi0xLTEtMA_fd418eaf-4a19-47cd-b47a-08983de2f5c2">21.0</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="INF" name="us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzEtMy0xLTEtMA_af074ec6-e858-4528-9ac5-818318ede525">21.0</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State income tax (net of federal tax effect)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="3" name="us-gaap:EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzItMS0xLTEtMA_7438113d-4f7b-4886-a7e3-384fd6a5695f">1.2</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="3" name="us-gaap:EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzItMi0xLTEtMA_93329569-8963-4735-bf30-2e11106f0913">2.4</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="3" name="us-gaap:EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzItMy0xLTEtMA_971d93e7-d675-402b-b7ed-a9926d0d095b">1.5</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzUtMS0xLTEtMA_aa5fd311-8752-465c-beef-3739700792f1">1.2</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="number" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="3" name="us-gaap:EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzUtMi0xLTEtMA_350e1dc5-5ebf-478a-9d09-800ba78c9772">1.2</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="number" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="3" name="us-gaap:EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzUtMy0xLTEtMA_0ee890d4-dee3-46bb-b558-124af16351ec">1.2</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Tax credits</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="number" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="3" name="us-gaap:EffectiveIncomeTaxRateReconciliationTaxCredits" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzYtMS0xLTEtMA_ba32749d-066e-43d0-988f-abbc72e7c252">8.4</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="number" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="3" name="us-gaap:EffectiveIncomeTaxRateReconciliationTaxCredits" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzYtMi0xLTEtMA_a69a6d90-aa0c-449d-b807-6f9faaef0137">9.2</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="number" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="3" name="us-gaap:EffectiveIncomeTaxRateReconciliationTaxCredits" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzYtMy0xLTEtMA_d5951581-f8e3-47f5-8c96-6b4d44eefa26">3.9</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Flow-through adjustments</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (c)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="number" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="3" sign="-" name="bkh:EffectiveIncomeTaxRateReconciliationFlowThroughAccounting" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzgtMS0xLTEtMA_1bc6c5f6-bd5d-457e-8ac2-4fe7e10baf02">3.2</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="number" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="3" sign="-" name="bkh:EffectiveIncomeTaxRateReconciliationFlowThroughAccounting" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzgtMi0xLTEtMA_e8811b56-8363-4a5e-a5ab-968fe5869796">1.6</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="number" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="3" sign="-" name="bkh:EffectiveIncomeTaxRateReconciliationFlowThroughAccounting" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzgtMy0xLTEtMA_2dbad4d8-83ff-4a6e-85f9-c5a9c5ebbe6b">2.4</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Uncertain Tax Benefits</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="3" name="bkh:EffectiveIncomeTaxRateReconciliationUncertainTaxBenefitsPercent" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzEwLTEtMS0xLTA_5623ad94-1644-4842-8aee-bdcfaff45d36">0.3</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="3" name="bkh:EffectiveIncomeTaxRateReconciliationUncertainTaxBenefitsPercent" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzEwLTItMS0xLTA_2416775c-ddfe-492b-947e-247d76f02602">1.5</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="3" name="bkh:EffectiveIncomeTaxRateReconciliationUncertainTaxBenefitsPercent" format="ixt:fixed-zero" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzEwLTMtMS0xLTA_cb5fb17a-3a1c-47a1-8956-adfc057f229f">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Valuation Allowance</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="3" name="us-gaap:EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" format="ixt:fixed-zero" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzExLTEtMS0xLTA_344ba0f3-73c3-4677-b819-bf08b63e343d">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="3" name="us-gaap:EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzExLTItMS0xLTA_5ed7c685-c2f5-48e2-8484-a9b27bae9109">0.7</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="3" name="us-gaap:EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance" format="ixt:fixed-zero" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzExLTMtMS0xLTA_348debc4-ba07-4f01-a199-e8bdacda3389">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other tax differences</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="number" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="3" sign="-" name="us-gaap:EffectiveIncomeTaxRateReconciliationOtherAdjustments" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzEyLTEtMS0xLTA_34ca851f-3690-4b60-9969-e83c009639e1">0.2</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="number" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="3" sign="-" name="us-gaap:EffectiveIncomeTaxRateReconciliationOtherAdjustments" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzEyLTMtMS0xLTA_d34bd054-1770-4b1c-a08a-81801663ce21">1.6</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of excess deferred income tax expense </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(d)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="number" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="3" sign="-" name="bkh:EffectiveIncomeTaxReconciliationAmortizationOfExcessDeferredIncomeTaxExpense" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzE0LTEtMS0xLTA_792d352b-9a98-4672-8deb-e546f56910a8">3.1</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="number" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="3" sign="-" name="bkh:EffectiveIncomeTaxReconciliationAmortizationOfExcessDeferredIncomeTaxExpense" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzE0LTItMS0xLTA_f381c979-b8f8-4366-a858-20a71ad6d454">2.3</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="number" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="3" sign="-" name="bkh:EffectiveIncomeTaxReconciliationAmortizationOfExcessDeferredIncomeTaxExpense" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzE0LTMtMS0xLTA_282855cd-e753-4f1d-91f1-063782fc9e1d">1.2</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">TCJA bill credits </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(e)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="3" name="bkh:EffectiveIncomeTaxReconciliationTCJARelatedCustomerBillingCreditsToItsCustomersPercent" format="ixt:fixed-zero" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzEzLTItMS0xLTk3MTA4_28e9fb07-4e46-498d-a256-e43ca92d405c">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="3" name="bkh:EffectiveIncomeTaxReconciliationTCJARelatedCustomerBillingCreditsToItsCustomersPercent" format="ixt:fixed-zero" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzEzLTMtMS0xLTk3MTA4_b850e51b-2a30-44ca-9805-e1832dd01483">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Effective Tax Rate</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="3" name="us-gaap:EffectiveIncomeTaxRateContinuingOperations" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzE1LTEtMS0xLTA_fe3a77ce-e8fa-4d90-9e24-a624532ce7a2">2.8</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="3" name="us-gaap:EffectiveIncomeTaxRateContinuingOperations" scale="-2" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToxZGJlOGJkYWI5Yjk0NTNjODI4MTM1MTdlYzY4ZmY4Mi90YWJsZXJhbmdlOjFkYmU4YmRhYjliOTQ1M2M4MjgxMzUxN2VjNjhmZjgyXzE1LTItMS0xLTA_9f4df414-8673-4fa8-8961-7d3bcf417b90">11.9</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="number" 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style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The effective tax rate reflects the income attributable to the non-controlling interest in Black Hills Colorado IPP for which a tax provision was not recorded.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:115%">(b)&#160;&#160;&#160;&#160;In 2020, the Company completed a research and development study which encompassed tax years from 2013 to 2019.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;Flow-through adjustments related primarily to accounting method changes for tax purposes that allow us to take a current tax deduction for repair costs, certain indirect costs and gain deferral. We recorded a deferred income tax liability in recognition of the temporary difference created between book and tax treatment and flowed the tax benefit through to tax expense. A regulatory asset was established to reflect the recovery of future increases in taxes payable from customers as the temporary differences reverse. As a result of this regulatory treatment, we continue to record tax benefits consistent with the flow-through method.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(d)&#160;&#160;&#160;&#160;Primarily TCJA - see above.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(e)&#160;&#160;&#160;&#160;As discussed in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_175">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> above, Colorado Electric and Nebraska Gas bill credits, which represent a disposition of excess deferred income tax benefits resulting from the TCJA, were delivered to customers in 2021. These bill credits, which resulted in a reduction in revenue, were offset by a reduction in income tax expense and resulted in a minimal impact to Net income for the year ended December 31, 2021.</span></div></ix:nonNumeric></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">109</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="i6d871ba0a7ef4b4da47067c7b0903de6" continuedAt="ie599c62737b843b491ebe2c5c46f80a8"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Deferred Tax Assets and Liabilities</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5Xzg0MDY_15cff663-5a50-4d0b-b668-80c646b8483c" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The temporary differences, which gave rise to the net deferred tax liability, for the years ended December 31 were as follows (in thousands):</span></div><div 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred tax assets:</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory liabilities</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State tax credits</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsOther" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzQtMS0xLTEtMA_a0bbd866-f368-42ae-9db3-3fdf9a1dfb9e">23,342</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 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style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Federal NOL</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:DeferredTaxAssetsOperatingLossCarryforwards" format="ixt:num-dot-decimal" scale="3" 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style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Credit Carryovers</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:DeferredTaxAssetsTaxCreditCarryforwards" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzgtMS0xLTEtMA_c59773d1-22db-4cd9-94c1-050bf667e4b7">68,646</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:DeferredTaxAssetsTaxCreditCarryforwards" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzgtMi0xLTEtMA_6f4a40a6-1f96-4aff-a73d-3725d5f19607">51,445</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other deferred tax assets</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:DeferredTaxAssetsOther" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzktMS0xLTEtMA_e9af33e0-3e96-4893-87cf-c797d04b0b34">31,996</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:DeferredTaxAssetsOther" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzktMi0xLTEtMA_b03dbf06-1b21-49d2-9a01-65a3d18eaf78">40,143</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less: Valuation allowance</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:DeferredTaxAssetsValuationAllowance" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzEwLTEtMS0xLTA_bca0c5d0-75ce-4b37-a08e-b2856d86202d">14,719</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:DeferredTaxAssetsValuationAllowance" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzEwLTItMS0xLTA_21fde4af-688c-420c-95ff-bda5a9872b43">13,943</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total deferred tax assets</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:DeferredTaxAssetsNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzExLTEtMS0xLTA_663f9a6e-e9c5-4b2d-b60f-8759607e1095">460,933</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:DeferredTaxAssetsNet" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzExLTItMS0xLTA_0ab9007a-9030-437d-b19e-e689dcbb0cc1">313,189</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred tax liabilities:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accelerated depreciation, amortization and other property-related differences</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzE0LTEtMS0xLTA_04604084-23a2-4eda-91b6-c1055ffdc681">597,284</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzE0LTItMS0xLTA_8e35f5f5-c2da-452f-a4eb-a752ed4c44f8">551,137</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory assets</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:DeferredTaxLiabilitiesRegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzE1LTEtMS0xLTA_1d851b53-c380-4937-9119-e072dff5f959">124,582</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:DeferredTaxLiabilitiesRegulatoryAssets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzE1LTItMS0xLTA_22b9056a-d803-4421-b477-22351d8a6333">28,007</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Goodwill</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzE2LTEtMS0xLTA_50de87bc-0359-4cee-9e57-177ec0dec0c2">45,471</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzE2LTItMS0xLTA_94c04175-1c57-4af9-b4db-d220f974ba82">30,590</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State deferred tax liability </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="bkh:DeferredTaxLiabilityState" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzE4LTEtMS0xLTA_5e8d3ee9-8f83-49e3-81fd-4017e65eea9a">109,136</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="bkh:DeferredTaxLiabilityState" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzE4LTItMS0xLTA_0fcbaa6e-62af-4a36-99fa-d3fb65bc8d07">73,910</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other deferred tax liabilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:DeferredTaxLiabilitiesOther" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzIwLTEtMS0xLTA_4d375b73-df9c-4062-8273-94a106c433f3">49,848</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:DeferredTaxLiabilitiesOther" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzIwLTItMS0xLTA_96ebda91-a6b1-4f93-bfbc-1e7dac217c0e">38,169</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total deferred tax liabilities</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:DeferredIncomeTaxLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzIxLTEtMS0xLTA_c68d9341-3596-46e3-a565-56ec77414229">926,321</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:DeferredIncomeTaxLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzIxLTItMS0xLTA_63e6a4a6-716d-4732-ba3a-cea61f32d8c6">721,813</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net deferred tax liability</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:DeferredTaxLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzIzLTEtMS0xLTA_0b8fcda5-0927-4910-8091-96f104e5ba39">465,388</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:DeferredTaxLiabilities" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZToyNmM3ZjAzM2NiOTI0M2IzOThiMzg3MTQ3N2IwYzJiMC90YWJsZXJhbmdlOjI2YzdmMDMzY2I5MjQzYjM5OGIzODcxNDc3YjBjMmIwXzIzLTItMS0xLTA_7ba0fd48-6a20-4280-aa46-f66079477da9">408,624</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Increase primarily driven by Winter Storm Uri &#8212; see above.</span></div></ix:nonNumeric><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Net Operating Loss Carryforwards</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:SummaryOfOperatingLossCarryforwardsTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzgzOTM_0d14034a-72d2-46cc-bba4-57f5e7ee09f6" escape="true"><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">At December 31, 2021, we have federal and state NOL carryforwards that will expire at various dates as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:40.481%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:2.853%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.372%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:2.853%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:10.759%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.781%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.201%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amounts</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Expiration Dates</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Federal NOL Carryforward</span></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic504e3ff0a5b4982beadbfbef4117e64_I20211231" decimals="-3" name="us-gaap:OperatingLossCarryforwards" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpkZWQ1ODMzM2FkMjQ0YmMwOGZlYzNhYTlkNzkwNGQ0Yy90YWJsZXJhbmdlOmRlZDU4MzMzYWQyNDRiYzA4ZmVjM2FhOWQ3OTA0ZDRjXzEtMi0xLTEtMA_5368edf4-7aa8-4046-bb42-3b24342e93e8">476,033</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">to</span></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2037</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Federal NOL Carryforward</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic504e3ff0a5b4982beadbfbef4117e64_I20211231" decimals="-3" name="bkh:OperatingLossCarryforwardsWithNoExpirationDate" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpkZWQ1ODMzM2FkMjQ0YmMwOGZlYzNhYTlkNzkwNGQ0Yy90YWJsZXJhbmdlOmRlZDU4MzMzYWQyNDRiYzA4ZmVjM2FhOWQ3OTA0ZDRjXzItMi0xLTEtMA_1fa36447-4877-4a7e-b079-f73c73f4e87e">607,465</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">No expiration</span></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State NOL Carryforward </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0e8c5f41a82c4d0a97d42bb30f555bf3_I20211231" decimals="-3" name="us-gaap:OperatingLossCarryforwards" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpkZWQ1ODMzM2FkMjQ0YmMwOGZlYzNhYTlkNzkwNGQ0Yy90YWJsZXJhbmdlOmRlZDU4MzMzYWQyNDRiYzA4ZmVjM2FhOWQ3OTA0ZDRjXzQtMi0xLTEtMA_a6c0d1b7-6265-4358-bcfc-556f13da990e">572,203</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">to</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2041</span></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The carryforward balance is reflected on the basis of apportioned tax losses to jurisdictions imposing state income taxes.</span></div></ix:nonNumeric><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, we had a $<ix:nonFraction unitRef="usd" contextRef="idaa38eea823b401d82e9b5878331f25d_I20211231" decimals="-5" name="us-gaap:OperatingLossCarryforwardsValuationAllowance" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzYxOTY_15d3d9db-9d75-494e-80d8-59bba591ec51">1.1</ix:nonFraction> million valuation allowance against the state NOL carryforwards. Our 2021 analysis of the ability to utilize such NOLs resulted in <ix:nonFraction unitRef="usd" contextRef="iec07d69519134f38b0621f67d3998ec4_D20210101-20211231" decimals="-3" name="us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount" format="ixt-sec:numwordsen" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzYzMjU_7e24d440-0678-4ec2-af25-58ee6ab345ad">no</ix:nonFraction> increase in the valuation allowance. If the valuation allowance is adjusted due to higher or lower than anticipated utilization of the NOLs, the offsetting amount will affect tax expense.</span></div></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">110</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="ie599c62737b843b491ebe2c5c46f80a8"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Unrecognized Tax Benefits</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:SummaryOfIncomeTaxContingenciesTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzgzODE_93391b1c-d9a2-448c-ac36-f7fcbc676a81" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table reconciles the total amounts of unrecognized tax benefits, without interest, at the beginning and end of the period included in Other deferred credits and other liabilities on the accompanying Consolidated Balance Sheets (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:31.794%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:21.268%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:21.268%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:21.270%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Changes in Uncertain Tax Positions:</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Beginning balance</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:LiabilityForUncertainTaxPositionsNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpmZTc5Y2Y0YTAyY2I0YzRkOWQ0YzE4YTJiYjNlNDY2My90YWJsZXJhbmdlOmZlNzljZjRhMDJjYjRjNGQ5ZDRjMThhMmJiM2U0NjYzXzEtMS0xLTEtNzkxNjY_d00a6563-3795-45c6-a457-35c1745aff19">8,383</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0775ca58b3d94559b8449be6bfcf8cf6_I20191231" decimals="-3" name="us-gaap:LiabilityForUncertainTaxPositionsNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpmZTc5Y2Y0YTAyY2I0YzRkOWQ0YzE4YTJiYjNlNDY2My90YWJsZXJhbmdlOmZlNzljZjRhMDJjYjRjNGQ5ZDRjMThhMmJiM2U0NjYzXzEtMi0xLTEtNzkxNDE_ec4a59bc-924b-4ccd-9f1c-2798549c3398">4,165</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i8ebece702b5b4332924648558e2a4036_I20181231" decimals="-3" name="us-gaap:LiabilityForUncertainTaxPositionsNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpmZTc5Y2Y0YTAyY2I0YzRkOWQ0YzE4YTJiYjNlNDY2My90YWJsZXJhbmdlOmZlNzljZjRhMDJjYjRjNGQ5ZDRjMThhMmJiM2U0NjYzXzEtMS0xLTEtMA_8750d067-1b3e-4d45-b938-37e90817004c">3,583</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Additions for prior year tax positions</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpmZTc5Y2Y0YTAyY2I0YzRkOWQ0YzE4YTJiYjNlNDY2My90YWJsZXJhbmdlOmZlNzljZjRhMDJjYjRjNGQ5ZDRjMThhMmJiM2U0NjYzXzItMS0xLTEtNzkxNTU_21da0dd3-34a0-4ecd-be8f-dede981aef98">448</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpmZTc5Y2Y0YTAyY2I0YzRkOWQ0YzE4YTJiYjNlNDY2My90YWJsZXJhbmdlOmZlNzljZjRhMDJjYjRjNGQ5ZDRjMThhMmJiM2U0NjYzXzItMi0xLTEtNzkxNDE_853cb88e-df4b-40d8-afd8-5f9c44ee5995">3,788</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpmZTc5Y2Y0YTAyY2I0YzRkOWQ0YzE4YTJiYjNlNDY2My90YWJsZXJhbmdlOmZlNzljZjRhMDJjYjRjNGQ5ZDRjMThhMmJiM2U0NjYzXzItMS0xLTEtMA_9fa920ca-4e7e-475a-8c4c-54f82e8bee42">446</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Reductions for prior year tax positions</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpmZTc5Y2Y0YTAyY2I0YzRkOWQ0YzE4YTJiYjNlNDY2My90YWJsZXJhbmdlOmZlNzljZjRhMDJjYjRjNGQ5ZDRjMThhMmJiM2U0NjYzXzMtMS0xLTEtNzkxNTU_39d434a5-3565-41a4-b8c6-5a8fe7b034cb">732</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpmZTc5Y2Y0YTAyY2I0YzRkOWQ0YzE4YTJiYjNlNDY2My90YWJsZXJhbmdlOmZlNzljZjRhMDJjYjRjNGQ5ZDRjMThhMmJiM2U0NjYzXzMtMi0xLTEtNzkxNDE_a7f5c822-2c54-4967-8c14-fcd6b078d140">1,313</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpmZTc5Y2Y0YTAyY2I0YzRkOWQ0YzE4YTJiYjNlNDY2My90YWJsZXJhbmdlOmZlNzljZjRhMDJjYjRjNGQ5ZDRjMThhMmJiM2U0NjYzXzMtMS0xLTEtMA_852323e7-df13-40d2-a064-9b46e5e6cb2b">862</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Additions for current year tax positions</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpmZTc5Y2Y0YTAyY2I0YzRkOWQ0YzE4YTJiYjNlNDY2My90YWJsZXJhbmdlOmZlNzljZjRhMDJjYjRjNGQ5ZDRjMThhMmJiM2U0NjYzXzQtMS0xLTEtNzkxNTU_dfae4597-aa66-4f9c-8b73-cb7c03dc678a">2,455</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpmZTc5Y2Y0YTAyY2I0YzRkOWQ0YzE4YTJiYjNlNDY2My90YWJsZXJhbmdlOmZlNzljZjRhMDJjYjRjNGQ5ZDRjMThhMmJiM2U0NjYzXzQtMi0xLTEtNzkxNDE_828d1161-d056-451d-aaf7-bf92e8dd10d7">1,743</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpmZTc5Y2Y0YTAyY2I0YzRkOWQ0YzE4YTJiYjNlNDY2My90YWJsZXJhbmdlOmZlNzljZjRhMDJjYjRjNGQ5ZDRjMThhMmJiM2U0NjYzXzQtMS0xLTEtMA_7b5e09b1-f58d-47a1-847d-8f252db67da8">998</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Ending balance</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:LiabilityForUncertainTaxPositionsNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpmZTc5Y2Y0YTAyY2I0YzRkOWQ0YzE4YTJiYjNlNDY2My90YWJsZXJhbmdlOmZlNzljZjRhMDJjYjRjNGQ5ZDRjMThhMmJiM2U0NjYzXzYtMS0xLTEtNzkxNTU_adc6d00d-0cf4-4e62-b722-4abc76733ffd">10,554</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:LiabilityForUncertainTaxPositionsNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpmZTc5Y2Y0YTAyY2I0YzRkOWQ0YzE4YTJiYjNlNDY2My90YWJsZXJhbmdlOmZlNzljZjRhMDJjYjRjNGQ5ZDRjMThhMmJiM2U0NjYzXzYtMi0xLTEtNzkxNDE_0e6d8b20-af6a-4427-81c7-54aca973851c">8,383</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0775ca58b3d94559b8449be6bfcf8cf6_I20191231" decimals="-3" name="us-gaap:LiabilityForUncertainTaxPositionsNoncurrent" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpmZTc5Y2Y0YTAyY2I0YzRkOWQ0YzE4YTJiYjNlNDY2My90YWJsZXJhbmdlOmZlNzljZjRhMDJjYjRjNGQ5ZDRjMThhMmJiM2U0NjYzXzYtMS0xLTEtMA_ec4a59bc-924b-4ccd-9f1c-2798549c3398">4,165</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The total amount of unrecognized tax benefits that, if recognized, would impact the effective tax rate is approximately $<ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-5" name="us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzcwNzI_2850004c-a289-4009-a1ef-7a42bb87dd79">5.1</ix:nonFraction> million.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We recognized <ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="INF" name="us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" format="ixt:fixed-zero" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzcwOTE_0cf73623-b775-4253-a31c-f3f797417a99"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="INF" name="us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" format="ixt:fixed-zero" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzcwOTE_12d98465-632b-4582-b160-2997af12c2d8"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="INF" name="us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" format="ixt:fixed-zero" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzcwOTE_cb91f6e1-e68f-458a-a77b-86b6b2ecd383">no</ix:nonFraction></ix:nonFraction></ix:nonFraction> interest expense associated with income taxes for the years ended December 31, 2021, December 31, 2020 and December 31, 2019. We had <ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="INF" name="us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzcxODY_1fcdcea9-70ef-48f3-9c27-e8046fdfd8eb"><ix:nonFraction unitRef="usd" contextRef="i0775ca58b3d94559b8449be6bfcf8cf6_I20191231" decimals="INF" name="us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzcxODY_4201e028-f378-436f-88a2-f5e70c88f797"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="INF" name="us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" format="ixt:fixed-zero" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzcxODY_5c56c314-1c12-41a7-93cd-fd4fb6c6d40e">no</ix:nonFraction></ix:nonFraction></ix:nonFraction> accrued interest (before tax effect) associated with income taxes at December 31, 2021 and December 31, 2020.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Company is subject to federal income tax as well as income tax in various state and local jurisdictions. Black Hills Gas, Inc. and subsidiaries, which filed a separate consolidated tax return from BHC and subsidiaries through March 31, 2018, is under examination by the IRS for 2014. BHC is no longer subject to examination for tax years prior to 2017.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, we do not have any tax positions for which it is reasonably possible that the total amount of unrecognized tax benefits will significantly increase or decrease on or before December 31, 2022.</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:SummaryOfTaxCreditCarryforwardsTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5Xzg0MjA_89fd13bd-08e7-40ae-889f-675e9565d234" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">State tax credits have been generated and are available to offset future state income taxes.  At December 31, 2021, we had the following state tax credit carryforwards (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:34.090%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:15.322%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:19.574%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.938%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:19.576%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State Tax Credit Carryforwards</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amounts</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Expiration Year</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">ITC</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i58e7e3767c4748f09b834d96eeda818e_I20211231" decimals="-3" name="us-gaap:DeferredTaxAssetsStateTaxes" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpkZTllOWZkM2IxYWQ0ZDVlOGRlYjE0YTljMTJkNjg4NS90YWJsZXJhbmdlOmRlOWU5ZmQzYjFhZDRkNWU4ZGViMTRhOWMxMmQ2ODg1XzEtMS0xLTEtMA_f0eaa905-612b-423d-8db9-8020903916c4">23,060</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">to</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2041</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Research and development</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if6f2cf9bcf3942ef91d53d9f5057c272_I20211231" decimals="-3" name="us-gaap:DeferredTaxAssetsStateTaxes" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpkZTllOWZkM2IxYWQ0ZDVlOGRlYjE0YTljMTJkNjg4NS90YWJsZXJhbmdlOmRlOWU5ZmQzYjFhZDRkNWU4ZGViMTRhOWMxMmQ2ODg1XzItMS0xLTEtMA_a71ea727-e79b-4cfb-883d-f785ce094314">282</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">No expiration</span></td></tr></table></div></ix:nonNumeric><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, we had a $<ix:nonFraction unitRef="usd" contextRef="i0e8c5f41a82c4d0a97d42bb30f555bf3_I20211231" decimals="-3" name="us-gaap:TaxCreditCarryforwardValuationAllowance" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzgwMjY_a4fcbeb8-5285-4270-afae-943a721fa5aa">13.6</ix:nonFraction> million valuation allowance against the state ITC carryforwards. Our 2021 analysis of the ability to utilize such ITC resulted in a $<ix:nonFraction unitRef="usd" contextRef="ib78080e363ca43e686c3c8d61dcbd91a_D20210101-20211231" decimals="-3" name="us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzgxNTQ_ea6fdd40-4de6-4404-8d07-cd78326636b7">0.8</ix:nonFraction>&#160;million increase in the valuation allowance, which resulted in an increase to tax expense of $<ix:nonFraction unitRef="usd" contextRef="ib78080e363ca43e686c3c8d61dcbd91a_D20210101-20211231" decimals="-3" name="us-gaap:IncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="6" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzgyNDI_61e39cc0-0986-4e19-b3d1-80e88e771d87">0.8</ix:nonFraction>&#160;million. The valuation allowance adjustment was primarily attributable to changes in forecasted future state taxable income.</span></div></ix:continuation><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_223"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(16)&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:SegmentReportingDisclosureTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90ZXh0cmVnaW9uOjRjYTBmYzkzM2RiNTQ5MjViYzMzZGE5ZDJlMGUyYjE4XzEwOTI_9ff67e2c-8084-43cf-af89-1266d54cb7a5" continuedAt="i05855baa5d554a4fa894de418b2c07b6" escape="true">BUSINESS SEGMENT INFORMATION</ix:nonNumeric></span></div><div style="padding-left:36pt"><span><br/></span></div><ix:continuation id="i05855baa5d554a4fa894de418b2c07b6" continuedAt="ife5d56cc88e64bca83f5cb765fa0ac0c"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our chief operating decision maker (CODM) reviews financial information presented on an operating segment basis for purposes of making decisions and assessing financial performance. Our CODM assesses the performance of our operating segments based on operating income.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In the prior year, we had reported four operating segments: Electric Utilities, Gas Utilities, Power Generation and Mining. In the fourth quarter of 2021, we changed our operating segments to align with the revised manner in which our CODM reviews our financial performance and allocates resources. Our power generation and mining businesses, which were previously presented as separate operating segments, are now part of our Electric Utilities segment. This change aligns with our vertically integrated business model for our Electric Utilities. Comparative periods presented reflect this change.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our operating segments are equivalent to our reportable segments.</span></div><div><span><br/></span></div><ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90ZXh0cmVnaW9uOjRjYTBmYzkzM2RiNTQ5MjViYzMzZGE5ZDJlMGUyYjE4XzEwODc_bdd51ad6-7b9f-4129-b8a8-56ccc8c06858" continuedAt="i13798fa4099e4a468a8b69b5154f2082" escape="true"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Segment information was as follows (in thousands):</span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:71.707%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.496%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.497%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Assets (net of intercompany eliminations) as of December 31, </span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i0609557764b044beb7a87ead1635f403_I20211231" decimals="-3" name="us-gaap:Assets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo5MDQxNWFjZjE4NmE0ZTFmODdlNjJhZTNiNmRjYjkxZS90YWJsZXJhbmdlOjkwNDE1YWNmMTg2YTRlMWY4N2U2MmFlM2I2ZGNiOTFlXzEtMS0xLTEtMA_a99ec74f-2991-4e6c-a261-75e71becca01">3,796,662</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i12add50d78164b10898a9724c9793b15_I20201231" decimals="-3" name="us-gaap:Assets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo5MDQxNWFjZjE4NmE0ZTFmODdlNjJhZTNiNmRjYjkxZS90YWJsZXJhbmdlOjkwNDE1YWNmMTg2YTRlMWY4N2U2MmFlM2I2ZGNiOTFlXzEtMi0xLTEtMA_5f3d1aaa-b1ca-4613-8380-62ce676e1f50">3,602,233</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i08c3f7d9b1e746b68627255476884949_I20211231" decimals="-3" name="us-gaap:Assets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo5MDQxNWFjZjE4NmE0ZTFmODdlNjJhZTNiNmRjYjkxZS90YWJsZXJhbmdlOjkwNDE1YWNmMTg2YTRlMWY4N2U2MmFlM2I2ZGNiOTFlXzItMS0xLTEtMA_a33c608a-fa6d-4ec2-8dc2-26ae0e841508">5,246,370</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if3e83467458a4d4abf7e4578cc826133_I20201231" decimals="-3" name="us-gaap:Assets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo5MDQxNWFjZjE4NmE0ZTFmODdlNjJhZTNiNmRjYjkxZS90YWJsZXJhbmdlOjkwNDE1YWNmMTg2YTRlMWY4N2U2MmFlM2I2ZGNiOTFlXzItMi0xLTEtMA_04c64d99-955d-4314-87fd-db39dd2cc2c3">4,376,204</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Corporate and Other</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3867fed908a64772b4874b87a381e11a_I20211231" decimals="-3" name="us-gaap:Assets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo5MDQxNWFjZjE4NmE0ZTFmODdlNjJhZTNiNmRjYjkxZS90YWJsZXJhbmdlOjkwNDE1YWNmMTg2YTRlMWY4N2U2MmFlM2I2ZGNiOTFlXzUtMS0xLTEtMA_449523de-04ff-48b2-9a3b-4a35db5456db">88,864</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6c229262e42b4dc2859eedfb1983432e_I20201231" decimals="-3" name="us-gaap:Assets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo5MDQxNWFjZjE4NmE0ZTFmODdlNjJhZTNiNmRjYjkxZS90YWJsZXJhbmdlOjkwNDE1YWNmMTg2YTRlMWY4N2U2MmFlM2I2ZGNiOTFlXzUtMi0xLTEtMA_d075cd82-36b3-49d5-82cc-f17f768ce5e8">110,349</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total assets</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231" decimals="-3" name="us-gaap:Assets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo5MDQxNWFjZjE4NmE0ZTFmODdlNjJhZTNiNmRjYjkxZS90YWJsZXJhbmdlOjkwNDE1YWNmMTg2YTRlMWY4N2U2MmFlM2I2ZGNiOTFlXzYtMS0xLTEtMA_216f67f2-2006-4303-9660-2ae5fd73a06a">9,131,896</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231" decimals="-3" name="us-gaap:Assets" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo5MDQxNWFjZjE4NmE0ZTFmODdlNjJhZTNiNmRjYjkxZS90YWJsZXJhbmdlOjkwNDE1YWNmMTg2YTRlMWY4N2U2MmFlM2I2ZGNiOTFlXzYtMi0xLTEtMA_355d0d2e-4dac-4fd4-bd9a-85c591038e8c">8,088,786</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:nonNumeric></ix:continuation><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">111</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="ife5d56cc88e64bca83f5cb765fa0ac0c" continuedAt="i96a399da2fca47429bf958f838e3f500"><ix:continuation id="i13798fa4099e4a468a8b69b5154f2082"><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:58.110%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.496%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.496%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.498%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Capital Expenditures </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> for the years ended December 31, </span></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic841d80666414872a276b619c956c2da_D20210101-20211231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplNjkxOGUwNzAyMGE0NGFiYmYxZDU4ZGFkMDBhNDhkZS90YWJsZXJhbmdlOmU2OTE4ZTA3MDIwYTQ0YWJiZjFkNThkYWQwMGE0OGRlXzEtMS0xLTEtMA_108ba6b6-c5b5-4860-ab1b-f9103e64b72d">285,770</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1edf0cfad3148bc9d3392d2c4e77925_D20200101-20201231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplNjkxOGUwNzAyMGE0NGFiYmYxZDU4ZGFkMDBhNDhkZS90YWJsZXJhbmdlOmU2OTE4ZTA3MDIwYTQ0YWJiZjFkNThkYWQwMGE0OGRlXzEtMi0xLTEtMA_63e8c82c-9fb7-46ed-ac46-ecb05d338b40">288,683</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib0c905f7837e4d9e98ec3808d38fb694_D20190101-20191231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplNjkxOGUwNzAyMGE0NGFiYmYxZDU4ZGFkMDBhNDhkZS90YWJsZXJhbmdlOmU2OTE4ZTA3MDIwYTQ0YWJiZjFkNThkYWQwMGE0OGRlXzEtMy0xLTEtNzU4MjA_a1756f05-f73e-44e1-b0ec-56cfc33cf5e0">316,687</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3bc3dd7528344ba89dbc972201c6d813_D20210101-20211231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplNjkxOGUwNzAyMGE0NGFiYmYxZDU4ZGFkMDBhNDhkZS90YWJsZXJhbmdlOmU2OTE4ZTA3MDIwYTQ0YWJiZjFkNThkYWQwMGE0OGRlXzItMS0xLTEtMA_5e06ee26-711d-4aa0-a91a-26af9f74c058">383,320</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic49698474f464cebb7e741f10e76bb34_D20200101-20201231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplNjkxOGUwNzAyMGE0NGFiYmYxZDU4ZGFkMDBhNDhkZS90YWJsZXJhbmdlOmU2OTE4ZTA3MDIwYTQ0YWJiZjFkNThkYWQwMGE0OGRlXzItMi0xLTEtMA_e1053e2c-b3b2-4f31-807a-62c49c231431">449,209</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9b3773fc48344ff184b5fa3932666fc0_D20190101-20191231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplNjkxOGUwNzAyMGE0NGFiYmYxZDU4ZGFkMDBhNDhkZS90YWJsZXJhbmdlOmU2OTE4ZTA3MDIwYTQ0YWJiZjFkNThkYWQwMGE0OGRlXzItMy0xLTEtNzU4MjA_dc05be83-a004-4fa7-ad6e-c893867ecc69">512,366</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Corporate and Other</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6863a6748d3d486ab5120640fea95dbd_D20210101-20211231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplNjkxOGUwNzAyMGE0NGFiYmYxZDU4ZGFkMDBhNDhkZS90YWJsZXJhbmdlOmU2OTE4ZTA3MDIwYTQ0YWJiZjFkNThkYWQwMGE0OGRlXzUtMS0xLTEtMA_cbf3c196-8859-4ef0-8724-9312cea7fadc">10,500</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1eb4d669fbd048aead3560586fc4ca62_D20200101-20201231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplNjkxOGUwNzAyMGE0NGFiYmYxZDU4ZGFkMDBhNDhkZS90YWJsZXJhbmdlOmU2OTE4ZTA3MDIwYTQ0YWJiZjFkNThkYWQwMGE0OGRlXzUtMi0xLTEtMA_e5d90017-4ce4-4d73-85c6-89cf9508babc">17,500</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ife43bb95a8ef406fae959f187d6a8a2e_D20190101-20191231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplNjkxOGUwNzAyMGE0NGFiYmYxZDU4ZGFkMDBhNDhkZS90YWJsZXJhbmdlOmU2OTE4ZTA3MDIwYTQ0YWJiZjFkNThkYWQwMGE0OGRlXzMtMy0xLTEtNzU4MjM_7ad837ae-3757-423a-9f8d-08006150151c">20,702</ix:nonFraction>&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total capital expenditures</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplNjkxOGUwNzAyMGE0NGFiYmYxZDU4ZGFkMDBhNDhkZS90YWJsZXJhbmdlOmU2OTE4ZTA3MDIwYTQ0YWJiZjFkNThkYWQwMGE0OGRlXzYtMS0xLTEtMA_e0fcd855-723a-40e7-a6d5-9cba62a5e2f1">679,590</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplNjkxOGUwNzAyMGE0NGFiYmYxZDU4ZGFkMDBhNDhkZS90YWJsZXJhbmdlOmU2OTE4ZTA3MDIwYTQ0YWJiZjFkNThkYWQwMGE0OGRlXzYtMi0xLTEtMA_a182246c-3f80-41ce-9ad9-fc1e4c2a0c89">755,392</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplNjkxOGUwNzAyMGE0NGFiYmYxZDU4ZGFkMDBhNDhkZS90YWJsZXJhbmdlOmU2OTE4ZTA3MDIwYTQ0YWJiZjFkNThkYWQwMGE0OGRlXzQtMy0xLTEtNzU4Mjg_721494a6-83fe-404b-be63-b3cc98724578">849,755</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Includes accruals for property, plant and equipment as disclosed in the Supplemental Cash Flow Information to 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style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7d1609d29bb148599f3ba4c7179e5e72_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" 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decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzQtMi0xLTEtMA_5bff4559-d108-42c2-99c5-988beef3b696">1,105,430</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i14548c2f1eaa45f3a11af3090bbaa807_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzQtNy0xLTEtMA_21f890e0-6c2c-47af-a7f8-5d3ebdffaee8">1,930,834</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie635c13e343745bda6d412eabc540720_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzUtMS0xLTEtMA_59ebfeaf-0eaa-43c2-990e-7b9dcce66730">5,336</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 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1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia7e09dcef3314b7182c3ff6e602c7368_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzUtNy0xLTEtMA_c551071e-76bd-4e52-b917-08f64bae9d3a">18,268</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7d1609d29bb148599f3ba4c7179e5e72_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzYtMS0xLTEtMA_426dbd44-abba-4b63-8db1-ca7c19868b86">830,740</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9e52f0a98c9f43768cb2c93fde41614d_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzYtMi0xLTEtMA_be760110-ccf3-4ffc-8aff-82dc73fb9e3e">1,118,362</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i14548c2f1eaa45f3a11af3090bbaa807_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzYtNy0xLTEtMA_6de279d7-a0e8-4746-91d1-db038d2b8f1f">1,949,102</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Inter-company operating revenue -</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Contracts with customers</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i915f753d04c3451b8753bf76f8fb70e2_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzgtMS0xLTEtMA_6c493650-ec4a-4830-ac30-69f94fa5e560">11,518</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3ec80bfded434c0aa5b5e65d787b51db_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzgtMi0xLTEtMA_2ca063c1-b999-4d5c-9dae-213de2ae0010">6,110</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9e41d260bf4c4b6f95c142f038993b00_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzgtNS0xLTEtMA_2a0a71b7-b398-4d09-b1be-a473501c739a">196</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ic2ed5d33c80543dbb96d528b195edc99_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzgtNi0xLTEtMA_bdb17868-f132-4624-9598-bc448c354b19">17,824</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i467c7839c56040e28f5daecc7d8c7bd5_D20210101-20211231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzgtNy0xLTEtMA_ff03c89e-cfe2-43bb-bb08-b7a7cd7790d9">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia12d80d18512469ca580b2181ff48677_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzktMS0xLTEtMA_00c57e85-11d2-4a4f-b95d-ece4c9fb5088">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i2ca755454969439388ba1f83c5356d03_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzktMi0xLTEtMA_d5cd7d8b-0696-4b30-b723-1101257ba948">393</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i63272c6e553346a8babe2e0ac45fe0b0_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzktNS0xLTEtMA_90046d72-0243-42c9-9c67-223926104259">356,151</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i8ab156d46f334d0aad635f2b7e3456ad_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzktNi0xLTEtMA_bf7eb291-ee3d-43fb-a0e8-25f033bba603">356,544</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i40fe8c9981bc4ff18f903656d24818be_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzktNy0xLTEtMA_4f9b66ab-7506-4606-9a20-c33ab9ad454d">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i915f753d04c3451b8753bf76f8fb70e2_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzEwLTEtMS0xLTA_5299c4a6-6fee-406d-bd68-06c1a334f01c">11,518</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3ec80bfded434c0aa5b5e65d787b51db_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzEwLTItMS0xLTA_ee405763-faa0-4f44-b2fd-5187aabf2b6e">6,503</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9e41d260bf4c4b6f95c142f038993b00_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzEwLTUtMS0xLTA_d47b80cc-a6ac-4ba7-ab8b-e6a95fab6809">356,347</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="ic2ed5d33c80543dbb96d528b195edc99_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzEwLTYtMS0xLTA_7d53c517-8e83-4ffc-82d8-b47517e28210">374,368</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i467c7839c56040e28f5daecc7d8c7bd5_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzEwLTctMS0xLTA_5fe69009-f9ad-4116-b05a-29c1cba4d1b9">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total revenue</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic841d80666414872a276b619c956c2da_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzExLTEtMS0xLTA_9a514491-16a7-4164-a648-4e6febc128c1">842,258</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3bc3dd7528344ba89dbc972201c6d813_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzExLTItMS0xLTA_32c3a238-39e3-4483-b662-78826e04fb7a">1,124,865</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6863a6748d3d486ab5120640fea95dbd_D20210101-20211231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzExLTUtMS0xLTA_4eea4b3b-2e81-4bc2-a8fa-fcc6f94f9f15">356,347</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span 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style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic841d80666414872a276b619c956c2da_D20210101-20211231" decimals="-3" 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzEzLTItMS0xLTA_d691c594-a1e6-4863-9675-69458c164be6">494,738</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6863a6748d3d486ab5120640fea95dbd_D20210101-20211231" decimals="-3" name="bkh:FuelPurchasedPowerAndCostOfGasSold" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzEzLTUtMS0xLTA_0de1612d-4ef9-4187-917b-59ef3ab56354">96</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i955e485db61d4da9b65d1b6e63129913_D20210101-20211231" decimals="-3" sign="-" name="bkh:FuelPurchasedPowerAndCostOfGasSold" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzEzLTYtMS0xLTA_ba3b8434-e81e-45bb-ab48-48e90abc47f8">918</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="bkh:FuelPurchasedPowerAndCostOfGasSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzEzLTctMS0xLTA_a051f36d-ca88-4e8a-b0c5-7f93ff6b5b3f">741,934</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operations and maintenance, including taxes</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic841d80666414872a276b619c956c2da_D20210101-20211231" decimals="-3" name="us-gaap:CostsAndExpenses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzE0LTEtMS0xLTA_2c8c8045-217b-4164-855e-82c5af511383">260,036</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3bc3dd7528344ba89dbc972201c6d813_D20210101-20211231" decimals="-3" name="us-gaap:CostsAndExpenses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzE0LTItMS0xLTA_901d548e-f932-42d9-a589-691977632190">314,810</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6863a6748d3d486ab5120640fea95dbd_D20210101-20211231" decimals="-3" name="us-gaap:CostsAndExpenses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzE0LTUtMS0xLTA_81c0ba21-81c5-4508-bf28-774871007b67">293,265</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i955e485db61d4da9b65d1b6e63129913_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:CostsAndExpenses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzE0LTYtMS0xLTA_3da0b14f-870f-4f12-860a-7fed113130c4">306,325</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:CostsAndExpenses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzE0LTctMS0xLTA_8669f3a5-5031-426e-9275-be73e9a6542b">561,786</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Depreciation, depletion and amortization</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzE1LTUtMS0xLTA_49a02053-23da-4cd4-b89a-9f4f4d283515">26,838</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i955e485db61d4da9b65d1b6e63129913_D20210101-20211231" decimals="-3" sign="-" name="us-gaap:DepreciationDepletionAndAmortization" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzE1LTYtMS0xLTA_8f9624ec-624c-443b-b84f-87fa8e299753">26,573</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:DepreciationDepletionAndAmortization" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzE1LTctMS0xLTA_ea29e2d8-6478-40fa-a29e-c0ee6cfe4686">235,953</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operating income (loss)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td 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#000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i3bc3dd7528344ba89dbc972201c6d813_D20210101-20211231" decimals="-3" name="bkh:AdjustedOperatingIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzE2LTItMS0xLTA_bd9a06c8-6b77-42b9-8466-8ca2acecb8c5">211,157</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i6863a6748d3d486ab5120640fea95dbd_D20210101-20211231" decimals="-3" name="bkh:AdjustedOperatingIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzE2LTUtMS0xLTA_aef1c14d-321a-46ae-832c-93a945757ad3">36,148</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:OperatingIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzE2LTctMS0xLTA_1a406b1b-c56a-4629-ab1f-9d388165d4f4">409,429</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest expense, net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:InterestExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzE4LTctMS0xLTA_281d7ce3-5435-4bbe-89fb-9afae9a08fa6">152,404</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Impairment of investment</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:OtherAssetImpairmentCharges" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzE5LTctMS0xLTA_edf2be8b-f7ab-4c11-b17b-f618bcc13d2e">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other income (expense), net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:OtherNonoperatingIncomeExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzIwLTctMS0xLTA_3895cd40-9482-45f6-afb0-ac635ddaee43">1,404</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Income tax benefit (expense)</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:IncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzIxLTctMS0xLTA_ee007781-67f0-481b-83f3-72fabee33593">7,169</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzI0LTctMS0xLTA_0ae67e04-25b8-4748-8814-1a9bb240fde8">251,260</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income attributable to non-controlling interest</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzI1LTctMS0xLTA_263a05e5-79c6-48d6-bc12-ffb533ae9349">14,516</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income available for common stock</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" decimals="-3" name="us-gaap:NetIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTplODYzNTJmZTA4Mjc0MDY2OTNiZjI3OTE4N2ZjMzg3MS90YWJsZXJhbmdlOmU4NjM1MmZlMDgyNzQwNjY5M2JmMjc5MTg3ZmMzODcxXzI2LTctMS0xLTA_ae1c7863-cda5-4a35-a5da-c5909fcd9cf9">236,744</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></ix:nonNumeric></div></ix:continuation><div><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">112</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><ix:continuation id="i96a399da2fca47429bf958f838e3f500"><ix:continuation id="i1339d826aef34204b0acd7496714381c"><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:38.227%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.034%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.034%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.034%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.034%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.037%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Consolidating Income Statement</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Year ended December 31, 2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Corporate</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Inter-Company Eliminations</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total</span></td></tr><tr style="height:5pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="15" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Revenue -</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Contracts with customers</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie20fa2853fb942f6a8e95f59930d2fb5_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzQtMS0xLTEtMA_4703a281-e775-421d-aecf-90b33efe689b">721,108</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7b28618cc2204af5888e4cfd499172cf_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzQtMi0xLTEtMA_958ea166-d92a-4e2f-bfbb-aa1cf113515f">959,696</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i222fd250ea1b46748cf6cd66fd484438_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzQtNy0xLTEtMA_62f2199c-f29d-4dea-9f06-d41c21dbb551">1,680,804</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 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2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib9e848d8d2534c07b68c09de3c5f0c21_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzUtMi0xLTEtMA_15e3fc0d-421f-4054-b637-fc998c256660">9,962</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i235a62dae94d49ce8bc8eea69da64bec_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzUtNy0xLTEtMA_e4d84c42-46f0-4639-a708-eed76d881334">16,137</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie20fa2853fb942f6a8e95f59930d2fb5_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzYtMS0xLTEtMA_55c831e1-ae86-4f14-9cb2-503a0cccd4a8">727,283</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7b28618cc2204af5888e4cfd499172cf_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzYtMi0xLTEtMA_79eb0462-d91e-44b2-887b-d358e2238b7d">969,658</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i222fd250ea1b46748cf6cd66fd484438_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzYtNy0xLTEtMA_2737215f-a64d-4a86-a530-0d8d2239661b">1,696,941</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Inter-company operating revenue -</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Contracts with customers</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ica966bb935444d2bbf95f8dadb8e3ceb_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzgtMS0xLTEtMA_5e26ec65-2dd7-4d1e-bb9c-29392e6f9468">11,574</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1183796049d84061a65ed158991f0140_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzgtMi0xLTEtMA_d685422c-d50d-4588-9787-11a7ebaea86c">4,724</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if6311e5814fd4967bbfccee6df54aadf_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzgtNS0xLTEtMA_c8e53bed-eb32-40bc-95b8-dc268ca88174">167</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i46d4ddbcb34d4869bc6c7d210ac83c8f_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzgtNi0xLTEtMA_db578372-f2c7-4acc-9fb2-513a138a267b">16,465</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i25c8a8bb37334959bcc5a91fd722d107_D20200101-20201231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzgtNy0xLTEtMA_6927cba0-11c8-43e9-8bda-cff89492cebe">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzktMi0xLTEtMA_f2a49cd6-8d81-42fc-8c8f-cc107608cc6d">288</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie06ba954fa814801a2ef85bfd0b88016_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzktNS0xLTEtMA_46afcf1f-a85d-4b65-9aaf-4a24b8146146">352,976</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i8953f6cbad314f4fbc6556444aeabf10_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzktNi0xLTEtMA_e1fa374d-3b80-40fe-ba28-d00cdad2e1e8">353,264</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="iae505ffb9ce6457d9ee2f78ab0d879c9_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzktNy0xLTEtMA_e50c238e-dc21-416b-9899-9d79e824faed">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ica966bb935444d2bbf95f8dadb8e3ceb_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzEwLTEtMS0xLTA_f5f5f863-5537-456c-bd43-ebb321177348">11,574</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1183796049d84061a65ed158991f0140_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzEwLTItMS0xLTA_73fcde00-5837-4161-8b62-1bb561aca1b5">5,012</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if6311e5814fd4967bbfccee6df54aadf_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzEwLTUtMS0xLTA_5634840a-a89c-47b0-9798-2b89f961d7a3">353,143</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i46d4ddbcb34d4869bc6c7d210ac83c8f_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzEwLTYtMS0xLTA_81581d23-99c2-4591-b3ad-4c11f14f4b26">369,729</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i25c8a8bb37334959bcc5a91fd722d107_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzEwLTctMS0xLTA_2b105961-96fd-4dca-b048-23b7e34d7390">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total revenue</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1edf0cfad3148bc9d3392d2c4e77925_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzExLTEtMS0xLTA_219d29bc-7324-490f-99e7-3fbe7ebf5504">738,857</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic49698474f464cebb7e741f10e76bb34_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzExLTItMS0xLTA_ab4b5f85-dc2c-4618-85bb-6e74c18fcf95">974,670</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1eb4d669fbd048aead3560586fc4ca62_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzExLTUtMS0xLTA_545c6240-53cd-4aaa-b659-0dce7008d1ce">353,143</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i46d4ddbcb34d4869bc6c7d210ac83c8f_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzExLTYtMS0xLTA_35f05481-c35d-4941-ac8f-df463767a84a">369,729</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzExLTctMS0xLTA_1e3a6bb6-965f-41af-bda9-8ee141b18eba">1,696,941</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1edf0cfad3148bc9d3392d2c4e77925_D20200101-20201231" decimals="-3" name="bkh:FuelPurchasedPowerAndCostOfGasSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzEzLTEtMS0xLTA_7af624c2-91ea-4cbe-8542-0b4bc6990fea">138,572</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ic49698474f464cebb7e741f10e76bb34_D20200101-20201231" decimals="-3" name="bkh:FuelPurchasedPowerAndCostOfGasSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzEzLTItMS0xLTA_0f1b7965-2757-47ad-b112-78beab83353b">354,645</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1eb4d669fbd048aead3560586fc4ca62_D20200101-20201231" decimals="-3" name="bkh:FuelPurchasedPowerAndCostOfGasSold" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzEzLTUtMS0xLTA_ffe07ebd-c0ff-4753-b85e-b360e14cba9f">83</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i756b4d7717a74d60beb65398363838db_D20200101-20201231" decimals="-3" sign="-" name="bkh:FuelPurchasedPowerAndCostOfGasSold" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzEzLTYtMS0xLTA_d791025d-7ac4-4427-a29a-25d5cf03408e">896</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="bkh:FuelPurchasedPowerAndCostOfGasSold" format="ixt:num-dot-decimal" scale="3" 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name="us-gaap:CostsAndExpenses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzE0LTItMS0xLTA_457b719b-d6b9-453b-b7eb-6b3bb0c17dd7">303,577</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1eb4d669fbd048aead3560586fc4ca62_D20200101-20201231" decimals="-3" name="us-gaap:CostsAndExpenses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzE0LTUtMS0xLTA_706de1f5-85a8-4900-b6cf-a365830f0d6f">284,501</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i756b4d7717a74d60beb65398363838db_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:CostsAndExpenses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzE0LTYtMS0xLTA_084dada7-4205-4f54-a471-f4a55eb5512d">301,980</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:CostsAndExpenses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzE0LTctMS0xLTA_cd8adfc0-fb88-4ada-ba86-8ee0f42831f0">551,777</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Depreciation, depletion and amortization</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction 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name="us-gaap:DepreciationDepletionAndAmortization" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzE1LTItMS0xLTA_e8b79e13-3a6b-4caa-be49-c6d0c18f92f5">100,559</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1eb4d669fbd048aead3560586fc4ca62_D20200101-20201231" decimals="-3" name="us-gaap:DepreciationDepletionAndAmortization" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzE1LTUtMS0xLTA_49a441a5-379c-4224-8e85-3cb17d6eff1c">25,150</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i756b4d7717a74d60beb65398363838db_D20200101-20201231" decimals="-3" sign="-" name="us-gaap:DepreciationDepletionAndAmortization" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzE1LTYtMS0xLTA_77fe5ac4-c8cf-435a-9e57-3ffefa608610">24,884</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:DepreciationDepletionAndAmortization" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzE1LTctMS0xLTA_ff2e266a-1798-4aa6-8be7-28604eeb7cc3">224,457</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operating income (loss)</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1eb4d669fbd048aead3560586fc4ca62_D20200101-20201231" decimals="-3" name="bkh:AdjustedOperatingIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzE2LTUtMS0xLTA_34872522-6417-4435-b77c-f622193de44c">43,409</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:OperatingIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzE2LTctMS0xLTA_316df62d-cff1-49d5-8d9f-f407369c2e6b">428,303</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest expense, net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:InterestExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzE4LTctMS0xLTA_95dfa7b7-870b-467c-a649-a4d90d64f625">143,470</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Impairment of investment</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:OtherAssetImpairmentCharges" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzE5LTctMS0xLTA_bd93a0c3-7730-47cc-93a4-20b335bf235b">6,859</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other income (expense), net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzIxLTctMS0xLTA_273d55a6-aef3-4305-99d3-16df64517c35">32,918</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzI0LTctMS0xLTA_28e08292-bba8-4789-b54f-72cbc76f3e3b">242,763</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income attributable to non-controlling interest</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzI1LTctMS0xLTA_c9afb3d8-a7b8-42f1-8c59-b93e8027a730">15,155</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income available for common stock</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231" decimals="-3" name="us-gaap:NetIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo0MTFmNzE2YjMxMTA0ZmE5ODdkMTM4ZTVlODRjY2NiOS90YWJsZXJhbmdlOjQxMWY3MTZiMzExMDRmYTk4N2QxMzhlNWU4NGNjY2I5XzI2LTctMS0xLTA_8ce6bbb3-4d15-463a-b000-33cfd1ea219f">227,608</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:38.227%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.034%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.034%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.034%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.034%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:11.037%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Consolidating Income Statement</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Year ended December 31, 2019</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span 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1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia9e46fc0a59f43ed99a0c2669c965a54_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzUtNy0xLTEtMA_1818dea1-933f-4e14-aa57-c7f3cff1f90d">8,508</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ia193ac468b7c46d2b128acf7ccb502dc_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzgtMS0xLTEtMA_fa9188f8-f717-4c7c-8014-810eedfdcdfd">12,026</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib28bed2c2e324b119d21371f39bc7a39_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzgtMi0xLTEtMA_02269f0a-59f0-41f9-abb5-36007de94d34">2,459</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i22d3a20c50084834818de2737a59718b_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzgtNS0xLTEtMA_e796865e-03ca-4a14-b5c1-ea0c3a86f440">230</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i38b693dfa1d44b54801ce72ea60da31e_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzgtNi0xLTEtMA_36676ce9-b37b-492e-b919-8761c6ad18eb">14,715</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie8b1dc4b05154db2bd81d90a55de31bb_D20190101-20191231" decimals="-3" name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzgtNy0xLTEtMA_c88463a5-06ae-45c0-80c8-c118fca08a9d">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7426113d84354d53a56d27a100e0375f_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzktMS0xLTEtMA_26a8311a-76a0-4175-9981-0a0cb521d3ca">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="if3a435ca08eb450c9c230dacac42c8c0_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzktMi0xLTEtMA_9bd5e549-9b5d-4a84-8eda-5260ce137e89">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i5f588d6a44f54d47a130f898d8922013_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzktNS0xLTEtMA_e3ec62d0-783a-44a0-a44e-3c0644852e2a">343,974</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i23e8ab2302a44d9fbb29691ac63d5b75_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzktNi0xLTEtMA_5e563132-8b3f-4e75-b45b-826ba1e3b61a">343,974</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ifca2445e192241b4b99a85ec9e41c7cf_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzktNy0xLTEtMA_bcb48fa9-2a29-49b1-88cb-c880105e02f1">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i7f713b0366be446a81ba4954d7132e71_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzEwLTEtMS0xLTA_5ea8d935-c9b7-496a-b259-679da5681f74">12,026</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib28bed2c2e324b119d21371f39bc7a39_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzEwLTItMS0xLTA_9fa081a4-c95a-444c-ab43-2a728fc293e6">2,459</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i22d3a20c50084834818de2737a59718b_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzEwLTUtMS0xLTA_0c43fc7c-6fbe-4f91-8b5e-34e227ce4786">344,204</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i38b693dfa1d44b54801ce72ea60da31e_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzEwLTYtMS0xLTA_4462f77d-7634-4513-88df-09b640ad8559">358,689</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ie8b1dc4b05154db2bd81d90a55de31bb_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:fixed-zero" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzEwLTctMS0xLTA_f770b7c2-ce63-4e0b-a0d8-4e6bc0d6dcef">&#8212;</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total revenue</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib0c905f7837e4d9e98ec3808d38fb694_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzExLTEtMS0xLTA_d58ac1c8-b5f6-472f-80e4-3466d03c7eb7">739,355</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9b3773fc48344ff184b5fa3932666fc0_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzExLTItMS0xLTA_d723a423-4e08-49fa-8af2-25b4a4818f41">1,010,030</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ife43bb95a8ef406fae959f187d6a8a2e_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzExLTUtMS0xLTA_18145420-6966-4a6d-8948-30cb91b0641e">344,204</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i38b693dfa1d44b54801ce72ea60da31e_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzExLTYtMS0xLTA_1a16e56e-b1d1-4759-8d91-991dc8b05383">358,689</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:Revenues" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzExLTctMS0xLTA_aec88c7e-b42e-4c34-9e68-aef385d63c9a">1,734,900</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib0c905f7837e4d9e98ec3808d38fb694_D20190101-20191231" decimals="-3" name="bkh:FuelPurchasedPowerAndCostOfGasSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzEzLTEtMS0xLTA_bbac4b67-7115-4bd5-aca2-3bfbb09cc2e7">145,972</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9b3773fc48344ff184b5fa3932666fc0_D20190101-20191231" decimals="-3" name="bkh:FuelPurchasedPowerAndCostOfGasSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzEzLTItMS0xLTA_bfbf9fb0-31cf-4ee3-abe2-844eed65e5e2">425,898</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ife43bb95a8ef406fae959f187d6a8a2e_D20190101-20191231" decimals="-3" name="bkh:FuelPurchasedPowerAndCostOfGasSold" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzEzLTUtMS0xLTA_ef477e35-2496-4a5a-b2cf-f12c4b6ef54c">269</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="if004cfc150d947b7a30ebe35acc070ee_D20190101-20191231" decimals="-3" sign="-" name="bkh:FuelPurchasedPowerAndCostOfGasSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzEzLTYtMS0xLTA_41389b86-a415-4534-ae54-ed586e5f747b">1,310</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="bkh:FuelPurchasedPowerAndCostOfGasSold" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzEzLTctMS0xLTA_704b491e-b627-47c5-a71b-db2160f4909c">570,829</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operations and maintenance, including taxes</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ib0c905f7837e4d9e98ec3808d38fb694_D20190101-20191231" decimals="-3" name="us-gaap:CostsAndExpenses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzE0LTEtMS0xLTA_b80f7fed-6349-4758-92b2-164505273e57">259,167</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9b3773fc48344ff184b5fa3932666fc0_D20190101-20191231" decimals="-3" name="us-gaap:CostsAndExpenses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzE0LTItMS0xLTA_f6ca39d3-502e-4860-933f-82493c1fdc99">301,844</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ife43bb95a8ef406fae959f187d6a8a2e_D20190101-20191231" decimals="-3" name="us-gaap:CostsAndExpenses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzE0LTUtMS0xLTA_9c23348a-eb63-406e-8a4e-83ec8f0c8137">286,800</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="if004cfc150d947b7a30ebe35acc070ee_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:CostsAndExpenses" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzE0LTYtMS0xLTA_58c59b3b-2b7e-4e8e-96ad-451937dc9663">298,902</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:CostsAndExpenses" format="ixt:num-dot-decimal" scale="3" 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id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzE1LTUtMS0xLTA_98d51286-24ed-4518-8684-a7a8e158e290">22,065</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="if004cfc150d947b7a30ebe35acc070ee_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:DepreciationDepletionAndAmortization" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzE1LTYtMS0xLTA_81fc6e82-659d-4319-a330-dd0dab95c4cb">21,801</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:DepreciationDepletionAndAmortization" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzE1LTctMS0xLTA_66317a30-c899-4552-bb7a-edeedc842522">209,120</ix:nonFraction>&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operating income (loss)</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i9b3773fc48344ff184b5fa3932666fc0_D20190101-20191231" decimals="-3" name="bkh:AdjustedOperatingIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzE2LTItMS0xLTA_55c654a6-b496-4f50-8f42-aa4c7ac1aa18">189,971</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="ife43bb95a8ef406fae959f187d6a8a2e_D20190101-20191231" decimals="-3" name="bkh:AdjustedOperatingIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzE2LTUtMS0xLTA_67d3fd0b-9ea3-49e9-8f37-4b1763c21427">35,070</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="if004cfc150d947b7a30ebe35acc070ee_D20190101-20191231" decimals="-3" sign="-" name="bkh:AdjustedOperatingIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzE2LTYtMS0xLTA_65174a88-c35b-4ecd-9999-24a2c32ea743">36,676</ix:nonFraction>)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:OperatingIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzE2LTctMS0xLTA_bbf2d897-bff5-4fc0-95f4-07a9693e416e">406,042</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest expense, net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Impairment of investment</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:OtherAssetImpairmentCharges" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzE5LTUtMS0xLTc4OTg2_a899cb17-f01a-40f0-810e-d53e76e3e950">19,741</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other income (expense), net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" sign="-" name="us-gaap:OtherNonoperatingIncomeExpense" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzE5LTctMS0xLTA_8906e6cb-e0a7-4d0c-8a64-b6730b1d0b6e">5,740</ix:nonFraction>)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Income tax benefit (expense)</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:IncomeTaxExpenseBenefit" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzIwLTctMS0xLTA_f53e72bb-3491-4401-b292-f6999fc8ebf2">29,580</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:ProfitLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzIzLTctMS0xLTA_6b9c8595-3fda-4d70-a79b-7bc24c71279b">213,322</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income attributable to non-controlling interest</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(<ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzI0LTctMS0xLTA_2131ac65-9432-4ec5-bec8-2566cff5b1e3">14,012</ix:nonFraction>)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income available for common stock</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"><ix:nonFraction unitRef="usd" contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231" decimals="-3" name="us-gaap:NetIncomeLoss" format="ixt:num-dot-decimal" scale="3" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90YWJsZTo1ZjZhNWMwOWIxNTI0OGNhYTNmODU4NjUzNGEyZTJjZi90YWJsZXJhbmdlOjVmNmE1YzA5YjE1MjQ4Y2FhM2Y4NTg2NTM0YTJlMmNmXzI1LTctMS0xLTA_b8e21dda-b6bd-4f5c-b60e-b0859d5e78d6">199,310</ix:nonFraction>&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div></ix:continuation></ix:continuation><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">113</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="padding-left:13.5pt;text-indent:-13.5pt"><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_226"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(17)&#160;&#160;&#160;&#160;<ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="us-gaap:SubsequentEventsTextBlock" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjYvZnJhZzpjYmQ4ZDNkYjJlOTg0ZWJlOWFhN2I2NGRlYWU0ZGFlMS90ZXh0cmVnaW9uOmNiZDhkM2RiMmU5ODRlYmU5YWE3YjY0ZGVhZTRkYWUxXzIyMTY_e66784a3-ff4d-43f4-aa02-85651c9d2f1c" continuedAt="ie0de936cb5cf4e3abc5580bfc96dc5ce" escape="true">SUBSEQUENT EVENTS</ix:nonNumeric></span></div><div><span><br/></span></div><ix:continuation id="ie0de936cb5cf4e3abc5580bfc96dc5ce"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">Except as described below and in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_178">Note </a><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_178">3</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">, there have been no events subsequent to December 31, 2021 which would require recognition in the consolidated financial statements or disclosures.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:115%">Winter Storm Uri</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">On January 27, 2022, Kansas Gas received approval from the KCC for their Winter Storm Uri cost recovery settlement with final rates to be implemented in 2022. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_175">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%"> for additional information.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:115%">Transmission Service Agreements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">On January 1, 2022, Colorado Electric entered into a firm point-to-point transmission service agreement with Tri-State Generation and Transmission Association Inc. that provides a maximum of <ix:nonFraction unitRef="mw" contextRef="i69815a9675964f1b8cd551eced38aa63_I20220101" decimals="INF" name="bkh:NumberofMegawattsSoldUnderLongTermContract" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjYvZnJhZzpjYmQ4ZDNkYjJlOTg0ZWJlOWFhN2I2NGRlYWU0ZGFlMS90ZXh0cmVnaW9uOmNiZDhkM2RiMmU5ODRlYmU5YWE3YjY0ZGVhZTRkYWUxXzYwNDczMTM5NjY2MzQ_dcc4d6e3-9698-4dbb-8afc-1e2566a7f6f4">58</ix:nonFraction> MW of capacity and associated energy. This agreement expires December 31, 2024.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">On January 1, 2022, South Dakota Electric entered into a firm point-to-point transmission service agreement with MEAN that provides a maximum of <ix:nonFraction unitRef="mw" contextRef="i6d02a9484f5a409bb8f6c41c601b9b95_I20220101" decimals="INF" name="bkh:NumberofMegawattsSoldUnderLongTermContract" scale="0" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjYvZnJhZzpjYmQ4ZDNkYjJlOTg0ZWJlOWFhN2I2NGRlYWU0ZGFlMS90ZXh0cmVnaW9uOmNiZDhkM2RiMmU5ODRlYmU5YWE3YjY0ZGVhZTRkYWUxXzYwNDczMTM5NjY2Mzg_ca1400d6-d70c-4a9b-b5bd-6eeb373222e3">20</ix:nonFraction> MW of capacity and associated energy. This agreement expires December 31, 2023.</span></div></ix:continuation><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_229"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 9.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:37.04pt">CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">None.</span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_232"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 9A.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:29.82pt">CONTROLS AND PROCEDURES</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Disclosure Controls and Procedures</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Chief Executive Officer and Chief Financial Officer evaluated the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) of the Securities Exchange Act of 1934 (Exchange Act)) as of December 31, 2021.  Based on their evaluation, they have concluded that our disclosure controls and procedures are effective.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our disclosure controls and procedures are designed to ensure that information required to be disclosed by us in the reports that we file or submit under the Exchange Act, as amended, is recorded, processed, summarized and reported, within the time periods specified in the SEC&#8217;s rules and forms, and that such information is accumulated and communicated to our management, including our Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosure.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Changes in Internal Control over Financial Reporting</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">During the quarter ended December 31, 2021, there were no changes in the Company&#8217;s internal control over financial reporting (as defined in Rule 13a-15(f) under the Exchange Act) that have materially affected, or are reasonably likely to materially affect, the Company&#8217;s internal control over financial reporting.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Management&#8217;s Report on Internal Control over Financial Reporting is presented on Page </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_139">56</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_235"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 9B.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:29.82pt">OTHER INFORMATION</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">None.</span></div><div><span><br/></span></div><div style="padding-left:36pt"><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_2281"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 9C.&#160;&#160;&#160;&#160;DISCLOSURE REGARDING FOREIGN JURISDICTIONS THAT PREVENT INSPECTIONS</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">None.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">114</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_238"></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">PART III</span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_241"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 10.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:31.48pt">DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Information required under this item with respect to directors and information required by Items 401, 405, 406, 407(c)(3), 407(d)(4) and 407(d)(5) of Regulation S-K, is set forth in the Proxy Statement for our 2022 Annual Meeting of Shareholders, which is incorporated herein by reference. Information about our Executive Officers is reported in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_61">Part 1</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_244"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 11.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:31.48pt">EXECUTIVE COMPENSATION</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Information required under this item is set forth in the Proxy Statement for our 2022 Annual Meeting of Shareholders, which is incorporated herein by reference.</span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_247"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 12.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:31.48pt">SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Information regarding the security ownership of certain beneficial owners and management is set forth in the Proxy Statement for our 2022 Annual Meeting of Shareholders, which is incorporated herein by reference.</span></div><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_250"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 13.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:31.48pt">CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS AND DIRECTOR INDEPENDENCE</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Information regarding certain relationships and related transactions and director independence is set forth in the Proxy Statement for our 2022 Annual Meeting of Shareholders, which is incorporated herein by reference.</span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_253"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 14.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:31.48pt">PRINCIPAL ACCOUNTING FEES AND SERVICES</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Information regarding principal accounting fees and services billed to us by our principal accountant, Deloitte &amp; Touche LLP (PCAOB ID No. <ix:nonNumeric contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231" name="dei:AuditorFirmId" id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yNTMvZnJhZzo4MjJlM2U5NWViMjA0MzNhYTM3MmI2Mzg2OWNmYTZjMC90ZXh0cmVnaW9uOjgyMmUzZTk1ZWIyMDQzM2FhMzcyYjYzODY5Y2ZhNmMwXzYwNDczMTM5NTMxNjk_f5434d19-ac7d-43bd-8a9f-7cf5b3f37cf1">34</ix:nonNumeric>) is set forth in the Proxy Statement for our 2022 Annual Meeting to Shareholders, which is incorporated herein by reference.</span></div><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_256"></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">PART IV</span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_259"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 15.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:31.48pt">EXHIBITS, FINANCIAL STATEMENT SCHEDULES</span></div><div style="padding-left:36pt;text-indent:-54pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">(a) &#160;&#160;&#160;&#160;Documents filed as part of this report</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">1.&#160;&#160;&#160;&#160;Consolidated Financial Statements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Financial statements required under this item are included in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_136">Item 8</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of Part II</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">2.&#160;&#160;&#160;&#160;Schedules</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">All other schedules have been omitted because of the absence of the conditions under which they are required or because the required information is included in our consolidated financial statements and notes thereto. Consolidated valuation and qualifying accounts are detailed within </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_172">Note 1</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> of the Notes to the Consolidated Financial Statements in this Annual Report on Form 10-K.</span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_262"></div><div style="-sec-extract:summary;padding-left:36pt;text-indent:-36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">3.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;padding-left:28.5pt">Exhibits</span></div><div style="text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Exhibits filed herewithin are designated by an asterisk (*). All exhibits not so designated are incorporated by reference to a prior filing, as indicated. Items constituting a board of director or management compensatory plan are designated by a cross (&#8224;).</span></div><div><span><br/></span></div><div style="padding-left:18pt;padding-right:18pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:10.742%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:87.058%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Exhibit Number</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Description</span></td></tr><tr style="height:6pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.1</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046415000133/ex21purchaseandsaleagr.htm">Purchase and Sale Agreement by and among Alinda Gas Delaware LLC, Alinda Infrastructure Fund I, L.P. and Aircraft Services Corporation, as Sellers, and Black Hills Utility Holdings, Inc., as Buyer, dated as of July 12, 2015 (filed as Exhibit 2.1 to the Registrant&#8217;s Form 8-K filed on July 14, 2015).</a></span></div></td></tr></table></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="-sec-extract:summary;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">115</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="-sec-extract:summary"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="padding-left:18pt;padding-right:18pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:10.742%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:87.058%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.2</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046416000176/bkhex-221stamdpurchasesale.htm">First Amendment to Purchase and Sale Agreement effective December 10, 2015, by and among, Alinda Gas Delaware LLC, Alinda Infrastructure Fund I, L.P. and Aircraft Services Corporation, as Sellers, and Black Hills Utility Holdings, Inc., as Buyer (filed as Exhibit 2.2 to the Registrant&#8217;s Form 10-K for 2015).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.3</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046415000133/ex22optionagreement.htm">Option Agreement, by and among, Aircraft Services Corporation, as ASC, SourceGas Holdings LLC, as the Company and Black Hills Utility Holdings, Inc., as Buyer (filed as Exhibit 2.2 to the Registrant&#8217;s Form 8-K filed on July 14, 2015).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.1</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046418000007/bhcamendedarticles.htm">Restated Articles of Incorporation of the Registrant (filed as Exhibit 3 to the Registrant&#8217;s Form 8-K filed on February 5, 2018).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.2</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046417000016/bkhexh3-amdrestatedbylawso.htm">Amended and Restated Bylaws of the Registrant dated April 24, 2017 (filed as Exhibit 3 to the Registrant&#8217;s Form 8-K filed on April 28, 2017).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.1</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046403000214/ex4-1_10q603.htm">Indenture dated as of May 21, 2003 between the Registrant and Wells Fargo Bank, National Association (as successor to LaSalle Bank National Association), as Trustee (filed as Exhibit 4.1 to the Registrant&#8217;s Form 10-Q for the quarterly period ended June 30, 2003).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.1.1</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046403000214/ex4-2_10q603.htm">First Supplemental Indenture dated as of May 21, 2003 (filed as Exhibit 4.2 to the Registrant&#8217;s Form 10-Q for the quarterly period ended June 30, 2003).</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">  </span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.1.2</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000110465909032244/a09-13238_3ex4.htm">Second Supplemental Indenture dated as of May 14, 2009 (filed as Exhibit 4 to the Registrant&#8217;s Form 8-K filed on May 14, 2009).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.1.3</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000110465910038202/a10-11184_5ex4.htm">Third Supplemental Indenture dated as of July 16, 2010 (filed as Exhibit 4 to Registrant&#8217;s Form 8-K filed on July 15, 2010).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.1.4</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000110465913085420/a13-24110_4ex4.htm">Fourth Supplemental Indenture dated as of November 19, 2013 (filed as Exhibit 4 to the Registrant&#8217;s Form 8-K filed on November 18, 2013). </a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.1.5</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000110465916089656/a16-1059_4ex4d1.htm">Fifth Supplemental Indenture dated as of January&#160;13, 2016 (filed as Exhibit 4.1 to the Registrant&#8217;s Form 8-K filed on January 13, 2016).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.1.6</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000110465916140657/a16-17027_1ex4d1.htm">Sixth Supplemental Indenture dated as of August 19, 2016 (filed as Exhibit 4.1 to the Registrant&#8217;s Form 8-K filed on August 19, 2016).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.1.7</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000110465918052602/a18-18564_4ex4d2.htm">Seventh Supplemental Indenture dated as of August 17, 2018 (filed as Exhibit 4.2 to the Registrant&#8217;s Form 8-K filed on August 17, 2018).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.1.8</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000141057819001533/tv530573_ex4-1.htm">Eighth Supplemental Indenture dated as of October 3, 2019 (filed as Exhibit 4.1 to the Registrant&#8217;s Form 8-K filed on October 4, 2019).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.1.9</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="https://www.sec.gov/Archives/edgar/data/1130464/000110465920074172/tm2022285d4_ex4-1.htm">Ninth Supplemental Indenture dated as of June 17, 2020 (filed as Exhibit 4.1 to the Registrant&#8217;s Form 8-K filed on June 17, 2020).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.1.10</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="https://www.sec.gov/Archives/edgar/data/1130464/000110465921109815/tm2125215d4_ex4-1.htm">Tenth Supplemental Indenture dated as of August 26, 2021 (filed as Exhibit 4.1 to the Registrant&#8217;s Form 8-K filed on August 26, 2021).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.2</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/12400/000104746909009108/a2195001zex-4_19.htm">Restated and Amended Indenture of Mortgage and Deed of Trust of Black Hills Corporation (now called Black Hills Power, Inc.) dated as of September 1, 1999 (filed as Exhibit 4.19 to the Registrant&#8217;s Post-Effective Amendment No. 1 to the Registrant&#8217;s Registration Statement on Form S-3 (No. 333-150669)).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.2.1</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/12400/000104746909009108/a2195001zex-4_20.htm">First Supplemental Indenture, dated as of August 13, 2002, between Black Hills Power, Inc. and The Bank of New York Mellon (as successor to JPMorgan Chase Bank), as Trustee (filed as Exhibit 4.20 to the Registrant&#8217;s Post-Effective Amendment No. 1 to the Registrant&#8217;s Registration Statement on Form S&#8209;3 (No. 333&#8209;150669)).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.2.2</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/12400/000110465909060487/a09-31821_7ex4d21.htm">Second Supplemental Indenture, dated as of October 27, 2009, between Black Hills Power, Inc. and The Bank of New York Mellon (filed as Exhibit 4.21 to the Registrant&#8217;s Post-Effective Amendment No. 2 to the Registrant&#8217;s Registration Statement on Form S-3 (No. 333-150669)).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.2.3</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/12400/000113046414000164/ex_10-1thirdsuppindentureb.htm">Third Supplemental Indenture, dated as of October 1, 2014, between Black Hills Power, Inc. and The Bank of New York Mellon (filed as Exhibit 10.1 to the Registrant&#8217;s Form 8-K filed on October 2, 2014).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.3</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/12400/000113046414000164/ex_10-2restatedindenture.htm">Restated Indenture of Mortgage, Deed of Trust, Security Agreement and Financing Statement, amended and restated as of November 20, 2007, between Cheyenne Light, Fuel and Power Company and Wells Fargo Bank, National Association (filed as Exhibit 10.2 to the Registrant&#8217;s Form 8-K filed on October 2, 2014).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.3.1</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/12400/000113046414000164/ex_10-3clfpfirstsupplement.htm">First Supplemental Indenture, dated as of September 3, 2009, between Cheyenne Light, Fuel and Power Company and Wells Fargo Bank, National Association (filed as Exhibit 10.3 to the Registrant&#8217;s Form 8-K filed on October 2, 2014).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.3.2</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/12400/000113046414000164/ex_10-4clfpsupplementalind.htm">Second Supplemental Indenture, dated as of October 1, 2014, between Cheyenne Light, Fuel and Power Company and Wells Fargo Bank, National Association (filed as Exhibit 10.4 to the Registrant&#8217;s Form 8-K filed on October 2, 2014).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.4</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000001240001000024/0000012400-01-000024-0002.txt">Form of Stock Certificate for Common Stock, Par Value $1.00 Per Share (filed as Exhibit 4.2 to the Registrant&#8217;s Form 10-K for 2000).</a></span></div></td></tr></table></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="-sec-extract:summary;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">116</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="-sec-extract:summary"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="padding-left:18pt;padding-right:18pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:10.742%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:87.058%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.5</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="https://www.sec.gov/Archives/edgar/data/1130464/000113046420000006/bkhex-45descriptionofs.htm">Description of Securities (filed as Exhibit 4.5 to the Registrant's Form 10-K for 2019)</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.1&#8224;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046402000010/ex10_11.txt">Amended and Restated Pension Equalization Plan of Black Hills Corporation dated November 6, 2001 (filed as Exhibit 10.11 to the Registrant&#8217;s Form 10-K/A for 2001).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.1.1&#8224;</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046403000054/ex_amendpension10k.htm">First Amendment to Pension Equalization Plan (filed as Exhibit 10.10 to the Registrant&#8217;s Form 10-K for 2002).</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> </span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.1.2&#8224;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046409000099/ex10-2_pepamendment.htm">Grandfather Amendment to the Amended and Restated Pension Equalization Plan of Black Hills Corporation (filed as Exhibit 10.2 to the Registrant&#8217;s Form 10-K for 2008).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.2&#8224;</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046409000099/ex10-3_2005pepplan.htm">2005 Pension Equalization Plan of Black Hills Corporation (filed as Exhibit 10.3 to the Registrant&#8217;s Form 10-K for 2008).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.3&#8224;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046409000099/ex10-5_restorationplan.htm">Restoration Plan of Black Hills Corporation (filed as Exhibit 10.5 to the Registrant&#8217;s Form 10-K for 2008).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.3.1&#8224;</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046411000066/exhibit102.htm">First Amendment to the Restoration Plan of Black Hills Corporation dated July 24, 2011 (filed as Exhibit 10.2 to the Registrant&#8217;s Form 10-Q for the quarterly period ended June 30, 2011).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.4&#8224;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046411000027/exhibit104.htm">Black Hills Corporation Non-qualified Deferred Compensation Plan as Amended and Restated effective January 1, 2011 (filed as Exhibit 10.4 to the Registrant&#8217;s Form 10-K for 2010).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.4.1&#8224;</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046419000012/bkhex-105firstamendmentton.htm">First Amendment to the Black Hills Corporation Nonqualified Deferred Compensation Plan as Amended and Restated effective January 1, 2011 (filed as Exhibit 10.5 to the Registrant&#8217;s Form 10-K for 2018).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.5&#8224;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046419000012/bkhex-106bhcpostx2018nqdcp.htm">Black Hills Corporation Post-2018 Nonqualified Deferred Compensation Plan (filed as Exhibit 10.6 to the Registrant&#8217;s Form 10-K for 2018).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.6&#8224;</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000110465905016238/a05-6134_1def14a.htm">Black Hills Corporation 2005 Omnibus Incentive Plan (&#8221;Omnibus Plan&#8221;) (filed as Appendix A to the Registrant&#8217;s Proxy Statement filed April 13, 2005).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.6.1&#8224;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046409000099/ex10-11_2005omnibusplanamend.htm">First Amendment to the Omnibus Plan (filed as Exhibit 10.11 to the Registrant&#8217;s Form 10-K for 2008).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.6.2&#8224;</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046410000055/ex10_omnibusplan-2ndamend.htm">Second Amendment to the Omnibus Plan (filed as Exhibit 10 to the Registrant&#8217;s Form 8-K filed on May 26, 2010).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.7*&#8224;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="https://www.sec.gov/Archives/edgar/data/1130464/000113046421000007/bkhex-107amendedandrestate.htm">Black Hills Corporation Amended and Restated 2015 Omnibus Incentive Plan effective January 26, 2021 (filed as Exhibit 10.7 to the Registrant's Form 10-K for 2020)</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.8&#8224;</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046414000056/bkhex-107122013.htm">Form of Stock Option Agreement for Omnibus Plan effective for awards granted on or after January 1, 2014 (filed as Exhibit 10.7 to the Registrant&#8217;s Form 10-K for 2013).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.9&#8224;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046416000176/bkhex-108stockoptionawarda.htm">Form of Stock Option Agreement effective for awards granted on or after April 28, 2015 (filed as Exhibit 10.8 to Registrant&#8217;s Form 10-K for 2015).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.10&#8224;</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046416000176/bkhex-1010formofrestricted.htm">Form of Restricted Stock Award Agreement for 2015 Omnibus Incentive Plan effective for awards granted on or after April 28, 2015 (filed as Exhibit 10.10 to Registrant&#8217;s Form 10-K for 2015).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.11*&#8224;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="https://www.sec.gov/Archives/edgar/data/1130464/000113046421000007/bkhex-1011restrictedstocka.htm">Form of Restricted Stock Award Agreement for 2015 Omnibus Incentive Plan effective for awards granted on or after January 26, 2021. (filed as Exhibit 10.11 to the Registrant's Form 10-K for 2020)</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.12&#8224;</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046416000176/bkhex-1012formofrestricted.htm">Form of Restricted Stock Unit Award Agreement for 2015 Omnibus Plan effective for awards granted on or after April 28, 2015 (filed as Exhibit 10.12 to the Registrant&#8217;s Form 10-K for 2015).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.13&#8224;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046416000199/bkhex-106pspawardagr2015om.htm">Form of Performance Share Award Agreement effective for awards granted on or after January 1, 2016 (filed as Exhibit 10.6 to the Registrant&#8217;s Form 10-Q for the quarterly period ended March 31, 2016).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.14&#8224;</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="https://www.sec.gov/Archives/edgar/data/1130464/000113046420000006/bkhex-1012performances.htm">Form of Performance Share Award Agreement effective for awards granted on or after January 1, 2017 (filed as Exhibit 10.12 to the Registrant's Form 10-K for 2019).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.15*&#8224;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="https://www.sec.gov/Archives/edgar/data/1130464/000113046421000007/bkhex-1016stipawardagreeme.htm">Form of Short-term Incentive Plan for Officers Award Agreement effective for awards granted on or after January 1, 2021 (filed as Exhibit 10.16 to the Registrant's Form 10-K for 2020).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.16*&#8224;</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="https://www.sec.gov/Archives/edgar/data/1130464/000113046421000007/bkhex-1017performanceunita.htm">Form of Performance Unit Award Agreement for 2015 Omnibus Incentive Plan effective for awards granted on or after January 1, 2021. (filed as Exhibit 10.17 to the Rigistrant's Form 10-K for 2020)</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.17&#8224;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046404000296/ex10-5sep3_8k.htm">Form of Indemnification Agreement (filed as Exhibit 10.5 to the Registrant&#8217;s Form 8-K filed on September 3, 2004).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.18&#8224;</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="https://www.sec.gov/Archives/edgar/data/1130464/000113046420000006/bkhex-1015ceocicagreem.htm">Change in Control Agreement dated November 15, 2019 between Black Hills Corporation and Linden R. Evans (filed as Exhibit 10.15 to the Registrant's Form 10-K for 2019).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.19&#8224;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="https://www.sec.gov/Archives/edgar/data/1130464/000113046420000006/bkhex-1016corporateoff.htm">Change in Control Agreements between Black Hills Corporation and its non-CEO Senior Executive Officers (filed as Exhibit 10.16 to the Registrant's Form 10-K for 2019).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.20&#8224;</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046409000099/ex10-23_directorcompplan.htm">Outside Directors Stock Based Compensation Plan as Amended and Restated effective January 1, 2009 (filed as Exhibit 10.23 to the Registrant&#8217;s Form 10-K for 2008).</a></span></div></td></tr></table></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="-sec-extract:summary;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">117</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="-sec-extract:summary"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="padding-left:18pt;padding-right:18pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:10.742%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:87.058%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.20.1&#8224;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046411000027/exhibit1016.htm">First Amendment to the Outside Directors Stock Based Compensation Plan effective January 1, 2011 (filed as Exhibit 10.16 to the Registrant&#8217;s Form 10-K for 2010).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.20.2&#8224;</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046413000071/bkhex-1015122012.htm">Second Amendment to the Outside Director&#8217;s Stock Based Compensation Plan effective January 1, 2013 (filed as Exhibit 10.15 to the Registrant&#8217;s Form 10-K for 2012).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.20.3&#8224;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046415000083/bkhex-1016122014.htm">Third Amendment to the Outside Director&#8217;s Stock Based Compensation Plan effective January 1, 2015 (filed as Exhibit 10.16 to the Registrant&#8217;s Form 10-K for 2014).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.20.4&#8224;</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046416000217/bkhex-104q32016fourthamddi.htm">Fourth Amendment to the Outside Director&#8217;s Stock Based Compensation Plan effective January 1, 2017 (filed as Exhibit 10.4 to the Registrant&#8217;s Form 10-Q for the quarterly period ended September 30, 2016).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.20.5&#8224;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046418000014/bkhex-1016directorcompplan.htm">Fifth Amendment to the Outside Director&#8217;s Stock Based Compensation Plan effective January 1, 2018 (filed as Exhibit 10.16 to the Registrant&#8217;s Form 10-K for 2017).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.20.6&#8224;</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div style="padding-left:6pt"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046419000012/bkhex1018bodoutsidedircomp.htm">Sixth Amendment to the Outside Director&#8217;s Stock Based Compensation Plan effective January 1, 2019 (filed as Exhibit 10.18 to the Registrant&#8217;s Form 10-K for 2018).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.21&#8224;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="http://www.sec.gov/Archives/edgar/data/1130464/000113046416000199/bkhex-108nonxdisclosureand.htm">Form of Non-Disclosure and Non-Solicitation Agreement for Certain Employees (filed as Exhibit 10.8 to the Registrant&#8217;s Form 10-Q for the quarterly period ended March 31, 2016).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.22</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="https://www.sec.gov/Archives/edgar/data/1130464/000110465920089882/tm2026019d3_ex1-1.htm">Equity Distribution Sales Agreement dated August 4, 2020 among Black Hills Corporation and the several Agents named therein (filed as Exhibit 1.1 to the Registrant&#8217;s Form 8-K filed on August 4, 2020).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.23</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="https://www.sec.gov/Archives/edgar/data/1130464/000113046421000026/exhibit101amendedandrestat.htm">Fourth Amended and Restated Credit Agreement dated as of July 19, 2021 (relating to $750 million Revolving Credit Facility), among Black Hills Corporation, as Borrower, the financial institutions party thereto, as Banks, and U.S. Bank, National Association, as Administrative Agent (filed as Exhibit 10.1 to the Registrant&#8217;s Form 8-K filed on July 19, 2021).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.24</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="https://www.sec.gov/Archives/edgar/data/1130464/000113046421000004/exhibit101creditagreementt.htm">Credit Agreement dated as of February 24, 2021 among Black Hills Corporation, as Borrower, the financial institutions party thereto, as Banks, and U.S. Bank National Association, as Administrative Agent (filed as Exhibit 10.1 to the Registrant&#8217;s Form 8&#8211;K filed on February 25, 2021).</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.25</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="bkhex-1025nonxemployeedire.htm">Non-Employee Director Equity Compensation Plan effective January 1, 2022.</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.26</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="bkhex-1026nonxemployeedire.htm">Form of Restricted Stock Unit Award Agreement (Non-Employee Director) effective for awards granted on or after January 1, 2022</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">.</span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.27</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal Leases between WRDC and the Federal Government<br/>&#160;&#160;&#160;&#160;&#160;-Dated May 1, 1959 (filed as Exhibit 5(i) to the Registrant&#8217;s Form S&#8209;7, File No. 2&#8209;60755)<br/>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;-Modified January 22, 1990 (filed as Exhibit 10(h) to the Registrant&#8217;s Form 10&#8209;K for 1989)<br/>&#160;&#160;&#160;&#160;&#160;-Dated April 1, 1961 (filed as Exhibit 5(j) to the Registrant&#8217;s Form S&#8209;7, File No. 2&#8209;60755)<br/>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;-Modified January 22, 1990 (filed as Exhibit 10(i) to Registrant&#8217;s Form 10&#8209;K for 1989)<br/>&#160;&#160;&#160;&#160;&#160;-Dated October 1, 1965 (filed as Exhibit 5(k) to the Registrant&#8217;s Form S&#8209;7, File No. 2&#8209;60755)<br/>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;-Modified January 22, 1990 (filed as Exhibit 10(j) to the Registrant&#8217;s Form 10&#8209;K for 1989).</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.28</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Assignment of Mining Leases and Related Agreement effective May 27, 1997, between WRDC and Kerr-McGee Coal Corporation (filed as Exhibit 10(u) to the Registrant&#8217;s Form 10-K for 1997).</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21*</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="bkhex-21listofsubs2021.htm">List of Subsidiaries of Black Hills Corporation.</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">23.1*</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="bkhex-231auditconsent2021.htm">Consent of Independent Registered Public Accounting Firm.</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">31.1*</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="bkhex-311ceo122021.htm">Certification of Chief Executive Officer pursuant to Rule 13a - 14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes - Oxley Act of 2002.</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">31.2*</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="bkhex-312cfo122021.htm">Certification of Chief Financial Officer pursuant to Rule 13a - 14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes - Oxley Act of 2002.</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32.1*</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="bkhex-321ceo122021.htm">Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32.2*</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="bkhex-322cfo122021.htm">Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.</a></span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">95*</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline" href="bkhex-95minesafetydata1220.htm">Mine Safety and Health Administration Safety Data</a></span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">101.INS*</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">XBRL Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">101.SCH*</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">XBRL Taxonomy Extension Schema Document</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">101.CAL*</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">XBRL Taxonomy Extension Calculation Linkbase Document</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">101.DEF*</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">XBRL Taxonomy Extension Definition Linkbase Document</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">101.LAB*</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">XBRL Taxonomy Extension Label Linkbase Document</span></td></tr></table></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="-sec-extract:summary;text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">118</span></div></div></div><hr style="page-break-after:always"/><div style="min-height:42.75pt;width:100%"><div style="-sec-extract:summary"><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="-sec-extract:exhibit;color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="padding-left:18pt;padding-right:18pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:10.742%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:87.058%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">101.PRE*</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">XBRL Taxonomy Extension Presentation Linkbase Document</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">104*</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)</span></td></tr></table></div><div><span><br/></span></div><div><span><br/></span></div><div id="id989d46d3f644c989facd8bd19325da5_265"></div><div style="padding-left:72pt;text-indent:-72pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">ITEM 16.</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:31.48pt">FORM 10-K SUMMARY</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">None.</span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">119</span></div></div></div><div id="id989d46d3f644c989facd8bd19325da5_268"></div><hr style="page-break-after:always"/><div style="min-height:45pt;width:100%"><div><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"><a style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline" href="#id989d46d3f644c989facd8bd19325da5_4">Table of Contents</a></span></div></div><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">SIGNATURES</span></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:83.918%"><tr><td style="width:1.0%"></td><td style="width:7.088%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:35.659%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:3.952%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:48.901%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">BLACK HILLS CORPORATION</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">By:</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">/S/ LINDEN R. EVANS</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Linden R. Evans, President and Chief Executive Officer</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Dated:</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">February 15, 2022</span></td><td colspan="6" style="padding:0 1pt"></td></tr></table></div><div><span><br/></span></div><div style="text-indent:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated.</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:82.163%"><tr><td style="width:1.0%"></td><td style="width:45.875%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:29.682%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:21.143%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">/S/ STEVEN R. MILLS</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Director and</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">February 15, 2022</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Steven R. Mills</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Chairman</span></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">/S/ LINDEN R. EVANS</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Director and</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">February 15, 2022</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Linden R. Evans, President </span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Principal Executive Officer</span></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">and Chief Executive Officer</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">/S/ RICHARD W. KINZLEY</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Principal Financial and</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">February 15, 2022</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Richard W. Kinzley, Senior Vice President</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accounting Officer</span></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">and Chief Financial Officer</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">/S/ BARRY M. GRANGER</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Director</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">February 15, 2022</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Barry M. Granger</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">/S/ TONY A. JENSEN</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Director</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">February 15, 2022</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Tony A. Jensen</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">/S/ KATHLEEN S. MCALLISTER</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Director</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">February 15, 2022</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Kathleen S. McAllister</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">/S/ ROBERT P. OTTO</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Director</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">February 15, 2022</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Robert P. Otto</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">/S/ SCOTT M. PROCHAZKA</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Director</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">February 15, 2022</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Scott M. Prochazka</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">/S/ REBECCA B. ROBERTS</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Director</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">February 15, 2022</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Rebecca B. Roberts</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">/S/ MARK A. SCHOBER</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Director</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">February 15, 2022</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Mark A. Schober</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">/S/ TERESA A. TAYLOR</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Director</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">February 15, 2022</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Teresa A. Taylor</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">/S/ JOHN B. VERING</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Director</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">February 15, 2022</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">John B. Vering</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div style="height:45pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">120</span></div></div></div></body></html>
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<DOCUMENT>
<TYPE>EX-10.25
<SEQUENCE>2
<FILENAME>bkhex-1025nonxemployeedire.htm
<DESCRIPTION>EX-10.25
<TEXT>
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<title>Document</title></head><body><div id="ia907d2f7af6c4d8fa25f9e225c1d5c5d_33"></div><div style="min-height:72pt;width:100%"><div><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:112%">BLACK HILLS CORPORATION NON-EMPLOYEE DIRECTOR </font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:112%">EQUITY Compensation Plan</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:112%"> (Effective January 1, 2022)</font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Article 1 - Purpose</font></div><div><font><br></font></div><div style="padding-left:22.5pt;text-align:justify;text-indent:-22.5pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">1.1   Purpose.  The purpose of the Black Hills Corporation Non-Employee Director Equity Compensation Plan (the &#8220;Plan&#8221;) is to provide non-employee directors on the Board of Directors of Black Hills Corporation with annual equity compensation awards as compensation for Board service and the opportunity to defer settlement of such awards. </font></div><div><font><br></font></div><div style="padding-left:22.5pt;text-align:justify;text-indent:-22.5pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">1.2  Coordination with the Omnibus Plan.  The Plan is established pursuant to Section 21.14 and other applicable provisions of the Black Hills Corporation Amended and Restated 2015 Omnibus Incentive Plan (the &#8220;Omnibus Plan&#8221;).  All Awards under the Plan shall be granted in accordance with all the applicable provisions of the Omnibus Plan. To the extent there is any conflict between the provisions of the Plan and the Omnibus Plan, the Omnibus Plan shall govern.  To the extent necessary to comply with applicable laws, anything in the Plan that would materially amend or alter the Omnibus Plan, requiring stockholder approval, shall not be valid and enforced until such stockholder approval is obtained in such a manner and to such a degree as required.   </font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Article II &#8211; Definitions</font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Capitalized terms used herein, but not defined, shall be given meaning as ascribed to them under the Black Hills Corporation 2015 Omnibus Incentive Plan.  For the purposes of the Plan, the following terms are defined as set forth below&#58;</font></div><div><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">2.1      &#8220;Account&#8221; means the separate bookkeeping account maintained on the books of the Company for each Participant to track the Participant&#8217;s Awards, and adjustments thereto.  </font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">2.2&#160;&#160;&#160;&#160;&#8220;Award&#8221; means a Restricted Stock Unit award granted to a Participant under the Plan. Awards shall be subject to the terms and conditions of the Plan, the Omnibus Plan, the Award Agreement, and such other terms and conditions as the Committee shall deem desirable.  </font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">2.3&#160;&#160;&#160;&#160;&#8220;Beneficiary&#8221; means the person or persons designated as such under Article VII of the Plan.  </font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">2.4&#160;&#160;&#160;&#160;&#8220;Board&#8221; means the Board of Directors of the Company. </font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">2.5&#160;&#160;&#160;&#160;&#8220;Code&#8221; means the Internal Revenue Code of 1986, as amended from time to time.</font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">2.6&#160;&#160;&#160;&#160;&#8220;Committee&#8221; means the Compensation Committee of the Board or any successor committee or subcommittee of the Board or other committee or subcommittee designated by the Board.</font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">2.7&#160;&#160;&#160;&#160;&#8220;Company&#8221; means Black Hills Corporation, a South Dakota corporation, and its successors. </font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">2.8&#160;&#160;&#160;&#160;&#8220;Deferred Stock Unit&#8221; means a Restricted Stock Unit that a Participant elected to defer in accordance with Article V. </font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">2.9&#160;&#160;&#160;&#160;&#8220;Effective Date&#8221; means January 1, 2022. </font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">2.10&#160;&#160;&#160;&#160;&#8220;Omnibus Plan&#8221; means the Black Hills Corporation Amended and Restated 2015 Omnibus Incentive Plan, as may be amended from time to time, or any successor equity plan applicable to non-employee directors of the board adopted by the Company.  </font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">2.11&#160;&#160;&#160;&#160;&#8220;Participant&#8221; means a Nonemployee Director who receives an Award under the Plan.</font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">2.12&#160;&#160;&#160;&#160;&#8220;Plan&#8221; means the Black Hills Corporation Non-Employee Director Equity Compensation Plan.</font></div><div><font><br></font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">1</font></div></div></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div><font><br></font></div></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">2.13&#160;&#160;&#160;&#160;&#8220;Separation from Service&#8221; means a &#8220;separation from service&#8221; from the Company, within the meaning of Code Section 409A, as applicable to the Participant.</font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">2.14&#160;&#160;&#160;&#160;&#8220;Stock&#8221; means the common stock, par value $1.00 per share, of the Company. </font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Article III &#8211; Participation</font></div><div><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">3.1&#160;&#160;&#160;&#160;Each Nonemployee Director shall be eligible to become a Participant in accordance with the provisions of the Plan.   </font></div><div><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">3.2&#160;&#160;&#160;&#160;A Participant shall remain a Participant until he or she has received settlement of all Units to which he or she is entitled under the terms of the Plan.</font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Article IV &#8211; Restricted Stock Unit Awards</font></div><div><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">4.1&#160;&#160;&#160;&#160;Annual Awards.  The Board may grant Awards to each Nonemployee Director, for services to the Company, at such timing and in such amounts as determined by the Board.</font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">4.2&#160;&#160;&#160;&#160;Vesting and Forfeiture.  Awards will vest over time, as provided in the Award Agreement.  Except as otherwise provided in a Participant&#8217;s Award Agreement, to vest in the Restricted Stock Units, the Participant must remain on the Board with the Company from the grant date through the applicable vesting date for such Award.  Any Restricted Stock Unit that does not vest shall immediately be forfeited.  Except as otherwise provided in a Participant&#8217;s Award Agreement, if a Participant ceases to be on the Board for any reason prior to the Scheduled Vesting Date, all unvested Restricted Stock shall immediately be forfeited.</font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">4.3&#160;&#160;&#160;&#160;Settlement of Awards.  Unless settlement is deferred by election of the Participant in accordance with Article V, vested Awards will settle in shares of Stock as provided in the Award Agreement.  For any vested Awards that have been deferred by election of the Participant under Article V shall settle as provided in Section 5.3.</font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Article V &#8211; Deferred Stock Units</font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">5.1&#160;&#160;&#160;&#160;Deferral Elections. </font></div><div><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">a.</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%;padding-left:9.67pt;text-decoration:underline">Generally</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">.  Prior to the first day of each calendar year beginning on or after January 1, 2022, each Participant may elect to defer payment of 100% of any Participant&#8217;s Restricted Stock Unit Award that is granted in such calendar year.  To be effective, such election must be completed and delivered to the Company prior to the first day of the calendar year in which the service period associated with the Award begins. Any election made under this Section shall become irrevocable as of December 31 of the year prior to the year in which the service period associated with the Restricted Stock Unit Award begins.  By way of illustration, a deferral election must be made by December 31, 2021 to defer an Award that is granted to Participant in 2022, for services performed starting in 2022. </font></div><div><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">b.   </font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">Election Procedures</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">.  An election (or the modification or revocation of an election) must be made in such manner and in accordance with such rules (such as timing of election period, method of electing, etc.) as may be prescribed for this purpose by the Company.  In addition, the Company may, in its discretion, allow other deferral elections, to the extent such elections comply with the requirements of Code Section 409A and the applicable Treasury Regulations.</font></div><div style="text-align:justify;text-indent:36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">5.2&#160;&#160;&#160;&#160;Vesting.  A Deferred Stock Unit shall only be vested if the Participant has become vested under the terms of the associated Award Agreement.  </font></div><div><font><br></font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">2</font></div></div></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div><font><br></font></div></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">5.3&#160;&#160;&#160;&#160;Settlement.  For all Deferred Stock Units, a Participant&#8217;s Deferred Stock Units will settle in shares of Stock as soon as practicable (but no later than the 15</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:6.5pt;font-weight:400;line-height:112%;position:relative;top:-3.5pt;vertical-align:baseline">th</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%"> day of the third calendar month following) the date the Participant ceases to be a Director and experiences a Separation from Service.  </font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Article VI &#8211; Accounts</font></div><div><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">6.1&#160;&#160;&#160;&#160;Accounts Generally. An Account will be established for each Participant.  Accounts are for bookkeeping purposes only and the maintenance of Accounts will not require any segregation of assets by the Company.  The Company will not have any obligation whatsoever to set aside funds for the Plan or for the benefit of any Participant or Beneficiary, and no Participant or Beneficiary will have any rights to any amounts that may be set aside other than the rights of an unsecured creditor of the Company.</font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">6.2&#160;&#160;&#160;&#160;Adjustments.</font></div><div><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">a.&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">Dividends</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">.  Whenever any cash dividends are declared on the Stock, the Company will credit the Account of each Participant on the date such dividend is paid with a number of additional Restricted Stock Units (or, if an Award is subject to a deferral election under Article V, additional Deferred Stock Units) equal to the result of dividing (i) the product of (x) the total number of Restricted Stock Units (or Deferred Stock Units, if applicable) credited to the Participant&#8217;s Account on the record date for such dividend and (y) the per share amount of such dividend by (ii) the Fair Market Value of one share of Stock on the date such dividend is paid by the Company to the holders of Stock. </font></div><div><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">b.&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%;text-decoration:underline">Other Adjustments</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">.  In the event of any change in the outstanding shares of common stock of the Company, Awards may be adjusted, as provided in the Omnibus Plan.   </font></div><div><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">6.3&#160;&#160;&#160;&#160;Statement of Account.  Each Director will be provided Account statements on an annual basis, in such manner as determined by the Company.</font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Article VII - Beneficiary </font></div><div><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">7.1&#160;&#160;&#160;&#160;Designation of Beneficiary.  A Participant may designate a beneficiary or beneficiaries to receive benefits after the death of the Participant. The designation shall be effective upon filing written notice with the Company on the form provided for that purpose. If more than one beneficiary designation has been filed, the beneficiary or beneficiaries designated in the notice bearing the most recent date will be deemed to be the valid beneficiary or beneficiaries. The Participant shall have the right, without the requirement of approval from any person, to revoke and change beneficiary designations.  If no valid beneficiary designation has been made, or if all beneficiaries due before a Participant&#8217;s entire Account has been distributed, payment of the remaining Account will be made to the Participant&#8217;s estate. </font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">7.2&#160;&#160;&#160;&#160;Death of Participant.  If a Participant dies before receiving settlement of the full balance of the Participant&#8217;s Account, then the balance of the Participant&#8217;s vested Account shall be settled in a lump sum settlement in shares of Stock, payable to the Participant&#8217;s Beneficiary.  The lump sum Stock settlement will be made as soon as practicable following the Company&#8217;s receipt of notification of the Participant&#8217;s death.  However, if the identity of the Beneficiary cannot be determined, or if the Beneficiary cannot be located, payment to the Beneficiary may be delayed to the extent allowed under Code Section 409A and applicable guidance.</font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Article VIII &#8211; Administration  </font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">The Plan shall be administered by the Committee, in accordance with the administration provisions of the Omnibus Plan. </font></div><div><font><br></font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">3</font></div></div></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div><font><br></font></div></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">For the avoidance of doubt, the ministerial functions of the Plan shall be handled by employees of the Company, in accordance with the rules and regulations established by the Committee.</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:112%"> </font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Article IX &#8211; Amendment and Termination</font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">The Board may amend or terminate the Plan at any time in whole or in part&#59; provided, however, that no amendment or termination shall directly or indirectly reduce the balance of Participant&#8217;s Account held hereunder as of the effective date of such amendment or termination. Notwithstanding the foregoing, the Plan may be amended at any time, without the consent of any Participant (or beneficiary) if necessary or desirable, as determined by the Company, to comply with the requirements, or avoid the application, of Code Section 409A. </font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">A termination of the Plan will not be effective to cause a deferral election in place under the Plan for the applicable year to be modified or discontinued prior to the end of such year, if such modification or discontinuation would violate Code Section 409A.  The Board may terminate the Plan and provide for the acceleration and liquidation of Deferred Stock Units remaining due under the Plan pursuant to Treasury Regulations &#167; 1.409A-3(j)(4)(ix). If such a termination and liquidation occurs, all Awards under the Plan will be discontinued as of the termination date established by the Board, and all outstanding Deferred Stock Unit Awards due will be settled at the time specified by the Board as part of the action terminating the Plan and consistent with Treasury Regulations &#167; 1.409A-3(j)(4)(ix).  </font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">The Board may terminate the Plan other than pursuant to Treasury Regulations &#167; 1.409A-3(j)(4)(ix).  In the event of such other termination, no new deferral elections will be allowed after the end of the calendar year which includes the date of termination, but all Deferred Stock Units under the Plan will be paid at the same time and in the same form as if the termination had not occurred &#8211; that is, the termination will not result in any acceleration of any distribution of Deferred Stock Units under the Plan.</font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:112%">Article X - Miscellaneous</font></div><div><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">10.1&#160;&#160;&#160;&#160;Unfunded Plan. The Plan at all times shall be entirely unfunded and no provision shall at any time be made with respect to segregating any assets of the Company for payment of any benefits hereunder. No Participant, Beneficiary or any other person shall have any interest in any particular assets of the Company by reason of the right to receive a benefit under the Plan and any such Participant, Beneficiary or other person shall have only the rights of a general unsecured creditor of the Company with respect to any rights under the Plan. All payments hereunder shall be made by the Company from its general assets at the time and in the manner provided for in the Plan. Nothing contained in the Plan shall constitute a guaranty by the Company or any other person or entity that the assets of the Company will be sufficient to pay any benefit hereunder. Notwithstanding the foregoing, however, the Company may, in its sole discretion, place assets in a trust that may be used to meet the Company&#8217;s obligations under the Plan and any right of a Participant to any benefit payment under the Plan shall be reduced by any payment received by the Participant from the trustee under such a trust.  In the event such trust is established, the assets of such trust shall be available to the general creditors of the Company in the event of insolvency or bankruptcy of the Company (a &#8220;rabbi trust&#8221;).</font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">10.2&#160;&#160;&#160;&#160;Non-Alienation of Benefits. Neither a Participant nor any other person shall have any rights to sell, assign, transfer, pledge, anticipate, or otherwise encumber the amounts, if any, payable under the Plan to the Participant or any other person. Any attempted sale, assignment, transfer or pledge shall be null and void and without any legal effect. No part of the amounts payable under the Plan shall be subject to seizure or sequestration for the payment of any debts, judgments, alimony or separate maintenance owed by a Participant or any other person, nor be transferable by operation of law in the event of a Participant&#8217;s or any other person&#8217;s bankruptcy or insolvency.   </font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">10.3&#160;&#160;&#160;&#160;Code Section 409A. For any Award that the settlement of such Award is deferred by election of the Participant in accordance with Article V, this Plan is subject to Code Section 409A and is intended to be maintained in compliance with Code Section 409A and the regulations thereunder applicable to nonqualified deferred compensation plans. To the extent any provision of this Plan </font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">4</font></div></div></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div><font><br></font></div></div><div style="padding-left:36pt;text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">applicable to a deferred Award does not satisfy the requirements of Code Section 409A or any regulations or other guidance issued by the Treasury Department or the Internal Revenue Service under Code Section 409A, such provision will be applied in a manner consistent with such requirements, regulations or guidance, notwithstanding any provision of the Plan to the contrary, and to the extent not prohibited by Code Section 409A, the provisions of the Plan and the rights of Participants and Beneficiaries hereunder shall be deemed to have been modified accordingly. Each payment and benefit hereunder shall constitute a &#8220;separately identified&#8221; amount within the meaning of Treasury Regulation &#167;1.409A-2(b)(2), to the extent applicable. The Committee, in its sole discretion shall determine the requirements of Code Section 409A that are applicable to the Plan and shall interpret the terms of the Plan in a manner consistent therewith. Under no circumstances, however, shall the Company or any affiliate or any of its or their employees, officers, directors, service providers or agents have any liability to any person for any taxes, penalties or interest due on amounts paid or payable under the Plan, including any taxes, penalties or interest imposed under Code Section 409A.  For any Award that is not deferred in accordance with Article V, the Plan is intended to be exempt from Code Section 409A as a short-term deferral, and is to be interpreted accordingly.  </font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">10.4&#160;&#160;&#160;&#160;Severability. If any term or provision of this Plan or the application thereof to any person or circumstances shall, to any extent, be invalid or unenforceable, then the remainder of the Plan, or the application of such term or provision to persons or circumstances other than those as to which it was held invalid or unenforceable, shall not be affected thereby, and each term and provision hereof shall be valid and enforceable to the fullest extent permitted by applicable law. </font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">10.5&#160;&#160;&#160;&#160;Successors in Interest. The obligation of the Company under the Plan shall be binding upon any successor or successors of the Company, whether by merger, consolidation, sale of assets or otherwise, and for this purpose reference herein to the Company shall be deemed to include any such successor or successors. </font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">10.6 &#160;&#160;&#160;&#160;Governing Law. The validity, construction, interpretation, administration and effect of the Plan and of its rules and regulations, and rights relating to the Plan, shall be determined solely in accordance with the laws of the State of South Dakota, without regard to the conflicts of laws provisions thereof.</font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">10.7&#160;&#160;&#160;&#160;No Stockholder Rights.  Neither the Participant or any other person shall have any rights as a stockholder of the Company with respect to the Restricted Stock Units or Deferred Stock Units credited to the Participant&#8217;s Account until the shares of Stock are issued to the Participant (or the Beneficiary of the Participant).</font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">10.8&#160;&#160;&#160;&#160;No Contract.  Neither the action of the Company in establishing the Plan nor any action taken by it or by the Committee under this Plan (or any award thereunder) shall be construed as giving any Participant the right to be retained as a Director or other service provider of the Company.</font></div><div><font><br></font></div><div><font><br></font></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:73.237%"><tr><td colspan="3" style="display:none"></td><td style="width:1.0%"></td><td style="width:78.549%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:19.251%"></td><td style="width:0.1%"></td></tr><tr style="height:15pt"><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="display:none"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">5</font></div></div></div></body></html>
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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.26
<SEQUENCE>3
<FILENAME>bkhex-1026nonxemployeedire.htm
<DESCRIPTION>EX-10.26
<TEXT>
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<title>Document</title></head><body><div id="i99aeb0fea5e440e49360c6449dbc6d63_33"></div><div style="min-height:72pt;width:100%"><div><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">BLACK HILLS CORPORATION NON-EMPLOYEE DIRECTOR</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">EQUITY COMPENSATION PLAN</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">UNDER THE BLACK HILLS CORPORATION</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">AMENDED AND RESTATED 2015 omnibus INCENTIVE PLAN</font></div><div><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;text-decoration:underline">Restricted Stock Unit Award Agreement (Non-Employee Director)</font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">&#160;&#160;&#160;&#160;Black Hills Corporation (the &#8220;Company&#8221;), pursuant to its Non-Employee Director Equity Compensation Plan (the &#8220;Non-Employee Director Equity Plan&#8221;) under its Amended and Restated 2015 Omnibus Incentive Plan (the &#8220;Omnibus Plan&#8221;), hereby grants an award of Restricted Stock Units to you, the Participant named below.  The terms and conditions of this Award are set forth in this Restricted Stock Unit Award Agreement (the &#8220;Agreement&#8221;), consisting of this cover page and the Terms and Conditions on the following pages, and in the Omnibus Plan document and the Non-Employee Director Equity Plan document, a copy of both documents which has been made available to you.  Any capitalized term that is used but not defined in this Agreement shall have the meaning assigned to it in the Omnibus Plan or Non-Employee Director Equity Plan, as they currently exist or as they may be amended in the future.</font></div><div style="text-align:justify"><font><br></font></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:justify;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Name of Participant&#58;</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:justify;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Number of Restricted Stock Units&#58;</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:justify;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Grant Date&#58;</font></td></tr><tr><td colspan="3" style="border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:justify;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Scheduled Vesting Date&#58; Earlier of date of the Company&#8217;s Shareholder Meeting in ____ or May 1, ___</font></td></tr></table></div><div><font><br></font></div><div style="text-align:justify;text-indent:36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">By signing below or otherwise evidencing your acceptance of this Agreement in a manner approved by the Company, you agree to all of the terms and conditions contained in this Agreement, the Omnibus Plan and Non-Employee Director Equity Plan.  You acknowledge that you have reviewed these documents.  </font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">PARTICIPANT&#58;                                               BLACK HILLS CORPORATION </font></div><div><font><br></font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">                                                                  </font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">      By&#58; </font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">                                                                              </font></div><div style="text-align:justify;text-indent:216pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Title&#58; VP &#8211; Governance, Corporate Secretary &#38; Deputy </font></div><div style="text-align:justify;text-indent:216pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">          General Counsel</font></div><div><font><br></font></div><div style="text-align:center"><font><br></font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:112%">US.131879010.04</font></div></div></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">BLACK HILLS CORPORATION NON-EMPLOYEE DIRECTOR</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">EQUITY COMPENSATION PLAN</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">UNDER THE BLACK HILLS CORPORATION</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">AMENDED AND RESTATED 2015 omnibus INCENTIVE PLAN</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Restricted Stock Unit Award Agreement (Non-Employee Director)</font></div><div><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;text-decoration:underline">Terms and Conditions</font></div><div><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">1.&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;text-decoration:underline">Grant of Restricted Stock Units</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  The Company hereby confirms the grant to you, as of the Grant Date and subject to the terms and conditions in this Agreement, the Omnibus Plan and the Non-Employee Director Equity Plan, of the number of Restricted Stock Units specified on the cover page of this Agreement (the &#8220;Units&#8221;).  Each Unit represents the right to receive one share of the Company&#8217;s Stock (each, a &#8220;Share&#8221;).  Prior to their settlement or forfeiture in accordance with the terms of this Agreement, the Units granted to you will be credited to an account in your name maintained by the Company.  This account shall be unfunded and maintained for book-keeping purposes only, with the Units simply representing an unfunded and unsecured contingent obligation of the Company.  </font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2.&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;text-decoration:underline">Restrictions Applicable to Units</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  Neither this Award nor the Units subject to this Award may be sold, assigned, transferred, exchanged or encumbered, voluntarily or involuntarily, other than a transfer upon your death in accordance with your will, by the laws of descent and distribution or pursuant to a beneficiary designation submitted in accordance with the Plan.  Following any such transfer, this Award shall continue to be subject to the same terms and conditions that were applicable to this Award immediately prior to its transfer.  Any attempted transfer in violation of this Section 2 shall be void and without effect.  The Units and your right to receive Shares in settlement of the Units under this Agreement shall be subject to forfeiture as provided in Section 5 until satisfaction of the vesting conditions set forth in Section 4.</font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3.&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;text-decoration:underline">No Shareholder Rights</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  The Units subject to this Award do not entitle you to any rights of a holder of the Company&#8217;s common stock.  You will not have any of the rights of a shareholder of the Company in connection with the grant of Units subject to this Agreement unless and until Shares are issued to you upon settlement of the Units as provided in Section 6. </font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">4.&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;text-decoration:underline">Vesting of Units</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  For purposes of this Agreement, &#8220;Vesting Date&#8221; means any date, including the Scheduled Vesting Date specified on the cover page of this Agreement, on which Units subject to this Agreement vest as provided in this Section 4.   Notwithstanding the vesting and subsequent settlement of this Award, the Award and any Share issuances or payments made hereunder shall remain subject to the provisions of Section 21.1 of the Omnibus Plan.</font></div><div><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">a.</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt;text-decoration:underline">Scheduled Vesting</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  If you remain a Director continuously from the Grant Date specified on the cover page of this Agreement, then the Units will vest on the Scheduled Vesting Date.  </font></div><div style="text-align:justify"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">b.</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt;text-decoration:underline">Accelerated Vesting</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  The vesting of outstanding Units will be accelerated under the circumstances provided below&#58;</font></div><div><font><br></font></div><div style="padding-left:72pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">1.</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%;padding-left:9.67pt">Death or Disability</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  If you cease to be a Director prior to the Scheduled Vesting Date due to your death or Disability, then all of the unvested Units shall vest as of such termination date.  Disability for this purpose means that the Director is unable to engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment that can be expected to result in death or can be expected to last for a continuous period of not less than 12 months.</font></div><div><font><br></font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:112%">RSU Agreement &#8211; Non-Employee Directors</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:112%">                    </font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:112%">Page 2</font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:112%">US.131879010.03</font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div></div></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div><font><br></font></div></div><div style="padding-left:72pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">2.</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%;padding-left:9.67pt">Change of Control</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  If a Change of Control occurs while you are a Director and prior to the Scheduled Vesting Date, then all of the unvested Units shall vest as of the date of the consummation of such Change of Control.</font></div><div><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">5.         </font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;text-decoration:underline">Forfeiture</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  Except as otherwise provided in accordance with Section 4 above or under the terms of the Non-Employee Director Equity Plan, if you cease to be a Director, you will forfeit all unvested Units.  </font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">6.         </font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;text-decoration:underline">Settlement of Units</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  </font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">a.</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt">Unless you have elected to defer settlement of the Units, after any Units vest pursuant to Section 4, the Company shall, as soon as practicable (but no later than the 15</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:6.5pt;font-weight:400;line-height:120%;position:relative;top:-3.5pt;vertical-align:baseline">th</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> day of the third calendar month following the Vesting Date), cause to be issued and delivered to you (or to your personal representative or your designated beneficiary or estate in the event of your death, as applicable) one Share in payment and settlement of each vested Unit.  Delivery of the Shares shall be effected by the issuance of a stock certificate to you, by an appropriate entry in the stock register maintained by the Company&#8217;s transfer agent with a notice of issuance provided to you, or by the electronic delivery of the Shares to a brokerage account you designate, and shall be subject to the tax provisions of Section 8, to the extent applicable, and compliance with all applicable legal requirements as provided in the Omnibus Plan, and shall be in complete satisfaction and settlement of such vested Units.  If the Units that vest include a fractional Unit, the Company shall round the number of vested Units to the nearest whole Unit prior to issuance of Shares as provided herein. </font></div><div style="text-align:justify"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">b.</font><font style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt">If you have elected to defer the settlement of the Units (&#8220;Deferred Units&#8221;) pursuant to the terms of the</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> Non-Employee Director Equity Plan, after any Deferred Units vest pursuant to Section 4, the settlement of such Deferred Units shall be governed by the terms of the Non-Employee Director Equity Plan and your related deferral election. </font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">7.&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;text-decoration:underline">Dividend Equivalents</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  If the Company pays cash dividends on its Shares while any Units subject to this Agreement are outstanding, then the Company shall credit, as of each dividend payment date, with a number of additional Units (the &#8220;Dividend Units&#8221;) equal to the result of dividing (i) the product of (x) the total number of Restricted Stock Units credited to your Account on the record date for such dividend and (y) the per share amount of such dividend by (ii) the Fair Market Value of one Share on the date such dividend is paid by the Company to the holder of Shares.  Your right to receive such accrued Dividend Units shall vest, and the Dividend Units shall be settled, to the same extent and at the same time as the underlying Units to which the Dividend Units relate vest and are settled, as provided in Sections 4 and 6 of this Agreement.  Any Dividend Units accrued on Units that are forfeited in accordance with this Agreement shall also be forfeited.  </font></div><div style="padding-left:36pt;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">8.&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;text-decoration:underline">Tax Consequences</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  No Shares will be delivered to you in settlement of vested Units unless you have made arrangements acceptable to the Company for payment of any federal, state, local or foreign taxes that may be due as a result of the delivery of the Shares.  </font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">9.&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;text-decoration:underline">Notices</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  Every notice or other communication relating to this Agreement shall be in writing and shall be mailed to or delivered (including electronically) to the party for whom it is intended at such address as may from time to time be designated by it in a notice mailed or delivered to the other party as herein provided.  Unless and until some other address is so designated, all notices or communications by you to the Company shall be mailed or delivered to the Company, to the attention of its Corporate Secretary, at its office at 7001 Mt. Rushmore Road, Rapid City, SD  57702, amy.koenig&#64;blackhillscorp.com, and all notices or communications by the Company to you may be given to you personally or may be mailed or, if you are still a Director, emailed to you at the address indicated in the Company's records as your most recent mailing or email address.</font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:112%">RSU Agreement &#8211; Non-Employee Directors</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:112%">                    </font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:112%">Page 3</font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:112%">US.131879010.03</font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div></div></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div><font><br></font></div></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">10.       </font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:700;line-height:120%;text-decoration:underline">Additional Provisions</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.</font></div><div style="padding-left:36pt;text-align:justify;text-indent:-36pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">a.</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt;text-decoration:underline">No Right to Continued Service</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  This Agreement does not give you a right to continue as a Director or other service provider with the Company or any Affiliate, regardless of the effect it may have upon you under this Agreement. </font></div><div style="padding-left:36pt;text-indent:-18pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">b.</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt;text-decoration:underline">Governing Plan Document</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  This Agreement and the Award are subject to all the provisions of the Omnibus Plan, the Non-Employee Director Equity Plan, and to all interpretations, rules and regulations which may, from time to time, be adopted and promulgated by the Committee pursuant to the Omnibus Plan and the Non-Employee Director Equity Plan.  If there is any conflict between the provisions of this Agreement and the Omnibus Plan or Non-Employee Director Equity Plan, the provisions of the Omnibus Plan or Non-Employee Director Equity Plan will govern.</font></div><div style="padding-left:36pt;text-indent:-18pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">c.</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:10.23pt;text-decoration:underline">Governing Law</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  This Agreement, the parties&#8217; performance hereunder, and the relationship between them shall be governed by, construed, and enforced in accordance with the laws of the State of South Dakota, without giving effect to the choice of law principles thereof.  The parties agree that any action relating to or arising out of this Agreement shall take place exclusively in the State of South Dakota, and you consent to the jurisdiction of the federal and&#47;or state courts in South Dakota.  You further consent to personal jurisdiction and venue in both such courts and to service of process by United States Mail or express courier service in any such action.</font></div><div style="padding-left:36pt;text-indent:-18pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">d.</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt;text-decoration:underline">Severability</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  The provisions of this Agreement shall be severable and if any provision of this Agreement is found by any court to be unenforceable, in whole or in part, the remainder of this Agreement shall nevertheless be enforceable and binding on the parties.  You also agree that any trier of fact may modify any invalid, overbroad or unenforceable provision of this Agreement so that such provision, as modified, is valid and enforceable under applicable law.</font></div><div style="padding-left:36pt;text-indent:-18pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">e.</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt;text-decoration:underline">Binding Effect</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  This Agreement will be binding in all respects on your heirs, representatives, successors and assigns, and on the successors and assigns of the Company.</font></div><div style="padding-left:36pt;text-indent:-18pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">f.</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:12.46pt;text-decoration:underline">Section 409A of the Code</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  </font><font style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Except to the extent Participant has elected to defer the Units pursuant to the terms of the </font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Non-Employee Director Equity Plan and his or her related deferral election form, </font><font style="background-color:#ffffff;color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">t</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">he award of Units as provided in this Agreement and any issuance of Shares or payment pursuant to this Agreement are intended to be exempt from Section 409A of the Code under the short-term deferral exception specified in Treas. Reg. &#167; 1.409A-l(b)(4).</font></div><div style="padding-left:36pt;text-indent:-18pt"><font><br></font></div><div style="padding-left:36pt;text-align:justify;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">g.</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%;padding-left:9.67pt;text-decoration:underline">Electronic Delivery and Acceptance</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.  The Company may deliver any documents related to this Restricted Stock Unit Award by electronic means and request your acceptance of this Agreement by electronic means.  You hereby consent to receive all applicable documentation by electronic delivery and to participate in the Omnibus Plan and Non-Employee Director Equity Plan through an on-line (and&#47;or voice activated) system established and maintained by the Company or, if appliable, the Company&#8217;s third-party stock plan administrator.</font></div><div><font><br></font></div><div style="text-align:justify"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">By signing the cover page of this Agreement or otherwise accepting this Agreement in a manner approved by the Company, you agree to all the terms and conditions described above, in the Omnibus Plan document and the Non-Employee Director Equity Plan document.</font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:112%">RSU Agreement &#8211; Non-Employee Directors</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:12pt;font-weight:400;line-height:112%">                    </font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:112%">Page 4</font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:112%">US.131879010.03</font></div><div><font><br></font></div><div><font><br></font></div><div><font><br></font></div></div></div></body></html>
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<title>Document</title></head><body><div id="i7d457f03ea004e44a81e27ded9c73168_1"></div><div style="min-height:36pt;width:100%"><div><font><br></font></div></div><div style="text-align:right"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Exhibit 21</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">BLACK HILLS CORPORATION SUBSIDIARIES</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">December 31, 2021</font></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:82.748%"><tr><td style="width:1.0%"></td><td style="width:4.730%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:69.571%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:22.399%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="background-color:#cccccc;border-left:1pt solid #000000;border-top:1pt solid #000000;padding:0 1pt"></td><td colspan="3" style="background-color:#cccccc;border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:middle"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Subsidiary Name</font></td><td colspan="3" style="background-color:#cccccc;border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:middle"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">State of Origin</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Colorado Electric, LLC *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Delaware</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Colorado Gas, Inc. *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Colorado IPP, LLC *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Colorado Wind, LLC </font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Delaware</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Electric Generation, LLC *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Energy Arkansas, Inc. *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Arkansas</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Energy Services Company *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Exploration and Production, Inc. *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Gas, Inc.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Delaware</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Gas, LLC</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Delaware</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Gas Holdings, LLC</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Delaware</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Gas Parent Holdings II, Inc.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Delaware</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">14.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Gas Resources, Inc. *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills&#47;Iowa Gas Utility Company, LLC *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Delaware</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills&#47;Kansas Gas Utility Company, LLC *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Kansas</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Nebraska Gas, LLC *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Delaware</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">18.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Non-regulated Holdings, LLC</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">19.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Plateau Production, LLC *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Delaware</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">20.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Power, Inc. *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Service Company, LLC *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">22.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Shoshone Pipeline, LLC *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">23.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Utility Holdings, Inc. *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Wyoming, LLC</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">25.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Wyoming Gas, LLC *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">26.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cheyenne Light, Fuel and Power Company *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Mallon Oil Company, Sucursal Costa Rica</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Costa Rica</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N780BH, LLC</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">29.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Northern Iowa Windpower, LLC </font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Delaware</font></td></tr><tr><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30.</font></td><td colspan="3" style="border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Rocky Mountain Natural Gas LLC *</font></td><td colspan="3" style="border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado</font></td></tr><tr><td colspan="3" style="border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">31.</font></td><td colspan="3" style="border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyodak Resources Development Corp. *</font></td><td colspan="3" style="border-bottom:1pt solid #000000;border-left:1pt solid #000000;border-right:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Delaware</font></td></tr></table></div><div style="padding-left:49.5pt"><font><br></font></div><div style="padding-left:40.5pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">* doing business as</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"> Black Hills Energy</font></div><div style="height:36pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>5
<FILENAME>bkhex-231auditconsent2021.htm
<DESCRIPTION>EX-23.1
<TEXT>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head>
<!-- Document created using Wdesk -->
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<title>Document</title></head><body><div id="i93969c04b3d14e77862a765b36505529_1"></div><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div style="text-align:right"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Exhibit 23.1</font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We consent to the incorporation by reference in Registration Statement Nos. 333-240320 and 333-240319 on Form S-3 and Registration Statement Nos. 333-170451, 333-217679, 333-170448, 333-170452, and 333-203714 on Form S-8 of our reports dated February 15, 2022, relating to the consolidated financial statements of Black Hills Corporation and subsidiaries (the &#8220;Company&#8221;), and the effectiveness of the Company&#8217;s internal control over financial reporting, appearing in this Annual Report on Form 10-K of Black Hills Corporation for the year ended December 31, 2021.</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#47;s&#47; DELOITTE &#38; TOUCHE LLP</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Minneapolis, Minnesota</font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">February&#160;15, 2022</font></div><div><font><br></font></div><div><font><br></font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>6
<FILENAME>bkhex-311ceo122021.htm
<DESCRIPTION>EX-31.1
<TEXT>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head>
<!-- Document created using Wdesk -->
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<title>Document</title></head><body><div id="i0fc745ed3cd64352ab5c563da38c0c71_1"></div><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div style="text-align:right"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Exhibit 31.1</font></div><div><font><br></font></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">CERTIFICATION</font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">I, Linden R. Evans, certify that&#58;</font></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:5.927%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.927%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:84.846%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1.</font></td><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">I have reviewed this Annual Report on Form 10-K of Black Hills Corporation&#59;</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.</font></td><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report&#59;</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.</font></td><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report&#59;</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.</font></td><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The registrant&#8217;s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have&#58;</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">a)</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared&#59;</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">b)</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles&#59;</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">c)</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Evaluated the effectiveness of the registrant&#8217;s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation&#59; and</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">d)</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Disclosed in this report any change in the registrant&#8217;s internal control over financial reporting that occurred during the registrant&#8217;s most recent fiscal quarter (the registrant&#8217;s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant&#8217;s internal control over financial reporting.</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.</font></td><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The registrant&#8217;s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant&#8217;s auditors and the audit committee of registrant&#8217;s board of directors (or persons performing the equivalent functions)&#58;</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">a)</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant&#8217;s ability to record, process, summarize and report financial information&#59; and</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">b)</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant&#8217;s internal control over financial reporting.</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div style="text-align:center"><font><br></font></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:4.610%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:26.425%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:32.282%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:32.283%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Date&#58;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">February 15, 2022</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#47;S&#47; LINDEN R. EVANS</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Linden R. Evans</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">President and Chief Executive Officer</font></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div><font><br></font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>7
<FILENAME>bkhex-312cfo122021.htm
<DESCRIPTION>EX-31.2
<TEXT>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head>
<!-- Document created using Wdesk -->
<!-- Copyright 2022 Workiva -->
<title>Document</title></head><body><div id="i7fba7290cf354b2bb1efd6b294004a20_1"></div><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div style="text-align:right"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Exhibit 31.2</font></div><div><font><br></font></div><div style="margin-bottom:5pt;margin-top:5pt;text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">CERTIFICATION</font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">I, Richard W. Kinzley, certify that&#58;</font></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:5.927%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.927%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:84.846%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1.</font></td><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">I have reviewed this Annual Report on Form 10-K of Black Hills Corporation&#59;</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.</font></td><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report&#59;</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.</font></td><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report&#59;</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.</font></td><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The registrant&#8217;s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have&#58;</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">a)</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared&#59;</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">b)</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles&#59;</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">c)</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Evaluated the effectiveness of the registrant&#8217;s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation&#59; and</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">d)</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Disclosed in this report any change in the registrant&#8217;s internal control over financial reporting that occurred during the registrant&#8217;s most recent fiscal quarter (the registrant&#8217;s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant&#8217;s internal control over financial reporting.</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.</font></td><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The registrant&#8217;s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant&#8217;s auditors and the audit committee of registrant&#8217;s board of directors (or persons performing the equivalent functions)&#58;</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">a)</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant&#8217;s ability to record, process, summarize and report financial information&#59; and</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">b)</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant&#8217;s internal control over financial reporting.</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:4.610%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:26.425%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:38.870%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:25.695%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Date&#58;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">February 15, 2022</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#47;S&#47; RICHARD W. KINZLEY</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Richard W. Kinzley</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Senior Vice President and Chief Financial Officer</font></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div><font><br></font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>8
<FILENAME>bkhex-321ceo122021.htm
<DESCRIPTION>EX-32.1
<TEXT>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head>
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<title>Document</title></head><body><div id="ic44b56b327954fd7905582d255ef66f7_1"></div><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div style="text-align:right"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Exhibit 32.1</font></div><div><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">CERTIFICATION PURSUANT TO</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">18 U.S.C. SECTION 1350,</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">AS ADOPTED PURSUANT TO</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002</font></div><div style="margin-bottom:5pt;margin-top:5pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In connection with the Annual Report of Black Hills Corporation (the &#8220;Company&#8221;) on Form 10-K for the year ended December&#160;31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the &#8220;Report&#8221;), I, Linden R. Evans, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. ss. 1350, as adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002, that&#58;</font></div><div style="margin-bottom:5pt;margin-top:10pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:5.927%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.927%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:84.846%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1)</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The Report fully complies with the requirements of Section 13 (a) or 15 (d) of the Securities Exchange Act of 1934&#59; and</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2)</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:4.610%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:26.425%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:32.282%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:32.283%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Date&#58;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">February 15, 2022</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#47;S&#47; LINDEN R. EVANS</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Linden R. Evans</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">President and Chief Executive Officer</font></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div><font><br></font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.2
<SEQUENCE>9
<FILENAME>bkhex-322cfo122021.htm
<DESCRIPTION>EX-32.2
<TEXT>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head>
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<title>Document</title></head><body><div id="i62ceb75d3c6144aa9f4c59bfed930c0d_1"></div><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div style="text-align:right"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Exhibit 32.2</font></div><div><font><br></font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">CERTIFICATION PURSUANT TO</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">18 U.S.C. SECTION 1350,</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">AS ADOPTED PURSUANT TO</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002</font></div><div style="margin-bottom:5pt;margin-top:5pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In connection with the Annual Report of Black Hills Corporation (the &#8220;Company&#8221;) on Form 10-K for the year ended December&#160;31, 2021 as filed with the Securities and Exchange Commission on the date hereof (the &#8220;Report&#8221;), I, Richard W. Kinzley, Senior Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. ss. 1350, as adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002, that&#58;</font></div><div style="margin-bottom:5pt;margin-top:10pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:5.927%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.927%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:84.846%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1)</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The Report fully complies with the requirements of Section 13 (a) or 15 (d) of the Securities Exchange Act of 1934&#59; and</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2)</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.</font></td></tr><tr style="height:9pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:4.325%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:26.612%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:38.929%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:25.734%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:right;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Date&#58;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">February 15, 2022</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#47;S&#47; RICHARD W. KINZLEY</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Richard W. Kinzley</font></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Senior Vice President and Chief Financial Officer</font></td><td colspan="3" style="padding:0 1pt"></td></tr></table></div><div><font><br></font></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div><font><br></font></div></div></div></body></html>
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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-95
<SEQUENCE>10
<FILENAME>bkhex-95minesafetydata1220.htm
<DESCRIPTION>EX-95
<TEXT>
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<title>Document</title></head><body><div id="ib7bf611fd1be4a6caafb81cc72811f1d_1"></div><div style="min-height:42.75pt;width:100%"><div><font><br></font></div></div><div style="text-align:right"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Exhibit 95</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Information concerning mine safety violations or other regulatory matters required by Sections 1503(a) of Dodd-Frank is included below.</font></div><div><font><br></font></div><div style="margin-bottom:10pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Mine Safety and Health Administration Safety Data</font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Safety is a core value at Black Hills Corporation and at each of its subsidiary operations.  We have in place a comprehensive safety program that includes extensive health and safety training for all employees, site inspections, emergency response preparedness, crisis communications training, incident investigation, regulatory compliance training and process auditing, as well as an open dialogue between all levels of employees.  The goals of our processes are to eliminate exposure to hazards in the workplace, ensure that we comply with all mine safety regulations, and support regulatory and industry efforts to improve the health and safety of our employees along with the industry as a whole.</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Under the Dodd-Frank Act, each operator of a coal or other mine is required to include certain mine safety results in its periodic reports filed with the SEC.  Our mining operation, consisting of Wyodak Coal Mine, is subject to regulation by the federal Mine Safety and Health Administration (&#8220;MSHA&#8221;) under the Federal Mine Safety and Health Act of 1977 (the &#8220;Mine Act&#8221;).  Below we present the following information regarding certain mining safety and health matters for the twelve month period ended December 31, 2021.  In evaluating this information, consideration should be given to factors such as&#58;  (i)&#160;the number of citations and orders will vary depending on the size of the coal mine, (ii)&#160;the number of citations issued will vary from inspector to inspector and mine to mine, and (iii)&#160;citations and orders can be contested and appealed, and in that process, are often reduced in severity and amount, and are sometimes dismissed.  The information presented includes&#58;</font></div><div><font><br></font></div><div style="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Total number of violations of mandatory health and safety standards that could significantly and substantially contribute to the cause and effect of a coal or other mine safety or health hazard under section 104 of the Mine Act for which we have received a citation from MSHA&#59;</font></div><div><font><br></font></div><div style="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Total number of orders issued under section 104(b) of the Mine Act&#59;</font></div><div><font><br></font></div><div style="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Total number of citations and orders for unwarrantable failure of the mine operator to comply with mandatory health and safety standards under section 104(d) of the Mine Act&#59;</font></div><div><font><br></font></div><div style="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Total number of imminent danger orders issued under section 107(a) of the Mine Act&#59; and</font></div><div><font><br></font></div><div style="padding-left:36pt;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Total dollar value of proposed assessments from MSHA under the Mine Act.</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The table below sets forth the total number of citations and&#47;or orders issued by MSHA to WRDC under the indicated provisions of the Mine Act, together with the total dollar value of proposed MSHA assessments received during the twelve months ended December 31, 2021 and legal actions pending before the Federal Mine Safety and Health Review Commission, together with the Administrative Law Judges thereof, for WRDC, our only mining complex.  All citations were abated within 24 hours of issue.</font></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:9.295%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:9.588%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.488%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.659%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.952%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.952%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.709%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.367%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:8.709%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.074%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:5.927%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:6.080%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Mine&#47;MSHA Identification</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Mine Act Section 104 S&#38;S Citations issued during twelve months ended</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Mine Act Section 104(b)</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Mine Act Section 104(d) Citations and</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Mine Act Section 110(b)(2)</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Mine Act Section 107(a) Imminent Danger</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Total Dollar Value of Proposed MSHA</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Total Number of Mining Related</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Received Notice of Potential to Have Pattern Under Section</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Legal Actions Pending as of Last Day of </font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Legal Actions Initiated During</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Legal Actions Resolved During</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Number</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">December 31</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Orders</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Orders</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Violations</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Orders</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Assessments</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Fatalities</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">104(e)</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Period</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Period</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">Period</font></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">2021</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">(#)</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">(#)</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">(#)</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">(#)</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">(a)</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">(#)</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">(yes&#47;no)</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">(#)</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">(#)</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:700;line-height:100%">(#)</font></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">Wyodak Coal Mine - 4800083</font></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">&#8212;</font></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">&#8212;</font></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">&#8212;</font></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">&#8212;</font></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">&#8212;</font></td><td style="border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">$</font></td><td style="border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><font 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1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">&#8212;</font></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:7pt;font-weight:400;line-height:100%">&#8212;</font></td></tr></table></div><div><font style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">________________________</font></div><div style="padding-left:18pt;text-indent:-18pt"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The types of proceedings by class&#58; (1) Contests of citations and orders &#8211; none&#59; (2) contests of proposed penalties &#8211; none&#59; (3) complaints for compensation &#8211; none&#59; (4) complaints of discharge, discrimination or 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<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>14
<FILENAME>bkh-20211231_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2022 Workiva-->
<!--r:3797fabb-a741-47fa-a2b9-cb6c316a3663,g:a90153d7-bc62-43e6-a09b-3c10f6c7f016-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
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  <link:roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel"/>
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  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_f60135a0-a3df-466a-b076-4835bdfa2f67_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Shares Vested</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
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    <link:label id="lab_srt_ConsolidatedEntitiesAxis_cd81b070-8527-4113-9ef0-3723d9eb5b5b_terseLabel_en-US" xlink:label="lab_srt_ConsolidatedEntitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Consolidated Entities [Axis]</link:label>
    <link:label id="lab_srt_ConsolidatedEntitiesAxis_label_en-US" xlink:label="lab_srt_ConsolidatedEntitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Consolidated Entities [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ConsolidatedEntitiesAxis" xlink:to="lab_srt_ConsolidatedEntitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PreferredStockSharesOutstanding_c79958db-3e52-46df-8835-59afbcf0575d_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Preferred Stock, Shares Outstanding</link:label>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_3e0d749b-b58f-4b1f-823f-cce8d2c8467e_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, Plant and Equipment [Line Items]</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, Plant and Equipment [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityWellKnownSeasonedIssuer_c9406143-c7f4-43dd-bba3-589fe8692558_terseLabel_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Well-known Seasoned Issuer</link:label>
    <link:label id="lab_dei_EntityWellKnownSeasonedIssuer_label_en-US" xlink:label="lab_dei_EntityWellKnownSeasonedIssuer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Well-known Seasoned Issuer</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityWellKnownSeasonedIssuer"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityWellKnownSeasonedIssuer" xlink:to="lab_dei_EntityWellKnownSeasonedIssuer" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtWeightedAverageInterestRate_67fee7b3-0fee-446d-98fb-85cfd3aff396_terseLabel_en-US" xlink:label="lab_us-gaap_DebtWeightedAverageInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt, Weighted Average Interest Rate</link:label>
    <link:label id="lab_us-gaap_DebtWeightedAverageInterestRate_label_en-US" xlink:label="lab_us-gaap_DebtWeightedAverageInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt, Weighted Average Interest Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtWeightedAverageInterestRate" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtWeightedAverageInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtWeightedAverageInterestRate" xlink:to="lab_us-gaap_DebtWeightedAverageInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_a54f5612-c1bd-4702-ae59-6e20968f5296_totalLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Comprehensive income</link:label>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="lab_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_2fe1fbeb-c48e-4e51-b147-8d55f67a3980_terseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employee benefit plans</link:label>
    <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense_label_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pension and Other Postretirement Benefits Cost (Reversal of Cost)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PensionAndOtherPostretirementBenefitExpense" xlink:to="lab_us-gaap_PensionAndOtherPostretirementBenefitExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CompensationRelatedCostsPolicyTextBlock_13c3aec4-0240-4991-a5ec-dd5d62cc683d_terseLabel_en-US" xlink:label="lab_us-gaap_CompensationRelatedCostsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-Based Compensation</link:label>
    <link:label id="lab_us-gaap_CompensationRelatedCostsPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_CompensationRelatedCostsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Compensation Related Costs, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationRelatedCostsPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CompensationRelatedCostsPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CompensationRelatedCostsPolicyTextBlock" xlink:to="lab_us-gaap_CompensationRelatedCostsPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherNonoperatingIncomeExpenseMember_64cb37f2-49c4-41b4-9c6a-67ad9390f776_terseLabel_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpenseMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Nonoperating Income (Expense)</link:label>
    <link:label id="lab_us-gaap_OtherNonoperatingIncomeExpenseMember_label_en-US" xlink:label="lab_us-gaap_OtherNonoperatingIncomeExpenseMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Nonoperating Income (Expense) [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpenseMember" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpenseMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseMember" xlink:to="lab_us-gaap_OtherNonoperatingIncomeExpenseMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EarningsPerShareBasic_6569b97a-1620-45a4-8c8c-38de48ecbcb3_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings per share, Basic (usd per share)</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareBasic_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings Per Share, Basic</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasic" xlink:to="lab_us-gaap_EarningsPerShareBasic" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock_4ead88a1-52ad-4759-8a6b-3b628a14d352_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, Plant and Equipment (AFUDC)</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities General Disclosures [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock" xlink:to="lab_us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RevenueFromContractWithCustomerTextBlock_77ac7f6c-e6ab-4aa8-8bf1-1902acf5b30d_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue</link:label>
    <link:label id="lab_us-gaap_RevenueFromContractWithCustomerTextBlock_label_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue from Contract with Customer [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerTextBlock"/>
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    <link:label id="lab_bkh_AnnualTCJARelatedCustomerBillingCredits_71c30e94-6175-4395-a36d-e68dea27c8b2_terseLabel_en-US" xlink:label="lab_bkh_AnnualTCJARelatedCustomerBillingCredits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Annual TCJA-Related Customer Billing Credits</link:label>
    <link:label id="lab_bkh_AnnualTCJARelatedCustomerBillingCredits_label_en-US" xlink:label="lab_bkh_AnnualTCJARelatedCustomerBillingCredits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Annual TCJA-Related Customer Billing Credits</link:label>
    <link:label id="lab_bkh_AnnualTCJARelatedCustomerBillingCredits_documentation_en-US" xlink:label="lab_bkh_AnnualTCJARelatedCustomerBillingCredits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Annual TCJA-Related Customer Billing Credits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_AnnualTCJARelatedCustomerBillingCredits" xlink:href="bkh-20211231.xsd#bkh_AnnualTCJARelatedCustomerBillingCredits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_AnnualTCJARelatedCustomerBillingCredits" xlink:to="lab_bkh_AnnualTCJARelatedCustomerBillingCredits" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RestrictedCashAndInvestmentsCurrent_fa60c1f2-7fb4-4556-b53e-7029e719af7a_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedCashAndInvestmentsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Restricted cash and equivalents</link:label>
    <link:label id="lab_us-gaap_RestrictedCashAndInvestmentsCurrent_label_en-US" xlink:label="lab_us-gaap_RestrictedCashAndInvestmentsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Restricted Cash and Investments, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndInvestmentsCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedCashAndInvestmentsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedCashAndInvestmentsCurrent" xlink:to="lab_us-gaap_RestrictedCashAndInvestmentsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_cbadb029-5e06-4301-ae94-a95bf8cfcfb7_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatoryAgencyAxis_f7da60f8-49bf-4252-9171-c75de0bb5c74_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryAgencyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory Agency [Axis]</link:label>
    <link:label id="lab_us-gaap_RegulatoryAgencyAxis_label_en-US" xlink:label="lab_us-gaap_RegulatoryAgencyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory Agency [Axis]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatoryAgencyAxis" xlink:to="lab_us-gaap_RegulatoryAgencyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_NebraskaPublicServiceCommissionNPSCMember_a7e119de-4d30-4ae0-a05f-89e951efa70e_terseLabel_en-US" xlink:label="lab_bkh_NebraskaPublicServiceCommissionNPSCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Nebraska Public Service Commission (NPSC)</link:label>
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    <link:label id="lab_bkh_NebraskaPublicServiceCommissionNPSCMember_documentation_en-US" xlink:label="lab_bkh_NebraskaPublicServiceCommissionNPSCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Nebraska Public Service Commission (NPSC) [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_NebraskaPublicServiceCommissionNPSCMember" xlink:href="bkh-20211231.xsd#bkh_NebraskaPublicServiceCommissionNPSCMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_NebraskaPublicServiceCommissionNPSCMember" xlink:to="lab_bkh_NebraskaPublicServiceCommissionNPSCMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_PublicUtilitiesRequestedTermExtensionOfSystemSafetyAndIntegrityRider_c302b933-88aa-494a-921f-39493acdf399_terseLabel_en-US" xlink:label="lab_bkh_PublicUtilitiesRequestedTermExtensionOfSystemSafetyAndIntegrityRider" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities, Requested Term Extension of System Safety and Integrity Rider</link:label>
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    <link:label id="lab_bkh_PublicUtilitiesRequestedTermExtensionOfSystemSafetyAndIntegrityRider_documentation_en-US" xlink:label="lab_bkh_PublicUtilitiesRequestedTermExtensionOfSystemSafetyAndIntegrityRider" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities, Requested Term Extension of System Safety and Integrity Rider</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_PublicUtilitiesRequestedTermExtensionOfSystemSafetyAndIntegrityRider" xlink:href="bkh-20211231.xsd#bkh_PublicUtilitiesRequestedTermExtensionOfSystemSafetyAndIntegrityRider"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_PublicUtilitiesRequestedTermExtensionOfSystemSafetyAndIntegrityRider" xlink:to="lab_bkh_PublicUtilitiesRequestedTermExtensionOfSystemSafetyAndIntegrityRider" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueDisclosureItemAmountsDomain_6f69dec8-e4f5-48c7-a05a-74163ff13fc8_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueDisclosureItemAmountsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fair Value Measurement [Domain]</link:label>
    <link:label id="lab_us-gaap_FairValueDisclosureItemAmountsDomain_label_en-US" xlink:label="lab_us-gaap_FairValueDisclosureItemAmountsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fair Value Measurement [Domain]</link:label>
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    <link:label id="lab_srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember_a2bb327b-ded7-465e-9a69-cfbc318f26f5_terseLabel_en-US" xlink:label="lab_srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cumulative Effect, Period of Adoption, Adjustment</link:label>
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    <link:label id="lab_bkh_WeightedAverageNumberOfSharesOutstandingBasicAndDilutedAbstract_7cc6cd4f-f3e1-4172-b543-1e7081433c0a_verboseLabel_en-US" xlink:label="lab_bkh_WeightedAverageNumberOfSharesOutstandingBasicAndDilutedAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average common shares outstanding:</link:label>
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    <link:label id="lab_us-gaap_CommercialPaperMember_33da3956-8c94-4606-ae3b-081064afaab4_terseLabel_en-US" xlink:label="lab_us-gaap_CommercialPaperMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Commercial Paper</link:label>
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    <link:label id="lab_us-gaap_DeferredTaxLiabilities_f4859d26-bd1d-47d3-a530-723a3790ee6f_negatedTotalLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net deferred tax liability</link:label>
    <link:label id="lab_us-gaap_DeferredTaxLiabilities_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Liabilities, Net</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxLiabilities" xlink:to="lab_us-gaap_DeferredTaxLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherNoncashIncomeExpense_144f85ab-0e6c-405c-9560-2cf9ec1c7207_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other adjustments, net</link:label>
    <link:label id="lab_us-gaap_OtherNoncashIncomeExpense_label_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Noncash Income (Expense)</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherNoncashIncomeExpense" xlink:to="lab_us-gaap_OtherNoncashIncomeExpense" xlink:type="arc" order="1"/>
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    <link:label id="lab_us-gaap_FutureMember_b4a04be2-5ac0-4bc9-9205-9b3dc2a18070_terseLabel_en-US" xlink:label="lab_us-gaap_FutureMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Future</link:label>
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    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary_1de6f478-6f2e-4060-8e01-144e28a22e9e_verboseLabel_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2022</link:label>
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    <link:label id="lab_us-gaap_RegulatoryLiabilityAxis_b2b36f2b-41d8-46a3-a136-bf2cff559a94_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory Liability [Axis]</link:label>
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    <link:label id="lab_us-gaap_PlanAssetCategoriesDomain_c6f4652d-316e-4b1f-a4ec-9fd976955cac_terseLabel_en-US" xlink:label="lab_us-gaap_PlanAssetCategoriesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Category [Domain]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PlanAssetCategoriesDomain" xlink:to="lab_us-gaap_PlanAssetCategoriesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PlanNameAxis_a788176f-ae39-46e3-ad39-d0c30b3e5441_terseLabel_en-US" xlink:label="lab_us-gaap_PlanNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plan Name [Axis]</link:label>
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    <link:label id="lab_us-gaap_FixedIncomeFundsMember_acb2febd-00e2-498d-8262-989e81386717_terseLabel_en-US" xlink:label="lab_us-gaap_FixedIncomeFundsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fixed Income</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FixedIncomeFundsMember" xlink:to="lab_us-gaap_FixedIncomeFundsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LongTermDebt_fcf6efa1-adb4-4a2f-82cc-4c58f5c90635_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-term Debt</link:label>
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    <link:label id="lab_us-gaap_RetirementPlanNameAxis_3e9c74a4-5169-4223-921e-a1b1b881de4b_terseLabel_en-US" xlink:label="lab_us-gaap_RetirementPlanNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Retirement Plan Name [Axis]</link:label>
    <link:label id="lab_us-gaap_RetirementPlanNameAxis_label_en-US" xlink:label="lab_us-gaap_RetirementPlanNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Retirement Plan Name [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanNameAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetirementPlanNameAxis"/>
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    <link:label id="lab_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_ece01d57-7f72-4e60-a2aa-44fe2d799027_periodStartLabel_en-US" xlink:label="lab_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Liability for Uncertain Tax Positions, Noncurrent, Period Start</link:label>
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    <link:label id="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock_label_en-US" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Table Text Block]</link:label>
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    <link:label id="lab_us-gaap_BalanceSheetLocationDomain_0c373976-fe2e-4be8-badb-5cab8cfd97b3_terseLabel_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Balance Sheet Location [Domain]</link:label>
    <link:label id="lab_us-gaap_BalanceSheetLocationDomain_label_en-US" xlink:label="lab_us-gaap_BalanceSheetLocationDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Balance Sheet Location [Domain]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BalanceSheetLocationDomain" xlink:to="lab_us-gaap_BalanceSheetLocationDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeOnDerivativesLineItems_7d80bd30-c49d-425c-b113-2c204331b28b_terseLabel_en-US" xlink:label="lab_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeOnDerivativesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]</link:label>
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    <link:label id="lab_bkh_SettlementOfPlanToProvideTCJARelatedCustomerBillingCreditsToItsCustomers_469ca314-aaba-4636-9be0-5adf89160196_terseLabel_en-US" xlink:label="lab_bkh_SettlementOfPlanToProvideTCJARelatedCustomerBillingCreditsToItsCustomers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Settlement of plan to provide TCJA-related customer billing credits to its customers</link:label>
    <link:label id="lab_bkh_SettlementOfPlanToProvideTCJARelatedCustomerBillingCreditsToItsCustomers_label_en-US" xlink:label="lab_bkh_SettlementOfPlanToProvideTCJARelatedCustomerBillingCreditsToItsCustomers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Settlement of plan to provide TCJA-related customer billing credits to its customers</link:label>
    <link:label id="lab_bkh_SettlementOfPlanToProvideTCJARelatedCustomerBillingCreditsToItsCustomers_documentation_en-US" xlink:label="lab_bkh_SettlementOfPlanToProvideTCJARelatedCustomerBillingCreditsToItsCustomers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Settlement of plan to provide TCJA-related customer billing credits to its customers. The billing credits, which represent a disposition of excess deferred income tax benefits resulting from the TCJA, will be delivered to customers in the next fiscal year.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_SettlementOfPlanToProvideTCJARelatedCustomerBillingCreditsToItsCustomers" xlink:href="bkh-20211231.xsd#bkh_SettlementOfPlanToProvideTCJARelatedCustomerBillingCreditsToItsCustomers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_SettlementOfPlanToProvideTCJARelatedCustomerBillingCreditsToItsCustomers" xlink:to="lab_bkh_SettlementOfPlanToProvideTCJARelatedCustomerBillingCreditsToItsCustomers" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxAuthorityDomain_cdfb3135-0b80-4323-97d7-3ac580ce9147_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxAuthorityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Authority [Domain]</link:label>
    <link:label id="lab_us-gaap_IncomeTaxAuthorityDomain_label_en-US" xlink:label="lab_us-gaap_IncomeTaxAuthorityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Authority [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
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    <link:label id="lab_bkh_DebtInstrumentDebtToCapitalizationRatioRequirement_722ca7c5-1b57-436f-b2d4-707bc6ca0f04_terseLabel_en-US" xlink:label="lab_bkh_DebtInstrumentDebtToCapitalizationRatioRequirement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt Instrument, Debt to Capitalization Ratio Requirement</link:label>
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    <link:label id="lab_bkh_DebtInstrumentDebtToCapitalizationRatioRequirement_documentation_en-US" xlink:label="lab_bkh_DebtInstrumentDebtToCapitalizationRatioRequirement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt Instrument, Debt to Capitalization Ratio Requirement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_DebtInstrumentDebtToCapitalizationRatioRequirement" xlink:href="bkh-20211231.xsd#bkh_DebtInstrumentDebtToCapitalizationRatioRequirement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_DebtInstrumentDebtToCapitalizationRatioRequirement" xlink:to="lab_bkh_DebtInstrumentDebtToCapitalizationRatioRequirement" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock_097e9a27-39fe-47d1-bd30-e5ca336bbcaa_terseLabel_en-US" xlink:label="lab_us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Summary of Operating Loss Carryforwards</link:label>
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    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_b744e987-16da-492b-86d3-269601b5c691_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
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    <link:label id="lab_bkh_FallRiverSolarMember_76d7e438-b201-4f84-9ef7-d0aaaf0f76f5_terseLabel_en-US" xlink:label="lab_bkh_FallRiverSolarMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fall River Solar</link:label>
    <link:label id="lab_bkh_FallRiverSolarMember_label_en-US" xlink:label="lab_bkh_FallRiverSolarMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fall River Solar [Member]</link:label>
    <link:label id="lab_bkh_FallRiverSolarMember_documentation_en-US" xlink:label="lab_bkh_FallRiverSolarMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fall River Solar, LLC</link:label>
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    <link:label id="lab_bkh_BlackHillsEnergyKansasGasMember_7680a219-c18f-4a98-b063-24d75966f48e_terseLabel_en-US" xlink:label="lab_bkh_BlackHillsEnergyKansasGasMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Black Hills Energy, Kansas Gas</link:label>
    <link:label id="lab_bkh_BlackHillsEnergyKansasGasMember_label_en-US" xlink:label="lab_bkh_BlackHillsEnergyKansasGasMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Black Hills Energy, Kansas Gas [Member]</link:label>
    <link:label id="lab_bkh_BlackHillsEnergyKansasGasMember_documentation_en-US" xlink:label="lab_bkh_BlackHillsEnergyKansasGasMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Black Hills Energy, Kansas Gas</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_BlackHillsEnergyKansasGasMember" xlink:to="lab_bkh_BlackHillsEnergyKansasGasMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeAssetsCurrent_e252651d-6350-4973-a869-4c519adb9f7c_verboseLabel_en-US" xlink:label="lab_us-gaap_DerivativeAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derivative assets, current</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeAssetsCurrent" xlink:to="lab_us-gaap_DerivativeAssetsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressStateOrProvince_a547e867-12bd-4c99-8d5a-ea69a88824a9_terseLabel_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, State or Province</link:label>
    <link:label id="lab_dei_EntityAddressStateOrProvince_label_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, State or Province</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressStateOrProvince"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressStateOrProvince" xlink:to="lab_dei_EntityAddressStateOrProvince" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_UtilitiesGroupMember_3d22fe59-b5a2-4228-99a4-1be2cfdeb70b_terseLabel_en-US" xlink:label="lab_bkh_UtilitiesGroupMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Utilities Group</link:label>
    <link:label id="lab_bkh_UtilitiesGroupMember_label_en-US" xlink:label="lab_bkh_UtilitiesGroupMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Utilities Group [Member]</link:label>
    <link:label id="lab_bkh_UtilitiesGroupMember_documentation_en-US" xlink:label="lab_bkh_UtilitiesGroupMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Utilities Group - consists of our Electric Utilities and our Gas Utilities segments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_UtilitiesGroupMember" xlink:href="bkh-20211231.xsd#bkh_UtilitiesGroupMember"/>
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    <link:label id="lab_us-gaap_AssetRetirementObligationLiabilitiesIncurred_bcfaa9b6-085e-4436-8f8c-9cf0ca0fac84_terseLabel_en-US" xlink:label="lab_us-gaap_AssetRetirementObligationLiabilitiesIncurred" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Liabilities Incurred</link:label>
    <link:label id="lab_us-gaap_AssetRetirementObligationLiabilitiesIncurred_label_en-US" xlink:label="lab_us-gaap_AssetRetirementObligationLiabilitiesIncurred" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Asset Retirement Obligation, Liabilities Incurred</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationLiabilitiesIncurred" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetRetirementObligationLiabilitiesIncurred"/>
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    <link:label id="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths_998dff15-a651-47fb-b2f7-6ca58c33120b_terseLabel_en-US" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2021</link:label>
    <link:label id="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths_label_en-US" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lessor, Operating Lease, Payment to be Received, Year One</link:label>
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    <link:label id="lab_bkh_SouthDakotaElectricandWyomingElectricMember_4fa7f0d4-c614-478e-a88b-607ae19f0c22_terseLabel_en-US" xlink:label="lab_bkh_SouthDakotaElectricandWyomingElectricMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">South Dakota Electric and Wyoming Electric</link:label>
    <link:label id="lab_bkh_SouthDakotaElectricandWyomingElectricMember_label_en-US" xlink:label="lab_bkh_SouthDakotaElectricandWyomingElectricMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">South Dakota Electric and Wyoming Electric [Member]</link:label>
    <link:label id="lab_bkh_SouthDakotaElectricandWyomingElectricMember_documentation_en-US" xlink:label="lab_bkh_SouthDakotaElectricandWyomingElectricMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">South Dakota Electric and Wyoming Electric [Member]</link:label>
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    <link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_fbaf8804-0f46-4bd1-9e62-5978191e6490_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current liabilities:</link:label>
    <link:label id="lab_us-gaap_LiabilitiesCurrentAbstract_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Liabilities, Current [Abstract]</link:label>
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    <link:label id="lab_bkh_MacquarieEnergyLLCSupplyAgreementMember_4d81d6d9-6f17-44b1-8720-38ce3ff3a255_terseLabel_en-US" xlink:label="lab_bkh_MacquarieEnergyLLCSupplyAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Macquarie Energy, LLC Supply Agreement</link:label>
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    <link:label id="lab_bkh_MacquarieEnergyLLCSupplyAgreementMember_documentation_en-US" xlink:label="lab_bkh_MacquarieEnergyLLCSupplyAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Macquarie Energy, LLC Supply Agreement [Member]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwardsValuationAllowance" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLossCarryforwardsValuationAllowance"/>
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    <link:label id="lab_bkh_BlackHillsWyomingandWyomingElectricMember_e35f99ac-b7ac-4d0f-a24f-6e7433ed8af9_terseLabel_en-US" xlink:label="lab_bkh_BlackHillsWyomingandWyomingElectricMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Black Hills Wyoming and Wyoming Electric</link:label>
    <link:label id="lab_bkh_BlackHillsWyomingandWyomingElectricMember_label_en-US" xlink:label="lab_bkh_BlackHillsWyomingandWyomingElectricMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Black Hills Wyoming and Wyoming Electric [Member]</link:label>
    <link:label id="lab_bkh_BlackHillsWyomingandWyomingElectricMember_documentation_en-US" xlink:label="lab_bkh_BlackHillsWyomingandWyomingElectricMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Black Hills Wyoming and Wyoming Electric [Member]</link:label>
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    <link:label id="lab_bkh_WyodakPlantMember_dbce1a34-12c4-4fea-b1e0-1d2c453a2146_terseLabel_en-US" xlink:label="lab_bkh_WyodakPlantMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Wyodak Plant</link:label>
    <link:label id="lab_bkh_WyodakPlantMember_label_en-US" xlink:label="lab_bkh_WyodakPlantMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Wyodak Plant [Member]</link:label>
    <link:label id="lab_bkh_WyodakPlantMember_documentation_en-US" xlink:label="lab_bkh_WyodakPlantMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Wyodak Plant - power generation plant owned 20% by Black Hills Power and 80% by Pacificorp[Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_WyodakPlantMember" xlink:href="bkh-20211231.xsd#bkh_WyodakPlantMember"/>
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    <link:label id="lab_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember_1d40d5f7-281d-4922-afa4-a81569129728_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Supplemental Employee Retirement Plan</link:label>
    <link:label id="lab_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember_label_en-US" xlink:label="lab_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Supplemental Employee Retirement Plan [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember"/>
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    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued"/>
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    <link:label id="lab_us-gaap_EquitySecuritiesMember_008135d8-bd71-4190-8e5c-5c4a5894d9f0_terseLabel_en-US" xlink:label="lab_us-gaap_EquitySecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Investment in privately held oil and gas company</link:label>
    <link:label id="lab_us-gaap_EquitySecuritiesMember_label_en-US" xlink:label="lab_us-gaap_EquitySecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity Securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesMember" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquitySecuritiesMember"/>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour_666624f0-1de5-42b8-bf0b-c4b1a5e06dc7_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2025</link:label>
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    <link:label id="lab_bkh_ColoradoElectricMember_1d6fd435-d4d7-4c95-a661-483653ed283a_terseLabel_en-US" xlink:label="lab_bkh_ColoradoElectricMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Colorado Electric</link:label>
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    <link:label id="lab_bkh_ColoradoElectricMember_documentation_en-US" xlink:label="lab_bkh_ColoradoElectricMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Colorado Electric [Member]</link:label>
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    <link:label id="lab_bkh_OtherMember_662e204f-1564-45fd-8e02-b9adbdac680b_terseLabel_en-US" xlink:label="lab_bkh_OtherMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other revenues</link:label>
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    <link:label id="lab_bkh_OtherMember_documentation_en-US" xlink:label="lab_bkh_OtherMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other [Member]</link:label>
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    <link:label id="lab_us-gaap_AntidilutiveSecuritiesNameDomain_bb61b79e-2e9b-4d53-ae55-403e432d2233_terseLabel_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Antidilutive Securities, Name [Domain]</link:label>
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    <link:label id="lab_bkh_DeferredTaxLiabilityState_808110ff-ce14-4f97-8bbd-f0eb4a530deb_negatedTerseLabel_en-US" xlink:label="lab_bkh_DeferredTaxLiabilityState" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">State deferred tax liability (a)</link:label>
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    <link:label id="lab_dei_LegalEntityAxis_fde07d1c-1606-4084-ac74-3e36608f7554_terseLabel_en-US" xlink:label="lab_dei_LegalEntityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:label id="lab_dei_LegalEntityAxis_label_en-US" xlink:label="lab_dei_LegalEntityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LegalEntityAxis" xlink:to="lab_dei_LegalEntityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_96d9fc14-7415-4b3b-8981-f9c8e6f76885_terseLabel_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity compensation (in shares)</link:label>
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    <link:label id="lab_bkh_RevenueRefundedToCustomersAsAResultOfTheTCJATaxBenefits_7b06baad-d816-46ab-b3d5-d006c6b1f2d4_terseLabel_en-US" xlink:label="lab_bkh_RevenueRefundedToCustomersAsAResultOfTheTCJATaxBenefits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue Refunded To Customers As A Result Of The TCJA Tax Benefits</link:label>
    <link:label id="lab_bkh_RevenueRefundedToCustomersAsAResultOfTheTCJATaxBenefits_label_en-US" xlink:label="lab_bkh_RevenueRefundedToCustomersAsAResultOfTheTCJATaxBenefits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue Refunded To Customers As A Result Of The TCJA Tax Benefits</link:label>
    <link:label id="lab_bkh_RevenueRefundedToCustomersAsAResultOfTheTCJATaxBenefits_documentation_en-US" xlink:label="lab_bkh_RevenueRefundedToCustomersAsAResultOfTheTCJATaxBenefits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue Refunded To Customers As A Result Of The TCJA Tax Benefits</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_RevenueRefundedToCustomersAsAResultOfTheTCJATaxBenefits" xlink:href="bkh-20211231.xsd#bkh_RevenueRefundedToCustomersAsAResultOfTheTCJATaxBenefits"/>
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    <link:label id="lab_us-gaap_GoodwillLineItems_c5481720-d374-4cb4-8ab0-adc0549e3e51_terseLabel_en-US" xlink:label="lab_us-gaap_GoodwillLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Goodwill [Line Items]</link:label>
    <link:label id="lab_us-gaap_GoodwillLineItems_label_en-US" xlink:label="lab_us-gaap_GoodwillLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Goodwill [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GoodwillLineItems" xlink:to="lab_us-gaap_GoodwillLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear_5f9e760d-d544-42d3-bd85-8c723f8213d4_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Post-65 for next year - All Plans</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear"/>
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    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax_40066b59-0ff5-4a61-bd91-567307b6ae46_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reclassification adjustment of benefit plan liability - prior service cost (net of tax of $27, $23 and $19, respectively)</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax"/>
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    <link:label id="lab_bkh_NorthwestWyomingPoolMember_efcc4ea1-cbdd-4cd3-bf79-cdbfc21cc03b_terseLabel_en-US" xlink:label="lab_bkh_NorthwestWyomingPoolMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Northwest Pipeline - Wyoming</link:label>
    <link:label id="lab_bkh_NorthwestWyomingPoolMember_label_en-US" xlink:label="lab_bkh_NorthwestWyomingPoolMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Northwest Wyoming Pool [Member]</link:label>
    <link:label id="lab_bkh_NorthwestWyomingPoolMember_documentation_en-US" xlink:label="lab_bkh_NorthwestWyomingPoolMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Northwest Wyoming Pool [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_NorthwestWyomingPoolMember" xlink:href="bkh-20211231.xsd#bkh_NorthwestWyomingPoolMember"/>
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    <link:label id="lab_us-gaap_InterestCostsIncurred_b10a400e-0a52-4187-ab94-164f8e43d858_negatedLabel_en-US" xlink:label="lab_us-gaap_InterestCostsIncurred" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest expense incurred net of amounts capitalized (including amortization of debt issuance costs, premiums and discounts)</link:label>
    <link:label id="lab_us-gaap_InterestCostsIncurred_76290919-033e-405b-86e4-1206ac44fc27_terseLabel_en-US" xlink:label="lab_us-gaap_InterestCostsIncurred" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest expense</link:label>
    <link:label id="lab_us-gaap_InterestCostsIncurred_label_en-US" xlink:label="lab_us-gaap_InterestCostsIncurred" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Interest Costs Incurred</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestCostsIncurred" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestCostsIncurred"/>
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    <link:label id="lab_us-gaap_SummaryOfIncomeTaxContingenciesTextBlock_98d449cc-122a-47de-aa49-96254ba1395c_terseLabel_en-US" xlink:label="lab_us-gaap_SummaryOfIncomeTaxContingenciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Summary of Income Tax Contingencies</link:label>
    <link:label id="lab_us-gaap_SummaryOfIncomeTaxContingenciesTextBlock_label_en-US" xlink:label="lab_us-gaap_SummaryOfIncomeTaxContingenciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Summary of Income Tax Contingencies [Table Text Block]</link:label>
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    <link:label id="lab_bkh_WygenIGeneratingFacilityMember_527b7f62-ddfa-48f1-978c-f5a7ac6d3905_terseLabel_en-US" xlink:label="lab_bkh_WygenIGeneratingFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Wygen I Generating Facility</link:label>
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    <link:label id="lab_bkh_WygenIGeneratingFacilityMember_documentation_en-US" xlink:label="lab_bkh_WygenIGeneratingFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Jointly Owned Wygen I Generating Facility [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_WygenIGeneratingFacilityMember" xlink:href="bkh-20211231.xsd#bkh_WygenIGeneratingFacilityMember"/>
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    <link:label id="lab_us-gaap_IncomeTaxAuthorityAxis_ff29c9ec-4a33-413e-9a4b-aeac58251ecd_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxAuthorityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Authority [Axis]</link:label>
    <link:label id="lab_us-gaap_IncomeTaxAuthorityAxis_label_en-US" xlink:label="lab_us-gaap_IncomeTaxAuthorityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Authority [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis" xlink:to="lab_us-gaap_IncomeTaxAuthorityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_b14854d9-314c-4fdd-8f12-5db55a5db9b2_terseLabel_en-US" xlink:label="lab_us-gaap_SaleOfStockConsiderationReceivedOnTransaction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sale of Stock, Consideration Received on Transaction</link:label>
    <link:label id="lab_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_label_en-US" xlink:label="lab_us-gaap_SaleOfStockConsiderationReceivedOnTransaction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sale of Stock, Consideration Received on Transaction</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockConsiderationReceivedOnTransaction"/>
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    <link:label id="lab_bkh_DerivativeLiabilitiesCurrentMember_67937206-158b-4f6c-84f9-152f6a3f473d_terseLabel_en-US" xlink:label="lab_bkh_DerivativeLiabilitiesCurrentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derivative Liabilities, Current</link:label>
    <link:label id="lab_bkh_DerivativeLiabilitiesCurrentMember_label_en-US" xlink:label="lab_bkh_DerivativeLiabilitiesCurrentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derivative Liabilities, Current [Member]</link:label>
    <link:label id="lab_bkh_DerivativeLiabilitiesCurrentMember_documentation_en-US" xlink:label="lab_bkh_DerivativeLiabilitiesCurrentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line item in the statement of financial position in a classified presentation in which the fair value amounts of the derivative instruments are included.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_DerivativeLiabilitiesCurrentMember" xlink:href="bkh-20211231.xsd#bkh_DerivativeLiabilitiesCurrentMember"/>
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    <link:label id="lab_bkh_NNGDemarcMember_50e0a95f-50ce-4a05-ad38-bb4578cf97a5_terseLabel_en-US" xlink:label="lab_bkh_NNGDemarcMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Northern Natural Gas - Demarc</link:label>
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    <link:label id="lab_bkh_NNGDemarcMember_documentation_en-US" xlink:label="lab_bkh_NNGDemarcMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">NNG-Demarc</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_NNGDemarcMember" xlink:href="bkh-20211231.xsd#bkh_NNGDemarcMember"/>
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    <link:label id="lab_dei_EntityDomain_738467cb-a3a4-46bf-b04a-480436ef4195_terseLabel_en-US" xlink:label="lab_dei_EntityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity [Domain]</link:label>
    <link:label id="lab_dei_EntityDomain_label_en-US" xlink:label="lab_dei_EntityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
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    <link:label id="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities, Property, Plant and Equipment, Construction Work in Progress</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress" xlink:to="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_SeniorUnsecuredNotesDue2030Member_4c7ba920-b3c8-44d6-abb5-6ef6776b9ba5_terseLabel_en-US" xlink:label="lab_bkh_SeniorUnsecuredNotesDue2030Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Senior Unsecured Notes Due 2030</link:label>
    <link:label id="lab_bkh_SeniorUnsecuredNotesDue2030Member_label_en-US" xlink:label="lab_bkh_SeniorUnsecuredNotesDue2030Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Senior Unsecured Notes Due 2030 [Member]</link:label>
    <link:label id="lab_bkh_SeniorUnsecuredNotesDue2030Member_documentation_en-US" xlink:label="lab_bkh_SeniorUnsecuredNotesDue2030Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Senior Unsecured Notes Due 2030</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_SeniorUnsecuredNotesDue2030Member" xlink:href="bkh-20211231.xsd#bkh_SeniorUnsecuredNotesDue2030Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_SeniorUnsecuredNotesDue2030Member" xlink:to="lab_bkh_SeniorUnsecuredNotesDue2030Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_571a0863-2122-4548-bc30-202fdad2c101_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other investing activities</link:label>
    <link:label id="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_label_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payments for (Proceeds from) Other Investing Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:to="lab_us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MaximumMember_9ca4bab6-e609-4a5a-bc65-6f172184d5f5_terseLabel_en-US" xlink:label="lab_srt_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Maximum</link:label>
    <link:label id="lab_srt_MaximumMember_label_en-US" xlink:label="lab_srt_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Maximum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MaximumMember" xlink:to="lab_srt_MaximumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Payment Arrangement [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_PanhandleEasternPipeLineMember_a685112c-b16a-4653-8ddb-fad82cabfc71_terseLabel_en-US" xlink:label="lab_bkh_PanhandleEasternPipeLineMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Panhandle Eastern Pipe Line</link:label>
    <link:label id="lab_bkh_PanhandleEasternPipeLineMember_label_en-US" xlink:label="lab_bkh_PanhandleEasternPipeLineMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Panhandle Eastern Pipe Line [Member]</link:label>
    <link:label id="lab_bkh_PanhandleEasternPipeLineMember_documentation_en-US" xlink:label="lab_bkh_PanhandleEasternPipeLineMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Panhandle Eastern Pipe Line</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_PanhandleEasternPipeLineMember" xlink:href="bkh-20211231.xsd#bkh_PanhandleEasternPipeLineMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_PanhandleEasternPipeLineMember" xlink:to="lab_bkh_PanhandleEasternPipeLineMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_GuaranteeObligationsByNatureAxis_7594f5f7-a491-46f1-8f8a-418c9f3d4bd1_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsByNatureAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Guarantor Obligations by Nature [Axis]</link:label>
    <link:label id="lab_us-gaap_GuaranteeObligationsByNatureAxis_label_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsByNatureAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Guarantor Obligations, Nature [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsByNatureAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GuaranteeObligationsByNatureAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis" xlink:to="lab_us-gaap_GuaranteeObligationsByNatureAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_ElectricUtilitiesMember_e1e4f70f-b22e-4260-b3cd-52a042092e52_terseLabel_en-US" xlink:label="lab_bkh_ElectricUtilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Electric Utilities</link:label>
    <link:label id="lab_bkh_ElectricUtilitiesMember_label_en-US" xlink:label="lab_bkh_ElectricUtilitiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Electric Utilities [Member]</link:label>
    <link:label id="lab_bkh_ElectricUtilitiesMember_documentation_en-US" xlink:label="lab_bkh_ElectricUtilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Electric Utilities Segment [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_ElectricUtilitiesMember" xlink:href="bkh-20211231.xsd#bkh_ElectricUtilitiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_ElectricUtilitiesMember" xlink:to="lab_bkh_ElectricUtilitiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment_f34a44e6-7aa9-4fcb-a3ca-89c8ca4855dd_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total other assets, non-current</link:label>
    <link:label id="lab_us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment_label_en-US" xlink:label="lab_us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Assets, Noncurrent, Other than Noncurrent Investments and Property, Plant and Equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment" xlink:to="lab_us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_PowerGenerationMember_d4071a2d-308d-45a9-ab4f-747a327c4850_terseLabel_en-US" xlink:label="lab_bkh_PowerGenerationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Power Generation</link:label>
    <link:label id="lab_bkh_PowerGenerationMember_label_en-US" xlink:label="lab_bkh_PowerGenerationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Power Generation [Member]</link:label>
    <link:label id="lab_bkh_PowerGenerationMember_documentation_en-US" xlink:label="lab_bkh_PowerGenerationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Power Generation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_PowerGenerationMember" xlink:href="bkh-20211231.xsd#bkh_PowerGenerationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_PowerGenerationMember" xlink:to="lab_bkh_PowerGenerationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfGuaranteeObligationsTable_6b65ff47-a627-4ef8-a349-42c77fb3841a_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfGuaranteeObligationsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Guarantor Obligations [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfGuaranteeObligationsTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfGuaranteeObligationsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Guarantor Obligations [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGuaranteeObligationsTable" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfGuaranteeObligationsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfGuaranteeObligationsTable" xlink:to="lab_us-gaap_ScheduleOfGuaranteeObligationsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_70a8bd40-a864-4fe9-9428-f8dfa7cb568d_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Accrued Liabilities</link:label>
    <link:label id="lab_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Accrued Liabilities [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AwardTypeAxis_c78d9e3d-99c3-4965-891e-0f69675d6814_terseLabel_en-US" xlink:label="lab_us-gaap_AwardTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Award Type [Axis]</link:label>
    <link:label id="lab_us-gaap_AwardTypeAxis_label_en-US" xlink:label="lab_us-gaap_AwardTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Award Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AwardTypeAxis" xlink:to="lab_us-gaap_AwardTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_ArkansasPublicServiceCommissionAPSCMember_1cd39d7b-e4e6-4f65-9f2b-17874514f6c7_terseLabel_en-US" xlink:label="lab_bkh_ArkansasPublicServiceCommissionAPSCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Arkansas Public Service Commission (APSC)</link:label>
    <link:label id="lab_bkh_ArkansasPublicServiceCommissionAPSCMember_label_en-US" xlink:label="lab_bkh_ArkansasPublicServiceCommissionAPSCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Arkansas Public Service Commission (APSC) [Member]</link:label>
    <link:label id="lab_bkh_ArkansasPublicServiceCommissionAPSCMember_documentation_en-US" xlink:label="lab_bkh_ArkansasPublicServiceCommissionAPSCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Arkansas Public Service Commission (APSC)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_ArkansasPublicServiceCommissionAPSCMember" xlink:href="bkh-20211231.xsd#bkh_ArkansasPublicServiceCommissionAPSCMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_ArkansasPublicServiceCommissionAPSCMember" xlink:to="lab_bkh_ArkansasPublicServiceCommissionAPSCMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_aa4e9780-0d69-4274-93e7-443b5c7a311a_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financing activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_SeniorUnsecuredNotesDue2027Member_5d858392-17e8-4cee-b2bc-be7a3280f394_terseLabel_en-US" xlink:label="lab_bkh_SeniorUnsecuredNotesDue2027Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Senior Unsecured Notes Due 2027</link:label>
    <link:label id="lab_bkh_SeniorUnsecuredNotesDue2027Member_label_en-US" xlink:label="lab_bkh_SeniorUnsecuredNotesDue2027Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Senior Unsecured Notes Due 2027 [Member]</link:label>
    <link:label id="lab_bkh_SeniorUnsecuredNotesDue2027Member_documentation_en-US" xlink:label="lab_bkh_SeniorUnsecuredNotesDue2027Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Senior Unsecured Notes Due 2027 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_SeniorUnsecuredNotesDue2027Member" xlink:href="bkh-20211231.xsd#bkh_SeniorUnsecuredNotesDue2027Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_SeniorUnsecuredNotesDue2027Member" xlink:to="lab_bkh_SeniorUnsecuredNotesDue2027Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_AllowanceForFundsUsedDuringConstructionMember_87ab30c9-da12-421f-a8c1-6bcc5a0ea8e1_terseLabel_en-US" xlink:label="lab_bkh_AllowanceForFundsUsedDuringConstructionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred taxes on AFUDC</link:label>
    <link:label id="lab_bkh_AllowanceForFundsUsedDuringConstructionMember_label_en-US" xlink:label="lab_bkh_AllowanceForFundsUsedDuringConstructionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Allowance For Funds Used During Construction [Member]</link:label>
    <link:label id="lab_bkh_AllowanceForFundsUsedDuringConstructionMember_documentation_en-US" xlink:label="lab_bkh_AllowanceForFundsUsedDuringConstructionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">The offsetting entry to other income when an enterprise capitalizes, as part of the cost of plant and equipment, the cost of financing construction as financed partially by equity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_AllowanceForFundsUsedDuringConstructionMember" xlink:href="bkh-20211231.xsd#bkh_AllowanceForFundsUsedDuringConstructionMember"/>
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    <link:label id="lab_us-gaap_StockholdersEquity_35a37a67-872f-4daa-acab-240cc75a3180_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total stockholders&#8217; equity</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity" xlink:to="lab_us-gaap_StockholdersEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis_7f6ca510-98ab-46ea-9b48-e2de992bf340_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Receivable by Billing Status, Type [Axis]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis"/>
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    <link:label id="lab_bkh_PuebloAirportGenerationMember_1b132a6a-4a95-4a4d-92ca-029dcd720655_terseLabel_en-US" xlink:label="lab_bkh_PuebloAirportGenerationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pueblo Airport Generation</link:label>
    <link:label id="lab_bkh_PuebloAirportGenerationMember_label_en-US" xlink:label="lab_bkh_PuebloAirportGenerationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Pueblo Airport Generation [Member]</link:label>
    <link:label id="lab_bkh_PuebloAirportGenerationMember_documentation_en-US" xlink:label="lab_bkh_PuebloAirportGenerationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Jointly Owned Pueblo Airport Generating Facility [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_PuebloAirportGenerationMember" xlink:href="bkh-20211231.xsd#bkh_PuebloAirportGenerationMember"/>
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    <link:label id="lab_dei_CityAreaCode_dbc82c3f-3ec4-4dbd-bf8d-8ff5435f854f_terseLabel_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">City Area Code</link:label>
    <link:label id="lab_dei_CityAreaCode_label_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">City Area Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_CityAreaCode"/>
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    <link:label id="lab_bkh_ContractSubjecttoMasterNettingArrangementMember_d450d099-7f44-49fe-843e-07c450a62e3b_terseLabel_en-US" xlink:label="lab_bkh_ContractSubjecttoMasterNettingArrangementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contract Subject to Master Netting Arrangement</link:label>
    <link:label id="lab_bkh_ContractSubjecttoMasterNettingArrangementMember_label_en-US" xlink:label="lab_bkh_ContractSubjecttoMasterNettingArrangementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contract Subject to Master Netting Arrangement [Member]</link:label>
    <link:label id="lab_bkh_ContractSubjecttoMasterNettingArrangementMember_documentation_en-US" xlink:label="lab_bkh_ContractSubjecttoMasterNettingArrangementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contract Subject to Master Netting Arrangement [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_ContractSubjecttoMasterNettingArrangementMember" xlink:href="bkh-20211231.xsd#bkh_ContractSubjecttoMasterNettingArrangementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_ContractSubjecttoMasterNettingArrangementMember" xlink:to="lab_bkh_ContractSubjecttoMasterNettingArrangementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DesignatedAsHedgingInstrumentMember_019f61c2-452e-4624-b812-af4406561392_terseLabel_en-US" xlink:label="lab_us-gaap_DesignatedAsHedgingInstrumentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Designated as Hedging Instrument</link:label>
    <link:label id="lab_us-gaap_DesignatedAsHedgingInstrumentMember_label_en-US" xlink:label="lab_us-gaap_DesignatedAsHedgingInstrumentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Designated as Hedging Instrument [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DesignatedAsHedgingInstrumentMember" xlink:to="lab_us-gaap_DesignatedAsHedgingInstrumentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_SeniorUnsecuredNotesDue2026Member_24fc53f9-7789-4264-831b-28086c25c440_terseLabel_en-US" xlink:label="lab_bkh_SeniorUnsecuredNotesDue2026Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Senior Unsecured Notes Due 2026</link:label>
    <link:label id="lab_bkh_SeniorUnsecuredNotesDue2026Member_label_en-US" xlink:label="lab_bkh_SeniorUnsecuredNotesDue2026Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Senior Unsecured Notes Due 2026 [Member]</link:label>
    <link:label id="lab_bkh_SeniorUnsecuredNotesDue2026Member_documentation_en-US" xlink:label="lab_bkh_SeniorUnsecuredNotesDue2026Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Senior Unsecured Notes Due 2026 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_SeniorUnsecuredNotesDue2026Member" xlink:href="bkh-20211231.xsd#bkh_SeniorUnsecuredNotesDue2026Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_SeniorUnsecuredNotesDue2026Member" xlink:to="lab_bkh_SeniorUnsecuredNotesDue2026Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LongtermPurchaseCommitmentPeriod_34441855-dae9-491c-9a5e-ec3eeb8c0e09_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermPurchaseCommitmentPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-term Purchase Commitment, Period</link:label>
    <link:label id="lab_us-gaap_LongtermPurchaseCommitmentPeriod_label_en-US" xlink:label="lab_us-gaap_LongtermPurchaseCommitmentPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-term Purchase Commitment, Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermPurchaseCommitmentPeriod" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongtermPurchaseCommitmentPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermPurchaseCommitmentPeriod" xlink:to="lab_us-gaap_LongtermPurchaseCommitmentPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_CommonStockPurchasePercentageOfRecentAverageMarketPrice_03dcf554-a9c4-472b-8510-2df8471e8a2a_terseLabel_en-US" xlink:label="lab_bkh_CommonStockPurchasePercentageOfRecentAverageMarketPrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percent of recent average market price</link:label>
    <link:label id="lab_bkh_CommonStockPurchasePercentageOfRecentAverageMarketPrice_label_en-US" xlink:label="lab_bkh_CommonStockPurchasePercentageOfRecentAverageMarketPrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common Stock Purchase Percentage of Recent Average Market Price</link:label>
    <link:label id="lab_bkh_CommonStockPurchasePercentageOfRecentAverageMarketPrice_documentation_en-US" xlink:label="lab_bkh_CommonStockPurchasePercentageOfRecentAverageMarketPrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common stock purchase percentage of recent average market price</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_CommonStockPurchasePercentageOfRecentAverageMarketPrice" xlink:href="bkh-20211231.xsd#bkh_CommonStockPurchasePercentageOfRecentAverageMarketPrice"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_CommonStockPurchasePercentageOfRecentAverageMarketPrice" xlink:to="lab_bkh_CommonStockPurchasePercentageOfRecentAverageMarketPrice" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_f2a99a3d-7a63-424a-956f-a4ad263b92de_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesRegulatoryProceedingAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities, Regulatory Proceeding [Axis]</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesRegulatoryProceedingAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities, Regulatory Proceeding [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesRegulatoryProceedingAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingAxis" xlink:to="lab_us-gaap_PublicUtilitiesRegulatoryProceedingAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_7c389635-c111-4e0e-b5b5-ee561c4b6842_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average useful life</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, Plant and Equipment, Useful Life</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockholdersEquityAbstract_3c870128-eb92-43a9-9e17-a6e385f4d978_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity:</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityAbstract_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stockholders' Equity Attributable to Parent [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityAbstract" xlink:to="lab_us-gaap_StockholdersEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_WyomingElectricMember_6ead78a6-8608-4971-ab16-76c92e20205f_terseLabel_en-US" xlink:label="lab_bkh_WyomingElectricMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Wyoming Electric</link:label>
    <link:label id="lab_bkh_WyomingElectricMember_label_en-US" xlink:label="lab_bkh_WyomingElectricMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Wyoming Electric [Member]</link:label>
    <link:label id="lab_bkh_WyomingElectricMember_documentation_en-US" xlink:label="lab_bkh_WyomingElectricMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Wyoming Electric [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_WyomingElectricMember" xlink:href="bkh-20211231.xsd#bkh_WyomingElectricMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_WyomingElectricMember" xlink:to="lab_bkh_WyomingElectricMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CurrentIncomeTaxExpenseBenefit_8e3c936f-f8a7-43fb-94f6-0c885fbcc076_totalLabel_en-US" xlink:label="lab_us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total Current</link:label>
    <link:label id="lab_us-gaap_CurrentIncomeTaxExpenseBenefit_label_en-US" xlink:label="lab_us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current Income Tax Expense (Benefit)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:to="lab_us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_IndustrialDevelopmentRevenueBondsDue2021Member_de5412e0-9ef8-42b6-b522-6cbbe82c2846_terseLabel_en-US" xlink:label="lab_bkh_IndustrialDevelopmentRevenueBondsDue2021Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Industrial Development Revenue Bonds Due 2021</link:label>
    <link:label id="lab_bkh_IndustrialDevelopmentRevenueBondsDue2021Member_label_en-US" xlink:label="lab_bkh_IndustrialDevelopmentRevenueBondsDue2021Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Industrial Development Revenue Bonds Due 2021 [Member]</link:label>
    <link:label id="lab_bkh_IndustrialDevelopmentRevenueBondsDue2021Member_documentation_en-US" xlink:label="lab_bkh_IndustrialDevelopmentRevenueBondsDue2021Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Industrial Development Revenue Bonds Due 2021 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_IndustrialDevelopmentRevenueBondsDue2021Member" xlink:href="bkh-20211231.xsd#bkh_IndustrialDevelopmentRevenueBondsDue2021Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_IndustrialDevelopmentRevenueBondsDue2021Member" xlink:to="lab_bkh_IndustrialDevelopmentRevenueBondsDue2021Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_f5f65973-0c30-43c3-8996-32404a19701e_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationAdditionalInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segment Reporting Information, Additional Information [Abstract]</link:label>
    <link:label id="lab_us-gaap_SegmentReportingInformationAdditionalInformationAbstract_label_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationAdditionalInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segment Reporting Information, Additional Information [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationAdditionalInformationAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SegmentReportingInformationAdditionalInformationAbstract"/>
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    <link:label id="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment_8708afc2-428d-4ddd-bd08-4fc9013f3fb9_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">General</link:label>
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    <link:label id="lab_us-gaap_RelatedPartyTransactionAxis_a1825517-5700-4d12-9dc7-0e39468ef347_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Related Party Transaction [Axis]</link:label>
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    <link:label id="lab_us-gaap_RealEstateMember_7461ff2c-e08c-4047-875b-0b80e86db1b1_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Real Estate</link:label>
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    <link:label id="lab_bkh_SharebasedCompensationArrangementbySharebasedPaymentAwardPayoutPercentageofTarget_e091549f-c7ed-481c-b111-7358daf2d11a_terseLabel_en-US" xlink:label="lab_bkh_SharebasedCompensationArrangementbySharebasedPaymentAwardPayoutPercentageofTarget" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Performance Share Award, Percentage of Target</link:label>
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    <link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_572fc736-d67d-4962-8996-7af53acf537a_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income tax (expense)</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_4d19bb77-902b-4dc3-8317-825f448c74dd_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2024</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payment, Year Three</link:label>
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    <link:label id="lab_us-gaap_AccountsReceivableNetCurrent_8d42e916-1ed1-46c9-bbca-fa96e341ddf1_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableNetCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts receivable, net</link:label>
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    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_760425e1-9e34-492c-bdcc-7aa43ed12d86_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss) [Table]</link:label>
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    <link:label id="lab_dei_EntityTaxIdentificationNumber_af5070fc-40c8-47df-aeb9-e9b26dd5751a_terseLabel_en-US" xlink:label="lab_dei_EntityTaxIdentificationNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Tax Identification Number</link:label>
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    <link:label id="lab_bkh_RetailElectricNaturalGasandCoalMember_b0673079-4ec1-464c-900c-a251bda516f3_terseLabel_en-US" xlink:label="lab_bkh_RetailElectricNaturalGasandCoalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Retail</link:label>
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    <link:label id="lab_us-gaap_InvestmentTypeAxis_629aeb47-dc58-418c-a5a4-8996efef98c2_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Investment Type [Axis]</link:label>
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    <link:label id="lab_us-gaap_AssetsCurrent_343118e7-dc67-473f-94af-814e650d275e_totalLabel_en-US" xlink:label="lab_us-gaap_AssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total current assets</link:label>
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    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_6d891f93-ee88-4f2d-9756-94c3bc13dc1f_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions"/>
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    <link:label id="lab_us-gaap_AdjustmentsForErrorCorrectionDomain_fdc5346d-209e-44b1-b954-fbec44f0bbb9_terseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsForErrorCorrectionDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Error Correction, Type [Domain]</link:label>
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    <link:label id="lab_bkh_BondIssuanceCostsMember_5a5aae0e-e190-4bbf-8a31-ea165584b950_terseLabel_en-US" xlink:label="lab_bkh_BondIssuanceCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Loss on reacquired debt</link:label>
    <link:label id="lab_bkh_BondIssuanceCostsMember_label_en-US" xlink:label="lab_bkh_BondIssuanceCostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Bond Issuance Costs [Member]</link:label>
    <link:label id="lab_bkh_BondIssuanceCostsMember_documentation_en-US" xlink:label="lab_bkh_BondIssuanceCostsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Utility Bond Issuance Costs recoverable over the life of the original issue, or if refinanced, over the life of the new issue[Member]</link:label>
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    <link:label id="lab_us-gaap_EquityComponentDomain_fd3b5cc4-3f58-47b4-84c4-c77753449a7d_terseLabel_en-US" xlink:label="lab_us-gaap_EquityComponentDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity Component [Domain]</link:label>
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    <link:label id="lab_us-gaap_StockholdersEquityOther_95497d72-3944-4876-bf2e-588fb1a95d02_negatedLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityOther" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other</link:label>
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    <link:label id="lab_bkh_CarryingCostsMember_168912b7-8a0f-4f30-ae5d-3e576c34b484_terseLabel_en-US" xlink:label="lab_bkh_CarryingCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Carrying Costs</link:label>
    <link:label id="lab_bkh_CarryingCostsMember_label_en-US" xlink:label="lab_bkh_CarryingCostsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Carrying Costs [Member]</link:label>
    <link:label id="lab_bkh_CarryingCostsMember_documentation_en-US" xlink:label="lab_bkh_CarryingCostsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Carrying Costs</link:label>
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    <link:label id="lab_bkh_DefinedContributionPlanCompanyRetirementMember_83aeba79-7a8e-4a7b-a505-881f1ab46edd_terseLabel_en-US" xlink:label="lab_bkh_DefinedContributionPlanCompanyRetirementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Contribution Plan, Company Retirement</link:label>
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    <link:label id="lab_bkh_DefinedContributionPlanCompanyRetirementMember_documentation_en-US" xlink:label="lab_bkh_DefinedContributionPlanCompanyRetirementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">The Company Retirement portion of the defined contribution plan in which there is no employee contribtuion required to receive a contribution. The contribution is based on a calculation of age and service. [Member]</link:label>
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    <link:label id="lab_us-gaap_VariableInterestEntityLineItems_a85c33d5-022c-459f-88f4-85e9ef8c4b72_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Variable Interest Entity [Line Items]</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_113f54c1-7153-48e2-be29-e3b4aaea4d20_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Category [Axis]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:to="lab_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_WygenIIIGeneratingFacilityMember_fabddd4b-3621-44b1-a7f7-3134d47a589c_verboseLabel_en-US" xlink:label="lab_bkh_WygenIIIGeneratingFacilityMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Contingent Capacity Amounts on Wygen III</link:label>
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    <link:label id="lab_bkh_WygenIIIGeneratingFacilityMember_documentation_en-US" xlink:label="lab_bkh_WygenIIIGeneratingFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Wygen III - Black Hills Power's coal-fired power generation plant that commenced operations on April 1, 2010.[Member]</link:label>
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    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_ca95aa80-c24c-4daa-bcf3-03f18dd2cc3a_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2026</link:label>
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    <link:label id="lab_us-gaap_ShortTermDebtTypeAxis_84bf535a-4ea1-4cc2-b00a-da7c9a9be2da_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermDebtTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Short-term Debt, Type [Axis]</link:label>
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    <link:label id="lab_dei_Security12bTitle_9c6fe960-8d3d-456f-8b83-7d77df79dbff_terseLabel_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Title of 12(b) Security</link:label>
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    <link:label id="lab_us-gaap_PaymentsToMinorityShareholders_2591878b-c932-49fa-8442-9766b60f9750_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToMinorityShareholders" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Distributions to non-controlling interests</link:label>
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    <link:label id="lab_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateComprisedPercentOfHistoricVolatility_987f619c-d398-4e46-853a-7ef36f966307_terseLabel_en-US" xlink:label="lab_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateComprisedPercentOfHistoricVolatility" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Volatility Rate - Historic</link:label>
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    <link:label id="lab_bkh_NumberOfMegawattsCapacityPurchased_75d283ad-4d3e-4412-b776-93dde4a0c545_terseLabel_en-US" xlink:label="lab_bkh_NumberOfMegawattsCapacityPurchased" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of Megawatts Capacity Purchased</link:label>
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    <link:label id="lab_bkh_NumberOfMegawattsCapacityPurchased_documentation_en-US" xlink:label="lab_bkh_NumberOfMegawattsCapacityPurchased" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of Megawatts Capacity Purchased</link:label>
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    <link:label id="lab_srt_ProductsAndServicesDomain_5af08513-7f33-491b-81d1-0bfa5d76a705_terseLabel_en-US" xlink:label="lab_srt_ProductsAndServicesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Product and Service [Domain]</link:label>
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    <link:label id="lab_bkh_NebraskaPublcServiceCommissionNPSCMember_53deda9c-de05-4173-8aa8-59dd4c37335c_terseLabel_en-US" xlink:label="lab_bkh_NebraskaPublcServiceCommissionNPSCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Nebraska Publc Service Commission (NPSC)</link:label>
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    <link:label id="lab_us-gaap_DeferredFuelCostsMember_0d9597a3-4631-4e3c-be86-3cb9512be6c7_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredFuelCostsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred energy and fuel cost adjustments</link:label>
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    <link:label id="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears_162ef38e-2a26-4e05-a148-deb572aa83aa_terseLabel_en-US" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2022</link:label>
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    <link:label id="lab_bkh_MDUMontanaDakotaUtilitiesMember_a67d9a29-2edf-4301-b859-24aea12651c4_terseLabel_en-US" xlink:label="lab_bkh_MDUMontanaDakotaUtilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">M D U, Montana Dakota Utilities</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_5014b9c8-4a48-43df-b2e3-df06bbdd8586_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stated interest rate (percent)</link:label>
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    <link:label id="lab_us-gaap_StateAndLocalJurisdictionMember_eeaa7246-a4c2-4845-80d2-a179a9389f2b_terseLabel_en-US" xlink:label="lab_us-gaap_StateAndLocalJurisdictionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">State and Local Jurisdiction</link:label>
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    <link:label id="lab_us-gaap_SaleOfStockPricePerShare_f9c5818e-0905-4104-8a49-22ae88f808e4_terseLabel_en-US" xlink:label="lab_us-gaap_SaleOfStockPricePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sale of Stock, Price Per Share</link:label>
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    <link:label id="lab_srt_GuarantorSubsidiariesMember_2e1b0bef-2891-4193-8404-85013eb49673_terseLabel_en-US" xlink:label="lab_srt_GuarantorSubsidiariesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Guarantor Subsidiaries</link:label>
    <link:label id="lab_srt_GuarantorSubsidiariesMember_label_en-US" xlink:label="lab_srt_GuarantorSubsidiariesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Guarantor Subsidiaries [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_GuarantorSubsidiariesMember" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_GuarantorSubsidiariesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_GuarantorSubsidiariesMember" xlink:to="lab_srt_GuarantorSubsidiariesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SubsequentEventsTextBlock_337fdd86-c5e3-4190-b704-c402e618461a_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Subsequent Events</link:label>
    <link:label id="lab_us-gaap_SubsequentEventsTextBlock_label_en-US" xlink:label="lab_us-gaap_SubsequentEventsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Subsequent Events [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventsTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventsTextBlock" xlink:to="lab_us-gaap_SubsequentEventsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_OtherRegulatoryAssetsMember_b943031d-a991-494e-b05b-caecafcaca55_terseLabel_en-US" xlink:label="lab_bkh_OtherRegulatoryAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other regulatory assets</link:label>
    <link:label id="lab_bkh_OtherRegulatoryAssetsMember_label_en-US" xlink:label="lab_bkh_OtherRegulatoryAssetsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Regulatory Assets [Member]</link:label>
    <link:label id="lab_bkh_OtherRegulatoryAssetsMember_documentation_en-US" xlink:label="lab_bkh_OtherRegulatoryAssetsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other regulatory assets [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_OtherRegulatoryAssetsMember" xlink:href="bkh-20211231.xsd#bkh_OtherRegulatoryAssetsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_OtherRegulatoryAssetsMember" xlink:to="lab_bkh_OtherRegulatoryAssetsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InvestmentPolicyTextBlock_1d550f1e-f3de-45a7-82a5-404772935437_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Investments</link:label>
    <link:label id="lab_us-gaap_InvestmentPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_InvestmentPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Investment, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InvestmentPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentPolicyTextBlock" xlink:to="lab_us-gaap_InvestmentPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember_0e730a36-461c-4761-ba3f-929e326f298a_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated Defined Benefit Plans Adjustment, Net Prior Service Cost</link:label>
    <link:label id="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember_label_en-US" xlink:label="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember" xlink:to="lab_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_8f1b3303-1081-4067-b003-03dacbeb4fd9_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net cash provided by financing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther_b63f99f1-b3c7-4f02-a588-f5bd37d1520f_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">State tax credits</link:label>
    <link:label id="lab_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Assets, Tax Credit Carryforwards, Other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther" xlink:to="lab_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_TreasuryStockValue_43b6d3dc-a146-4021-9015-a4a399629b5c_negatedLabel_en-US" xlink:label="lab_us-gaap_TreasuryStockValue" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Treasury stock at cost - 54,078 and 32,492, respectively</link:label>
    <link:label id="lab_us-gaap_TreasuryStockValue_label_en-US" xlink:label="lab_us-gaap_TreasuryStockValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Treasury Stock, Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TreasuryStockValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TreasuryStockValue" xlink:to="lab_us-gaap_TreasuryStockValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_9db24778-f5ee-41eb-bac0-3837af81e0ec_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Award vesting period</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_37e5a428-fe56-4978-87ef-3a843da7fb0a_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unrecognized Tax Benefits, Interest Expense</link:label>
    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense_label_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" xlink:to="lab_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_JointlyOwnedFacilitiesUtilityandNonRegulatedTextBlock_371fa7f2-5321-4c1c-9791-a928dd06b3d1_terseLabel_en-US" xlink:label="lab_bkh_JointlyOwnedFacilitiesUtilityandNonRegulatedTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Jointly Owned Facilities</link:label>
    <link:label id="lab_bkh_JointlyOwnedFacilitiesUtilityandNonRegulatedTextBlock_label_en-US" xlink:label="lab_bkh_JointlyOwnedFacilitiesUtilityandNonRegulatedTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Jointly Owned Facilities, Utility and Non-Regulated [Text Block]</link:label>
    <link:label id="lab_bkh_JointlyOwnedFacilitiesUtilityandNonRegulatedTextBlock_documentation_en-US" xlink:label="lab_bkh_JointlyOwnedFacilitiesUtilityandNonRegulatedTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disclosure of proportionate interests in jointly owned facilities (regulated utiliyt and non-regulated). Includes the amount of plants in service, the accumulated depreciation (if available), the amount of construction in progress, and the proportionate share. Includes statements that the amounts represent the company's share in each joint facility and that it must provide its own financing. States that the company's share of direct expenses of the joint facilities is included in the corresponding operating expenses on its income statement (for example, fuel, maintenance, other operating expense). [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_JointlyOwnedFacilitiesUtilityandNonRegulatedTextBlock" xlink:href="bkh-20211231.xsd#bkh_JointlyOwnedFacilitiesUtilityandNonRegulatedTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_JointlyOwnedFacilitiesUtilityandNonRegulatedTextBlock" xlink:to="lab_bkh_JointlyOwnedFacilitiesUtilityandNonRegulatedTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_503a366e-ee3f-44a9-bae5-d41bfb9da381_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity</link:label>
    <link:label id="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears_041d3e86-9e1d-4ee5-8de0-49b9cba822b5_terseLabel_en-US" xlink:label="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2024</link:label>
    <link:label id="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears_label_en-US" xlink:label="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unrecorded Unconditional Purchase Obligation Due Within Four Years</link:label>
    <link:label id="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears_documentation_en-US" xlink:label="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unrecorded Unconditional Purchase Obligation Due Within Four Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears" xlink:href="bkh-20211231.xsd#bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears" xlink:to="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_CityOfColoradoSpringsMember_a473bb2e-0965-4841-bcbb-70f6f2790779_terseLabel_en-US" xlink:label="lab_bkh_CityOfColoradoSpringsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">City of Colorado Springs</link:label>
    <link:label id="lab_bkh_CityOfColoradoSpringsMember_label_en-US" xlink:label="lab_bkh_CityOfColoradoSpringsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">City of Colorado Springs [Member]</link:label>
    <link:label id="lab_bkh_CityOfColoradoSpringsMember_documentation_en-US" xlink:label="lab_bkh_CityOfColoradoSpringsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">City of Colorado Springs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_CityOfColoradoSpringsMember" xlink:href="bkh-20211231.xsd#bkh_CityOfColoradoSpringsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_CityOfColoradoSpringsMember" xlink:to="lab_bkh_CityOfColoradoSpringsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_80b8d200-b9f6-4610-a70f-0ff5bd95f7b3_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Future Amortization Expense, Year Three</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Finite-Lived Intangible Asset, Expected Amortization, Year Three</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SuretyBondMember_437f5a43-30f1-4347-a55e-e622526e105c_terseLabel_en-US" xlink:label="lab_us-gaap_SuretyBondMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Surety Bond</link:label>
    <link:label id="lab_us-gaap_SuretyBondMember_label_en-US" xlink:label="lab_us-gaap_SuretyBondMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Surety Bond [Member]</link:label>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentTextBlock_62bc49e9-af55-48dc-9b9e-6876070ca930_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, Plant and Equipment</link:label>
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    <link:label id="lab_bkh_FuelTypeDomain_4f30326e-8b77-4249-b730-a576e635920f_terseLabel_en-US" xlink:label="lab_bkh_FuelTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fuel Type [Domain]</link:label>
    <link:label id="lab_bkh_FuelTypeDomain_label_en-US" xlink:label="lab_bkh_FuelTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fuel Type [Domain]</link:label>
    <link:label id="lab_bkh_FuelTypeDomain_documentation_en-US" xlink:label="lab_bkh_FuelTypeDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fuel Type</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_FuelTypeDomain" xlink:href="bkh-20211231.xsd#bkh_FuelTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_FuelTypeDomain" xlink:to="lab_bkh_FuelTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LongTermPurchaseCommitmentLineItems_799a5b3e-db53-46a0-a8ca-1e4acc09c2eb_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermPurchaseCommitmentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-term Purchase Commitment [Line Items]</link:label>
    <link:label id="lab_us-gaap_LongTermPurchaseCommitmentLineItems_label_en-US" xlink:label="lab_us-gaap_LongTermPurchaseCommitmentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-term Purchase Commitment [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermPurchaseCommitmentLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentLineItems" xlink:to="lab_us-gaap_LongTermPurchaseCommitmentLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_PerformanceSharesEquityAwardsMember_215502cc-7656-4d24-bdb2-77e68b71b68a_terseLabel_en-US" xlink:label="lab_bkh_PerformanceSharesEquityAwardsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Performance Shares, Equity Awards</link:label>
    <link:label id="lab_bkh_PerformanceSharesEquityAwardsMember_label_en-US" xlink:label="lab_bkh_PerformanceSharesEquityAwardsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Performance Shares, Equity Awards [Member]</link:label>
    <link:label id="lab_bkh_PerformanceSharesEquityAwardsMember_documentation_en-US" xlink:label="lab_bkh_PerformanceSharesEquityAwardsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">The equity award components for Performance Shares [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_PerformanceSharesEquityAwardsMember" xlink:href="bkh-20211231.xsd#bkh_PerformanceSharesEquityAwardsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_PerformanceSharesEquityAwardsMember" xlink:to="lab_bkh_PerformanceSharesEquityAwardsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_CorporateTermLoanDueJune2021Member_58807be6-0307-4801-bc65-d0895edfd849_terseLabel_en-US" xlink:label="lab_bkh_CorporateTermLoanDueJune2021Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Corporate Term Loan Due June 2021</link:label>
    <link:label id="lab_bkh_CorporateTermLoanDueJune2021Member_label_en-US" xlink:label="lab_bkh_CorporateTermLoanDueJune2021Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Corporate Term Loan Due June 2021 [Member]</link:label>
    <link:label id="lab_bkh_CorporateTermLoanDueJune2021Member_documentation_en-US" xlink:label="lab_bkh_CorporateTermLoanDueJune2021Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Corporate Term Loan Due June 2021 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_CorporateTermLoanDueJune2021Member" xlink:href="bkh-20211231.xsd#bkh_CorporateTermLoanDueJune2021Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_CorporateTermLoanDueJune2021Member" xlink:to="lab_bkh_CorporateTermLoanDueJune2021Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_0bdb6143-a28e-417f-bd62-2e3a2c854a13_totalLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total property, plant and equipment, net</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_3e5e7a2d-964c-4726-a8b2-b75753764932_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, plant and equipment of variable interest entities, net</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentNet_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, Plant and Equipment, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentNet" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_CorriedaleWindProjectMember_e3524551-b581-4f51-b3b2-e7ee07148a7f_terseLabel_en-US" xlink:label="lab_bkh_CorriedaleWindProjectMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Corriedale Wind Project</link:label>
    <link:label id="lab_bkh_CorriedaleWindProjectMember_label_en-US" xlink:label="lab_bkh_CorriedaleWindProjectMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Corriedale Wind Project [Member]</link:label>
    <link:label id="lab_bkh_CorriedaleWindProjectMember_documentation_en-US" xlink:label="lab_bkh_CorriedaleWindProjectMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Corriedale Wind Project [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_CorriedaleWindProjectMember" xlink:href="bkh-20211231.xsd#bkh_CorriedaleWindProjectMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_CorriedaleWindProjectMember" xlink:to="lab_bkh_CorriedaleWindProjectMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingExpenses_44ee2235-2e55-44b0-a1ac-cab29d8d39f7_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingExpenses" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total operating expenses</link:label>
    <link:label id="lab_us-gaap_OperatingExpenses_label_en-US" xlink:label="lab_us-gaap_OperatingExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operating Expenses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingExpenses" xlink:to="lab_us-gaap_OperatingExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RepaymentsOfLongTermDebt_64ecea6f-cd0e-4c51-9fee-8a0ce79968fd_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-term debt - repayments</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfLongTermDebt_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Repayments of Long-term Debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfLongTermDebt" xlink:to="lab_us-gaap_RepaymentsOfLongTermDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EarningsPerShareAbstract_98d5ad32-606b-4d09-b21e-c947403a7c13_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings per share of common stock:</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareAbstract_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings Per Share [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareAbstract" xlink:to="lab_us-gaap_EarningsPerShareAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_1dd4aaac-7e28-4a41-8c76-d67213897d74_verboseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentGross_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, Plant and Equipment, Gross</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentGross" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_PerformancePlanPayoutsTableTextBlock_520028e5-8061-43a4-b8a2-6eb097dd8754_terseLabel_en-US" xlink:label="lab_bkh_PerformancePlanPayoutsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Performance Plan Payouts</link:label>
    <link:label id="lab_bkh_PerformancePlanPayoutsTableTextBlock_label_en-US" xlink:label="lab_bkh_PerformancePlanPayoutsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Performance Plan Payouts [Table Text Block]</link:label>
    <link:label id="lab_bkh_PerformancePlanPayoutsTableTextBlock_documentation_en-US" xlink:label="lab_bkh_PerformancePlanPayoutsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">[Table Text Block] for Performance Plan Payouts [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_PerformancePlanPayoutsTableTextBlock" xlink:href="bkh-20211231.xsd#bkh_PerformancePlanPayoutsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_PerformancePlanPayoutsTableTextBlock" xlink:to="lab_bkh_PerformancePlanPayoutsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_NaturalGasIndicesDomain_4633f014-2774-4434-ba7b-b90cafc544aa_terseLabel_en-US" xlink:label="lab_bkh_NaturalGasIndicesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Natural Gas Indices [Domain]</link:label>
    <link:label id="lab_bkh_NaturalGasIndicesDomain_label_en-US" xlink:label="lab_bkh_NaturalGasIndicesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Natural Gas Indices [Domain]</link:label>
    <link:label id="lab_bkh_NaturalGasIndicesDomain_documentation_en-US" xlink:label="lab_bkh_NaturalGasIndicesDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">[Domain] for Natural Gas Indices [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_NaturalGasIndicesDomain" xlink:href="bkh-20211231.xsd#bkh_NaturalGasIndicesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_NaturalGasIndicesDomain" xlink:to="lab_bkh_NaturalGasIndicesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_Revenues_dcef677a-a65a-4707-a95a-cef26d52154b_terseLabel_en-US" xlink:label="lab_us-gaap_Revenues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue</link:label>
    <link:label id="lab_us-gaap_Revenues_label_en-US" xlink:label="lab_us-gaap_Revenues" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenues</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Revenues"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Revenues" xlink:to="lab_us-gaap_Revenues" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_b0dd66c3-71c1-437a-8015-ab0cbd51ba4a_terseLabel_en-US" xlink:label="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amounts reclassified from AOCI</link:label>
    <link:label id="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_label_en-US" xlink:label="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:to="lab_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_CheyennePrairieCombinedCycleMember_cdded359-4e49-4bdd-882d-c3ae0c713af6_terseLabel_en-US" xlink:label="lab_bkh_CheyennePrairieCombinedCycleMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cheyenne Prairie, Combined Cycle</link:label>
    <link:label id="lab_bkh_CheyennePrairieCombinedCycleMember_label_en-US" xlink:label="lab_bkh_CheyennePrairieCombinedCycleMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cheyenne Prairie, Combined Cycle [Member]</link:label>
    <link:label id="lab_bkh_CheyennePrairieCombinedCycleMember_documentation_en-US" xlink:label="lab_bkh_CheyennePrairieCombinedCycleMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cheyenne Prairie, Combined Cycle</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_CheyennePrairieCombinedCycleMember" xlink:href="bkh-20211231.xsd#bkh_CheyennePrairieCombinedCycleMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_CheyennePrairieCombinedCycleMember" xlink:to="lab_bkh_CheyennePrairieCombinedCycleMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_DeferredIncomeTaxAmortizationMember_6621a00f-5ac9-47c9-84d1-a1016fad9893_terseLabel_en-US" xlink:label="lab_bkh_DeferredIncomeTaxAmortizationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Excess deferred income taxes</link:label>
    <link:label id="lab_bkh_DeferredIncomeTaxAmortizationMember_label_en-US" xlink:label="lab_bkh_DeferredIncomeTaxAmortizationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Income Tax Amortization [Member]</link:label>
    <link:label id="lab_bkh_DeferredIncomeTaxAmortizationMember_documentation_en-US" xlink:label="lab_bkh_DeferredIncomeTaxAmortizationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Rate Action of a regulator resulting in return of prior period income tax over collections</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities_744b89a7-1971-430b-b347-054771dab86f_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts payable and other current liabilities</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets"/>
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    <link:label id="lab_bkh_TriStateGenerationAndTransmissionAssociationMember_documentation_en-US" xlink:label="lab_bkh_TriStateGenerationAndTransmissionAssociationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tri-State Generation and Transmission Association</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_6e5b1bf8-72f8-47c7-bbd9-5e791807583b_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear"/>
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    <link:label id="lab_us-gaap_AccountsReceivableGrossCurrent_f5fa7834-548e-43e3-8616-7438a4711453_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsReceivableGrossCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Receivable, Trade</link:label>
    <link:label id="lab_us-gaap_AccountsReceivableGrossCurrent_label_en-US" xlink:label="lab_us-gaap_AccountsReceivableGrossCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Receivable, before Allowance for Credit Loss, Current</link:label>
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    <link:label id="lab_us-gaap_DerivativeNonmonetaryNotionalAmount_23d3c4a7-c8c3-491f-9b4d-58ac068e838a_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeNonmonetaryNotionalAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derivative, Nonmonetary Notional Amount</link:label>
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    <link:label id="lab_us-gaap_AmortizationOfFinancingCosts_ae56c71c-3b51-42d7-9e87-db347ccfd4b7_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amortization expense for deferred financing costs</link:label>
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    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems_feae786d-a164-4c99-b373-ffab085b720e_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unrecorded Unconditional Purchase Obligation [Line Items]</link:label>
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    <link:label id="lab_us-gaap_RegulatoryAssetsNoncurrent_4256af11-ae1d-49d2-99cf-d74c5f53fcf0_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory assets, non-current</link:label>
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    <link:label id="lab_bkh_FuelTypeAxis_1a171ef9-87fe-48fd-aa04-dea726f3c66b_terseLabel_en-US" xlink:label="lab_bkh_FuelTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fuel Type [Axis]</link:label>
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    <link:label id="lab_bkh_FuelTypeAxis_documentation_en-US" xlink:label="lab_bkh_FuelTypeAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Generation Fuel Source, Wind, Coal, Solar</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_FuelTypeAxis" xlink:href="bkh-20211231.xsd#bkh_FuelTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_FuelTypeAxis" xlink:to="lab_bkh_FuelTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_TaxCreditCarryforwardNameDomain_b7d76dc3-3444-4a3d-9508-e73017b63145_terseLabel_en-US" xlink:label="lab_us-gaap_TaxCreditCarryforwardNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax Credit Carryforward, Name [Domain]</link:label>
    <link:label id="lab_us-gaap_TaxCreditCarryforwardNameDomain_label_en-US" xlink:label="lab_us-gaap_TaxCreditCarryforwardNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax Credit Carryforward, Name [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxCreditCarryforwardNameDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TaxCreditCarryforwardNameDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TaxCreditCarryforwardNameDomain" xlink:to="lab_us-gaap_TaxCreditCarryforwardNameDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_FederalEnergyRegulatoryCommissionFERCCommonUseSystemCUSMember_8c66caa6-a6ff-426c-bccd-38125dbe8b2f_terseLabel_en-US" xlink:label="lab_bkh_FederalEnergyRegulatoryCommissionFERCCommonUseSystemCUSMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Federal Energy Regulatory Commission (FERC) Common Use System (CUS)</link:label>
    <link:label id="lab_bkh_FederalEnergyRegulatoryCommissionFERCCommonUseSystemCUSMember_label_en-US" xlink:label="lab_bkh_FederalEnergyRegulatoryCommissionFERCCommonUseSystemCUSMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Federal Energy Regulatory Commission (FERC) Common Use System (CUS) [Member]</link:label>
    <link:label id="lab_bkh_FederalEnergyRegulatoryCommissionFERCCommonUseSystemCUSMember_documentation_en-US" xlink:label="lab_bkh_FederalEnergyRegulatoryCommissionFERCCommonUseSystemCUSMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Federal Energy Regulatory Commission (FERC) Common Use System (CUS) [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_FederalEnergyRegulatoryCommissionFERCCommonUseSystemCUSMember" xlink:href="bkh-20211231.xsd#bkh_FederalEnergyRegulatoryCommissionFERCCommonUseSystemCUSMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_FederalEnergyRegulatoryCommissionFERCCommonUseSystemCUSMember" xlink:to="lab_bkh_FederalEnergyRegulatoryCommissionFERCCommonUseSystemCUSMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_VariableInterestEntityDisclosureTextBlock_29d2ee11-7ede-49d0-843b-b011efb2ed3c_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Variable Interest Entity</link:label>
    <link:label id="lab_us-gaap_VariableInterestEntityDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_VariableInterestEntityDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Variable Interest Entity Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_VariableInterestEntityDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableInterestEntityDisclosureTextBlock" xlink:to="lab_us-gaap_VariableInterestEntityDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_3798bc37-79d3-4ed4-a02b-94f78b53e5f6_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unissued Shares Available</link:label>
    <link:label id="lab_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_label_en-US" xlink:label="lab_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common Stock, Capital Shares Reserved for Future Issuance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:to="lab_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_023d7721-e125-49cc-adac-c949124022ad_terseLabel_en-US" xlink:label="lab_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Valuation Allowance by Deferred Tax Asset [Axis]</link:label>
    <link:label id="lab_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis_label_en-US" xlink:label="lab_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Valuation Allowance by Deferred Tax Asset [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationAllowanceByDeferredTaxAssetAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis" xlink:to="lab_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_352adb5c-d7eb-4aad-a660-4dc82221418e_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Taxes</link:label>
    <link:label id="lab_us-gaap_IncomeTaxPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_IncomeTaxPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxPolicyTextBlock" xlink:to="lab_us-gaap_IncomeTaxPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_cd95bda5-d284-476d-a71b-2fc955c3a29b_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss) [Line Items]</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_label_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss) [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:to="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_BlackHillsElectricGenerationMember_0e2cbf02-9256-4888-aa4b-bbd1a24e2d97_terseLabel_en-US" xlink:label="lab_bkh_BlackHillsElectricGenerationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Black Hills Electric Generation</link:label>
    <link:label id="lab_bkh_BlackHillsElectricGenerationMember_label_en-US" xlink:label="lab_bkh_BlackHillsElectricGenerationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Black Hills Electric Generation [Member]</link:label>
    <link:label id="lab_bkh_BlackHillsElectricGenerationMember_documentation_en-US" xlink:label="lab_bkh_BlackHillsElectricGenerationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Black Hills Electric Generation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_BlackHillsElectricGenerationMember" xlink:href="bkh-20211231.xsd#bkh_BlackHillsElectricGenerationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_BlackHillsElectricGenerationMember" xlink:to="lab_bkh_BlackHillsElectricGenerationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressPostalZipCode_c1580161-ef00-485a-8845-b0ac3c5ddf22_terseLabel_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, Postal Zip Code</link:label>
    <link:label id="lab_dei_EntityAddressPostalZipCode_label_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, Postal Zip Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressPostalZipCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressPostalZipCode" xlink:to="lab_dei_EntityAddressPostalZipCode" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_GasTransmissionEquipmentMember_6d9a218c-b939-4bed-83d5-224ce1e69e8e_terseLabel_en-US" xlink:label="lab_us-gaap_GasTransmissionEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gas transmission</link:label>
    <link:label id="lab_us-gaap_GasTransmissionEquipmentMember_label_en-US" xlink:label="lab_us-gaap_GasTransmissionEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gas Transmission Equipment [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GasTransmissionEquipmentMember" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GasTransmissionEquipmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GasTransmissionEquipmentMember" xlink:to="lab_us-gaap_GasTransmissionEquipmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_4bf83dde-79a1-494b-80ad-df8702c94e3a_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue from Contract with Customer</link:label>
    <link:label id="lab_us-gaap_RevenueFromContractWithCustomerPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_RevenueFromContractWithCustomerPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Revenue from Contract with Customer [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerPolicyTextBlock" xlink:to="lab_us-gaap_RevenueFromContractWithCustomerPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_72812ea2-f600-4ed2-b4f3-9e080ceacaef_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Diluted (in shares)</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_7696a9f1-7d75-45d7-8130-7a5587fee3fb_totalLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average shares - diluted (in shares)</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_bd4b5ef1-b521-49ad-a92b-a7854fcedf1a_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Taxes</link:label>
    <link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Tax Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxDisclosureTextBlock" xlink:to="lab_us-gaap_IncomeTaxDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RelatedPartyDomain_262a90ef-d486-4b55-b2ca-fcb6f27a242d_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Related Party [Domain]</link:label>
    <link:label id="lab_us-gaap_RelatedPartyDomain_label_en-US" xlink:label="lab_us-gaap_RelatedPartyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Related Party [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyDomain" xlink:to="lab_us-gaap_RelatedPartyDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_FirstMortgageBondsDue2032Member_90865864-ffd6-4073-ab59-072b0c32b950_terseLabel_en-US" xlink:label="lab_bkh_FirstMortgageBondsDue2032Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">First Mortgage Bonds Due 2032</link:label>
    <link:label id="lab_bkh_FirstMortgageBondsDue2032Member_label_en-US" xlink:label="lab_bkh_FirstMortgageBondsDue2032Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">First Mortgage Bonds Due 2032 [Member]</link:label>
    <link:label id="lab_bkh_FirstMortgageBondsDue2032Member_documentation_en-US" xlink:label="lab_bkh_FirstMortgageBondsDue2032Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">First Mortgage Bonds Due 2032 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_FirstMortgageBondsDue2032Member" xlink:href="bkh-20211231.xsd#bkh_FirstMortgageBondsDue2032Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_FirstMortgageBondsDue2032Member" xlink:to="lab_bkh_FirstMortgageBondsDue2032Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_TransferredAtPointInTimeMember_4b7e1972-a5ee-4674-a780-26b3bea8f146_terseLabel_en-US" xlink:label="lab_us-gaap_TransferredAtPointInTimeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Services transferred at a point in time</link:label>
    <link:label id="lab_us-gaap_TransferredAtPointInTimeMember_label_en-US" xlink:label="lab_us-gaap_TransferredAtPointInTimeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Transferred at Point in Time [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferredAtPointInTimeMember" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TransferredAtPointInTimeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TransferredAtPointInTimeMember" xlink:to="lab_us-gaap_TransferredAtPointInTimeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_PlantAcquisitionAdjustmentMember_7bdd12be-3c11-4802-b0a3-ce367cc58fb0_terseLabel_en-US" xlink:label="lab_bkh_PlantAcquisitionAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plant acquisition adjustment</link:label>
    <link:label id="lab_bkh_PlantAcquisitionAdjustmentMember_label_en-US" xlink:label="lab_bkh_PlantAcquisitionAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plant Acquisition Adjustment [Member]</link:label>
    <link:label id="lab_bkh_PlantAcquisitionAdjustmentMember_documentation_en-US" xlink:label="lab_bkh_PlantAcquisitionAdjustmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plant Acquisition Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_PlantAcquisitionAdjustmentMember" xlink:href="bkh-20211231.xsd#bkh_PlantAcquisitionAdjustmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_PlantAcquisitionAdjustmentMember" xlink:to="lab_bkh_PlantAcquisitionAdjustmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_d50d3268-8c7f-4e2e-b431-892f53a3c063_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Components of Net Periodic Benefit Cost</link:label>
    <link:label id="lab_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Net Benefit Costs [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfNetBenefitCostsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_UtilityPlantMegawattCapacity_317e49e2-75b1-413b-b3c9-f82f4a1289bf_terseLabel_en-US" xlink:label="lab_bkh_UtilityPlantMegawattCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Utility Plant, Megawatt Capacity</link:label>
    <link:label id="lab_bkh_UtilityPlantMegawattCapacity_label_en-US" xlink:label="lab_bkh_UtilityPlantMegawattCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Utility Plant, Megawatt Capacity</link:label>
    <link:label id="lab_bkh_UtilityPlantMegawattCapacity_documentation_en-US" xlink:label="lab_bkh_UtilityPlantMegawattCapacity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Utility Plant, Megawatt Capacity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_UtilityPlantMegawattCapacity" xlink:href="bkh-20211231.xsd#bkh_UtilityPlantMegawattCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_UtilityPlantMegawattCapacity" xlink:to="lab_bkh_UtilityPlantMegawattCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredTaxAssetsInvestments_652404c4-322f-4ae6-9274-3a8bcc542ce1_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Partnership</link:label>
    <link:label id="lab_us-gaap_DeferredTaxAssetsInvestments_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Assets, Investments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsInvestments" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsInvestments" xlink:to="lab_us-gaap_DeferredTaxAssetsInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_6e4219a4-2bbc-4ca9-bc75-79ced12f46be_terseLabel_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInRegulatoryLiabilities_5062a5aa-1d85-472f-b0d7-da0f94d03895_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInRegulatoryLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory liabilities</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInRegulatoryLiabilities_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInRegulatoryLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Increase (Decrease) in Regulatory Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInRegulatoryLiabilities" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInRegulatoryLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInRegulatoryLiabilities" xlink:to="lab_us-gaap_IncreaseDecreaseInRegulatoryLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ClassOfStockLineItems_f8e2bd3b-e4ce-48fc-831f-175567c42558_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfStockLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Class of Stock [Line Items]</link:label>
    <link:label id="lab_us-gaap_ClassOfStockLineItems_label_en-US" xlink:label="lab_us-gaap_ClassOfStockLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Class of Stock [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfStockLineItems" xlink:to="lab_us-gaap_ClassOfStockLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_a627bc41-5d50-400e-93b2-142c2c812a54_terseLabel_en-US" xlink:label="lab_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Name of Property [Axis]</link:label>
    <link:label id="lab_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_label_en-US" xlink:label="lab_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Name of Property [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:to="lab_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NondesignatedMember_43a9e3e4-ce8f-4ac2-a045-25e7c86edab2_terseLabel_en-US" xlink:label="lab_us-gaap_NondesignatedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Not Designated as Hedging Instrument</link:label>
    <link:label id="lab_us-gaap_NondesignatedMember_label_en-US" xlink:label="lab_us-gaap_NondesignatedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Not Designated as Hedging Instrument [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NondesignatedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NondesignatedMember" xlink:to="lab_us-gaap_NondesignatedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CreditFacilityAxis_3848b154-6dfd-47c9-92ba-5c31a79d0cdd_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility [Axis]</link:label>
    <link:label id="lab_us-gaap_CreditFacilityAxis_label_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CreditFacilityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityAxis" xlink:to="lab_us-gaap_CreditFacilityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressAddressLine1_bcc3ccd5-37f0-4f2f-bc78-3251d81d9cc5_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, Address Line One</link:label>
    <link:label id="lab_dei_EntityAddressAddressLine1_label_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Address, Address Line One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressAddressLine1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressAddressLine1" xlink:to="lab_dei_EntityAddressAddressLine1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationsDisclosureTextBlock_484055fa-1da6-4fd1-8c3c-a5abcdd0958d_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationsDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unrecorded Unconditional Purchase Obligations Disclosure</link:label>
    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationsDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationsDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unrecorded Unconditional Purchase Obligations Disclosure [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationsDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationsDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationsDisclosureTextBlock" xlink:to="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationsDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_098f7d52-4ddf-4116-bb07-26ceb02b7b5f_negatedLabel_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Less accumulated depreciation and depletion</link:label>
    <link:label id="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_label_en-US" xlink:label="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="lab_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_d541795e-aa69-44eb-b6d4-bbe8cc44993d_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operating activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest_18f7efeb-395f-471b-819b-ca35723cfbc3_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">AFUDC Borrowed</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Allowance for Funds Used During Construction, Capitalized Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest" xlink:to="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_903bcb5f-b27a-4acb-8f22-53378ca07ee2_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Principles of Consolidation</link:label>
    <link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Consolidation, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsolidationPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConsolidationPolicyTextBlock" xlink:to="lab_us-gaap_ConsolidationPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityShellCompany_de5b5f06-b460-4cfc-9b55-c2ea8510a275_terseLabel_en-US" xlink:label="lab_dei_EntityShellCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Shell Company</link:label>
    <link:label id="lab_dei_EntityShellCompany_label_en-US" xlink:label="lab_dei_EntityShellCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Shell Company</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityShellCompany"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityShellCompany" xlink:to="lab_dei_EntityShellCompany" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfShortTermDebtTextBlock_717a7fc1-9a0a-4ca0-bf9d-cf7c5fd43bbd_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfShortTermDebtTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Short-term Debt</link:label>
    <link:label id="lab_us-gaap_ScheduleOfShortTermDebtTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfShortTermDebtTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Short-term Debt [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShortTermDebtTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShortTermDebtTextBlock"/>
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    <link:label id="lab_srt_NaturalGasReservesMember_fdbe1f67-96ec-4f29-9690-72425ef1deb3_terseLabel_en-US" xlink:label="lab_srt_NaturalGasReservesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Natural Gas</link:label>
    <link:label id="lab_srt_NaturalGasReservesMember_label_en-US" xlink:label="lab_srt_NaturalGasReservesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Natural Gas [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NaturalGasReservesMember" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_NaturalGasReservesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_NaturalGasReservesMember" xlink:to="lab_srt_NaturalGasReservesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LiabilitiesCurrent_30b6a415-0109-4c47-bb61-57f1138d0ca3_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total current liabilities</link:label>
    <link:label id="lab_us-gaap_LiabilitiesCurrent_8ee6e878-a1bd-4882-8e65-27d7f425116d_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current liabilities</link:label>
    <link:label id="lab_us-gaap_LiabilitiesCurrent_label_en-US" xlink:label="lab_us-gaap_LiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Liabilities, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesCurrent" xlink:to="lab_us-gaap_LiabilitiesCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IntersegmentEliminationMember_e2d71beb-872c-4a95-96bd-bf287a1bb85d_terseLabel_en-US" xlink:label="lab_us-gaap_IntersegmentEliminationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intercompany Eliminations</link:label>
    <link:label id="lab_us-gaap_IntersegmentEliminationMember_label_en-US" xlink:label="lab_us-gaap_IntersegmentEliminationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intersegment Eliminations [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntersegmentEliminationMember" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IntersegmentEliminationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IntersegmentEliminationMember" xlink:to="lab_us-gaap_IntersegmentEliminationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_WindMember_6565278c-f8ba-43d6-ac7a-07a7b3c07c71_terseLabel_en-US" xlink:label="lab_bkh_WindMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Wind</link:label>
    <link:label id="lab_bkh_WindMember_label_en-US" xlink:label="lab_bkh_WindMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Wind [Member]</link:label>
    <link:label id="lab_bkh_WindMember_documentation_en-US" xlink:label="lab_bkh_WindMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Electric Generation Source - Wind</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_WindMember" xlink:href="bkh-20211231.xsd#bkh_WindMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_WindMember" xlink:to="lab_bkh_WindMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SupplyCommitmentAxis_1bbf06ef-5cd2-493c-852e-1bcbd738fc39_terseLabel_en-US" xlink:label="lab_us-gaap_SupplyCommitmentAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Supply Commitment [Axis]</link:label>
    <link:label id="lab_us-gaap_SupplyCommitmentAxis_label_en-US" xlink:label="lab_us-gaap_SupplyCommitmentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Supply Commitment [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplyCommitmentAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SupplyCommitmentAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SupplyCommitmentAxis" xlink:to="lab_us-gaap_SupplyCommitmentAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesGeneralDisclosuresTable_baa6a2f3-a9f2-40f7-9e47-212d04b05771_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesGeneralDisclosuresTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities General Disclosures [Table]</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesGeneralDisclosuresTable_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesGeneralDisclosuresTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities General Disclosures [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesGeneralDisclosuresTable" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesGeneralDisclosuresTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesGeneralDisclosuresTable" xlink:to="lab_us-gaap_PublicUtilitiesGeneralDisclosuresTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_75ed6d19-6661-4f8b-9b49-2e7eb0cdf4b5_terseLabel_en-US" xlink:label="lab_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reclassification out of Accumulated Other Comprehensive Income</link:label>
    <link:label id="lab_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_label_en-US" xlink:label="lab_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reclassification out of Accumulated Other Comprehensive Income [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember" xlink:to="lab_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_BusinessGroupDomain_00bcfce0-7bc1-424c-bcf8-89cbdcf47baf_terseLabel_en-US" xlink:label="lab_bkh_BusinessGroupDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Business Group [Domain]</link:label>
    <link:label id="lab_bkh_BusinessGroupDomain_label_en-US" xlink:label="lab_bkh_BusinessGroupDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Business Group [Domain]</link:label>
    <link:label id="lab_bkh_BusinessGroupDomain_documentation_en-US" xlink:label="lab_bkh_BusinessGroupDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">[Domain] for Business Group (grouping of segments) [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_BusinessGroupDomain" xlink:href="bkh-20211231.xsd#bkh_BusinessGroupDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_BusinessGroupDomain" xlink:to="lab_bkh_BusinessGroupDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LossContingenciesTable_497c2da4-9e6b-4b09-bda7-92f7609936c4_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingenciesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Loss Contingencies [Table]</link:label>
    <link:label id="lab_us-gaap_LossContingenciesTable_label_en-US" xlink:label="lab_us-gaap_LossContingenciesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Loss Contingencies [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LossContingenciesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingenciesTable" xlink:to="lab_us-gaap_LossContingenciesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProceedsFromOtherShortTermDebt_5e49968a-b85a-4f2b-a6ab-c961246dcac6_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromOtherShortTermDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Term Loan - borrowings</link:label>
    <link:label id="lab_us-gaap_ProceedsFromOtherShortTermDebt_label_en-US" xlink:label="lab_us-gaap_ProceedsFromOtherShortTermDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Proceeds from Other Short-term Debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromOtherShortTermDebt" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromOtherShortTermDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromOtherShortTermDebt" xlink:to="lab_us-gaap_ProceedsFromOtherShortTermDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_TotalContractCapacityinMegawattsDuePerYearinYearsFiveThroughNineoftheContract_bb26d960-853d-4888-80f2-a2c524604152_terseLabel_en-US" xlink:label="lab_bkh_TotalContractCapacityinMegawattsDuePerYearinYearsFiveThroughNineoftheContract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2023-2028</link:label>
    <link:label id="lab_bkh_TotalContractCapacityinMegawattsDuePerYearinYearsFiveThroughNineoftheContract_label_en-US" xlink:label="lab_bkh_TotalContractCapacityinMegawattsDuePerYearinYearsFiveThroughNineoftheContract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total Contract Capacity in Megawatts Due Per Year in Years Five Through Nine of the Contract</link:label>
    <link:label id="lab_bkh_TotalContractCapacityinMegawattsDuePerYearinYearsFiveThroughNineoftheContract_documentation_en-US" xlink:label="lab_bkh_TotalContractCapacityinMegawattsDuePerYearinYearsFiveThroughNineoftheContract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total Contract Capacity in Megawatts Due Per Year in Years Five Through Nine of the Contract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_TotalContractCapacityinMegawattsDuePerYearinYearsFiveThroughNineoftheContract" xlink:href="bkh-20211231.xsd#bkh_TotalContractCapacityinMegawattsDuePerYearinYearsFiveThroughNineoftheContract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_TotalContractCapacityinMegawattsDuePerYearinYearsFiveThroughNineoftheContract" xlink:to="lab_bkh_TotalContractCapacityinMegawattsDuePerYearinYearsFiveThroughNineoftheContract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_d1ac267d-3699-40a3-a8d5-0d9c2e1b45bc_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate" xlink:to="lab_dei_CurrentFiscalYearEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_HappyJackWindPurchasePowerAgreeementMember_8a4c36d2-b9aa-48c0-b765-88342ca898ec_terseLabel_en-US" xlink:label="lab_bkh_HappyJackWindPurchasePowerAgreeementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Happy Jack Wind Purchase Power Agreement</link:label>
    <link:label id="lab_bkh_HappyJackWindPurchasePowerAgreeementMember_label_en-US" xlink:label="lab_bkh_HappyJackWindPurchasePowerAgreeementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Happy Jack Wind Purchase Power Agreeement [Member]</link:label>
    <link:label id="lab_bkh_HappyJackWindPurchasePowerAgreeementMember_documentation_en-US" xlink:label="lab_bkh_HappyJackWindPurchasePowerAgreeementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Happy Jack Wind Purchase Power Agreeement [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_HappyJackWindPurchasePowerAgreeementMember" xlink:href="bkh-20211231.xsd#bkh_HappyJackWindPurchasePowerAgreeementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_HappyJackWindPurchasePowerAgreeementMember" xlink:to="lab_bkh_HappyJackWindPurchasePowerAgreeementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_IntercompanyCustomersMember_1eaaa758-bafc-4b98-bc42-d0fe809d167d_terseLabel_en-US" xlink:label="lab_bkh_IntercompanyCustomersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intercompany Customers</link:label>
    <link:label id="lab_bkh_IntercompanyCustomersMember_label_en-US" xlink:label="lab_bkh_IntercompanyCustomersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intercompany Customers [Member]</link:label>
    <link:label id="lab_bkh_IntercompanyCustomersMember_documentation_en-US" xlink:label="lab_bkh_IntercompanyCustomersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Intercompany Customers [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_IntercompanyCustomersMember" xlink:href="bkh-20211231.xsd#bkh_IntercompanyCustomersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_IntercompanyCustomersMember" xlink:to="lab_bkh_IntercompanyCustomersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_b3793338-0f7a-45eb-a78c-c1c3e02cb945_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derivative Instruments, Gain (Loss) [Table]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
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    <link:label id="lab_us-gaap_RegulatoryLiabilityCurrent_184573b7-180d-4714-8437-229044597b3c_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory liabilities, current</link:label>
    <link:label id="lab_us-gaap_RegulatoryLiabilityCurrent_e8d9269f-81af-4cf9-a6dc-92b469c79924_negatedLabel_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityCurrent" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory liabilities, current</link:label>
    <link:label id="lab_us-gaap_RegulatoryLiabilityCurrent_label_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilityCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory Liability, Current</link:label>
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    <link:label id="lab_us-gaap_IncomeStatementLocationAxis_0c928672-8af0-4db3-9d20-fd0550f493a5_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Income Statement Location [Axis]</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock_cd8c4c39-ad23-4316-ae43-f22f377a0b1e_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Maturities of Long-term Debt</link:label>
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    <link:label id="lab_dei_EntityIncorporationStateCountryCode_d79a3123-8bf9-4837-ae55-7a389e0bc71c_terseLabel_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Incorporation, State or Country Code</link:label>
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    <link:label id="lab_bkh_ReturnSeekingAssetsMember_3a5ae5fa-68dd-4273-b38a-56a1db8c5611_terseLabel_en-US" xlink:label="lab_bkh_ReturnSeekingAssetsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Return Seeking Assets</link:label>
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    <link:label id="lab_bkh_NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram_7f3415ed-80a8-421f-96bc-d2dabb357695_terseLabel_en-US" xlink:label="lab_bkh_NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net borrowings (payments) of Revolving Credit Facility and CP Program</link:label>
    <link:label id="lab_bkh_NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram_label_en-US" xlink:label="lab_bkh_NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net borrowings (payments) of Revolving Credit Facility and CP Program</link:label>
    <link:label id="lab_bkh_NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram_documentation_en-US" xlink:label="lab_bkh_NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net borrowings (payments) of Revolving Credit Facility and CP Program</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram" xlink:href="bkh-20211231.xsd#bkh_NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram" xlink:to="lab_bkh_NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherAssetsNoncurrent_ca70a959-afb3-45e7-9d9b-602618cfc5e4_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other assets, non-current</link:label>
    <link:label id="lab_us-gaap_OtherAssetsNoncurrent_label_en-US" xlink:label="lab_us-gaap_OtherAssetsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Assets, Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetsNoncurrent" xlink:to="lab_us-gaap_OtherAssetsNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_CommercialPaperMaximumBorrowingCapacity_2bf4216a-91a2-49fb-b443-41b74d5c5fcb_terseLabel_en-US" xlink:label="lab_bkh_CommercialPaperMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Commercial Paper, Maximum Borrowing Capacity</link:label>
    <link:label id="lab_bkh_CommercialPaperMaximumBorrowingCapacity_label_en-US" xlink:label="lab_bkh_CommercialPaperMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Commercial Paper, Maximum Borrowing Capacity</link:label>
    <link:label id="lab_bkh_CommercialPaperMaximumBorrowingCapacity_documentation_en-US" xlink:label="lab_bkh_CommercialPaperMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Commercial Paper, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_CommercialPaperMaximumBorrowingCapacity" xlink:href="bkh-20211231.xsd#bkh_CommercialPaperMaximumBorrowingCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_CommercialPaperMaximumBorrowingCapacity" xlink:to="lab_bkh_CommercialPaperMaximumBorrowingCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmission_24a4e927-f635-46c3-a0bb-bdfa1e111b53_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmission" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Transmission</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmission_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmission" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities, Property, Plant and Equipment, Transmission</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmission" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmission"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmission" xlink:to="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmission" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1_9914129c-6ce3-428f-b03f-199dc9a2e0a7_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Post-65 Ultimate trend rate - Black Hills Corp</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Ultimate Health Care Cost Trend Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1" xlink:to="lab_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_f923fa55-a806-40cb-8333-1edfb4f39382_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Expected return on assets</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Expected Return (Loss) on Plan Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:to="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_01ed6277-20de-4025-a21f-c8b12bb69147_terseLabel_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segments [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_label_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segments [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis" xlink:to="lab_us-gaap_StatementBusinessSegmentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NoncontrollingInterestInVariableInterestEntity_d94ef46f-c04a-4ec1-bd46-fe6036105158_terseLabel_en-US" xlink:label="lab_us-gaap_NoncontrollingInterestInVariableInterestEntity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Non-controlling interest</link:label>
    <link:label id="lab_us-gaap_NoncontrollingInterestInVariableInterestEntity_label_en-US" xlink:label="lab_us-gaap_NoncontrollingInterestInVariableInterestEntity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Noncontrolling Interest in Variable Interest Entity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestInVariableInterestEntity" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NoncontrollingInterestInVariableInterestEntity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoncontrollingInterestInVariableInterestEntity" xlink:to="lab_us-gaap_NoncontrollingInterestInVariableInterestEntity" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_DefinedContributionPlanEmployeeVestingPeriod_394c258b-02b6-461b-a1b1-bee152af1cd1_terseLabel_en-US" xlink:label="lab_bkh_DefinedContributionPlanEmployeeVestingPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Contribution Plan, Employee Vesting Period</link:label>
    <link:label id="lab_bkh_DefinedContributionPlanEmployeeVestingPeriod_label_en-US" xlink:label="lab_bkh_DefinedContributionPlanEmployeeVestingPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Contribution Plan, Employee Vesting Period</link:label>
    <link:label id="lab_bkh_DefinedContributionPlanEmployeeVestingPeriod_documentation_en-US" xlink:label="lab_bkh_DefinedContributionPlanEmployeeVestingPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Period over which an employee vests in a defined contribution plan.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_DefinedContributionPlanEmployeeVestingPeriod" xlink:href="bkh-20211231.xsd#bkh_DefinedContributionPlanEmployeeVestingPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_DefinedContributionPlanEmployeeVestingPeriod" xlink:to="lab_bkh_DefinedContributionPlanEmployeeVestingPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CompensationAndRetirementDisclosureAbstract_label_en-US" xlink:label="lab_us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Retirement Benefits [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:to="lab_us-gaap_CompensationAndRetirementDisclosureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityFileNumber_c5351662-81de-44c9-ab2c-847f1ab07076_terseLabel_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity File Number</link:label>
    <link:label id="lab_dei_EntityFileNumber_label_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity File Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityFileNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFileNumber" xlink:to="lab_dei_EntityFileNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPostretirementHealthCoverageMember_10ef5eaf-e34f-4893-8d4e-41812bc5bf8e_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPostretirementHealthCoverageMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Postretirement Health Coverage</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPostretirementHealthCoverageMember_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPostretirementHealthCoverageMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Postretirement Health Coverage [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPostretirementHealthCoverageMember" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPostretirementHealthCoverageMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPostretirementHealthCoverageMember" xlink:to="lab_us-gaap_DefinedBenefitPostretirementHealthCoverageMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries_60701c3d-0099-4145-8f51-afd090c1bf5d_terseLabel_en-US" xlink:label="lab_us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Restricted Net Assets for Subsidiaries</link:label>
    <link:label id="lab_us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries_label_en-US" xlink:label="lab_us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amount of Restricted Net Assets for Consolidated and Unconsolidated Subsidiaries</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries" xlink:to="lab_us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_EnergyDomain_b014e0a5-b59e-42b5-b875-f47a90c46a28_terseLabel_en-US" xlink:label="lab_srt_EnergyDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Energy [Domain]</link:label>
    <link:label id="lab_srt_EnergyDomain_label_en-US" xlink:label="lab_srt_EnergyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Energy [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EnergyDomain" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_EnergyDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_EnergyDomain" xlink:to="lab_srt_EnergyDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract_036fbae8-1d40-4d9c-8c0c-6c3af9e44fd8_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stockholders&#8217; equity -</link:label>
    <link:label id="lab_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract_label_en-US" xlink:label="lab_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:to="lab_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_OperatingExpenseMaintenanceOperationsandOtherCostsandExpense_16e499e9-97c4-4202-9303-f73e9694924c_terseLabel_en-US" xlink:label="lab_bkh_OperatingExpenseMaintenanceOperationsandOtherCostsandExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operations and maintenance</link:label>
    <link:label id="lab_bkh_OperatingExpenseMaintenanceOperationsandOtherCostsandExpense_label_en-US" xlink:label="lab_bkh_OperatingExpenseMaintenanceOperationsandOtherCostsandExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operating Expense, Maintenance, Operations, and Other Costs and Expense</link:label>
    <link:label id="lab_bkh_OperatingExpenseMaintenanceOperationsandOtherCostsandExpense_documentation_en-US" xlink:label="lab_bkh_OperatingExpenseMaintenanceOperationsandOtherCostsandExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amount of operating expenses for the period including selling, general, and administrative expenses, costs include routine repairs and maintenance and operations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_OperatingExpenseMaintenanceOperationsandOtherCostsandExpense" xlink:href="bkh-20211231.xsd#bkh_OperatingExpenseMaintenanceOperationsandOtherCostsandExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_OperatingExpenseMaintenanceOperationsandOtherCostsandExpense" xlink:to="lab_bkh_OperatingExpenseMaintenanceOperationsandOtherCostsandExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage_aa725042-f092-4df1-9225-493204a15f23_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities, Approved Debt Capital Structure, Percentage</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities, Approved Debt Capital Structure, Percentage</link:label>
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    <link:label id="lab_bkh_FuelPurchasedPowerAndCostOfGasSold_d93d3435-e266-42dd-a957-10949f15cb12_terseLabel_en-US" xlink:label="lab_bkh_FuelPurchasedPowerAndCostOfGasSold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fuel, purchased power and cost of natural gas sold</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock_c4708362-e551-49ee-bc27-aefb4408abec_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Deferred Tax Assets and Liabilities</link:label>
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    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_0183db11-2e6a-4c4c-95f7-64874eafbcb3_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Commitments and Contingencies Disclosure [Abstract]</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage_63efef99-9158-4dc8-9fcd-f40e98db4eb3_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Target Allocation, Percentage</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_7b94f5da-a4e2-4a56-b6d7-a9118c573aa6_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Table]</link:label>
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    <link:label id="lab_us-gaap_TaxCreditCarryforwardTable_1693d0b2-bf4a-4c9d-a80e-692a548ab11c_terseLabel_en-US" xlink:label="lab_us-gaap_TaxCreditCarryforwardTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax Credit Carryforward [Table]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxCreditCarryforwardTable" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TaxCreditCarryforwardTable"/>
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    <link:label id="lab_us-gaap_LongTermContractForPurchaseOfElectricPowerDomain_4e9e0bc0-5e02-4dbe-8555-50818f3ad1b2_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermContractForPurchaseOfElectricPowerDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-term Contract for Purchase of Electric Power [Domain]</link:label>
    <link:label id="lab_us-gaap_LongTermContractForPurchaseOfElectricPowerDomain_label_en-US" xlink:label="lab_us-gaap_LongTermContractForPurchaseOfElectricPowerDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-term Contract for Purchase of Electric Power [Domain]</link:label>
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    <link:label id="lab_bkh_AmountRecoveredThroughRegulatoryMechanism_9befb059-615e-4231-b1e3-f0bd5b4da538_terseLabel_en-US" xlink:label="lab_bkh_AmountRecoveredThroughRegulatoryMechanism" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amount Recovered Through Regulatory Mechanism</link:label>
    <link:label id="lab_bkh_AmountRecoveredThroughRegulatoryMechanism_label_en-US" xlink:label="lab_bkh_AmountRecoveredThroughRegulatoryMechanism" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amount Recovered Through Regulatory Mechanism</link:label>
    <link:label id="lab_bkh_AmountRecoveredThroughRegulatoryMechanism_documentation_en-US" xlink:label="lab_bkh_AmountRecoveredThroughRegulatoryMechanism" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amount Recovered Through Regulatory Mechanism</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_AmountRecoveredThroughRegulatoryMechanism" xlink:href="bkh-20211231.xsd#bkh_AmountRecoveredThroughRegulatoryMechanism"/>
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    <link:label id="lab_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_80614fc7-6eee-4861-b371-c0d8ed8ff0f4_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-term Purchase Commitment, Category of Item Purchased [Domain]</link:label>
    <link:label id="lab_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_label_en-US" xlink:label="lab_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-term Purchase Commitment, Category of Item Purchased [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain"/>
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    <link:label id="lab_bkh_GrossPayrollTaxCreditsRecognizedCaresAct_1d7bac4d-0384-4da9-8c1b-c176fea567b1_terseLabel_en-US" xlink:label="lab_bkh_GrossPayrollTaxCreditsRecognizedCaresAct" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gross Payroll Tax Credits Recognized (Cares Act)</link:label>
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    <link:label id="lab_bkh_GrossPayrollTaxCreditsRecognizedCaresAct_documentation_en-US" xlink:label="lab_bkh_GrossPayrollTaxCreditsRecognizedCaresAct" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gross Payroll Tax Credits Recognized upon the completion of the Cares Act employee retention tax credits study</link:label>
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    <link:label id="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1_6c6aa2f0-49ec-4c0d-a6dc-385a51a28ffb_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Plant acquisition adjustment</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities, Property, Plant and Equipment, Amount of Acquisition Adjustments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1"/>
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    <link:label id="lab_bkh_PurchasePowerAgreementSetToExpireAfterACertainNumberOfYearsFollowingCompletionOfTheFacility_6fd5201e-e81d-4abe-983e-7bcdd863260f_terseLabel_en-US" xlink:label="lab_bkh_PurchasePowerAgreementSetToExpireAfterACertainNumberOfYearsFollowingCompletionOfTheFacility" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase Power Agreement Set to Expire after a Certain Number of Years Following Completion of the Facility</link:label>
    <link:label id="lab_bkh_PurchasePowerAgreementSetToExpireAfterACertainNumberOfYearsFollowingCompletionOfTheFacility_label_en-US" xlink:label="lab_bkh_PurchasePowerAgreementSetToExpireAfterACertainNumberOfYearsFollowingCompletionOfTheFacility" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase Power Agreement Set to Expire after a Certain Number of Years Following Completion of the Facility</link:label>
    <link:label id="lab_bkh_PurchasePowerAgreementSetToExpireAfterACertainNumberOfYearsFollowingCompletionOfTheFacility_documentation_en-US" xlink:label="lab_bkh_PurchasePowerAgreementSetToExpireAfterACertainNumberOfYearsFollowingCompletionOfTheFacility" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase Power Agreement Set to Expire after a Certain Number of Years Following Completion of the Facility</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_PurchasePowerAgreementSetToExpireAfterACertainNumberOfYearsFollowingCompletionOfTheFacility" xlink:href="bkh-20211231.xsd#bkh_PurchasePowerAgreementSetToExpireAfterACertainNumberOfYearsFollowingCompletionOfTheFacility"/>
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    <link:label id="lab_bkh_TransmissionTieMember_554dcb85-3848-4f63-b028-643b77fff1eb_terseLabel_en-US" xlink:label="lab_bkh_TransmissionTieMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Transmission Tie</link:label>
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    <link:label id="lab_bkh_TransmissionTieMember_documentation_en-US" xlink:label="lab_bkh_TransmissionTieMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Jointly onwed Transmission Tie [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_TransmissionTieMember" xlink:href="bkh-20211231.xsd#bkh_TransmissionTieMember"/>
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    <link:label id="lab_bkh_ScheduleOfEmployerContributionToEmployeeBenefitPlansTableTextBlock_4b186c57-5936-4ab5-842d-8f16bcdaba48_terseLabel_en-US" xlink:label="lab_bkh_ScheduleOfEmployerContributionToEmployeeBenefitPlansTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Employer Contribution to Employee Benefit Plans</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_bkh_ScheduleOfEmployerContributionToEmployeeBenefitPlansTableTextBlock" xlink:href="bkh-20211231.xsd#bkh_ScheduleOfEmployerContributionToEmployeeBenefitPlansTableTextBlock"/>
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    <link:label id="lab_us-gaap_DisaggregationOfRevenueTableTextBlock_6b3e7439-218a-49cb-b3b4-7c847b2006d3_terseLabel_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Disaggregation of Revenue</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_6d089113-49fe-4578-a68d-90bc02d874cd_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2026</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock_fefff80d-d4ae-4585-9498-1fdb82e29b72_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Nonvested Share Activity</link:label>
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    <link:label id="lab_bkh_PowerPurchasedMember_672dc884-305c-40aa-b8c1-fbf3a79615b3_terseLabel_en-US" xlink:label="lab_bkh_PowerPurchasedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Power purchased</link:label>
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    <link:label id="lab_bkh_AssetsUsedtoAcquireOtherInvestments_7c50ed32-d05b-4cf5-9712-f629e4d8cd27_terseLabel_en-US" xlink:label="lab_bkh_AssetsUsedtoAcquireOtherInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Assets Held For Sale Used to Acquire Other Investments</link:label>
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    <link:label id="lab_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards_41dc2b6c-4450-446c-9a00-5d62e7b77e56_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Carryovers</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_dafb92df-fdab-4113-996a-6943d4f1c114_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Performance Shares, Number of Shares Authorized</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock_34f6ce79-825f-46c6-b81a-50cec79a0007_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory Matters</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock" xlink:to="lab_us-gaap_ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock" xlink:type="arc" order="1"/>
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    <link:label id="lab_us-gaap_HedgeFundsMultistrategyMember_97a0ce62-2119-4e92-adeb-e040e68baf3d_terseLabel_en-US" xlink:label="lab_us-gaap_HedgeFundsMultistrategyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Hedge Funds</link:label>
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    <link:label id="lab_bkh_CreditFacilityAndShortTermDebtCovenantsTableTextBlock_c8aa03c4-94be-427b-8015-7fd7638373ce_terseLabel_en-US" xlink:label="lab_bkh_CreditFacilityAndShortTermDebtCovenantsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Credit Facility and Short Term Debt Covenants</link:label>
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    <link:label id="lab_us-gaap_PublicUtilitiesRequestedReturnOnEquityPercentage_8af2c9ed-1b75-49ad-849b-12a07747a7b1_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesRequestedReturnOnEquityPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities, Requested Return on Equity, Percentage</link:label>
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    <link:label id="lab_us-gaap_RegulatoryAssetsCurrent_0f1d8542-ee35-4653-ae49-ca305d134cae_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory assets, current</link:label>
    <link:label id="lab_us-gaap_RegulatoryAssetsCurrent_718789eb-9f17-4f65-a401-77d3fcc1b6d5_negatedLabel_en-US" xlink:label="lab_us-gaap_RegulatoryAssetsCurrent" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory assets, current</link:label>
    <link:label id="lab_us-gaap_RegulatoryAssetsCurrent_label_en-US" xlink:label="lab_us-gaap_RegulatoryAssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory Assets, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetsCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RegulatoryAssetsCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatoryAssetsCurrent" xlink:to="lab_us-gaap_RegulatoryAssetsCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_WholesaleMember_30650e14-35dd-4630-a537-aefc9121e4d0_terseLabel_en-US" xlink:label="lab_bkh_WholesaleMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Wholesale</link:label>
    <link:label id="lab_bkh_WholesaleMember_label_en-US" xlink:label="lab_bkh_WholesaleMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Wholesale [Member]</link:label>
    <link:label id="lab_bkh_WholesaleMember_documentation_en-US" xlink:label="lab_bkh_WholesaleMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Wholesale [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_WholesaleMember" xlink:href="bkh-20211231.xsd#bkh_WholesaleMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_WholesaleMember" xlink:to="lab_bkh_WholesaleMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears_84c0d598-ed20-492e-b924-cb46317db7e9_terseLabel_en-US" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2025</link:label>
    <link:label id="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears_label_en-US" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lessor, Operating Lease, Payment to be Received, Year Five</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears" xlink:to="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_DepreciationDepletionAndAmortizationRemainingAmortizationPeriod_67d966b8-1f61-4cfa-b61f-b16004f97bbd_terseLabel_en-US" xlink:label="lab_bkh_DepreciationDepletionAndAmortizationRemainingAmortizationPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Depreciation, depletion and amortization, remaining amortization period</link:label>
    <link:label id="lab_bkh_DepreciationDepletionAndAmortizationRemainingAmortizationPeriod_label_en-US" xlink:label="lab_bkh_DepreciationDepletionAndAmortizationRemainingAmortizationPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Depreciation, Depletion And Amortization, Remaining Amortization Period</link:label>
    <link:label id="lab_bkh_DepreciationDepletionAndAmortizationRemainingAmortizationPeriod_documentation_en-US" xlink:label="lab_bkh_DepreciationDepletionAndAmortizationRemainingAmortizationPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">The depreciation, depletion or amortization period remaining on an asset.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_DepreciationDepletionAndAmortizationRemainingAmortizationPeriod" xlink:href="bkh-20211231.xsd#bkh_DepreciationDepletionAndAmortizationRemainingAmortizationPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_DepreciationDepletionAndAmortizationRemainingAmortizationPeriod" xlink:to="lab_bkh_DepreciationDepletionAndAmortizationRemainingAmortizationPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears_97941b0a-1df0-4ab4-914e-3a0ecfb45d63_terseLabel_en-US" xlink:label="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2022</link:label>
    <link:label id="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears_label_en-US" xlink:label="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unrecorded Unconditional Purchase Obligation Due Within Two Years</link:label>
    <link:label id="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears_documentation_en-US" xlink:label="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unrecorded Unconditional Purchase Obligation Due Within Two Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears" xlink:href="bkh-20211231.xsd#bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears" xlink:to="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProvisionForDoubtfulAccounts_22ec38a4-58c1-4d84-a915-109f205c721c_terseLabel_en-US" xlink:label="lab_us-gaap_ProvisionForDoubtfulAccounts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Additions Charged to Costs and Expenses</link:label>
    <link:label id="lab_us-gaap_ProvisionForDoubtfulAccounts_label_en-US" xlink:label="lab_us-gaap_ProvisionForDoubtfulAccounts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Receivable, Credit Loss Expense (Reversal)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProvisionForDoubtfulAccounts" xlink:to="lab_us-gaap_ProvisionForDoubtfulAccounts" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_0373ad7e-dedf-4ac8-bcaa-ab4607bd4a57_terseLabel_en-US" xlink:label="lab_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain]</link:label>
    <link:label id="lab_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_label_en-US" xlink:label="lab_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:to="lab_us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_39242f23-b8b2-4d56-8e0c-97facd18b2b0_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-term debt</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-term Debt, Gross</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount" xlink:to="lab_us-gaap_DebtInstrumentCarryingAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetsFairValueDisclosure_574d7178-0c59-4496-8f08-9a21c4659b26_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsFairValueDisclosure" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derivative Assets, Total</link:label>
    <link:label id="lab_us-gaap_AssetsFairValueDisclosure_label_en-US" xlink:label="lab_us-gaap_AssetsFairValueDisclosure" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Assets, Fair Value Disclosure</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsFairValueDisclosure" xlink:to="lab_us-gaap_AssetsFairValueDisclosure" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_e5acd091-c75e-45f3-9e1a-f54c02e797d6_terseLabel_en-US" xlink:label="lab_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]</link:label>
    <link:label id="lab_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_label_en-US" xlink:label="lab_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:to="lab_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_SettlementAgreementReachedWithCPUCStaffAndVariousIntervenorsSubjectToTheReviewAndApprovalByAnAdministrativeLawJudgeAndTheCPUCMember_09d56b37-db99-4beb-9d47-2f35a65b9b4c_terseLabel_en-US" xlink:label="lab_bkh_SettlementAgreementReachedWithCPUCStaffAndVariousIntervenorsSubjectToTheReviewAndApprovalByAnAdministrativeLawJudgeAndTheCPUCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Settlement agreement reached with CPUC Staff and various intervenors, subject to the review and approval by an Administrative Law Judge and the CPUC.</link:label>
    <link:label id="lab_bkh_SettlementAgreementReachedWithCPUCStaffAndVariousIntervenorsSubjectToTheReviewAndApprovalByAnAdministrativeLawJudgeAndTheCPUCMember_label_en-US" xlink:label="lab_bkh_SettlementAgreementReachedWithCPUCStaffAndVariousIntervenorsSubjectToTheReviewAndApprovalByAnAdministrativeLawJudgeAndTheCPUCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Settlement agreement reached with CPUC Staff and various intervenors, subject to the review and approval by an Administrative Law Judge and the CPUC. [Member]</link:label>
    <link:label id="lab_bkh_SettlementAgreementReachedWithCPUCStaffAndVariousIntervenorsSubjectToTheReviewAndApprovalByAnAdministrativeLawJudgeAndTheCPUCMember_documentation_en-US" xlink:label="lab_bkh_SettlementAgreementReachedWithCPUCStaffAndVariousIntervenorsSubjectToTheReviewAndApprovalByAnAdministrativeLawJudgeAndTheCPUCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Settlement agreement reached with CPUC Staff and various intervenors, subject to the review and approval by an Administrative Law Judge and the CPUC.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_SettlementAgreementReachedWithCPUCStaffAndVariousIntervenorsSubjectToTheReviewAndApprovalByAnAdministrativeLawJudgeAndTheCPUCMember" xlink:href="bkh-20211231.xsd#bkh_SettlementAgreementReachedWithCPUCStaffAndVariousIntervenorsSubjectToTheReviewAndApprovalByAnAdministrativeLawJudgeAndTheCPUCMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_SettlementAgreementReachedWithCPUCStaffAndVariousIntervenorsSubjectToTheReviewAndApprovalByAnAdministrativeLawJudgeAndTheCPUCMember" xlink:to="lab_bkh_SettlementAgreementReachedWithCPUCStaffAndVariousIntervenorsSubjectToTheReviewAndApprovalByAnAdministrativeLawJudgeAndTheCPUCMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_3b2392a9-04ea-4720-b990-4843565a6870_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">TOTAL LIABILITIES AND TOTAL EQUITY</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Liabilities and Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_47c0b0f9-85aa-4c38-8939-6d5e1978e822_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other tax differences</link:label>
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Effective Income Tax Rate Reconciliation, Other Adjustments, Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherAccruedLiabilitiesCurrent_24de60e3-1b18-4bb6-b511-d2ea812094a1_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAccruedLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other (none of which is individually significant)</link:label>
    <link:label id="lab_us-gaap_OtherAccruedLiabilitiesCurrent_label_en-US" xlink:label="lab_us-gaap_OtherAccruedLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Accrued Liabilities, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAccruedLiabilitiesCurrent" xlink:to="lab_us-gaap_OtherAccruedLiabilitiesCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherAssetImpairmentCharges_ca9da479-e999-4f63-8e57-e02cc4cd2bfb_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetImpairmentCharges" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Impairment of investment</link:label>
    <link:label id="lab_us-gaap_OtherAssetImpairmentCharges_5ad4f07c-8b56-4382-a81b-a6a35a931219_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssetImpairmentCharges" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Impairment of investment</link:label>
    <link:label id="lab_us-gaap_OtherAssetImpairmentCharges_label_en-US" xlink:label="lab_us-gaap_OtherAssetImpairmentCharges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Asset Impairment Charges</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetImpairmentCharges" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetImpairmentCharges"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssetImpairmentCharges" xlink:to="lab_us-gaap_OtherAssetImpairmentCharges" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceived_5f8fa354-fe82-446a-b24c-490940809fac_terseLabel_en-US" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceived" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lessor, Operating Lease, Payments to be Received</link:label>
    <link:label id="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceived_label_en-US" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceived" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lessor, Operating Lease, Payments to be Received</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceived"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceived" xlink:to="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceived" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid_d735e59b-c24e-428d-9b44-174bcdf04bae_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Benefits Paid</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Plan Assets, Benefits Paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid" xlink:to="lab_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_DefinedContributionPlan401KMember_cbc74f5b-32a6-420e-bc60-1f6c46288253_terseLabel_en-US" xlink:label="lab_bkh_DefinedContributionPlan401KMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Contribution Plan, 401K</link:label>
    <link:label id="lab_bkh_DefinedContributionPlan401KMember_label_en-US" xlink:label="lab_bkh_DefinedContributionPlan401KMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Contribution Plan, 401K [Member]</link:label>
    <link:label id="lab_bkh_DefinedContributionPlan401KMember_documentation_en-US" xlink:label="lab_bkh_DefinedContributionPlan401KMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">The 401K defined contribution plan, which requires a contribution from the employee in order to receive a matching contribution (within limits) from the employer [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_DefinedContributionPlan401KMember" xlink:href="bkh-20211231.xsd#bkh_DefinedContributionPlan401KMember"/>
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    <link:label id="lab_bkh_SeniorUnsecuredNotesDue2029Member_e16863f6-870e-4b99-a723-dd9be33dbb9f_terseLabel_en-US" xlink:label="lab_bkh_SeniorUnsecuredNotesDue2029Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Senior Unsecured Notes Due 2029</link:label>
    <link:label id="lab_bkh_SeniorUnsecuredNotesDue2029Member_label_en-US" xlink:label="lab_bkh_SeniorUnsecuredNotesDue2029Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Senior Unsecured Notes Due 2029 [Member]</link:label>
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    <link:label id="lab_us-gaap_EnvironmentalRemediationSiteAxis_9ee43035-87cf-4dcc-9a27-3dbca06dd2fe_terseLabel_en-US" xlink:label="lab_us-gaap_EnvironmentalRemediationSiteAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Environmental Remediation Site [Axis]</link:label>
    <link:label id="lab_us-gaap_EnvironmentalRemediationSiteAxis_label_en-US" xlink:label="lab_us-gaap_EnvironmentalRemediationSiteAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Environmental Remediation Site [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalRemediationSiteAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EnvironmentalRemediationSiteAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EnvironmentalRemediationSiteAxis" xlink:to="lab_us-gaap_EnvironmentalRemediationSiteAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeLineItems_ec23b944-46ee-4157-9f18-65d521164883_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derivative [Line Items]</link:label>
    <link:label id="lab_us-gaap_DerivativeLineItems_label_en-US" xlink:label="lab_us-gaap_DerivativeLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derivative [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DerivativeLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeLineItems" xlink:to="lab_us-gaap_DerivativeLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_PublicUtilitiesTermOfPowerPurchaseAgreement_dc042272-3b23-4f9e-92ba-c0c7f497305d_terseLabel_en-US" xlink:label="lab_bkh_PublicUtilitiesTermOfPowerPurchaseAgreement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities Term of Power Purchase Agreement</link:label>
    <link:label id="lab_bkh_PublicUtilitiesTermOfPowerPurchaseAgreement_label_en-US" xlink:label="lab_bkh_PublicUtilitiesTermOfPowerPurchaseAgreement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities Term of Power Purchase Agreement</link:label>
    <link:label id="lab_bkh_PublicUtilitiesTermOfPowerPurchaseAgreement_documentation_en-US" xlink:label="lab_bkh_PublicUtilitiesTermOfPowerPurchaseAgreement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities Term of Power Purchase Agreement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_PublicUtilitiesTermOfPowerPurchaseAgreement" xlink:href="bkh-20211231.xsd#bkh_PublicUtilitiesTermOfPowerPurchaseAgreement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_PublicUtilitiesTermOfPowerPurchaseAgreement" xlink:to="lab_bkh_PublicUtilitiesTermOfPowerPurchaseAgreement" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShortTermDebtTypeDomain_346e25b2-7548-4670-be7d-035b26796e36_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermDebtTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Short-term Debt, Type [Domain]</link:label>
    <link:label id="lab_us-gaap_ShortTermDebtTypeDomain_label_en-US" xlink:label="lab_us-gaap_ShortTermDebtTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Short-term Debt, Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain" xlink:to="lab_us-gaap_ShortTermDebtTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_TimingOfTransferOfGoodOrServiceDomain_410cac0d-6fb5-467c-be35-7004533c4515_terseLabel_en-US" xlink:label="lab_us-gaap_TimingOfTransferOfGoodOrServiceDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Timing of Transfer of Good or Service [Domain]</link:label>
    <link:label id="lab_us-gaap_TimingOfTransferOfGoodOrServiceDomain_label_en-US" xlink:label="lab_us-gaap_TimingOfTransferOfGoodOrServiceDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Timing of Transfer of Good or Service [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TimingOfTransferOfGoodOrServiceDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TimingOfTransferOfGoodOrServiceDomain" xlink:to="lab_us-gaap_TimingOfTransferOfGoodOrServiceDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingExpensesAbstract_7ca3d407-6165-4fd8-af59-3d98034efc2b_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operating expenses:</link:label>
    <link:label id="lab_us-gaap_OperatingExpensesAbstract_label_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Operating Expenses [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingExpensesAbstract" xlink:to="lab_us-gaap_OperatingExpensesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_EnableEastPipelineMember_e992ed3d-1e73-4391-af8c-ef2d4f801423_terseLabel_en-US" xlink:label="lab_bkh_EnableEastPipelineMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Enable East Pipeline</link:label>
    <link:label id="lab_bkh_EnableEastPipelineMember_label_en-US" xlink:label="lab_bkh_EnableEastPipelineMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Enable East Pipeline [Member]</link:label>
    <link:label id="lab_bkh_EnableEastPipelineMember_documentation_en-US" xlink:label="lab_bkh_EnableEastPipelineMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Enable East Pipeline</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_EnableEastPipelineMember" xlink:href="bkh-20211231.xsd#bkh_EnableEastPipelineMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_EnableEastPipelineMember" xlink:to="lab_bkh_EnableEastPipelineMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_ab1fa150-d18a-40f1-b155-9e7d25cf9e5e_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2023</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Expected Future Benefit Payment, Year Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" xlink:to="lab_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RegulatoryLiabilities_9013b562-1c13-47bc-bdd2-fc5fd867b93e_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory liabilities</link:label>
    <link:label id="lab_us-gaap_RegulatoryLiabilities_9cbfde88-6ef8-4d32-bc61-2c4bbe0f143e_totalLabel_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory liabilities</link:label>
    <link:label id="lab_us-gaap_RegulatoryLiabilities_label_en-US" xlink:label="lab_us-gaap_RegulatoryLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryLiabilities" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RegulatoryLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RegulatoryLiabilities" xlink:to="lab_us-gaap_RegulatoryLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EnergyRelatedDerivativeMember_101100df-f1f6-4c10-a1ca-f0253190b7ae_terseLabel_en-US" xlink:label="lab_us-gaap_EnergyRelatedDerivativeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Energy Related Derivative</link:label>
    <link:label id="lab_us-gaap_EnergyRelatedDerivativeMember_label_en-US" xlink:label="lab_us-gaap_EnergyRelatedDerivativeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Energy Related Derivative [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnergyRelatedDerivativeMember" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EnergyRelatedDerivativeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EnergyRelatedDerivativeMember" xlink:to="lab_us-gaap_EnergyRelatedDerivativeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MinimumMember_3d234670-f218-4f53-a798-17bc348d1546_terseLabel_en-US" xlink:label="lab_srt_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Minimum</link:label>
    <link:label id="lab_srt_MinimumMember_label_en-US" xlink:label="lab_srt_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Minimum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MinimumMember" xlink:to="lab_srt_MinimumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis_6aa8d73b-c721-4907-bac6-17934081ab2e_terseLabel_en-US" xlink:label="lab_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Error Correction, Type [Axis]</link:label>
    <link:label id="lab_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis_label_en-US" xlink:label="lab_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Error Correction, Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis" xlink:to="lab_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_22166712-7c5e-4856-85dd-e1a59b4d4943_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other operating activities, net</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_70d02da3-34aa-4892-b1fe-8243500ce27a_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Issuance of common stock</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Issued During Period, Value, New Issues</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_6a515e93-83fc-4ccc-ab93-959780ef5aed_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash and cash equivalents:</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cash and Cash Equivalents, Period Increase (Decrease) [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract"/>
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    <link:label id="lab_us-gaap_DebtDisclosureTextBlock_7475e2ba-382d-4943-bdb6-46a365524844_terseLabel_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Financing</link:label>
    <link:label id="lab_us-gaap_DebtDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtDisclosureTextBlock" xlink:to="lab_us-gaap_DebtDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_3adc0d03-7921-4757-a685-9e123b59b9ed_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Components of Income Tax Expense (Benefit)</link:label>
    <link:label id="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock"/>
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    <link:label id="lab_us-gaap_LineOfCreditMember_3493e22d-785b-43e5-b680-240b19450429_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit</link:label>
    <link:label id="lab_us-gaap_LineOfCreditMember_label_en-US" xlink:label="lab_us-gaap_LineOfCreditMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditMember" xlink:to="lab_us-gaap_LineOfCreditMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_aaa55b81-bd71-4c7a-94c5-3f0165aa56f4_terseLabel_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Plans</link:label>
    <link:label id="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_label_en-US" xlink:label="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Payment Arrangement [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:to="lab_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueInputsLevel3Member_2da3d9a4-9358-4c12-849e-aa86311693bf_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel3Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fair Value, Inputs, Level 3</link:label>
    <link:label id="lab_us-gaap_FairValueInputsLevel3Member_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel3Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fair Value, Inputs, Level 3 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel3Member" xlink:to="lab_us-gaap_FairValueInputsLevel3Member" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_TransportationStorageGatheringAndCoalAgreementsMember_5b6dc071-7590-48a2-b785-666bed00ded6_terseLabel_en-US" xlink:label="lab_bkh_TransportationStorageGatheringAndCoalAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Natural gas transportation and storage agreements</link:label>
    <link:label id="lab_bkh_TransportationStorageGatheringAndCoalAgreementsMember_label_en-US" xlink:label="lab_bkh_TransportationStorageGatheringAndCoalAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Transportation, Storage, Gathering And Coal Agreements [Member]</link:label>
    <link:label id="lab_bkh_TransportationStorageGatheringAndCoalAgreementsMember_documentation_en-US" xlink:label="lab_bkh_TransportationStorageGatheringAndCoalAgreementsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Transportation, Storage, Gathering And Coal Agreements [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_TransportationStorageGatheringAndCoalAgreementsMember" xlink:href="bkh-20211231.xsd#bkh_TransportationStorageGatheringAndCoalAgreementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_TransportationStorageGatheringAndCoalAgreementsMember" xlink:to="lab_bkh_TransportationStorageGatheringAndCoalAgreementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_PurchasePowerContractMEANMember_623c3861-b1e2-4343-958e-fa77441f1d54_terseLabel_en-US" xlink:label="lab_bkh_PurchasePowerContractMEANMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase Power Contract, MEAN, for up to 20 Megawatts</link:label>
    <link:label id="lab_bkh_PurchasePowerContractMEANMember_c33bdd51-19eb-421a-b2ce-0f18acdaeebb_verboseLabel_en-US" xlink:label="lab_bkh_PurchasePowerContractMEANMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase Power Contract, MEAN</link:label>
    <link:label id="lab_bkh_PurchasePowerContractMEANMember_label_en-US" xlink:label="lab_bkh_PurchasePowerContractMEANMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Purchase Power Contract, MEAN [Member]</link:label>
    <link:label id="lab_bkh_PurchasePowerContractMEANMember_documentation_en-US" xlink:label="lab_bkh_PurchasePowerContractMEANMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-term Purchase Power Contract with MEAN</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_PurchasePowerContractMEANMember" xlink:href="bkh-20211231.xsd#bkh_PurchasePowerContractMEANMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_PurchasePowerContractMEANMember" xlink:to="lab_bkh_PurchasePowerContractMEANMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_DerivativeLiabilitiesNoncurrentMember_431dc39c-dbf0-493f-a21d-34dfdd849882_terseLabel_en-US" xlink:label="lab_bkh_DerivativeLiabilitiesNoncurrentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derivative Liabilities, Noncurrent</link:label>
    <link:label id="lab_bkh_DerivativeLiabilitiesNoncurrentMember_label_en-US" xlink:label="lab_bkh_DerivativeLiabilitiesNoncurrentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derivative Liabilities, Noncurrent [Member]</link:label>
    <link:label id="lab_bkh_DerivativeLiabilitiesNoncurrentMember_documentation_en-US" xlink:label="lab_bkh_DerivativeLiabilitiesNoncurrentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line item in the statement of financial position in a classified presentation in which the fair value amounts of the derivative instruments are included.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_DerivativeLiabilitiesNoncurrentMember" xlink:href="bkh-20211231.xsd#bkh_DerivativeLiabilitiesNoncurrentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_DerivativeLiabilitiesNoncurrentMember" xlink:to="lab_bkh_DerivativeLiabilitiesNoncurrentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing_06ce8df8-9b43-4f9a-abb1-3eb2639ec923_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Production, processing and storage</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities, Property, Plant and Equipment, Generation or Processing</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing" xlink:to="lab_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PaymentsOfStockIssuanceCosts_66d66a09-aeda-41bb-80cf-0fefb9117ded_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfStockIssuanceCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payments of Stock Issuance Costs</link:label>
    <link:label id="lab_us-gaap_PaymentsOfStockIssuanceCosts_label_en-US" xlink:label="lab_us-gaap_PaymentsOfStockIssuanceCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Payments of Stock Issuance Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfStockIssuanceCosts" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsOfStockIssuanceCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfStockIssuanceCosts" xlink:to="lab_us-gaap_PaymentsOfStockIssuanceCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_6eb89c3e-c0b4-4159-be5d-aace04d4f695_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Issuance of common stock (in shares)</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stock Issued During Period, Shares, New Issues</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_SeniorUnsecuredNotesDue2024Member_52c7530c-a347-4d0d-ab33-059d56720037_terseLabel_en-US" xlink:label="lab_bkh_SeniorUnsecuredNotesDue2024Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Senior Unsecured Notes Due 2024</link:label>
    <link:label id="lab_bkh_SeniorUnsecuredNotesDue2024Member_label_en-US" xlink:label="lab_bkh_SeniorUnsecuredNotesDue2024Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Senior Unsecured Notes Due 2024 [Member]</link:label>
    <link:label id="lab_bkh_SeniorUnsecuredNotesDue2024Member_documentation_en-US" xlink:label="lab_bkh_SeniorUnsecuredNotesDue2024Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Senior Unsecured Notes Due 2024</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_SeniorUnsecuredNotesDue2024Member" xlink:href="bkh-20211231.xsd#bkh_SeniorUnsecuredNotesDue2024Member"/>
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    <link:label id="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears_e6fdd873-d8f8-4a41-9456-624d97f5d81a_terseLabel_en-US" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2024</link:label>
    <link:label id="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears_label_en-US" xlink:label="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lessor, Operating Lease, Payment to be Received, Year Four</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears" xlink:to="lab_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_GasSupplyContractTerminationMember_4fd0979f-3b58-4a47-90ef-28ece8bf71c3_terseLabel_en-US" xlink:label="lab_bkh_GasSupplyContractTerminationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gas supply contract termination</link:label>
    <link:label id="lab_bkh_GasSupplyContractTerminationMember_label_en-US" xlink:label="lab_bkh_GasSupplyContractTerminationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gas Supply Contract Termination [Member]</link:label>
    <link:label id="lab_bkh_GasSupplyContractTerminationMember_documentation_en-US" xlink:label="lab_bkh_GasSupplyContractTerminationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gas Supply Contract Termination [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_GasSupplyContractTerminationMember" xlink:href="bkh-20211231.xsd#bkh_GasSupplyContractTerminationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_GasSupplyContractTerminationMember" xlink:to="lab_bkh_GasSupplyContractTerminationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_f9e68e5e-b7ab-446c-a058-c784f08296ea_terseLabel_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Letters of Credit Outstanding, Amount</link:label>
    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_label_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Letters of Credit Outstanding, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LettersOfCreditOutstandingAmount" xlink:to="lab_us-gaap_LettersOfCreditOutstandingAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_44c5c054-eb0d-436a-8f9f-f0474a2bbc2f_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesRegulatoryProceedingDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities, Regulatory Proceeding [Domain]</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesRegulatoryProceedingDomain_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesRegulatoryProceedingDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities, Regulatory Proceeding [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesRegulatoryProceedingDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesRegulatoryProceedingDomain" xlink:to="lab_us-gaap_PublicUtilitiesRegulatoryProceedingDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_AuditInformationAbstract_label_en-US" xlink:label="lab_bkh_AuditInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Audit Information [Abstract]</link:label>
    <link:label id="lab_bkh_AuditInformationAbstract_documentation_en-US" xlink:label="lab_bkh_AuditInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Audit Information [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_AuditInformationAbstract" xlink:href="bkh-20211231.xsd#bkh_AuditInformationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_AuditInformationAbstract" xlink:to="lab_bkh_AuditInformationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NonoperatingIncomeExpense_eda514c0-1337-4ded-9b78-c787f9ef57a9_totalLabel_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total other income (expense)</link:label>
    <link:label id="lab_us-gaap_NonoperatingIncomeExpense_label_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Nonoperating Income (Expense)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NonoperatingIncomeExpense"/>
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    <link:label id="lab_us-gaap_InventoryNetAbstract_9c3698f1-597c-4299-9de0-94de7fb91e81_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryNetAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory, Net [Abstract]</link:label>
    <link:label id="lab_us-gaap_InventoryNetAbstract_label_en-US" xlink:label="lab_us-gaap_InventoryNetAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory, Net [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNetAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryNetAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryNetAbstract" xlink:to="lab_us-gaap_InventoryNetAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_NumberOfOneYearExtensionOptions_5494f0aa-ac7f-4017-ac1a-ca2cea237ee2_terseLabel_en-US" xlink:label="lab_bkh_NumberOfOneYearExtensionOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number Of One-Year Extension Options</link:label>
    <link:label id="lab_bkh_NumberOfOneYearExtensionOptions_label_en-US" xlink:label="lab_bkh_NumberOfOneYearExtensionOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number Of One-Year Extension Options</link:label>
    <link:label id="lab_bkh_NumberOfOneYearExtensionOptions_documentation_en-US" xlink:label="lab_bkh_NumberOfOneYearExtensionOptions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number Of One-Year Extension Options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_NumberOfOneYearExtensionOptions" xlink:href="bkh-20211231.xsd#bkh_NumberOfOneYearExtensionOptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_NumberOfOneYearExtensionOptions" xlink:to="lab_bkh_NumberOfOneYearExtensionOptions" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_CapitalAdditionRequirementsbytheFERCJointAccessTransmissionTariff_c471a455-e4c6-46d3-b2ad-f1d7af8f2c30_terseLabel_en-US" xlink:label="lab_bkh_CapitalAdditionRequirementsbytheFERCJointAccessTransmissionTariff" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Capital Addition Requirements by the FERC Joint-Access Transmission Tariff</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_bkh_CapitalAdditionRequirementsbytheFERCJointAccessTransmissionTariff" xlink:href="bkh-20211231.xsd#bkh_CapitalAdditionRequirementsbytheFERCJointAccessTransmissionTariff"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_CapitalAdditionRequirementsbytheFERCJointAccessTransmissionTariff" xlink:to="lab_bkh_CapitalAdditionRequirementsbytheFERCJointAccessTransmissionTariff" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PerformanceSharesMember_89a226a0-50f0-41d4-8bd6-765999f07aba_terseLabel_en-US" xlink:label="lab_us-gaap_PerformanceSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Performance Shares</link:label>
    <link:label id="lab_us-gaap_PerformanceSharesMember_label_en-US" xlink:label="lab_us-gaap_PerformanceSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Performance Shares [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PerformanceSharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PerformanceSharesMember" xlink:to="lab_us-gaap_PerformanceSharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_1ae3a3fa-cb14-46a7-9818-65b2646c0f67_terseLabel_en-US" xlink:label="lab_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Postretirement Benefits Plan</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:to="lab_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount_98a8f312-7a0a-4e97-979e-2f38d7927988_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities, Approved Rate Increase (Decrease), Amount</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities, Approved Rate Increase (Decrease), Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount" xlink:to="lab_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommitmentsAndContingencies_910905e5-2e94-44d3-b7f0-21acf5794d16_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Commitments, contingencies and guarantees (Note 3)</link:label>
    <link:label id="lab_us-gaap_CommitmentsAndContingencies_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Commitments and Contingencies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingencies" xlink:to="lab_us-gaap_CommitmentsAndContingencies" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax_2e1b4536-68f2-45ab-8b5e-dd1097fe9eb5_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net unrealized gains (losses) on commodity derivatives (net of tax of $(980), $14 and $126, respectively)</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears_2d799bbe-ced0-4b4a-8ae9-7c57fb1e0c4f_terseLabel_en-US" xlink:label="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">2025</link:label>
    <link:label id="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears_label_en-US" xlink:label="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unrecorded Unconditional Purchase Obligation Due Within Five Years</link:label>
    <link:label id="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears_documentation_en-US" xlink:label="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Unrecorded Unconditional Purchase Obligation Due Within Five Years</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears" xlink:href="bkh-20211231.xsd#bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears" xlink:to="lab_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SubsequentEventTable_d72d2edb-929f-4950-b899-73b75612fc18_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Subsequent Event [Table]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTable" xlink:to="lab_us-gaap_SubsequentEventTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_decadbfd-8074-4966-84a7-6e0e7ecb3d61_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">AFUDC Equity</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" xlink:to="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_131fbdca-5fb6-42cc-b842-f2a48062c873_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated other comprehensive income (loss)</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_e3938311-7964-46bf-b4eb-4eca0a68e9e6_periodStartLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Net of Tax, Period Start</link:label>
    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_1314f9c9-9c0a-411d-a2d9-c8b8793a22ef_periodEndLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss), Net of Tax, Period End</link:label>
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    <link:label id="lab_us-gaap_RestrictedStockMember_008bd33b-258b-44ad-aa79-75f8cbe0351f_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Restricted Stock</link:label>
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    <link:label id="lab_us-gaap_TreasuryStockMember_label_en-US" xlink:label="lab_us-gaap_TreasuryStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Treasury Stock [Member]</link:label>
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    <link:label id="lab_bkh_LongTermContractForTransmissionOfElectricPowerDomain_31db50ad-09c7-475c-80a4-157be79bce1e_terseLabel_en-US" xlink:label="lab_bkh_LongTermContractForTransmissionOfElectricPowerDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Long-Term Contract for Transmission of Electric Power [Domain]</link:label>
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    <link:label id="lab_us-gaap_RegulatoryAssetAmortizationPeriod_3fd370fe-9991-4336-96f4-96871c6bd6cc_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryAssetAmortizationPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory Asset, Amortization Period</link:label>
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    <link:label id="lab_bkh_GasUtilitiesMember_e6aa9f8d-0a2c-4502-8239-3ee806b2d67d_terseLabel_en-US" xlink:label="lab_bkh_GasUtilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gas Utilities</link:label>
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    <link:label id="lab_bkh_GasUtilitiesMember_documentation_en-US" xlink:label="lab_bkh_GasUtilitiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Gas Utilities [Member]</link:label>
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    <link:label id="lab_bkh_AnnualRevenueRequirementasRequiredbytheFERCJointAccessTransmissionTariff_924e1520-72c4-4147-ae21-c91c7ec47fc8_terseLabel_en-US" xlink:label="lab_bkh_AnnualRevenueRequirementasRequiredbytheFERCJointAccessTransmissionTariff" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Annual Revenue Requirement, as Required by the FERC Joint-Access Transmission Tariff</link:label>
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    <link:label id="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_a9ddbda7-bc5b-45d5-99c3-fa9180ae657f_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, plant and equipment additions</link:label>
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    <link:label id="lab_us-gaap_TaxCreditCarryforwardValuationAllowance_c40b5540-292b-48c1-9fc2-98d8eaa3c2a3_terseLabel_en-US" xlink:label="lab_us-gaap_TaxCreditCarryforwardValuationAllowance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax Credit Carryforward, Valuation Allowance</link:label>
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    <link:label id="lab_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutCashPercentage_9409665b-a659-48e7-8459-4bea28d9c934_terseLabel_en-US" xlink:label="lab_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutCashPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Performance Share Award Payout, Cash Percentage</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer_35b69c2f-6a0c-411c-897f-0aaced0efbbb_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanContributionsByEmployer" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Employer contributions</link:label>
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    <link:label id="lab_us-gaap_StatementEquityComponentsAxis_cf5ff09c-c060-4bb5-a873-ca6f12329d2b_terseLabel_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity Components [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementEquityComponentsAxis_label_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Equity Components [Axis]</link:label>
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    <link:label id="lab_bkh_OperatingLossCarryforwardsWithNoExpirationDate_documentation_en-US" xlink:label="lab_bkh_OperatingLossCarryforwardsWithNoExpirationDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Operating Loss Carryforwards, With no Expiration Date</link:label>
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    <link:label id="lab_us-gaap_SaleOfStockNameOfTransactionDomain_bb8504c0-275d-49ad-bf26-f51ecb24ba6f_terseLabel_en-US" xlink:label="lab_us-gaap_SaleOfStockNameOfTransactionDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Sale of Stock [Domain]</link:label>
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    <link:label id="lab_us-gaap_InvestmentsMember_35274487-1b59-4246-88e8-9f1a3bedd3ab_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other investments</link:label>
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    <link:label id="lab_bkh_OtherRegulatoryLiabilitiesMember_ae0a83da-ed92-48b8-9f12-b8fcd8f7ef27_terseLabel_en-US" xlink:label="lab_bkh_OtherRegulatoryLiabilitiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other regulatory liabilities</link:label>
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    <link:label id="lab_us-gaap_InventoryNet_8317246e-6206-4938-a950-9ed7c62697de_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Materials, supplies and fuel</link:label>
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    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_cb4b6734-4d58-4a42-89ac-d73538e11bd6_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based compensation</link:label>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis_a24485bf-f701-42c0-8850-2465be56a0e8_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, Plant and Equipment, Type [Axis]</link:label>
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    <link:label id="lab_us-gaap_DeferredTaxAssetsValuationAllowance_7d5ffcc5-6e19-4879-b6b6-b87beb0340bf_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsValuationAllowance" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Less: Valuation allowance</link:label>
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    <link:label id="lab_srt_MajorCustomersAxis_38090649-2ea3-4f67-a2e7-4f735130b726_terseLabel_en-US" xlink:label="lab_srt_MajorCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Customer [Axis]</link:label>
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    <link:label id="lab_srt_CumulativeEffectPeriodOfAdoptionDomain_label_en-US" xlink:label="lab_srt_CumulativeEffectPeriodOfAdoptionDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cumulative Effect, Period of Adoption [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CumulativeEffectPeriodOfAdoptionDomain" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_CumulativeEffectPeriodOfAdoptionDomain"/>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_a676b52b-1d4b-457c-b049-515c6996cb69_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net cash provided by (used in) operating activities</link:label>
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    <link:label id="lab_us-gaap_ShortTermBorrowings_cf5259c3-4d38-40b9-bda0-a01e19c0b0b1_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Notes payable</link:label>
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    <link:label id="lab_bkh_LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts_29f0fb29-fbce-4f9d-b2dc-9fb8afead693_terseLabel_en-US" xlink:label="lab_bkh_LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total long-term debt</link:label>
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    <link:label id="lab_bkh_LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts_documentation_en-US" xlink:label="lab_bkh_LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amount of long term debt before the deduction of deferred financing costs, but after the deduction of unamortized (discount) premium and includes current maturities.</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts" xlink:to="lab_bkh_LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems_1948ed3f-03a5-460f-86bb-06010338a1fc_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accounts Receivable [Line Items]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_CushionGasNotDepreciatedMember_012dfa1e-a54c-405c-b805-5cbc26366baa_terseLabel_en-US" xlink:label="lab_bkh_CushionGasNotDepreciatedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cushion gas - not depreciable</link:label>
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    <link:label id="lab_bkh_CushionGasNotDepreciatedMember_documentation_en-US" xlink:label="lab_bkh_CushionGasNotDepreciatedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cushion Gas - Not Depreciated [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_CushionGasNotDepreciatedMember" xlink:href="bkh-20211231.xsd#bkh_CushionGasNotDepreciatedMember"/>
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    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_ff8737a7-69e0-490f-8941-f94f58b6b9c7_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table]</link:label>
    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fair Value, Recurring and Nonrecurring [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_BusinessGroupAxis_68018638-dabc-4f62-aba3-cbaa34588aca_terseLabel_en-US" xlink:label="lab_bkh_BusinessGroupAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Business Group [Axis]</link:label>
    <link:label id="lab_bkh_BusinessGroupAxis_label_en-US" xlink:label="lab_bkh_BusinessGroupAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Business Group [Axis]</link:label>
    <link:label id="lab_bkh_BusinessGroupAxis_documentation_en-US" xlink:label="lab_bkh_BusinessGroupAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Business Group (grouping of segments) [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_BusinessGroupAxis" xlink:href="bkh-20211231.xsd#bkh_BusinessGroupAxis"/>
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    <link:label id="lab_us-gaap_DebtInstrumentTable_316fa4b7-db7a-40a8-baef-8eca964b4d98_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentTable_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentTable" xlink:to="lab_us-gaap_DebtInstrumentTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SubsequentEventLineItems_6ee97b56-462a-4356-a119-ec233fc5ce8d_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Subsequent Event [Line Items]</link:label>
    <link:label id="lab_us-gaap_SubsequentEventLineItems_label_en-US" xlink:label="lab_us-gaap_SubsequentEventLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Subsequent Event [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventLineItems" xlink:to="lab_us-gaap_SubsequentEventLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_TaxCreditCarryforwardAxis_4c83d009-9e2d-4c50-bbbc-38f69cef82fa_terseLabel_en-US" xlink:label="lab_us-gaap_TaxCreditCarryforwardAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax Credit Carryforward [Axis]</link:label>
    <link:label id="lab_us-gaap_TaxCreditCarryforwardAxis_label_en-US" xlink:label="lab_us-gaap_TaxCreditCarryforwardAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Tax Credit Carryforward [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxCreditCarryforwardAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TaxCreditCarryforwardAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TaxCreditCarryforwardAxis" xlink:to="lab_us-gaap_TaxCreditCarryforwardAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets_59cb5af2-bca8-4d62-b72d-7da2c4a324fb_terseLabel_en-US" xlink:label="lab_bkh_DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Alternative Investments, Fair Value Of Plan Assets</link:label>
    <link:label id="lab_bkh_DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets_label_en-US" xlink:label="lab_bkh_DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Alternative Investments, Fair Value Of Plan Assets</link:label>
    <link:label id="lab_bkh_DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets_documentation_en-US" xlink:label="lab_bkh_DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Alternative Investments, Fair Value Of Plan Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets" xlink:href="bkh-20211231.xsd#bkh_DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets" xlink:to="lab_bkh_DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_95f7a1e0-169d-47bf-8d8c-372cc1e09d63_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Basic (in shares)</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_41a8b7fb-5f2c-4311-86ff-243f73bb64a4_verboseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted average shares - Basic (in shares)</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_1773b906-4f50-4e78-9df5-ceb0666b49b2_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings per share, Diluted (usd per share)</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_61805bfe-b9fe-4f17-bee0-73361ed8d5a9_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Total earnings (loss) per share of common stock, Diluted (usd per share)</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Earnings Per Share, Diluted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareDiluted" xlink:to="lab_us-gaap_EarningsPerShareDiluted" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SegmentDomain_b76a8f66-1329-4639-9eb0-f590f9e0e57f_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segments [Domain]</link:label>
    <link:label id="lab_us-gaap_SegmentDomain_5d934040-a1d8-44d6-a11e-3389630a6aa6_verboseLabel_en-US" xlink:label="lab_us-gaap_SegmentDomain" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reporting Segment [Domain]</link:label>
    <link:label id="lab_us-gaap_SegmentDomain_label_en-US" xlink:label="lab_us-gaap_SegmentDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Segments [Domain]</link:label>
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    <link:label id="lab_us-gaap_EnergyRelatedInventoryNaturalGasInStorage_a8765c7b-1346-45fb-ad32-1f523344c16b_terseLabel_en-US" xlink:label="lab_us-gaap_EnergyRelatedInventoryNaturalGasInStorage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Natural gas in storage</link:label>
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    <link:label id="lab_bkh_EffectiveIncomeTaxReconciliationTCJARelatedCustomerBillingCreditsToItsCustomersPercent_35c70ee4-e309-4064-8357-88a0026126af_terseLabel_en-US" xlink:label="lab_bkh_EffectiveIncomeTaxReconciliationTCJARelatedCustomerBillingCreditsToItsCustomersPercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">TCJA bill credits</link:label>
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    <link:label id="lab_bkh_CoalMember_a2ff9f20-7de9-4bdc-a39a-ba8203ee3689_terseLabel_en-US" xlink:label="lab_bkh_CoalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Coal</link:label>
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    <link:label id="lab_bkh_EnvironmentalMember_32e1b5d6-4fc9-4a79-a221-3913983a9a78_terseLabel_en-US" xlink:label="lab_bkh_EnvironmentalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Environmental</link:label>
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    <link:label id="lab_bkh_EnvironmentalMember_documentation_en-US" xlink:label="lab_bkh_EnvironmentalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Environmental costs associated with utility property [Member]</link:label>
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    <link:label id="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember_2e750ebf-6c03-4f7d-b16f-433f7c81242c_terseLabel_en-US" xlink:label="lab_us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss)</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermInvestments" xlink:to="lab_us-gaap_LongTermInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InventoryRawMaterialsAndSupplies_6c10eff5-bced-47a4-8bb9-b0af4fc478e5_terseLabel_en-US" xlink:label="lab_us-gaap_InventoryRawMaterialsAndSupplies" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Materials and supplies</link:label>
    <link:label id="lab_us-gaap_InventoryRawMaterialsAndSupplies_label_en-US" xlink:label="lab_us-gaap_InventoryRawMaterialsAndSupplies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Inventory, Raw Materials and Supplies, Gross</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSupplies" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryRawMaterialsAndSupplies"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InventoryRawMaterialsAndSupplies" xlink:to="lab_us-gaap_InventoryRawMaterialsAndSupplies" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CostOfGoodsAndServicesSold_41d74b32-84b6-4952-9923-73ae59118bbc_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cost of Purchased Power</link:label>
    <link:label id="lab_us-gaap_CostOfGoodsAndServicesSold_label_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Cost of Goods and Services Sold</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
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    <link:label id="lab_us-gaap_RegulatoryAssetDomain_af7e52fb-1df5-4898-8fcb-ec450897aa0a_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatoryAssetDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory Assets [Domain]</link:label>
    <link:label id="lab_us-gaap_RegulatoryAssetDomain_label_en-US" xlink:label="lab_us-gaap_RegulatoryAssetDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory Asset [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RegulatoryAssetDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RegulatoryAssetDomain"/>
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    <link:label id="lab_bkh_SeniorUnsecuredNotesDue2049Member_33b40619-a87d-4740-a3b2-f702622857b0_terseLabel_en-US" xlink:label="lab_bkh_SeniorUnsecuredNotesDue2049Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Senior Unsecured Notes Due 2049</link:label>
    <link:label id="lab_bkh_SeniorUnsecuredNotesDue2049Member_label_en-US" xlink:label="lab_bkh_SeniorUnsecuredNotesDue2049Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Senior Unsecured Notes Due 2049 [Member]</link:label>
    <link:label id="lab_bkh_SeniorUnsecuredNotesDue2049Member_documentation_en-US" xlink:label="lab_bkh_SeniorUnsecuredNotesDue2049Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Senior Unsecured Notes Due 2049 [Member]</link:label>
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    <link:label id="lab_bkh_IntegratedGenerationMember_55f87b6d-1be6-47d4-99da-9bdf13364fd4_terseLabel_en-US" xlink:label="lab_bkh_IntegratedGenerationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Integrated Generation</link:label>
    <link:label id="lab_bkh_IntegratedGenerationMember_label_en-US" xlink:label="lab_bkh_IntegratedGenerationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Integrated Generation [Member]</link:label>
    <link:label id="lab_bkh_IntegratedGenerationMember_documentation_en-US" xlink:label="lab_bkh_IntegratedGenerationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Integrated Generation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_IntegratedGenerationMember" xlink:href="bkh-20211231.xsd#bkh_IntegratedGenerationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_IntegratedGenerationMember" xlink:to="lab_bkh_IntegratedGenerationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCentralIndexKey_11f526e1-59d8-4adf-b6bd-e3bb398165c4_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:label id="lab_dei_EntityCentralIndexKey_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityCentralIndexKey"/>
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    <link:label id="lab_bkh_BlackHillsEnergyNebraskaGasMember_c35a38f8-97b4-4780-bc63-ca3271c2433b_terseLabel_en-US" xlink:label="lab_bkh_BlackHillsEnergyNebraskaGasMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Black Hills Energy - Nebraska Gas</link:label>
    <link:label id="lab_bkh_BlackHillsEnergyNebraskaGasMember_label_en-US" xlink:label="lab_bkh_BlackHillsEnergyNebraskaGasMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Black Hills Energy - Nebraska Gas [Member]</link:label>
    <link:label id="lab_bkh_BlackHillsEnergyNebraskaGasMember_documentation_en-US" xlink:label="lab_bkh_BlackHillsEnergyNebraskaGasMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Black Hills Energy - Nebraska Gas [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_BlackHillsEnergyNebraskaGasMember" xlink:href="bkh-20211231.xsd#bkh_BlackHillsEnergyNebraskaGasMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_BlackHillsEnergyNebraskaGasMember" xlink:to="lab_bkh_BlackHillsEnergyNebraskaGasMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_644e12e0-8ce5-4d69-9ec4-c501ceca244a_terseLabel_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Antidilutive Securities Excluded from Computation of Earnings Per Share</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
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    <link:label id="lab_bkh_PercentageOfMonthlyRedemption_460b95a8-d700-4726-a533-819d8d141b5a_terseLabel_en-US" xlink:label="lab_bkh_PercentageOfMonthlyRedemption" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage Of Monthly Redemption</link:label>
    <link:label id="lab_bkh_PercentageOfMonthlyRedemption_label_en-US" xlink:label="lab_bkh_PercentageOfMonthlyRedemption" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage Of Monthly Redemption</link:label>
    <link:label id="lab_bkh_PercentageOfMonthlyRedemption_documentation_en-US" xlink:label="lab_bkh_PercentageOfMonthlyRedemption" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Percentage of shares that may be redeemed at the end of each month.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_PercentageOfMonthlyRedemption" xlink:href="bkh-20211231.xsd#bkh_PercentageOfMonthlyRedemption"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_PercentageOfMonthlyRedemption" xlink:to="lab_bkh_PercentageOfMonthlyRedemption" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_AssetRetirementObligationCostsLineItems_6b1bd020-0ca5-4fc3-89ad-3604f42f0c78_terseLabel_en-US" xlink:label="lab_bkh_AssetRetirementObligationCostsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Asset Retirement Obligation Costs [Line Items]</link:label>
    <link:label id="lab_bkh_AssetRetirementObligationCostsLineItems_label_en-US" xlink:label="lab_bkh_AssetRetirementObligationCostsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Asset Retirement Obligation Costs [Line Items]</link:label>
    <link:label id="lab_bkh_AssetRetirementObligationCostsLineItems_documentation_en-US" xlink:label="lab_bkh_AssetRetirementObligationCostsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Costs provided for the retirement of certain long-live assets that are reasonably expected to be recovered in utility rates charged to customers [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_AssetRetirementObligationCostsLineItems" xlink:href="bkh-20211231.xsd#bkh_AssetRetirementObligationCostsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_AssetRetirementObligationCostsLineItems" xlink:to="lab_bkh_AssetRetirementObligationCostsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredTaxAssetsRegulatoryAssetsAndLiabilities_97b3caf5-1414-461e-a665-c8ca9aa1d8ba_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsRegulatoryAssetsAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Regulatory liabilities</link:label>
    <link:label id="lab_us-gaap_DeferredTaxAssetsRegulatoryAssetsAndLiabilities_label_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsRegulatoryAssetsAndLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Assets, Regulatory Assets and Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsRegulatoryAssetsAndLiabilities" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsRegulatoryAssetsAndLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxAssetsRegulatoryAssetsAndLiabilities" xlink:to="lab_us-gaap_DeferredTaxAssetsRegulatoryAssetsAndLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_MarketOffSystemSalesMember_6155218e-54c9-426c-9e21-d13a8be8d31d_terseLabel_en-US" xlink:label="lab_bkh_MarketOffSystemSalesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Market - off-system sales</link:label>
    <link:label id="lab_bkh_MarketOffSystemSalesMember_label_en-US" xlink:label="lab_bkh_MarketOffSystemSalesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Market Off-System Sales [Member]</link:label>
    <link:label id="lab_bkh_MarketOffSystemSalesMember_documentation_en-US" xlink:label="lab_bkh_MarketOffSystemSalesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Market Off-System Sales [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_MarketOffSystemSalesMember" xlink:href="bkh-20211231.xsd#bkh_MarketOffSystemSalesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_bkh_MarketOffSystemSalesMember" xlink:to="lab_bkh_MarketOffSystemSalesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_BlackHillsEnergyColoradoElectricMember_9ddbc4ca-7c90-4c2a-9773-039560a9bb56_terseLabel_en-US" xlink:label="lab_bkh_BlackHillsEnergyColoradoElectricMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Black Hills Energy - Colorado Electric</link:label>
    <link:label id="lab_bkh_BlackHillsEnergyColoradoElectricMember_label_en-US" xlink:label="lab_bkh_BlackHillsEnergyColoradoElectricMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Black Hills Energy - Colorado Electric [Member]</link:label>
    <link:label id="lab_bkh_BlackHillsEnergyColoradoElectricMember_documentation_en-US" xlink:label="lab_bkh_BlackHillsEnergyColoradoElectricMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Black Hills Energy - Colorado Electric</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_BlackHillsEnergyColoradoElectricMember" xlink:href="bkh-20211231.xsd#bkh_BlackHillsEnergyColoradoElectricMember"/>
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    <link:label id="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_5a290fe7-069b-4336-8739-826383b77918_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract"/>
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    <link:label id="lab_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions_44e35768-71a5-42bf-b591-bd3c08695e85_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Reductions for prior year tax positions</link:label>
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    <link:label id="lab_bkh_NNGVenturaMember_73842cb0-aefa-4e45-9708-a9a66734cf82_terseLabel_en-US" xlink:label="lab_bkh_NNGVenturaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Northern Natural Gas - Ventura</link:label>
    <link:label id="lab_bkh_NNGVenturaMember_label_en-US" xlink:label="lab_bkh_NNGVenturaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">NNG-Ventura [Member]</link:label>
    <link:label id="lab_bkh_NNGVenturaMember_documentation_en-US" xlink:label="lab_bkh_NNGVenturaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">NNG-Ventura [Member]</link:label>
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    <link:label id="lab_us-gaap_LessorLeaseDescriptionLineItems_bbebcfdd-5794-4811-bccd-6c8edc837a00_terseLabel_en-US" xlink:label="lab_us-gaap_LessorLeaseDescriptionLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Lessor, Lease, Description [Line Items]</link:label>
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    <link:label id="lab_bkh_PropertyPlantEquipmentExcludingConstructionInProgress_48a58593-e797-48cd-98c4-0b362443d3ce_terseLabel_en-US" xlink:label="lab_bkh_PropertyPlantEquipmentExcludingConstructionInProgress" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, Plant and Equipment</link:label>
    <link:label id="lab_bkh_PropertyPlantEquipmentExcludingConstructionInProgress_label_en-US" xlink:label="lab_bkh_PropertyPlantEquipmentExcludingConstructionInProgress" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property Plant Equipment Excluding Construction In Progress</link:label>
    <link:label id="lab_bkh_PropertyPlantEquipmentExcludingConstructionInProgress_documentation_en-US" xlink:label="lab_bkh_PropertyPlantEquipmentExcludingConstructionInProgress" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property Plant Equipment excluding Construction in Progress</link:label>
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    <link:label id="lab_us-gaap_LossContingenciesLineItems_74343202-fe37-4825-a5de-84b99766922d_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingenciesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Loss Contingencies [Line Items]</link:label>
    <link:label id="lab_us-gaap_LossContingenciesLineItems_label_en-US" xlink:label="lab_us-gaap_LossContingenciesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Loss Contingencies [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LossContingenciesLineItems"/>
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_cb46559e-7636-40ff-8137-5b24510bd2ce_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, Plant and Equipment</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Property, Plant and Equipment Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock"/>
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    <link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_bac8c08c-796c-4358-9458-be850b8fab8b_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other deferred credits and other liabilities</link:label>
    <link:label id="lab_us-gaap_OtherLiabilitiesNoncurrent_label_en-US" xlink:label="lab_us-gaap_OtherLiabilitiesNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other Liabilities, Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent" xlink:to="lab_us-gaap_OtherLiabilitiesNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_bkh_SettlementReachedWithTheRegulatoryAgencyMember_5cf9ae6a-24a1-43a9-ad28-9b71ad0820e2_terseLabel_en-US" xlink:label="lab_bkh_SettlementReachedWithTheRegulatoryAgencyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Settlement Reached with the Regulatory Agency</link:label>
    <link:label id="lab_bkh_SettlementReachedWithTheRegulatoryAgencyMember_label_en-US" xlink:label="lab_bkh_SettlementReachedWithTheRegulatoryAgencyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Settlement Reached with the Regulatory Agency [Member]</link:label>
    <link:label id="lab_bkh_SettlementReachedWithTheRegulatoryAgencyMember_documentation_en-US" xlink:label="lab_bkh_SettlementReachedWithTheRegulatoryAgencyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Settlement Reached with the Regulatory Agency</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligation_258ba515-fb12-4f52-9ef2-a2eea69f512a_periodStartLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligation" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Projected benefit obligation at beginning of year</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligation_bf67b01a-5597-4c55-9e33-c34dcda7d552_periodEndLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligation" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Projected benefit obligation at end of year</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanBenefitObligation_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanBenefitObligation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Benefit Obligation</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanBenefitObligation" xlink:to="lab_us-gaap_DefinedBenefitPlanBenefitObligation" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock_e00ad1e1-cfec-4356-92eb-18925f9ed8a7_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Schedule of Long-term Debt Instruments</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:to="lab_us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_e48aa69e-c31a-4301-86da-ac6a9cca9be0_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="lab_us-gaap_DebtInstrumentLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_TradingSymbol_cc7d3d05-e3fb-44fd-ad45-ab624effaa63_terseLabel_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Trading Symbol</link:label>
    <link:label id="lab_dei_TradingSymbol_label_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Trading Symbol</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_TradingSymbol"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_TradingSymbol" xlink:to="lab_dei_TradingSymbol" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeAssets_83e95e3c-c312-40bf-a9bf-3a096726fa9f_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derivative Assets, Fair Value Disclosure</link:label>
    <link:label id="lab_us-gaap_DerivativeAssets_label_en-US" xlink:label="lab_us-gaap_DerivativeAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Derivative Asset</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeAssets" xlink:to="lab_us-gaap_DerivativeAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RelatedPartyTransactionDomain_5b8b42c0-12e9-459a-bb11-67c68c464c11_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Related Party Transaction [Domain]</link:label>
    <link:label id="lab_us-gaap_RelatedPartyTransactionDomain_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Related Party Transaction [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain" xlink:to="lab_us-gaap_RelatedPartyTransactionDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredTaxLiabilitiesOther_763395a0-d4cc-4cdd-9283-d2748c88ef70_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesOther" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other deferred tax liabilities</link:label>
    <link:label id="lab_us-gaap_DeferredTaxLiabilitiesOther_label_en-US" xlink:label="lab_us-gaap_DeferredTaxLiabilitiesOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Deferred Tax Liabilities, Other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesOther" xlink:to="lab_us-gaap_DeferredTaxLiabilitiesOther" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_dd90ad92-5348-4b27-8ec2-33ef52b6bbfe_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Line of Credit Facility, Current Borrowing Capacity</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity"/>
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    <link:label id="lab_bkh_EffectiveIncomeTaxReconciliationAmortizationOfExcessDeferredIncomeTaxExpense_196b4145-7de8-4f46-9a26-9db87dc18536_terseLabel_en-US" xlink:label="lab_bkh_EffectiveIncomeTaxReconciliationAmortizationOfExcessDeferredIncomeTaxExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Amortization Of excess deferred income tax expense</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant_4a63e948-4d8f-46b5-a2ac-704840a9e2b3_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Retiree contributions</link:label>
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    <link:label id="lab_us-gaap_FairValueByMeasurementBasisAxis_58f9e7b9-bef8-4058-9cac-58fd2a6e6001_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByMeasurementBasisAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Measurement Basis [Axis]</link:label>
    <link:label id="lab_us-gaap_FairValueByMeasurementBasisAxis_label_en-US" xlink:label="lab_us-gaap_FairValueByMeasurementBasisAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Measurement Basis [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_f2de2680-a4d7-4963-96c8-a1dfd9bfada4_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Future Amortization Expense, Year Five</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Finite-Lived Intangible Asset, Expected Amortization, Year Five</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive"/>
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    <link:label id="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock_3372b2be-e54d-4c78-9356-e1a6bebd892a_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Antidilutive Securities</link:label>
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    <link:label id="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_6128f175-629f-4895-b9da-be14287b8b35_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fair Value Measurements</link:label>
    <link:label id="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_label_en-US" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Fair Value of Financial Instruments, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy"/>
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    <link:label id="lab_us-gaap_NonoperatingIncomeExpenseAbstract_ad24495e-618c-479c-b607-f571d6b3aae2_terseLabel_en-US" xlink:label="lab_us-gaap_NonoperatingIncomeExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Other income (expense):</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract"/>
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    <link:label id="lab_dei_AuditorFirmId_eb001764-a408-4c6e-8e07-ba4a7f702a74_terseLabel_en-US" xlink:label="lab_dei_AuditorFirmId" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Auditor Firm ID</link:label>
    <link:label id="lab_dei_AuditorFirmId_label_en-US" xlink:label="lab_dei_AuditorFirmId" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Auditor Firm ID</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorFirmId" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AuditorFirmId"/>
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_152d3e0c-1bca-40ee-83ce-46d7a9f2d66c_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Net cash (used in) investing activities</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward_2612ef38-0f0b-435e-ba48-ff2df3ba8fe6_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward"/>
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    <link:label id="lab_us-gaap_PortionAtFairValueFairValueDisclosureMember_9d86d984-30bf-4191-b317-fa74a32554e7_terseLabel_en-US" xlink:label="lab_us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Portion at Fair Value Measurement</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_c9dcd7f8-ea13-4471-9e33-ee040ec0f337_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Change in certain operating assets and liabilities:</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_019a651d-8a77-46bf-859a-87b1e62f8388_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value</link:label>
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    <link:label id="lab_bkh_EmployeeServiceShareBasedCompensationOtherThanOptionsTotalPayoutValue_5c76f65b-2f37-4fcf-b2e2-0198b4bb977d_terseLabel_en-US" xlink:label="lab_bkh_EmployeeServiceShareBasedCompensationOtherThanOptionsTotalPayoutValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Target shares, value</link:label>
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    <link:label id="lab_bkh_EmployeeServiceShareBasedCompensationOtherThanOptionsTotalPayoutValue_documentation_en-US" xlink:label="lab_bkh_EmployeeServiceShareBasedCompensationOtherThanOptionsTotalPayoutValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">The amount of the total payout for an employee service share-based compensation award for other than options that has been accrued at the Balance Sheet date. The total value includes the stock price, dividends and the percentage payout value.</link:label>
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    <link:label id="lab_bkh_BuschRanchIWindFarmMember_f5f7e53c-e9f7-4339-bc9c-ff6769646e49_terseLabel_en-US" xlink:label="lab_bkh_BuschRanchIWindFarmMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Busch Ranch I Wind Farm</link:label>
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    <link:label id="lab_bkh_BuschRanchIWindFarmMember_documentation_en-US" xlink:label="lab_bkh_BuschRanchIWindFarmMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Busch Ranch I Wind Farm [Member]</link:label>
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    <link:label id="lab_bkh_NumberOfMegawattsCapacityPurchasedOld_728561a3-9e33-4f7b-add4-db14019f2d35_terseLabel_en-US" xlink:label="lab_bkh_NumberOfMegawattsCapacityPurchasedOld" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Electric Generation Capacity, Megawatts</link:label>
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    <link:label id="lab_bkh_NumberOfMegawattsCapacityPurchasedOld_documentation_en-US" xlink:label="lab_bkh_NumberOfMegawattsCapacityPurchasedOld" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Number of Megawatts being purchased under capacity and energy contract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_bkh_NumberOfMegawattsCapacityPurchasedOld" xlink:href="bkh-20211231.xsd#bkh_NumberOfMegawattsCapacityPurchasedOld"/>
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    <link:label id="lab_bkh_PublicUtilitiesAmountOfSystemSafetyAndIntegretyRiderMovedToBaseRates_2c614a92-ad37-454c-9955-a1dd6b8dd9ba_terseLabel_en-US" xlink:label="lab_bkh_PublicUtilitiesAmountOfSystemSafetyAndIntegretyRiderMovedToBaseRates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xmlns:xml="http://www.w3.org/XML/1998/namespace" xml:lang="en-US">Public Utilities Amount of System Safety and Integrety Rider Moved to Base Rates</link:label>
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<DOCUMENT>
<TYPE>EX-101.PRE
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<FILENAME>bkh-20211231_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
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<head>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333934256232">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Cover Page - USD ($)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Jan. 31, 2022</div></th>
<th class="th"><div>Jun. 30, 2021</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CoverAbstract', window );"><strong>Cover [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">10-K<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentAnnualReport', window );">Document Annual Report</a></td>
<td class="text">true<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CurrentFiscalYearEndDate', window );">Current Fiscal Year End Date</a></td>
<td class="text">--12-31<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Dec. 31,  2021<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentTransitionReport', window );">Document Transition Report</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">001-31303<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">BLACK HILLS CORPORATION<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">SD<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">46-0458824<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">7001 Mount Rushmore Road<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Rapid City<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">SD<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">57702<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">605<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">721-1700<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common stock of $1.00 par value<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">BKH<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityWellKnownSeasonedIssuer', window );">Entity Well-known Seasoned Issuer</a></td>
<td class="text">Yes<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityVoluntaryFilers', window );">Entity Voluntary Filers</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCurrentReportingStatus', window );">Entity Current Reporting Status</a></td>
<td class="text">Yes<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityInteractiveDataCurrent', window );">Entity Interactive Data Current</a></td>
<td class="text">Yes<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityFilerCategory', window );">Entity Filer Category</a></td>
<td class="text">Large Accelerated Filer<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntitySmallBusiness', window );">Entity Small Business</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_IcfrAuditorAttestationFlag', window );">ICFR Auditor Attestation Flag</a></td>
<td class="text">true<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityShellCompany', window );">Entity Shell Company</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityPublicFloat', window );">Entity Public Float</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4,135,954,577<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCommonStockSharesOutstanding', window );">Entity Common Stock, Shares Outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">64,738,725<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentsIncorporatedByReferenceTextBlock', window );">Documents Incorporated by Reference</a></td>
<td class="text">Portions of the registrant&#8217;s Definitive Proxy Statement being prepared for the solicitation of proxies in connection with the 2022 Annual Meeting of Stockholders to be held on April&#160;26, 2022, are incorporated by reference in Part III of this Form 10-K.<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0001130464<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentFiscalYearFocus', window );">Document Fiscal Year Focus</a></td>
<td class="text">2021<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentFiscalPeriodFocus', window );">Document Fiscal Period Focus</a></td>
<td class="text">FY<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td style="white-space:nowrap;">dei_AmendmentFlag</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CityAreaCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CityAreaCode</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CoverAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cover page.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CurrentFiscalYearEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>End date of current fiscal year in the format --MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CurrentFiscalYearEndDate</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true only for a form used as an annual report.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentAnnualReport</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentFiscalPeriodFocus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fiscal period values are FY, Q1, Q2, and Q3.  1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentFiscalPeriodFocus</td>
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<td><strong> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentFiscalYearFocus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentFiscalYearFocus</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period.  The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentTransitionReport">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true only for a form used as a transition report.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Forms 10-K, 10-Q, 20-F<br> -Number 240<br> -Section 13<br> -Subsection a-1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentTransitionReport</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentsIncorporatedByReferenceTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Documents incorporated by reference.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-23<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentsIncorporatedByReferenceTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Address Line 1 such as Attn, Building Name, Street Name</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressCityOrTown</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressPostalZipCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressStateOrProvince</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:stateOrProvinceItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCommonStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCommonStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCurrentReportingStatus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCurrentReportingStatus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFileNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFileNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fileNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFilerCategory">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFilerCategory</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:filerCategoryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityIncorporationStateCountryCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Two-character EDGAR code representing the state or country of incorporation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityIncorporationStateCountryCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarStateCountryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityInteractiveDataCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation S-T<br> -Number 232<br> -Section 405<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityInteractiveDataCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityPublicFloat">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityPublicFloat</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityShellCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityShellCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntitySmallBusiness">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicates that the company is a Smaller Reporting Company (SRC).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntitySmallBusiness</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:employerIdItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityVoluntaryFilers">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityVoluntaryFilers</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityWellKnownSeasonedIssuer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<br> -Section 405<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityWellKnownSeasonedIssuer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_IcfrAuditorAttestationFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_IcfrAuditorAttestationFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LocalPhoneNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LocalPhoneNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_Security12bTitle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:securityTitleItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SecurityExchangeName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the Exchange on which a security is registered.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection d1-1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SecurityExchangeName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarExchangeCodeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_TradingSymbol">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_TradingSymbol</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
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<td><strong> Data Type:</strong></td>
<td>dei:tradingSymbolItemType</td>
</tr>
<tr>
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<td>na</td>
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<td>duration</td>
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Audit Information<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_AuditorName', window );">Auditor Name</a></td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_AuditorFirmId', window );">Auditor Firm ID</a></td>
<td class="text">34<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Audit Information [Abstract]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AuditorFirmId">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>PCAOB issued Audit Firm Identifier</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AuditorFirmId</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:nonemptySequenceNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AuditorLocation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AuditorLocation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:internationalNameItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AuditorName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 10-K<br> -Number 249<br> -Section 310<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 20-F<br> -Number 249<br> -Section 220<br> -Subsection f<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Form 40-F<br> -Number 249<br> -Section 240<br> -Subsection f<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AuditorName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:internationalNameItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>19
<FILENAME>R3.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333933975560">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Income - USD ($)<br> shares in Thousands, $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenuesAbstract', window );"><strong>Revenue:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">$ 1,949,102<span></span>
</td>
<td class="nump">$ 1,696,941<span></span>
</td>
<td class="nump">$ 1,734,900<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingExpensesAbstract', window );"><strong>Operating expenses:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_FuelPurchasedPowerAndCostOfGasSold', window );">Fuel, purchased power and cost of natural gas sold</a></td>
<td class="nump">741,934<span></span>
</td>
<td class="nump">492,404<span></span>
</td>
<td class="nump">570,829<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_OperatingExpenseMaintenanceOperationsandOtherCostsandExpense', window );">Operations and maintenance</a></td>
<td class="nump">501,690<span></span>
</td>
<td class="nump">495,404<span></span>
</td>
<td class="nump">495,994<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation, depletion and amortization</a></td>
<td class="nump">235,953<span></span>
</td>
<td class="nump">224,457<span></span>
</td>
<td class="nump">209,120<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxesExcludingIncomeAndExciseTaxes', window );">Taxes - property and production</a></td>
<td class="nump">60,096<span></span>
</td>
<td class="nump">56,373<span></span>
</td>
<td class="nump">52,915<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingExpenses', window );">Total operating expenses</a></td>
<td class="nump">1,539,673<span></span>
</td>
<td class="nump">1,268,638<span></span>
</td>
<td class="nump">1,328,858<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingIncomeLoss', window );">Operating income</a></td>
<td class="nump">409,429<span></span>
</td>
<td class="nump">428,303<span></span>
</td>
<td class="nump">406,042<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NonoperatingIncomeExpenseAbstract', window );"><strong>Other income (expense):</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestCostsIncurred', window );">Interest expense incurred net of amounts capitalized (including amortization of debt issuance costs, premiums and discounts)</a></td>
<td class="num">(154,112)<span></span>
</td>
<td class="num">(144,931)<span></span>
</td>
<td class="num">(139,291)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentIncomeInterest', window );">Interest income</a></td>
<td class="nump">1,708<span></span>
</td>
<td class="nump">1,461<span></span>
</td>
<td class="nump">1,632<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetImpairmentCharges', window );">Impairment of investment</a></td>
<td class="nump">0<span></span>
</td>
<td class="num">(6,859)<span></span>
</td>
<td class="num">(19,741)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncomeExpense', window );">Other income (expense), net</a></td>
<td class="nump">1,404<span></span>
</td>
<td class="num">(2,293)<span></span>
</td>
<td class="num">(5,740)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NonoperatingIncomeExpense', window );">Total other income (expense)</a></td>
<td class="num">(151,000)<span></span>
</td>
<td class="num">(152,622)<span></span>
</td>
<td class="num">(163,140)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income before income taxes</a></td>
<td class="nump">258,429<span></span>
</td>
<td class="nump">275,681<span></span>
</td>
<td class="nump">242,902<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income tax (expense)</a></td>
<td class="num">(7,169)<span></span>
</td>
<td class="num">(32,918)<span></span>
</td>
<td class="num">(29,580)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income</a></td>
<td class="nump">251,260<span></span>
</td>
<td class="nump">242,763<span></span>
</td>
<td class="nump">213,322<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest', window );">Net income attributable to non-controlling interest</a></td>
<td class="num">(14,516)<span></span>
</td>
<td class="num">(15,155)<span></span>
</td>
<td class="num">(14,012)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income available for common stock</a></td>
<td class="nump">$ 236,744<span></span>
</td>
<td class="nump">$ 227,608<span></span>
</td>
<td class="nump">$ 199,310<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareAbstract', window );"><strong>Earnings per share of common stock:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasic', window );">Earnings per share, Basic (usd per share)</a></td>
<td class="nump">$ 3.74<span></span>
</td>
<td class="nump">$ 3.65<span></span>
</td>
<td class="nump">$ 3.29<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareDiluted', window );">Earnings per share, Diluted (usd per share)</a></td>
<td class="nump">$ 3.74<span></span>
</td>
<td class="nump">$ 3.65<span></span>
</td>
<td class="nump">$ 3.28<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_WeightedAverageNumberOfSharesOutstandingBasicAndDilutedAbstract', window );"><strong>Weighted average common shares outstanding:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Basic (in shares)</a></td>
<td class="nump">63,219<span></span>
</td>
<td class="nump">62,378<span></span>
</td>
<td class="nump">60,662<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding', window );">Diluted (in shares)</a></td>
<td class="nump">63,325<span></span>
</td>
<td class="nump">62,439<span></span>
</td>
<td class="nump">60,798<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_FuelPurchasedPowerAndCostOfGasSold">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fuel costs incurred that are directly related to goods produced and sold and services rendered during the reporting period, combined with the amount of purchased power charged against earnings for the period, and cost of gas sold to customers for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_FuelPurchasedPowerAndCostOfGasSold</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_OperatingExpenseMaintenanceOperationsandOtherCostsandExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating expenses for the period including selling, general, and administrative expenses, costs include routine repairs and maintenance and operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_OperatingExpenseMaintenanceOperationsandOtherCostsandExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_WeightedAverageNumberOfSharesOutstandingBasicAndDilutedAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average number of shares of common stock, basic and diluted[Abstract]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_WeightedAverageNumberOfSharesOutstandingBasicAndDilutedAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DepreciationDepletionAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DepreciationDepletionAndAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 40<br> -Section 65<br> -Paragraph 1<br> -Subparagraph (e)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=123482062&amp;loc=SL123482106-238011<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22583-107794<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22694-107794<br><br>Reference 4: 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http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareDiluted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 55<br> -Paragraph 52<br> -URI http://asc.fasb.org/extlink&amp;oid=125512782&amp;loc=d3e4984-109258<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 7<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22644-107794<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=125512782&amp;loc=d3e3842-109258<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1252-109256<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22694-107794<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22595-107794<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22583-107794<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 60B<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=SL5780133-109256<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 40<br> -Section 65<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123482062&amp;loc=SL123482106-238011<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(27))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22694-107794<br><br>Reference 14: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1337-109256<br><br>Reference 15: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 40<br> -Section 65<br> -Paragraph 1<br> -Subparagraph (e)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=123482062&amp;loc=SL123482106-238011<br><br>Reference 16: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareDiluted</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 940<br> -SubTopic 20<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123384075&amp;loc=d3e41242-110953<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 235<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-05(b)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399901&amp;loc=d3e537907-122884<br><br>Reference 9: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 31<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8924-108599<br><br>Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(15))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32672-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22663-107794<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123586238&amp;loc=d3e38679-109324<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(9))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22658-107794<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestCostsIncurred">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total interest costs incurred during the period and either capitalized or charged against earnings.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=6450988&amp;loc=d3e26243-108391<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestCostsIncurred</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentIncomeInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.7(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentIncomeInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI 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-Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(i))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 14: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(i))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 15: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22663-107794<br><br>Reference 16: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iv))<br> -URI 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of Net Income (Loss) attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669625-108580<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=109239629&amp;loc=SL4573702-111684<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22658-107794<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669619-108580<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4J<br> -URI http://asc.fasb.org/extlink&amp;oid=120409616&amp;loc=SL4591551-111686<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22663-107794<br><br>Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=124431353&amp;loc=SL124452729-227067<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLossAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NonoperatingIncomeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NonoperatingIncomeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NonoperatingIncomeExpenseAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NonoperatingIncomeExpenseAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingExpenses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingExpenses</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingExpensesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingExpensesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net result for the period of deducting operating expenses from operating revenues.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 31<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8924-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherAssetImpairmentCharges">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109226691&amp;loc=d3e2921-110230<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherAssetImpairmentCharges</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherNonoperatingIncomeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (expense) related to nonoperating activities, classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherNonoperatingIncomeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProfitLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
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-Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 18: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iii)(A))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 19: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=109222650&amp;loc=SL51721683-107760<br><br>Reference 20: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 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http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8924-108599<br><br>Reference 24: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669625-108580<br><br>Reference 25: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(iv))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 26: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(iii)(A))<br> -URI 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FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22658-107794<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Revenues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123596393&amp;loc=d3e14064-108612<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iv))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 7: 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FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 40<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9031-108599<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(i))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(i))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br><br>Reference 14: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 15: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 41<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9038-108599<br><br>Reference 16: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(iii)(A))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 17: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 18: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 42<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9054-108599<br><br>Reference 19: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 20: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 235<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-05(b)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399901&amp;loc=d3e537907-122884<br><br>Reference 21: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iii)(B))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 22: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 23: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Revenues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenuesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenuesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TaxesExcludingIncomeAndExciseTaxes">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>All taxes not related to income of the entity or excise or sales taxes levied on the revenue of the entity that are not reported elsewhere. These taxes could include production, real estate, personal property, and pump tax.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TaxesExcludingIncomeAndExciseTaxes</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 16<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1505-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1448-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfSharesOutstandingBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333939100408">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Comprehensive Income - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income</a></td>
<td class="nump">$ 251,260<span></span>
</td>
<td class="nump">$ 242,763<span></span>
</td>
<td class="nump">$ 213,322<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract', window );"><strong>Other comprehensive income (loss), net of tax:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax', window );">Benefit plan liability adjustments - net gain (loss) (net of tax of $(664), $191 and $1,886, respectively)</a></td>
<td class="nump">1,959<span></span>
</td>
<td class="num">(1,062)<span></span>
</td>
<td class="num">(6,253)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax', window );">Benefit plan liability adjustments - prior service costs (net of tax of $0, $0 and $2 respectively)</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="num">(8)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax', window );">Reclassification adjustment of benefit plan liability - net loss (net of tax of $(665), $(958) and $434, respectively)</a></td>
<td class="nump">1,726<span></span>
</td>
<td class="nump">1,429<span></span>
</td>
<td class="nump">1,179<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax', window );">Reclassification adjustment of benefit plan liability - prior service cost (net of tax of $27, $23 and $19, respectively)</a></td>
<td class="num">(71)<span></span>
</td>
<td class="num">(80)<span></span>
</td>
<td class="num">(58)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Other comprehensive income (loss), net of tax</a></td>
<td class="nump">7,262<span></span>
</td>
<td class="nump">3,309<span></span>
</td>
<td class="num">(3,739)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest', window );">Comprehensive income</a></td>
<td class="nump">258,522<span></span>
</td>
<td class="nump">246,072<span></span>
</td>
<td class="nump">209,583<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest', window );">Less: comprehensive income attributable to non-controlling interest</a></td>
<td class="num">(14,516)<span></span>
</td>
<td class="num">(15,155)<span></span>
</td>
<td class="num">(14,012)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ComprehensiveIncomeNetOfTax', window );">Comprehensive income available for common stock</a></td>
<td class="nump">244,006<span></span>
</td>
<td class="nump">230,917<span></span>
</td>
<td class="nump">195,571<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember', window );">Interest rate swaps</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract', window );"><strong>Other comprehensive income (loss), net of tax:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax', window );">Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax</a></td>
<td class="nump">2,174<span></span>
</td>
<td class="nump">2,564<span></span>
</td>
<td class="nump">2,185<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember', window );">Commodity derivatives</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract', window );"><strong>Other comprehensive income (loss), net of tax:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax', window );">Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax</a></td>
<td class="num">(1,549)<span></span>
</td>
<td class="nump">505<span></span>
</td>
<td class="num">(362)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax', window );">Net unrealized gains (losses) on commodity derivatives (net of tax of $(980), $14 and $126, respectively)</a></td>
<td class="nump">$ 3,023<span></span>
</td>
<td class="num">$ (47)<span></span>
</td>
<td class="num">$ (422)<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ComprehensiveIncomeNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(24))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e557-108580<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(26))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669625-108580<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669619-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ComprehensiveIncomeNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4K<br> -URI http://asc.fasb.org/extlink&amp;oid=120409616&amp;loc=SL4591552-111686<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669619-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(20))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=123454820&amp;loc=SL4569616-111683<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669625-108580<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(24))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of Net Income (Loss) attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669625-108580<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=109239629&amp;loc=SL4573702-111684<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22658-107794<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669619-108580<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4J<br> -URI http://asc.fasb.org/extlink&amp;oid=120409616&amp;loc=SL4591551-111686<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22663-107794<br><br>Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=124431353&amp;loc=SL124452729-227067<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLossAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after tax, of cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (j)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669646-108580<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e637-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669646-108580<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e637-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e689-108580<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e637-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 17A<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL34724391-108580<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e689-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e637-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after adjustments, of tax expense (benefit) for gain (loss) from increase (decrease) in value of excluded component of derivative designated and qualifying as hedge. Adjustments include, but are not limited to, reclassifications for sale and settlement, and amounts recognized under systematic and rational method.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (dd)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669646-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4C<br> -Subparagraph (bb)<br> -URI http://asc.fasb.org/extlink&amp;oid=125515794&amp;loc=SL5624171-113959<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax and reclassification adjustments of other comprehensive income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669619-108580<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=124431353&amp;loc=SL124442407-227067<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21463-112644<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 45<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=118261656&amp;loc=d3e32136-110900<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=124507222&amp;loc=d3e1436-108581<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 45<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=118261656&amp;loc=d3e32211-110900<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6450520&amp;loc=d3e32583-110901<br><br>Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=124431353&amp;loc=SL124442411-227067<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669625-108580<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</tr>
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<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 17A<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL34724391-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e637-108580<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e689-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProfitLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669619-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(1)<br> -URI 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333933943176">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Comprehensive Income (Parentheticals) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
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<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
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<tr class="re">
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<td class="num">$ (664)<span></span>
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<td class="nump">$ 191<span></span>
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<td class="nump">$ 1,886<span></span>
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<td class="nump">0<span></span>
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<td class="nump">0<span></span>
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<td class="nump">2<span></span>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax', window );">(Tax) benefit on reclassification adjustment of benefit plan liability - net loss</a></td>
<td class="num">(665)<span></span>
</td>
<td class="num">(958)<span></span>
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<td class="nump">434<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax', window );">(Tax) benefit on reclassification adjustment of benefit plan liability - prior service cost</a></td>
<td class="nump">27<span></span>
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<td class="nump">23<span></span>
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<td class="nump">19<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax', window );">Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification,Tax (Benefit)</a></td>
<td class="num">(677)<span></span>
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<td class="num">(287)<span></span>
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<td class="num">(666)<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember', window );">Commodity Contract</a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax', window );">Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification,Tax (Benefit)</a></td>
<td class="nump">502<span></span>
</td>
<td class="num">(96)<span></span>
</td>
<td class="nump">55<span></span>
</td>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAdjustmentsTax', window );">(Tax) benefit on net unrealized gains (losses) on commodity derivatives</a></td>
<td class="num">$ (980)<span></span>
</td>
<td class="nump">$ 14<span></span>
</td>
<td class="nump">$ 126<span></span>
</td>
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<div style="display: none;">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of tax expense (benefit) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e640-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of tax (expense) benefit of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e640-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of tax expense (benefit) for reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e640-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAdjustmentsTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of tax expense (benefit) for adjustments from accumulated other comprehensive income (AOCI) for gain (loss) from increase (decrease) in value of excluded component of derivative designated and qualifying as hedge. Adjustments include, but are not limited to, reclassifications for sale and settlement, and amounts recognized under systematic and rational method.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (dd)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669646-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e689-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e637-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAdjustmentsTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of tax (expense) benefit for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e640-108580<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=123454820&amp;loc=SL4569616-111683<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBenefitPlanImprovementTaxEffect</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of tax (expense) benefit for reclassification adjustment from accumulated other comprehensive (income) loss of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=123454820&amp;loc=SL4569616-111683<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e640-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
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<SEQUENCE>22
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<DESCRIPTION>IDEA: XBRL DOCUMENT
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<html>
<head>
<title></title>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333934304520">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Consolidated Balance Sheets - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrentAbstract', window );"><strong>Current assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">Cash and cash equivalents</a></td>
<td class="nump">$ 8,921<span></span>
</td>
<td class="nump">$ 6,356<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RestrictedCashAndInvestmentsCurrent', window );">Restricted cash and equivalents</a></td>
<td class="nump">4,889<span></span>
</td>
<td class="nump">4,383<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableNetCurrent', window );">Accounts receivable, net</a></td>
<td class="nump">321,652<span></span>
</td>
<td class="nump">265,961<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryNet', window );">Materials, supplies and fuel</a></td>
<td class="nump">150,979<span></span>
</td>
<td class="nump">117,400<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeAssetsCurrent', window );">Derivative assets, current</a></td>
<td class="nump">4,373<span></span>
</td>
<td class="nump">1,848<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxesReceivable', window );">Income tax receivable, net</a></td>
<td class="nump">18,017<span></span>
</td>
<td class="nump">19,446<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsCurrent', window );">Regulatory assets, current</a></td>
<td class="nump">270,290<span></span>
</td>
<td class="nump">51,676<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetsCurrent', window );">Other current assets</a></td>
<td class="nump">29,012<span></span>
</td>
<td class="nump">26,221<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrent', window );">Total current assets</a></td>
<td class="nump">808,133<span></span>
</td>
<td class="nump">493,291<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="nump">7,856,573<span></span>
</td>
<td class="nump">7,305,530<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment', window );">Less accumulated depreciation and depletion</a></td>
<td class="num">(1,407,397)<span></span>
</td>
<td class="num">(1,285,816)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNet', window );">Total property, plant and equipment, net</a></td>
<td class="nump">6,449,176<span></span>
</td>
<td class="nump">6,019,714<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetsNoncurrentAbstract', window );"><strong>Other assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Goodwill</a></td>
<td class="nump">1,299,454<span></span>
</td>
<td class="nump">1,299,454<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IntangibleAssetsNetExcludingGoodwill', window );">Intangible assets, net</a></td>
<td class="nump">10,770<span></span>
</td>
<td class="nump">11,944<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsNoncurrent', window );">Regulatory assets, non-current</a></td>
<td class="nump">526,309<span></span>
</td>
<td class="nump">226,582<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetsNoncurrent', window );">Other assets, non-current</a></td>
<td class="nump">38,054<span></span>
</td>
<td class="nump">37,801<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment', window );">Total other assets, non-current</a></td>
<td class="nump">1,874,587<span></span>
</td>
<td class="nump">1,575,781<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">TOTAL ASSETS</a></td>
<td class="nump">9,131,896<span></span>
</td>
<td class="nump">8,088,786<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrentAbstract', window );"><strong>Current liabilities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsPayableCurrent', window );">Accounts payable</a></td>
<td class="nump">217,761<span></span>
</td>
<td class="nump">183,340<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedLiabilitiesCurrent', window );">Accrued liabilities</a></td>
<td class="nump">244,759<span></span>
</td>
<td class="nump">243,612<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLiabilitiesCurrent', window );">Derivative liabilities, current</a></td>
<td class="nump">1,439<span></span>
</td>
<td class="nump">2,044<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityCurrent', window );">Regulatory liabilities, current</a></td>
<td class="nump">17,574<span></span>
</td>
<td class="nump">25,061<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermBorrowings', window );">Notes payable</a></td>
<td class="nump">420,180<span></span>
</td>
<td class="nump">234,040<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtCurrent', window );">Current maturities of long-term debt</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">8,436<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrent', window );">Total current liabilities</a></td>
<td class="nump">901,713<span></span>
</td>
<td class="nump">696,533<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtNoncurrent', window );">Long-term debt, net of current maturities</a></td>
<td class="nump">4,126,923<span></span>
</td>
<td class="nump">3,528,100<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesNoncurrentAbstract', window );"><strong>Deferred credits and other liabilities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxLiabilitiesNet', window );">Deferred income tax liabilities, net</a></td>
<td class="nump">465,388<span></span>
</td>
<td class="nump">408,624<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityNoncurrent', window );">Regulatory liabilities, non-current</a></td>
<td class="nump">485,377<span></span>
</td>
<td class="nump">507,659<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent', window );">Benefit plan liabilities</a></td>
<td class="nump">123,925<span></span>
</td>
<td class="nump">150,556<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherLiabilitiesNoncurrent', window );">Other deferred credits and other liabilities</a></td>
<td class="nump">141,447<span></span>
</td>
<td class="nump">134,667<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent', window );">Total deferred credits and other liabilities</a></td>
<td class="nump">1,216,137<span></span>
</td>
<td class="nump">1,201,506<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommitmentsAndContingencies', window );">Commitments, contingencies and guarantees (Note 3)</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract', window );"><strong>Stockholders&#8217; equity -</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockValue', window );">Common stock $1.00 par value; 100,000,000 shares authorized; issued: 64,793,095 and 62,827,179, respectively</a></td>
<td class="nump">64,793<span></span>
</td>
<td class="nump">62,827<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdditionalPaidInCapital', window );">Additional paid-in capital</a></td>
<td class="nump">1,783,436<span></span>
</td>
<td class="nump">1,657,285<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetainedEarningsAccumulatedDeficit', window );">Retained earnings</a></td>
<td class="nump">962,458<span></span>
</td>
<td class="nump">870,738<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TreasuryStockValue', window );">Treasury stock at cost - 54,078 and 32,492, respectively</a></td>
<td class="num">(3,509)<span></span>
</td>
<td class="num">(2,119)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax', window );">Accumulated other comprehensive income (loss)</a></td>
<td class="num">(20,084)<span></span>
</td>
<td class="num">(27,346)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Total stockholders&#8217; equity</a></td>
<td class="nump">2,787,094<span></span>
</td>
<td class="nump">2,561,385<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NoncontrollingInterestInVariableInterestEntity', window );">Non-controlling interest</a></td>
<td class="nump">100,029<span></span>
</td>
<td class="nump">101,262<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Total equity</a></td>
<td class="nump">2,887,123<span></span>
</td>
<td class="nump">2,662,647<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesAndStockholdersEquity', window );">TOTAL LIABILITIES AND TOTAL EQUITY</a></td>
<td class="nump">$ 9,131,896<span></span>
</td>
<td class="nump">$ 8,088,786<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsReceivableNetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=124259787&amp;loc=d3e4428-111522<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6676-107765<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124259787&amp;loc=d3e4531-111522<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsReceivableNetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccruedLiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccruedLiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.14)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e637-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(23)(a)(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14A<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669686-108580<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 40<br> -Section 65<br> -Paragraph 2<br> -Subparagraph (h)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=124501264&amp;loc=SL117420844-207641<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 40<br> -Section 65<br> -Paragraph 2<br> -Subparagraph (g)(2)(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=124501264&amp;loc=SL117420844-207641<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e681-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdditionalPaidInCapital">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder. Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 65<br> -Paragraph 15<br> -Subparagraph (g)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=121322162&amp;loc=SL121327923-165333<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdditionalPaidInCapital</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Assets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iii)(A))<br> -URI 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-Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(iii)(A))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(i))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 14: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(iii))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 15: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123596393&amp;loc=d3e14064-108612<br><br>Reference 16: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iii)(B))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 17: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (bb)<br> -URI http://asc.fasb.org/extlink&amp;oid=123419778&amp;loc=d3e5710-111685<br><br>Reference 18: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 19: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (a)<br> -URI 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23: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Assets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6801-107765<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 50<br> -Paragraph 7<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124433192&amp;loc=SL2890621-112765<br><br>Reference 4: 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-Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iii)(B))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 14: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 15: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 16: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsCurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets, excluding property, plant, and equipment and other property and investments, that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer. Alternate captions include Total Deferred Charges and Other Assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashAndCashEquivalentsAtCarryingValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3044-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6676-107765<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashAndCashEquivalentsAtCarryingValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommitmentsAndContingencies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.25)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03.(a),19)<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121557415&amp;loc=d3e14326-108349<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommitmentsAndContingencies</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxLiabilitiesNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123427490&amp;loc=d3e31931-109318<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123427490&amp;loc=d3e31917-109318<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxLiabilitiesNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeAssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=51824906&amp;loc=SL20225862-175312<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeAssetsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeLiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=51824906&amp;loc=SL20225862-175312<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeLiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Goodwill">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(10)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=120320667&amp;loc=SL49117168-202975<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=99380562&amp;loc=d3e13770-109266<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Goodwill</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxesReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03.5(c))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03.10)<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.3(a)(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxesReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IntangibleAssetsNetExcludingGoodwill">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph ((a)(1),(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6388964&amp;loc=d3e16212-109274<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IntangibleAssetsNetExcludingGoodwill</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6676-107765<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesAndStockholdersEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(32))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123596393&amp;loc=d3e14064-108612<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesAndStockholdersEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 50<br> -Paragraph 7<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124433192&amp;loc=SL2890621-112765<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iii)(A))<br> -URI 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-Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123596393&amp;loc=d3e14064-108612<br><br>Reference 20: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.21)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesCurrentAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesNoncurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesNoncurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregated carrying amounts of obligations as of the balance sheet date, excluding long-term debt, incurred as part of the normal operations that are expected to be paid after one year or beyond the normal operating cycle, if longer. Alternate captions include Total Deferred Credits and Other Liabilities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesOtherThanLongtermDebtNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19,20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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</tr>
<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NoncontrollingInterestInVariableInterestEntity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Portion of equity (net assets) in a variable interest entity (VIE) not attributable, directly or indirectly, to the parent entity. That is, this is the portion of equity in a VIE that is attributable to the noncontrolling interest (previously referred to as minority interest).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NoncontrollingInterestInVariableInterestEntity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherAssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.8)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherAssetsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherAssetsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of noncurrent assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherAssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherAssetsNoncurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherAssetsNoncurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherLiabilitiesNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.24)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherLiabilitiesNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123453770&amp;loc=d3e1703-114919<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=123453770&amp;loc=d3e1731-114919<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4179-114921<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(24))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.13)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(14))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 360<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=124429447&amp;loc=SL124453093-239630<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 6: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are expected to be recovered through revenue sources within one year or the normal operating cycle, if longer. Such costs are capitalized if they meet both of the following criteria: a. It is probable that future revenue in an amount at least equal to the capitalized cost will result from inclusion of that cost in allowable costs for rate-making purposes. b. Based on available evidence, the future revenue will be provided to permit recovery of the previously incurred cost rather than to provide for expected levels of similar future costs. If the revenue will be provided through an automatic rate-adjustment clause, this criterion requires that the regulator's intent clearly be to permit recovery of the previously incurred cost.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory current liability as itemized in a table of regulatory current liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 405<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6500807&amp;loc=d3e48068-110394<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory noncurrent liability as itemized in a table of regulatory noncurrent liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.24)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RestrictedCashAndInvestmentsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The current cash, cash equivalents and investments that are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. Includes current cash equivalents and investments that are similarly restricted as to withdrawal, usage or disposal.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 954<br> -SubTopic 210<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=120413173&amp;loc=SL6242262-115580<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 954<br> -SubTopic 210<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=120413209&amp;loc=SL6242269-115581<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RestrictedCashAndInvestmentsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetainedEarningsAccumulatedDeficit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cumulative amount of the reporting entity's undistributed earnings or deficit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 65<br> -Paragraph 15<br> -Subparagraph (g)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=121322162&amp;loc=SL121327923-165333<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(23)(a)(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 40<br> -Section 65<br> -Paragraph 2<br> -Subparagraph (h)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=124501264&amp;loc=SL117420844-207641<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 40<br> -Section 65<br> -Paragraph 2<br> -Subparagraph (g)(2)(i)<br> -URI http://asc.fasb.org/extlink&amp;oid=124501264&amp;loc=SL117420844-207641<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetainedEarningsAccumulatedDeficit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShortTermBorrowings">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(19)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16)(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShortTermBorrowings</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB Topic 4.E)<br> -URI http://asc.fasb.org/extlink&amp;oid=122038336&amp;loc=d3e74512-122707<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(31))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123596393&amp;loc=d3e14064-108612<br><br>Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=124436220&amp;loc=d3e21930-107793<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 45<br> -Paragraph 23<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124436220&amp;loc=d3e21914-107793<br><br>Reference 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http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=123454820&amp;loc=SL4568447-111683<br><br>Reference 25: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 65<br> -Paragraph 15<br> -Subparagraph (f)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=121322162&amp;loc=SL121327923-165333<br><br>Reference 26: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22499-107794<br><br>Reference 27: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 65<br> -Paragraph 15<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=121322162&amp;loc=SL121327923-165333<br><br>Reference 28: http://www.xbrl.org/2003/role/disclosureRef<br> -Topic 848<br> -SubTopic 10<br> -Name Accounting Standards Codification<br> -Section 65<br> -Paragraph 2<br> -Publisher FASB<br> -Subparagraph (a)(3)(iii)(03)<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TreasuryStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 30<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=6405834&amp;loc=d3e23315-112656<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.29,30)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6405813&amp;loc=d3e23239-112655<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TreasuryStockValue</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333934073528">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Consolidated Balance Sheets (Parentheticals) - $ / shares<br></strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementOfFinancialPositionAbstract', window );"><strong>Statement of Financial Position [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockParOrStatedValuePerShare', window );">Common stock, par value (usd per share)</a></td>
<td class="nump">$ 1.00<span></span>
</td>
<td class="nump">$ 1.00<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesAuthorized', window );">Common stock, shares authorized</a></td>
<td class="nump">100,000,000<span></span>
</td>
<td class="nump">100,000,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Common stock, shares, issued</a></td>
<td class="nump">64,793,095<span></span>
</td>
<td class="nump">62,827,179<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TreasuryStockShares', window );">Treasury stock, shares</a></td>
<td class="nump">54,078<span></span>
</td>
<td class="nump">32,492<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockParOrStatedValuePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face amount or stated value per share of common stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockParOrStatedValuePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The maximum number of common shares permitted to be issued by an entity's charter and bylaws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesIssued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementOfFinancialPositionAbstract</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TreasuryStockShares">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.29,30)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6405813&amp;loc=d3e23239-112655<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TreasuryStockShares</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
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<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333931128952">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Cash Flows - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract', window );"><strong>Operating activities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income</a></td>
<td class="nump">$ 251,260<span></span>
</td>
<td class="nump">$ 242,763<span></span>
</td>
<td class="nump">$ 213,322<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract', window );"><strong>Adjustments to reconcile net income to net cash provided by (used in) operating activities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation, depletion and amortization</a></td>
<td class="nump">235,953<span></span>
</td>
<td class="nump">224,457<span></span>
</td>
<td class="nump">209,120<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AmortizationOfFinancingCostsAndDiscounts', window );">Deferred financing cost amortization</a></td>
<td class="nump">6,968<span></span>
</td>
<td class="nump">7,883<span></span>
</td>
<td class="nump">7,838<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetImpairmentCharges', window );">Impairment of investment</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">6,859<span></span>
</td>
<td class="nump">19,741<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensation', window );">Stock compensation</a></td>
<td class="nump">9,655<span></span>
</td>
<td class="nump">5,373<span></span>
</td>
<td class="nump">12,095<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxExpenseBenefit', window );">Deferred income taxes</a></td>
<td class="nump">7,261<span></span>
</td>
<td class="nump">38,091<span></span>
</td>
<td class="nump">38,020<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementBenefitExpense', window );">Employee benefit plans</a></td>
<td class="nump">9,590<span></span>
</td>
<td class="nump">11,997<span></span>
</td>
<td class="nump">12,406<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherNoncashIncomeExpense', window );">Other adjustments, net</a></td>
<td class="nump">7,018<span></span>
</td>
<td class="nump">11,669<span></span>
</td>
<td class="nump">16,485<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract', window );"><strong>Change in certain operating assets and liabilities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInInventories', window );">Materials, supplies and fuel</a></td>
<td class="num">(35,707)<span></span>
</td>
<td class="nump">2,755<span></span>
</td>
<td class="nump">2,052<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets', window );">Accounts receivable and other current assets</a></td>
<td class="num">(43,170)<span></span>
</td>
<td class="num">(10,843)<span></span>
</td>
<td class="nump">7,578<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities', window );">Accounts payable and other current liabilities</a></td>
<td class="nump">10,660<span></span>
</td>
<td class="nump">24,659<span></span>
</td>
<td class="num">(34,906)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOtherRegulatoryAssets', window );">Regulatory assets</a></td>
<td class="num">(514,687)<span></span>
</td>
<td class="num">(5,047)<span></span>
</td>
<td class="nump">23,619<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInRegulatoryLiabilities', window );">Regulatory liabilities</a></td>
<td class="num">(9,533)<span></span>
</td>
<td class="num">(10,706)<span></span>
</td>
<td class="num">(15,158)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionContributions', window );">Contributions to defined benefit pension plans</a></td>
<td class="nump">0<span></span>
</td>
<td class="num">(12,700)<span></span>
</td>
<td class="num">(12,700)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet', window );">Other operating activities, net</a></td>
<td class="nump">167<span></span>
</td>
<td class="nump">4,653<span></span>
</td>
<td class="nump">6,001<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivities', window );">Net cash provided by (used in) operating activities</a></td>
<td class="num">(64,565)<span></span>
</td>
<td class="nump">541,863<span></span>
</td>
<td class="nump">505,513<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract', window );"><strong>Investing activities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment', window );">Property, plant and equipment additions</a></td>
<td class="num">(677,492)<span></span>
</td>
<td class="num">(767,404)<span></span>
</td>
<td class="num">(818,376)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsForProceedsFromOtherInvestingActivities', window );">Other investing activities</a></td>
<td class="nump">13,262<span></span>
</td>
<td class="nump">5,740<span></span>
</td>
<td class="nump">2,166<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivities', window );">Net cash (used in) investing activities</a></td>
<td class="num">(664,230)<span></span>
</td>
<td class="num">(761,664)<span></span>
</td>
<td class="num">(816,210)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract', window );"><strong>Financing activities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsOfDividends', window );">Dividends paid on common stock</a></td>
<td class="num">(145,023)<span></span>
</td>
<td class="num">(135,439)<span></span>
</td>
<td class="num">(124,647)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfCommonStock', window );">Common stock issued</a></td>
<td class="nump">118,979<span></span>
</td>
<td class="nump">99,278<span></span>
</td>
<td class="nump">101,358<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromOtherShortTermDebt', window );">Term Loan - borrowings</a></td>
<td class="nump">800,000<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RepaymentsOfOtherShortTermDebt', window );">Term Loan - repayments</a></td>
<td class="num">(800,000)<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram', window );">Net borrowings (payments) of Revolving Credit Facility and CP Program</a></td>
<td class="nump">186,140<span></span>
</td>
<td class="num">(115,460)<span></span>
</td>
<td class="nump">163,880<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfLongTermDebt', window );">Long-term debt - issuance</a></td>
<td class="nump">600,000<span></span>
</td>
<td class="nump">400,000<span></span>
</td>
<td class="nump">1,100,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RepaymentsOfLongTermDebt', window );">Long-term debt - repayments</a></td>
<td class="num">(8,436)<span></span>
</td>
<td class="num">(8,597)<span></span>
</td>
<td class="num">(905,743)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToMinorityShareholders', window );">Distributions to non-controlling interests</a></td>
<td class="num">(15,749)<span></span>
</td>
<td class="num">(15,839)<span></span>
</td>
<td class="num">(17,901)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities', window );">Other financing activities</a></td>
<td class="num">(4,045)<span></span>
</td>
<td class="num">(7,061)<span></span>
</td>
<td class="num">(16,737)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivities', window );">Net cash provided by financing activities</a></td>
<td class="nump">731,866<span></span>
</td>
<td class="nump">216,882<span></span>
</td>
<td class="nump">300,210<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect', window );">Net change in cash, restricted cash and cash equivalents</a></td>
<td class="nump">3,071<span></span>
</td>
<td class="num">(2,919)<span></span>
</td>
<td class="num">(10,487)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract', window );"><strong>Cash and cash equivalents:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents', window );">Cash, restricted cash and cash equivalents beginning of year</a></td>
<td class="nump">10,739<span></span>
</td>
<td class="nump">13,658<span></span>
</td>
<td class="nump">24,145<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents', window );">Cash, restricted cash and cash equivalents end of year</a></td>
<td class="nump">13,810<span></span>
</td>
<td class="nump">10,739<span></span>
</td>
<td class="nump">13,658<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SupplementalCashFlowInformationAbstract', window );"><strong>Supplemental cash flow information:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestPaidNet', window );">Interest (net of amounts capitalized)</a></td>
<td class="num">(142,685)<span></span>
</td>
<td class="num">(136,549)<span></span>
</td>
<td class="num">(131,774)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxesPaidNet', window );">Income taxes</a></td>
<td class="nump">1,521<span></span>
</td>
<td class="nump">2,172<span></span>
</td>
<td class="nump">4,682<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalExpendituresIncurredButNotYetPaid', window );">Accrued property, plant and equipment purchases at December 31</a></td>
<td class="nump">68,758<span></span>
</td>
<td class="nump">72,215<span></span>
</td>
<td class="nump">91,491<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NonCashRevisionToCapitalizedAssetRetirementCosts', window );">Increase in capitalized assets associated with asset retirement obligations</a></td>
<td class="nump">$ 2,109<span></span>
</td>
<td class="nump">$ 4,774<span></span>
</td>
<td class="nump">$ 5,044<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Net borrowings (payments) of Revolving Credit Facility and CP Program</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NonCashRevisionToCapitalizedAssetRetirementCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of non-cash revision to property, plant and equipment for capitalized asset retirement costs</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NonCashRevisionToCapitalizedAssetRetirementCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AmortizationOfFinancingCostsAndDiscounts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 55<br> -Paragraph 69E<br> -URI http://asc.fasb.org/extlink&amp;oid=123466577&amp;loc=SL123495743-112612<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124435984&amp;loc=d3e28555-108399<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1F<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495355-112611<br><br>Reference 5: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 55<br> -Paragraph 69F<br> -URI http://asc.fasb.org/extlink&amp;oid=123466577&amp;loc=SL123495745-112612<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AmortizationOfFinancingCostsAndDiscounts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CapitalExpendituresIncurredButNotYetPaid">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Future cash outflow to pay for purchases of fixed assets that have occurred.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=d3e4332-108586<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=d3e4313-108586<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=d3e4304-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CapitalExpendituresIncurredButNotYetPaid</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashAndCashEquivalentsPeriodIncreaseDecreaseAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3521-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3044-108585<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=SL98516268-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 230<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123444420&amp;loc=d3e33268-110906<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.Fact.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(1)(Note 1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.Fact.2)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DepreciationDepletionAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DepreciationDepletionAndAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxesPaidNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=d3e4297-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxesPaidNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in receivables, and operating assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInInventories">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInInventories</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOperatingCapitalAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in other obligations or expenses incurred but not yet paid.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in operating assets after deduction of operating liabilities classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInOtherRegulatoryAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in the value of other assets that are created when regulatory agencies permits public utilities to defer costs to the balance sheet.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOtherRegulatoryAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInRegulatoryLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in regulated liabilities. Regulated liabilities are created when regulatory agency permits an entity to defer revenues to the balance sheet.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInRegulatoryLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestPaidNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=d3e4297-108586<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 17<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3367-108585<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3536-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestPaidNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInFinancingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInFinancingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInInvestingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInInvestingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInOperatingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3536-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3521-108585<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInOperatingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherAssetImpairmentCharges">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109226691&amp;loc=d3e2921-110230<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherAssetImpairmentCharges</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherNoncashIncomeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (expense) included in net income that results in no cash inflow (outflow), classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherNoncashIncomeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsForProceedsFromOtherInvestingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash (inflow) outflow from investing activities classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3213-108585<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3179-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsForProceedsFromOtherInvestingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsOfDividends">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsOfDividends</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 13<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3213-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsToAcquirePropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsToMinorityShareholders">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsToMinorityShareholders</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PensionAndOtherPostretirementBenefitExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cost (reversal of cost) for pension and other postretirement benefits.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PensionAndOtherPostretirementBenefitExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PensionContributions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3536-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PensionContributions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromIssuanceOfCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from the additional capital contribution to the entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromIssuanceOfCommonStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromIssuanceOfLongTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromIssuanceOfLongTermDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromOtherShortTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow from short-term debt classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromOtherShortTermDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from financing activities classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3255-108585<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromPaymentsForOtherFinancingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProfitLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669619-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(1)<br> -URI 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow for the payment of debt classified as other, maturing within one year or the operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of noncash expense for share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936655016">
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<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Consolidated Statements of Equity - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Total</div></th>
<th class="th"><div>Cumulative Effect, Period of Adoption, Adjustment</div></th>
<th class="th"><div>Common Stock</div></th>
<th class="th"><div>Treasury Stock</div></th>
<th class="th"><div>Additional Paid-in Capital</div></th>
<th class="th"><div>Retained Earnings</div></th>
<th class="th">
<div>Retained Earnings </div>
<div>Cumulative Effect, Period of Adoption, Adjustment</div>
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<th class="th"><div>Accumulated Other Comprehensive Income (Loss)</div></th>
<th class="th"><div>Noncontrolling Interest</div></th>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">60,048,567<span></span>
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<td class="nump">44,253<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="rc">
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<td class="nump">$ 2,287,423<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 60,049<span></span>
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<td class="num">$ (2,510)<span></span>
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<td class="nump">$ 1,450,569<span></span>
</td>
<td class="nump">$ 700,396<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="num">$ (26,916)<span></span>
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<td class="nump">$ 105,835<span></span>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward', window );"><strong>Increase (Decrease) in Stockholders' Equity [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
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<td class="nump">213,322<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">199,310<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">14,012<span></span>
</td>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Other comprehensive (loss), net of tax</a></td>
<td class="num">(3,739)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(3,739)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsCommonStockCash', window );">Dividends on common stock</a></td>
<td class="num">(124,647)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(124,647)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation', window );">Share-based compensation (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">103,759<span></span>
</td>
<td class="num">(40,297)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation', window );">Share-based compensation</a></td>
<td class="nump">7,076<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 104<span></span>
</td>
<td class="nump">$ 2,243<span></span>
</td>
<td class="nump">4,729<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues', window );">Issuance of common stock (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,328,332<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueNewIssues', window );">Issuance of common stock</a></td>
<td class="nump">100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,328<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">98,672<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts', window );">Issuance costs</a></td>
<td class="num">(1,182)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(1,182)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityOther', window );">Other</a></td>
<td class="nump">327<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">327<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders', window );">Distributions to non-controlling interest</a></td>
<td class="num">(17,901)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(17,901)<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Ending balance (in shares) at Dec. 31, 2019</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">61,480,658<span></span>
</td>
<td class="nump">3,956<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Ending balance at Dec. 31, 2019</a></td>
<td class="nump">2,464,069<span></span>
</td>
<td class="nump">$ 3,390<span></span>
</td>
<td class="nump">$ 61,481<span></span>
</td>
<td class="num">$ (267)<span></span>
</td>
<td class="nump">1,552,788<span></span>
</td>
<td class="nump">778,776<span></span>
</td>
<td class="nump">$ 3,390<span></span>
</td>
<td class="num">(30,655)<span></span>
</td>
<td class="nump">101,946<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward', window );"><strong>Increase (Decrease) in Stockholders' Equity [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income</a></td>
<td class="nump">242,763<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">227,608<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">15,155<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Other comprehensive (loss), net of tax</a></td>
<td class="nump">3,309<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,309<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsCommonStockCash', window );">Dividends on common stock</a></td>
<td class="num">(135,439)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(135,439)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation', window );">Share-based compensation (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">123,578<span></span>
</td>
<td class="nump">28,536<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation', window );">Share-based compensation</a></td>
<td class="nump">5,194<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 123<span></span>
</td>
<td class="num">$ (1,852)<span></span>
</td>
<td class="nump">6,923<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues', window );">Issuance of common stock (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,222,943<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueNewIssues', window );">Issuance of common stock</a></td>
<td class="nump">100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,223<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">98,777<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts', window );">Issuance costs</a></td>
<td class="num">(1,203)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(1,203)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders', window );">Distributions to non-controlling interest</a></td>
<td class="num">(15,839)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(15,839)<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Ending balance (in shares) at Dec. 31, 2020</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">62,827,179<span></span>
</td>
<td class="nump">32,492<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Ending balance at Dec. 31, 2020</a></td>
<td class="nump">2,662,647<span></span>
</td>
<td class="num">$ (207)<span></span>
</td>
<td class="nump">$ 62,827<span></span>
</td>
<td class="num">$ (2,119)<span></span>
</td>
<td class="nump">1,657,285<span></span>
</td>
<td class="nump">870,738<span></span>
</td>
<td class="num">$ (207)<span></span>
</td>
<td class="num">(27,346)<span></span>
</td>
<td class="nump">101,262<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward', window );"><strong>Increase (Decrease) in Stockholders' Equity [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income</a></td>
<td class="nump">251,260<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">236,744<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">14,516<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Other comprehensive (loss), net of tax</a></td>
<td class="nump">7,262<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,262<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsCommonStockCash', window );">Dividends on common stock</a></td>
<td class="num">(145,023)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(145,023)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation', window );">Share-based compensation (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">153,719<span></span>
</td>
<td class="nump">21,586<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation', window );">Share-based compensation</a></td>
<td class="nump">8,020<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 154<span></span>
</td>
<td class="num">$ (1,390)<span></span>
</td>
<td class="nump">9,256<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues', window );">Issuance of common stock (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,812,197<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueNewIssues', window );">Issuance of common stock</a></td>
<td class="nump">119,924<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,812<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">118,112<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts', window );">Issuance costs</a></td>
<td class="num">(1,217)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(1,217)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityOther', window );">Other</a></td>
<td class="num">(1)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(1)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders', window );">Distributions to non-controlling interest</a></td>
<td class="num">(15,749)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(15,749)<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Ending balance (in shares) at Dec. 31, 2021</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">64,793,095<span></span>
</td>
<td class="nump">54,078<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Ending balance at Dec. 31, 2021</a></td>
<td class="nump">$ 2,887,123<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 64,793<span></span>
</td>
<td class="num">$ (3,509)<span></span>
</td>
<td class="nump">$ 1,783,436<span></span>
</td>
<td class="nump">$ 962,458<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (20,084)<span></span>
</td>
<td class="nump">$ 100,029<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21463-112644<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21463-112644<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsCommonStockCash">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsCommonStockCash</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInStockholdersEquityRollForward</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax and reclassification adjustments of other comprehensive income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669619-108580<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=124431353&amp;loc=SL124442407-227067<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21463-112644<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 45<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=118261656&amp;loc=d3e32136-110900<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=124507222&amp;loc=d3e1436-108581<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 45<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=118261656&amp;loc=d3e32211-110900<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6450520&amp;loc=d3e32583-110901<br><br>Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=124431353&amp;loc=SL124442411-227067<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669625-108580<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProfitLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669619-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(1)<br> -URI 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of new stock issued during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21463-112644<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodSharesNewIssues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21463-112644<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodValueNewIssues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21463-112644<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodValueNewIssues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<th class="th"><div>Dec. 31, 2021</div></th>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate dividends paid during the period for each share of common stock outstanding.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140334044234504">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business Description And Significant Accounting Policies:<br></strong></div></th>
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<td class="text">BUSINESS DESCRIPTION AND SIGNIFICANT ACCOUNTING POLICIES<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Business Description</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Black Hills Corporation is a customer-focused, growth-oriented utility company headquartered in Rapid City, South Dakota. We are a holding company that, through our subsidiaries, conducts our operations through the following reportable segments:  Electric Utilities and Gas Utilities.  Certain unallocated corporate expenses that support our operating segments are presented as Corporate and Other.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Segment Reporting</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our reportable segments are based on our method of internal reporting, which is generally segregated by differences in products and services. All of our operations and assets are located within the United States.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Electric Utilities segment includes the operating results of the regulated electric utility operations of Colorado Electric, South Dakota Electric, and Wyoming Electric, which supply regulated electric utility services to areas in Colorado, Montana, South Dakota and Wyoming.  We also own and operate non-regulated power generation and mining businesses that are vertically integrated with our Electric Utilities.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In the fourth quarter of 2021, we integrated our power generation and mining businesses within the Electric Utilities segment. The alignment is consistent with the current way our CODM evaluates the performance of the business and makes decisions related to the allocation of resources. Comparative periods presented reflect this change.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Gas Utilities segment consists of the operating results of our regulated natural gas utility subsidiaries in Arkansas, Colorado, Iowa, Kansas, Nebraska and Wyoming.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">For further information regarding our segment reporting, see </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_223" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 16</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Use of Estimates and Basis of Presentation</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of certain assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Changes in facts and circumstances or additional information may result in revised estimates and actual results could differ materially from those estimates.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">COVID-19 Pandemic</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In March 2020, the World Health Organization categorized COVID-19 as a pandemic and the President of the United States declared the outbreak a national emergency. The U.S. government has deemed electric and natural gas utilities to be critical infrastructure sectors that provide essential services during this emergency. As a provider of essential services, the Company has an obligation to provide services to our customers. The Company remains focused on protecting the health of our customers, employees and the communities in which we operate while assuring the continuity of our business operations.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Company&#8217;s Consolidated Financial Statements reflect estimates and assumptions made by management that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the Consolidated Financial Statements and reported amounts of revenue and expenses during the reporting periods presented. The Company considered the impacts of COVID-19 on the assumptions and estimates used and determined that, for the years ended December 31, 2021 and 2020, there were no material adverse impacts on the Company&#8217;s results of operations.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Principles of Consolidation</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The consolidated financial statements include the accounts of Black Hills Corporation and its wholly-owned and majority-owned and controlled subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. For additional information on intercompany revenues, see </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_223" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 16</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Consolidated Statements of Income include operating activity of acquired companies beginning with their acquisition date.  We use the proportionate consolidation method to account for our ownership interest in any jointly-owned electric utility generation facility, wind farm or transmission tie. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_187" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 6</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for additional information.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Variable Interest Entities</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We evaluate arrangements and contracts with other entities to determine if they are VIEs and if we are the primary beneficiary.  GAAP provides a framework for identifying VIEs and determining when a company should include the assets, liabilities, non-controlling interest and results of activities of a VIE in its consolidated financial statements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A VIE should be consolidated if a party with an ownership, contractual or other financial interest in the VIE (a variable interest holder) has the power to direct the VIE&#8217;s most significant activities and the obligation to absorb losses or right to receive benefits of the VIE that could be significant to the VIE. A variable interest holder that consolidates the VIE is called the primary beneficiary. Upon consolidation, the primary beneficiary generally must initially record all of the VIE&#8217;s assets, liabilities and non-controlling interests at fair value and subsequently account for the VIE as if it were consolidated.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our evaluation of whether our interest qualifies as the primary beneficiary of a VIE involves significant judgments, estimates and assumptions and includes a qualitative analysis of the activities that most significantly impact the VIE&#8217;s economic performance and whether the Company has the power to direct those activities, the design of the entity, the rights of the parties and the purpose of the arrangement. Black Hills Colorado IPP is a VIE. See additional information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_211" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 12</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Cash, Cash Equivalents and Restricted Cash</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We consider all highly liquid investments with an original maturity of three months or less to be cash and cash equivalents. We maintain cash accounts for various specified purposes, which are classified as restricted cash.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Revenue Recognition</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our revenue contracts generally provide for performance obligations that are fulfilled and transfer control to customers over time, represent a series of distinct services that are substantially the same, involve the same pattern of transfer to the customer and provide a right to consideration from our customers in an amount that corresponds directly with the value to the customer for the performance completed to date. Therefore, we recognize revenue in the amount to which we have a right to invoice. Our primary types of revenue contracts are:</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline">Regulated natural gas and electric utility services tariffs</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Our Utilities have regulated operations, as defined by ASC 980, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Regulated Operations, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">that provide services to regulated customers under tariff rates, charges, terms and conditions of service and prices determined by the jurisdictional regulators designated for our service territories. Our regulated services primarily encompass single performance obligations for delivery of either commodity natural gas, commodity electricity, natural gas transportation or electric transmission services. These service revenues are variable based on quantities delivered, influenced by seasonal business and weather patterns. Tariffs are only permitted to be changed through a rate-setting process involving the state or federal regulatory commissions to establish contractual rates between the utility and its customers. All of our Utilities&#8217; regulated sales are subject to regulatory-approved tariffs.</span></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline">Power sales agreements</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Our Electric Utilities segment has long-term wholesale power sales agreements with other load-serving entities, including affiliates, for the sale of excess power from owned generating units. These agreements include a combination of &#8220;take or pay&#8221; arrangements, where the customer is obligated to pay for the energy regardless of whether it actually takes delivery, as well as &#8220;requirements only&#8221; arrangements, where the customer is only obligated to pay for the energy the customer needs. In addition to these long-term contracts, we also sell excess energy to other load-serving entities on a short-term basis. The pricing for all of these arrangements is included in the executed contracts or confirmations, reflecting the standalone selling price and is variable based on energy delivered. Certain energy sale and purchase transactions with the same counterparty and at the same delivery point are netted to reflect the economic substance of the arrangement.</span></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline">Coal supply agreements</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Our WRDC mine sells coal primarily under long-term contracts to affiliates for use at their generation facilities. The contracts include a single promise to supply coal necessary to fuel the customers&#8217; facilities during the contract term. The transaction price is established in the supply agreements, including cost-based agreements with the affiliated regulated utilities, and is variable based on tons delivered.</span></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline">Other non-regulated services</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Our Utilities segments also provide non-regulated services primarily comprised of appliance repair service and protection plans, electric and natural gas technical infrastructure construction and maintenance services, and in Nebraska and Wyoming, an unbundled natural gas commodity offering under the regulatory-approved Choice Gas Program. Revenue contracts for these services generally represent a single performance obligation with the price reflecting the standalone selling price stated in the agreement and a variable revenue based on the units delivered or services provided.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The majority of our revenue contracts are based on variable quantities delivered. Any fixed consideration contracts with an expected duration of one year or more are immaterial to our consolidated revenues. Variable consideration constraints in the form of discounts, rebates, credits, price concessions, incentives, performance bonuses, penalties or other similar items are not material for our revenue contracts. We are the principal in our revenue contracts, as we have control over the services prior to those services being transferred to the customer.</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Revenue Not in Scope of ASC 606</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Other revenues included in the tables in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_181" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 4</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> include our revenue accounted for under separate accounting guidance, including lease revenue under ASC 842, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Leases, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">derivative revenue under ASC 815, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Derivatives and Hedging,</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> and alternative revenue programs revenue under ASC 980, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Regulated Operations</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Significant Judgments and Estimates</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Unbilled Revenue</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">To the extent that deliveries have occurred but a bill has not been issued, our Utilities accrue an estimate of the revenue since the latest billing. This estimate is calculated based upon several factors including billings through the last billing cycle in a month and prices in effect in our jurisdictions. Each month, the estimated unbilled revenue amounts are trued-up and recorded in Accounts receivable, net on the accompanying Consolidated Balance Sheets.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Contract Balances</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The nature of our primary revenue contracts provides an unconditional right to consideration upon service delivery; therefore, no customer contract assets or liabilities exist. The unconditional right to consideration is represented by the balance in our Accounts receivable, which is further discussed below.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Additional information is included in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_181" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 4</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Accounts Receivable and Allowance for Credit Losses</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Accounts receivable for our Electric and Gas Utilities business segments primarily consists of sales to residential, commercial, industrial, transportation and other customers, all of which do not bear interest. These accounts receivable are stated at billed and estimated unbilled amounts, net of allowance for credit losses. Accounts receivable for our power generation and mining businesses consists of amounts due from sales of electric energy and capacity and coal primarily to affiliates or regional utilities.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We maintain an allowance for credit losses which reflects our estimate of uncollectible trade receivables. We regularly review our trade receivable allowance by considering such factors as historical experience, credit worthiness, the age of the receivable balances and current economic conditions that may affect collectability.</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In specific cases where we are aware of a customer&#8217;s inability or reluctance to pay, we record an allowance for credit losses to reduce the net receivable balance to the amount we reasonably expect to collect. However, if circumstances change, our estimate of the recoverability of accounts receivable could be affected. Circumstances which could affect our estimates include, but are not limited to, customer credit issues, expected losses, the level of commodity prices, customer deposits and general economic conditions. Accounts are written off once they are deemed to be uncollectible or the time allowed for dispute under the contract has expired.</span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We utilize master netting agreements which consist of an agreement between two parties who have multiple contracts with each other that provide for the net settlement of all contracts in the event of default on or termination of any one contract. When the right of offset exists, accounting standards permit the netting of receivables and payables under a legally enforceable master netting agreement between counterparties. Accounting standards also permit offsetting of fair value amounts recognized for the right to reclaim, or the obligation to return, cash collateral against fair value amounts recognized for derivative instruments executed with the same counterparty.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Following is a summary of accounts receivable as of December 31 (in thousands):</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:60.595%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.052%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.053%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Billed Accounts Receivable</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">181,027&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">146,899&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Unbilled Revenue</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">142,738&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">126,065&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less Allowance for Credit Losses</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,113)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(7,003)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accounts Receivable, net</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">321,652&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">265,961&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Changes to allowance for credit losses for the years ended December 31, were as follows (in thousands):</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:16.443%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.250%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:14.250%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:2.577%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.250%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.250%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.260%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance at Beginning of Year</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Additions Charged to Costs and Expenses</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Recoveries and Other Additions</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Write-offs and Other Deductions</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance at End of Year</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,003&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,444&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,560&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(10,894)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,113&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,444&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,927&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,728&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(9,096)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,003&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,209&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,795&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,942&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(10,502)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,444&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">_________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Due to the COVID-19 pandemic, all of our jurisdictions temporarily suspended disconnections due to non-payment for a period of time, which increased our accounts receivable arrears balances. As a result, we increased our allowance for credit losses and bad debt expense for the year ended December 31, 2020 by an incremental $3.3&#160;million. All jurisdiction disconnect moratoriums ended on or before May 3, 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Materials, Supplies and Fuel</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following amounts by major classification are included in Materials, supplies and fuel on the accompanying Consolidated Balance Sheets as of December 31 (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:60.595%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.052%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.053%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Materials and supplies</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">86,400&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">85,250&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,267&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,531&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas in storage </span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">63,312&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30,619&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total materials, supplies and fuel</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">150,979&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">117,400&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Materials and supplies represent parts and supplies for business segments. Fuel represents diesel oil and gas used by our Electric Utilities to produce power. Natural gas in storage primarily represents gas purchased for use by our gas customers.  All of our Materials, supplies and fuel are recorded using the weighted-average cost method and are valued at the lower-of-cost or net realizable value. The value of our natural gas in storage fluctuates with seasonal volume requirements of our business and the commodity price of natural gas.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Investments </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In February 2018, we made a contribution of $28 million of assets in exchange for equity securities in a privately held oil and gas company as we divested of our Oil and Gas segment. The carrying value of our investment in the equity securities was recorded at cost. We review this investment on a periodic basis to determine whether a significant event or change in circumstances has occurred that may have an adverse effect on the value of the investment.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">During the third quarter of 2019, we assessed our investment for impairment as a result of a deterioration in earnings performance of the privately held oil and gas company and an adverse change in future natural gas prices. Based on the estimated fair value of our investment, we concluded that the carrying value of the investment exceeded fair value.  As a result, we recorded a pre-tax impairment loss of $20 million for the three months ended September 30, 2019, which was the difference between the carrying amount and the fair value of the investment at that time.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">During the first quarter of 2020, we assessed our investment for impairment as a result of continued adverse changes in future natural gas prices and liquidity concerns at the privately held oil and gas company. Based on the estimated fair value of our investment, we concluded that the carrying value of the investment exceeded fair value. As a result, we recorded a pre-tax impairment loss of $6.9&#160;million for the three months ended March 31, 2020, which was the difference between the carrying value and the fair value of the investment at that time.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table presents the carrying value of our investments (in thousands), which are included in Other assets, non-current on the Consolidated Balance Sheets, as of December 31:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:60.595%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.052%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.053%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Investment in privately held oil and gas company</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,500&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,500&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cash surrender value of life insurance contracts</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12,365&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,628&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other investments</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,616&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">682&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total investments</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15,481&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15,810&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Property, Plant and Equipment</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Additions to property, plant and equipment are recorded at cost. Included in the cost of regulated construction projects is AFUDC, when applicable, which represents the approximate composite cost of borrowed funds and a return on equity used to finance a regulated utility project. The following table presents AFUDC amounts (in thousands) for the years ended December 31:</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:16.882%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:43.636%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.326%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.326%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.330%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income Statement Location</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">AFUDC Borrowed</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest expense incurred net of amounts capitalized (including amortization of debt issuance costs, premiums and discounts)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,068&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,617&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,556&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">AFUDC Equity</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other income (expense), net</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">593&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">318&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">472&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We also capitalize interest, when applicable, on undeveloped leasehold costs and certain non-regulated construction projects. In addition, asset retirement costs associated with tangible long-lived regulated utility assets are recognized as liabilities with an increase to the carrying amounts of the related long-lived regulated utility assets in the period incurred. The amounts capitalized are included in Property, plant and equipment on the accompanying Consolidated Balance Sheets. We also classify our Cushion Gas as property, plant and equipment.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The cost of regulated utility property, plant and equipment retired, or otherwise disposed in the ordinary course of business, less salvage plus retirement costs, is charged to accumulated depreciation. Estimated removal costs related to our regulated properties that do not have legal retirement obligations are reclassified from accumulated depreciation and reflected as regulatory liabilities. Retirement or disposal of all other assets result in gains or losses recognized as a component of operating income. Ordinary repairs and maintenance of property, except as allowed under rate regulations, are charged to operations as incurred.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Depreciation provisions for property, plant and equipment are generally computed on a straight-line basis based on the applicable estimated service life of the various classes of property. The composite depreciation method is applied to regulated utility property. Capitalized mining costs and coal leases are amortized on a unit-of-production method based on volumes produced and estimated reserves. For certain non-regulated power plant components, depreciation is computed on a unit-of-production methodology based on plant hours run.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_184" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 5</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for additional information.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Asset Retirement Obligations</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Accounting standards for AROs associated with long-lived assets require that the present value of retirement costs for which we have a legal obligation be recorded as liabilities with an equivalent amount added to the asset cost and depreciated over an appropriate period. The associated ARO accretion expense for our non-regulated operations is included within Depreciation, depletion and amortization on the accompanying Consolidated Statements of Income. The accounting for the obligation for regulated operations has no income statement impact due to the deferral of the adjustments through the establishment of a regulatory asset or a regulatory liability.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We initially record liabilities for the present value of retirement costs for which we have a legal obligation, with an equivalent amount added to the asset cost. The asset is then depreciated or depleted over the appropriate useful life and the liability is accreted over time by applying an interest method of allocation. Any difference in the actual cost of the settlement of the liability and the recorded amount is recognized as a gain or loss in the results of operations at the time of settlement for our non-regulated operations. Additional information is included in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_190" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 7</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Goodwill and Intangible Assets</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Goodwill and intangible assets with indefinite lives are not amortized, but the carrying values are reviewed upon an indicator of impairment or at least annually. Intangible assets with a finite life are amortized over their estimated useful lives.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We perform a goodwill impairment test on an annual basis or upon the occurrence of events or changes in circumstances that indicate that the asset might be impaired.&#160;Our annual goodwill impairment testing date is as of October 1, which aligns our  testing date with our financial planning process.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Company has determined that the reporting units for its goodwill impairment test are its operating segments, or components of an operating segment.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our goodwill impairment analysis includes an income approach and a market approach to estimate the fair value of our reporting units. This analysis requires the input of several critical assumptions, including future growth rates, cash flow projections, operating cost escalation rates, rates of return, a risk-adjusted discount rate, timing and level of success in regulatory rate proceedings, the cost of debt and equity capital, long-term earnings and merger multiples for comparable companies.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We believe that goodwill reflects the inherent value of the relatively stable, long-lived cash flows of our Utilities businesses, considering the regulatory environment, and the long-lived cash flow and rate base growth opportunities at our Utilities, and those businesses vertically integrated. Goodwill amounts have not changed since 2016. As of December 31, 2021 and 2020, Goodwill balances were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:41.005%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.198%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.198%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.199%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Goodwill</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">257,244&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,042,210&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,299,454&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our intangible assets represent contract intangibles, easements, rights-of-way, customer listings and trademarks. The finite-lived intangible assets are amortized using a straight-line method based on estimated useful lives; these assets are currently being amortized from 2 years to 40 years. Changes to intangible assets for the years ended December 31, were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:40.920%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.226%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.226%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.228%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Intangible assets, net, beginning balance</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11,944&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,266&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">14,337&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amortization expense </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,174)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,322)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,071)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Intangible assets, net, ending balance</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10,770&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11,944&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,266&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Amortization expense for existing intangible assets is expected to be $1.2 million for each year of the next five years.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Accrued Liabilities</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following amounts by major classification are included in Accrued liabilities on the accompanying Consolidated Balance Sheets as of December 31 (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:60.763%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:17.968%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:17.969%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accrued employee compensation, benefits and withholdings</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">74,387&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">77,806&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accrued property taxes</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">50,874&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">47,105&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Customer deposits and prepayments</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">48,814&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">52,185&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accrued interest</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">33,680&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">31,520&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other (none of which is individually significant)</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">37,004&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">34,996&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total accrued liabilities</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">244,759&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">243,612&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Fair Value Measurements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Financial Instruments</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We use the following fair value hierarchy for determining inputs for our financial instruments. Our assets and liabilities for financial instruments are classified and disclosed in one of the following fair value categories:</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Level 1</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> &#8212; Unadjusted quoted prices available in active markets that are accessible at the measurement date for identical unrestricted assets or liabilities. Level 1 instruments primarily consist of highly liquid and actively traded financial instruments with quoted pricing information on an ongoing basis.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Level 2</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> &#8212; Pricing inputs include quoted prices for identical or similar assets and liabilities in active markets other than quoted prices in Level 1, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability and inputs that are derived principally from or corroborated by observable market data by correlation or other means.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Level 3</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> &#8212; Pricing inputs are generally less observable from objective sources. These inputs reflect management&#8217;s best estimate of fair value using its own assumptions about the assumptions a market participant would use in pricing the asset or liability.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. Our assessment of the significance of a particular input to the fair value measurement requires judgment and may affect the placement within the fair value hierarchy levels. We record transfers, if necessary, between levels at the end of the reporting period for all of our financial instruments.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Transfers into Level 3, if any, occur when significant inputs used to value the derivative instruments become less observable, such as a significant decrease in the frequency and volume in which the instrument is traded, negatively impacting the availability of observable pricing inputs. Transfers out of Level 3, if any, occur when the significant inputs become more observable, such as when the time between the valuation date and the delivery date of a transaction becomes shorter, positively impacting the availability of observable pricing inputs.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Valuation Methodologies for Derivatives</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The wholesale electric energy and natural gas commodity contracts for our Utilities are valued using the market approach and include forward strip pricing at liquid delivery points, exchange-traded futures, options, basis swaps and over-the-counter swaps and options (Level 2).  For exchange-traded futures, options and basis swap assets and liabilities, fair value was derived using broker quotes validated by the exchange settlement pricing for the applicable contract. For over-the-counter instruments, the fair value is obtained by utilizing a nationally recognized service that obtains observable inputs to compute the fair value, which we validate by comparing our valuation with the counterparty. The fair value of these swaps includes a CVA based on the credit spreads of the counterparties when we are in an unrealized gain position or on our own credit spread when we are in an unrealized loss position.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Additional information on fair value measurements is included in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_205" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Notes 10</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> and </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_214" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">13</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Derivatives and Hedging Activities</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">All our derivatives are measured at fair value and recognized as either assets or liabilities on the Consolidated Balance Sheets, except for derivative contracts that qualify for and are elected under the normal purchase and normal sales exception. Normal purchases and normal sales are contracts where physical delivery is probable, quantities are expected to be used or sold in the normal course of business over a reasonable amount of time and pricing is clearly and closely related to the asset being purchased or sold.&#160;Normal purchase and sales contracts are recognized when the underlying physical transaction is completed under the accrual basis of accounting.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In addition, certain derivative contracts approved by regulatory authorities are either recovered or refunded through customer rates. Any changes in the fair value of these approved derivative contracts are deferred as a regulatory asset or regulatory liability pursuant to ASC 980, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Regulated Operations</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We also have some derivatives that qualify for hedge accounting and are designated as cash flow hedges. The gain or loss on these designated derivatives is deferred in AOCI and reclassified into earnings when the corresponding hedged transaction is recognized in earnings. Changes in the fair value of all other derivative contracts are recognized in earnings.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We utilize master netting agreements which consist of an agreement between two parties who have multiple contracts with each other that provide for the net settlement of all contracts in the event of default on or termination of any one contract. When the right of offset exists, accounting standards permit the netting of receivables and payables under a legally enforceable master netting agreement between counterparties. Accounting standards also permit offsetting of fair value amounts recognized for the right to reclaim, or the obligation to return, cash collateral against fair value amounts recognized for derivative instruments executed with the same counterparty. We reflect the offsetting of net derivative positions with fair value amounts for cash collateral with the same counterparty when a legal right of offset exists. Therefore, the gross amounts are not indicative of either our actual credit or net economic exposures.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See additional information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_202" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Notes 9</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_205" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">10</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> and </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_208" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">11</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Deferred Financing Costs</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Deferred financing costs include loan origination fees, underwriter fees, legal fees and other costs directly attributable to the issuance of debt. Deferred financing costs are amortized over the estimated useful life of the related debt. These costs are presented on the balance sheet as an adjustment to the related debt liabilities. See additional information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_196" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 8</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Regulatory Accounting</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our regulated Electric Utilities and Gas Utilities are subject to cost-of-service regulation and earnings oversight from federal and state regulatory commissions. Our Electric and Gas Utilities account for income and expense items in accordance with  accounting standards for regulated operations. These accounting policies differ in some respects from those used by our non-regulated businesses. Under these regulated operations accounting standards:</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Certain costs, which would otherwise be charged to expense or OCI, are deferred as regulatory assets based on the expected ability to recover the costs in future rates.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Certain credits, which would otherwise be reflected as income or OCI, are deferred as regulatory liabilities based on the expectation the amounts will be returned to customers in future rates, or because the amounts were collected in rates prior to the costs being incurred.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Management continually assesses the probability of future recoveries and obligations associated with regulatory assets and liabilities. Factors such as the current regulatory environment, recently issued rate orders, and historical precedents are considered. As a result, we believe that the accounting prescribed under rate-based regulation remains appropriate and our regulatory assets are probable of recovery in current rates or in future rate proceedings.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">If changes in the regulatory environment occur, we may no longer be eligible to apply this accounting treatment, and may be required to eliminate regulatory assets and liabilities from our balance sheet. Such changes could adversely affect our results of operations, financial position or cash flows.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021 and 2020, we had total regulatory assets of $797 million and $278 million respectively, and total regulatory liabilities of $503 million and $533 million respectively. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_175" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for further information.</span></div><div style="padding-right:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Income Taxes</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Company and its subsidiaries file consolidated federal income tax returns. Each entity records both federal and state income taxes as if it were a separate taxpayer and consolidating expense adjustments are allocated to the subsidiaries based on separate company computations of taxable income or loss.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We use the asset and liability method in accounting for income taxes. Under the asset and liability method, deferred income taxes are recognized at currently enacted income tax rates, to reflect the tax effect of temporary differences between the financial and tax basis of assets and liabilities as well as operating loss and tax credit carryforwards. Such temporary differences are the result of provisions in the income tax law that either require or permit certain items to be reported on the income tax return in a different period than they are reported in the financial statements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">It is our policy to apply the flow-through method of accounting for ITCs. Under the flow-through method, ITCs are reflected in net income&#160;as a reduction to income tax expense in the year they qualify. An exception to this general policy is the deferral method, which applies to our regulated businesses. Such a method results in the ITC being amortized as a reduction to income tax expense over the estimated useful lives of the underlying property that gave rise to the credit.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We recognize interest income or interest expense and penalties related to income tax matters in Income tax benefit (expense) on the Consolidated Statements of Income.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We account for uncertainty in income taxes recognized in the financial statements in accordance with the accounting standards for income taxes. The unrecognized tax benefit is classified in Other deferred credits and other liabilities or in Deferred income tax liabilities, net on the accompanying Consolidated Balance Sheets.  See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_220" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 15</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for additional information.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Earnings per Share of Common Stock</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Basic earnings per share is computed by dividing Net income available for common stock by the weighted average number of common shares outstanding during each year. Diluted earnings per share is computed by including all dilutive common shares outstanding during each year. Diluted common shares are primarily due to equity units, outstanding stock options, restricted stock and performance shares under our equity compensation plans.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A reconciliation of share amounts used to compute earnings per share is as follows for the years ended December 31 (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:49.483%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.372%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.372%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.373%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">236,744&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">227,608&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">199,310&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted average shares - basic</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">63,219&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">62,378&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60,662&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Dilutive effect of:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Equity compensation</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">106&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">61&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">136&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted average shares - diluted</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">63,325&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">62,439&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60,798&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock, per share - Diluted</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.74&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.65&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.28&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following securities were excluded from the diluted earnings per share computation for the years ended December 31 because of their anti-dilutive nature (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:49.483%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.372%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.372%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.373%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Equity compensation</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Anti-dilutive shares excluded from computation of earnings per share</span></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Non-controlling Interests</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We account for changes in our controlling interests of subsidiaries according to ASC 810</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">, Consolidation. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">ASC 810 requires that the Company record such changes as equity transactions, recording no gain or loss on such a sale. GAAP requires that non-controlling interests in subsidiaries and affiliates be reported in the equity section of a company&#8217;s balance sheet. In addition, the amounts attributable to the non-controlling interest net income (loss) of those subsidiaries are reported separately in the consolidated statements of income and comprehensive income. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_211" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 12</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for additional detail on non-controlling interests.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Share-Based Compensation</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We account for our share-based compensation arrangements in accordance with ASC 718, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Compensation-Stock Compensation</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, by recognizing compensation costs for all share-based awards over the respective service period for employee services received in exchange for an award of equity or equity-based compensation. Awards that will be settled in stock are accounted for as equity and the compensation expense is based on the grant date fair value. Awards that are settled in cash are accounted for as liabilities and the compensation expense is re-measured each period based on the current market price and performance achievement measures. See additional information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_217" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 14</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Recently Issued Accounting Standards</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Facilitation of the Effects of Reference Rate Reform on Financial Reporting, ASU 2020-04</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In March 2020, the FASB issued ASU 2020-04, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, which was subsequently amended by ASU 2021-01. The standard provides relief for companies preparing for discontinuation of interest rates, such as LIBOR, and allows optional expedients and exceptions for applying GAAP to contracts, hedging relationships and other transactions affected by reference rate reform if certain criteria are met. The amendments in this update are elective and are effective upon the ASU issuance through December 31, 2022. We are currently evaluating if we will apply the optional guidance as we assess the impact of the discontinuance of LIBOR on our current arrangements and the potential impact on our financial position, results of operations and cash flows.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Recently Adopted Accounting Standards</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Simplifying the Accounting for Income Taxes, ASU 2019-12</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In December 2019, the FASB issued ASU 2019-12, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Simplifying the Accounting for Income Taxes</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> as part of its overall simplification initiative to reduce costs and complexity in applying accounting standards while maintaining or improving the usefulness of the information provided to users of the financial statements. Amendments include removal of certain exceptions to the general principles of ASC 740,</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"> Income Taxes</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, and simplification in several other areas such as accounting for a franchise tax (or similar tax) that is partially based on income. We adopted this standard prospectively on January 1, 2021. Adoption of this standard did not have an impact on our financial position, results of operations or cash flows.</span></div><span></span>
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Regulatory Matters:<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock', window );">Regulatory Matters</a></td>
<td class="text">REGULATORY MATTERS<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We had the following regulatory assets and liabilities as of December 31 (in thousands):</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:65.859%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.420%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.421%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Regulatory assets</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Winter Storm Uri</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">509,025&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred energy and fuel cost adjustments </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">59,973&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">39,035&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred gas cost adjustments</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,488&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,200&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas price derivatives </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,584&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,226&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred taxes on AFUDC</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,457&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,491&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Employee benefit plans and related deferred taxes </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">88,923&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">116,598&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Environmental</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,385&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,413&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Loss on reacquired debt </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21,011&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">22,864&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred taxes on flow-through accounting</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">63,243&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">47,515&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Decommissioning costs </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,961&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,988&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas supply contract termination </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,524&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other regulatory assets</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,549&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">26,404&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total regulatory assets</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">796,599&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">278,258&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less current regulatory assets</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(270,290)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(51,676)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory assets, non-current</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">526,309&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">226,582&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Regulatory liabilities</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred energy and gas costs</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,113&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,253&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Employee benefit plan costs and related deferred taxes </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c) </span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32,241&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40,256&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cost of removal</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">179,976&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">172,902&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Excess deferred income taxes </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">264,042&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">285,259&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other regulatory liabilities</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (c)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">20,579&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21,050&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total regulatory liabilities</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">502,951&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">532,720&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less current regulatory liabilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(17,574)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(25,061)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory liabilities, non-current</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">485,377&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">507,659&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">_____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Timing of Winter Storm Uri incremental cost recovery and associated carrying costs vary by jurisdiction and some jurisdictions are still subject to pending applications with the respective utility commission. See further information below.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;Recovery of costs, but we are not allowed a rate of return.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;In addition to recovery or repayment of costs, we are allowed a return on a portion of this amount or a reduction in rate base.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Regulatory assets represent items we expect to recover from customers through probable future rates.</span></div><div><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Winter Storm Uri</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - See discussion below for Winter Storm Uri regulatory asset information.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Deferred Energy and Fuel Cost Adjustments</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Deferred energy and fuel cost adjustments represent the cost of electricity delivered to our Electric Utilities&#8217; customers that is either higher or lower than the current rates and will be recovered or refunded in future rates. Deferred energy and fuel cost adjustments are recorded and recovered or amortized as approved by the appropriate state regulatory commission. Our Electric Utilities file periodic quarterly, semi-annual and/or annual filings to recover these costs based on the respective cost mechanisms approved by their applicable state regulatory commissions. The recovery period for these costs is less than a year.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Deferred Gas Cost Adjustment</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">s - Our regulated Gas Utilities have GCA provisions that allow them to pass the cost of gas on to their customers. The GCA is based on forecasts of the upcoming gas costs and recovery or refund of prior under-recovered or over-recovered costs. To the extent that gas costs are under-recovered or over-recovered, they are recorded as a regulatory asset or liability, respectively. Our Gas Utilities file periodic estimates of future gas costs based on market forecasts with state regulatory commissions. The recovery period for these costs is less than a year.</span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Gas Price Derivatives</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Our regulated Gas Utilities, as allowed or required by state regulatory commissions, have entered into certain exchange-traded natural gas futures and options to reduce our customers&#8217; underlying exposure to fluctuations in gas prices. Gas price derivatives represent our unrealized positions on our commodity contracts supporting our utilities. Gas price derivatives at December 31, 2021 are hedged over a maximum forward term of two years.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Deferred Taxes on AFUDC</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - The equity component of AFUDC is considered a permanent difference for tax purposes with the tax benefit being flowed through to customers as prescribed or allowed by regulators. If, based on a regulator&#8217;s action, it is probable the utility will recover the future increase in taxes payable represented by this flow-through treatment through a rate revenue increase, a regulatory asset is recognized. This regulatory asset is a temporary difference for which a deferred tax liability must be recognized. Accounting standards for income taxes specifically address AFUDC-equity and require a gross-up of such amounts to reflect the revenue requirement associated with a rate-regulated environment.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Employee Benefit Plans and Related Deferred Taxes</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Employee benefit plans include the unrecognized prior service costs and net actuarial loss associated with our defined benefit pension plan and post-retirement benefit plans in regulatory assets rather than in AOCI. In addition, this regulatory asset includes the income tax effect of the adjustment required under accounting for compensation - defined benefit plans, to record the full pension and post-retirement benefit obligations. Such income tax effect has been grossed-up to account for the revenue requirement associated with a rate regulated environment.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Environmental </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">- Environmental costs associated with certain former manufactured gas plant sites. These costs are first offset by recognition of insurance proceeds and settlements with other third parties. Any remaining cost will be requested for recovery in future rate filings. Recovery for these specific environmental costs has not yet been approved by the applicable state regulatory commission and therefore, the recovery period is unknown at this time.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Loss on Reacquired Debt</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Loss on reacquired debt is recovered over the remaining life of the original issue or, if refinanced, over the life of the new issue.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Deferred Taxes on Flow-Through Accounting</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Under flow-through accounting, the income tax effects of certain tax items are reflected in our cost of service for the customer and result in lower utility rates in the year in which the tax benefits are realized. A regulatory asset was established to reflect that future increases in income taxes payable will be recovered from customers as the temporary differences reverse. As a result of this regulatory treatment, we continue to record a tax benefit for costs considered currently deductible for tax purposes, but are capitalized for book purposes.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Decommissioning Costs</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - South Dakota Electric and Colorado Electric received approval in 2014 for recovery of the remaining net book values and decommissioning costs of their decommissioned coal plants. In 2018, Arkansas Gas received approval to record Liquefied Natural Gas Plant decommissioning costs as a regulatory asset and received approval in 2020 to begin recovering those costs over three years.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Gas Supply Contract Termination</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - With the 2016 SourceGas acquisition, we assumed agreements requiring the Company to purchase all of the natural gas produced over the productive life of specific leaseholds in the Bowdoin Field in Montana. The prices to be paid under these agreements exceeded market prices at the time of acquisition. We received state utility commission approvals to terminate these agreements and Orders allowing us to create a regulatory asset for the net contract buyout costs with recovery over five years. We terminated the contract and settled the liability on April 29, 2016.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Regulatory liabilities represent items we expect to refund to customers through probable future decreases in rates.</span></div><div><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Deferred Energy and Gas Costs</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"> -</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> Deferred energy and gas costs that have been over-recovered through customer rates and will be returned to customers in future periods.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Employee Benefit Plan Costs and Related Deferred Taxes</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"> -</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> Employee benefit plans represent the cumulative excess of pension and retiree healthcare costs recovered in rates over pension expense recorded in accordance with accounting standards for compensation - retirement benefits. In addition, this regulatory liability includes the income tax effect of the adjustment required under accounting for compensation - defined benefit plans, to record the full pension and post-retirement benefit obligations. Such income tax effect has been grossed-up to account for the revenue requirement associated with a rate regulated environment.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Cost of Removal</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"> -</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> Cost of removal represents the estimated cumulative net provisions for future removal costs for which there is no legal obligation for removal included in depreciation expense.</span></div><div style="padding-left:18pt;padding-right:36pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Excess Deferred Income Taxes</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - The revaluation of the regulated utilities' deferred tax assets and liabilities due to the passage of the TCJA was recorded as an excess deferred income tax to be refunded to customers primarily using the normalization principles as prescribed in the TCJA. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_220" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 15</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for additional information.</span></div><div style="padding-left:18pt;padding-right:36pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline">Recent Regulatory Activity</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Winter Storm Uri</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In February 2021, a prolonged period of historic cold temperatures across the central United States covered all of our Utilities&#8217; service territories, caused a substantial increase in heating and energy demand and contributed to unforeseeable and unprecedented market prices for natural gas and electricity. As a result of Winter Storm Uri, we incurred significant incremental fuel, purchased power and natural gas costs.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Utilities submitted Winter Storm Uri cost recovery applications in our state jurisdictions seeking to recover $546&#160;million of these incremental costs through separate tracking mechanisms over a weighted-average recovery period of 3.5 years. These incremental cost estimates are subject to adjustments as final decisions are issued by the respective utility commissions. In these applications, we sought approval to recover carrying costs. For the year ended December 31, 2021, $4.1&#160;million of carrying costs were accrued and recorded to a regulatory asset. We are also seeking recovery of $13&#160;million of previously disclosed Winter Storm Uri incremental costs through our existing regulatory mechanisms.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">To date, Iowa Gas, Kansas Gas, Nebraska Gas and South Dakota Electric received commission approval for Winter Storm Uri cost recovery. Additionally, Arkansas Gas and Wyoming Gas received approval for interim cost recovery subject to a final decision on carrying costs and recovery periods at a later date. Colorado Gas and Colorado Electric filed settlement agreements for their applications with final rates to be implemented in 2022. These settlements are subject to final approval by the CPUC. For the year ended December 31, 2021, our Utilities collected $40&#160;million of Winter Storm Uri incremental costs and carrying costs from customers.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">TCJA</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On December 22, 2017, the U.S. government enacted comprehensive tax legislation commonly referred to as the TCJA.  The TCJA reduced the U.S. federal corporate tax rate from 35% to 21%.  As such, the Company remeasured our deferred income taxes at the 21% federal tax rate as of December 31, 2017. In 2018 and 2019, the Company successfully delivered several of these tax benefits from the TCJA to its utility customers.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In 2020, regulatory proceedings resolved the last of the Company&#8217;s open dockets seeking approval of its TCJA plans. As a result, the Company relieved certain TCJA-related liabilities, which resulted in an increase to net income for the year ended December 31, 2020 of $4.0&#160;million.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On December 30, 2020, an administrative law judge approved a settlement of Colorado Electric&#8217;s plan to provide $9.3&#160;million of TCJA-related bill credits to its customers. The bill credits, which represent a disposition of excess deferred income tax benefits resulting from the TCJA, were delivered to customers in February 2021. The settlement agreement further provided for Colorado Electric to deliver annual bill credits to customers, starting in April 2021, until remaining excess deferred income tax regulatory liabilities associated with the TCJA are fully amortized. In April 2021, Colorado Electric delivered $0.9&#160;million of TCJA-related bill credits to customers.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On January 26, 2021, the NPSC approved Nebraska Gas&#8217;s plan to provide $2.9&#160;million of TCJA-related bill credits to its customers. The bill credits, which represent a disposition of excess deferred income tax benefits resulting from the TCJA, were delivered to customers in June 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">These Colorado Electric and Nebraska Gas bill credits, which resulted in a reduction in revenue, were offset by a reduction in income tax expense and resulted in a minimal impact to Net income for the year ended December 31, 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As part of the 2021 rate review settlement agreement discussed further below, Kansas Gas will deliver $3.0&#160;million of TCJA and state tax reform benefits to customers, annually, for each of the next three years starting in 2022 (approximately $9.1&#160;million of total benefits expected to be delivered).</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Arkansas Gas</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On December 10, 2021, Arkansas Gas filed a rate review with the APSC seeking recovery of significant infrastructure investments in its 7,200-mile natural gas pipeline system. The rate review requests $22&#160;million in new annual revenue with a capital structure of 50.9% equity and 49.1% debt and a return on equity of 10.2%. The request seeks to finalize rates in the fourth quarter of 2022.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Colorado Gas</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Rate Reviews and SSIR</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On June 1, 2021, Colorado Gas filed a rate review with the CPUC seeking recovery of significant infrastructure investments in its 7,000-mile natural gas pipeline system. In the fourth quarter of 2021, Colorado Gas reached a settlement agreement with the CPUC staff and various intervenors for a general rate increase, which was subsequently approved by an administrative law judge. N</span><span style="color:#242424;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">ew rates were effective January 1, 2022, and the settlement is expected to generate $6.5&#160;million of new annual revenue. The new revenue is based on a return on equity of 9.2% and a capital structure of 50.3% equity and 49.7% debt.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On September 11, 2020, in accordance with the final Order from the rate review filed on February 1, 2019, Colorado Gas filed a SSIR proposal with the CPUC that would recover safety and integrity focused investments in its system for five years. On July 6, 2021, Colorado Gas received approval from the CPUC for its SSIR proposal to recover these investments for three years effective January 1, 2022. The return on SSIR investments will be the current weighted-average cost of long-term debt.</span></div><div><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Iowa Gas</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Rate Review</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On June 1, 2021, Iowa Gas filed a rate review with the IUB seeking recovery of significant infrastructure investments in its 5,000-mile natural gas pipeline system. On December 28, 2021, the IUB approved a settlement agreement with all intervening parties for a general rate increase. The settlement will shift $2.2&#160;million of rider revenue to base rates and is expected to generate $3.7&#160;million in new annual revenue with a</span><span style="color:#242424;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> capital structure of 50% equity and 50% debt and a return on equity of 9.6%. Final rates were enacted on January 1, 2022, and replaced</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> interim rates effective June 11, 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Kansas Gas</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Rate Review</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On May 7, 2021, Kansas Gas filed a rate review and rider renewal with the KCC seeking recovery of significant infrastructure investments in its 4,600-mile natural gas pipeline system. On December 30, 2021, Kansas Gas received approval from the KCC on its Global Settlement agreement with KCC staff and various intervenors for a general rate increase and renewal of its safety and integrity rider. The settlement shifted $6.6&#160;million of rider revenue to base rates, effective January 1, 2022, and also allowed rider renewal for at least <span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzYwNDczMTQwMjQ2Mzk_8155ce63-9607-4247-b83b-05739ba8783f">five</span> more years.</span></div><div style="text-align:justify"><span><br/></span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Nebraska Gas</span></div><div style="text-align:justify"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Jurisdictional Consolidation and Rate Review</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On January 26, 2021, Nebraska Gas received approval from the NPSC to consolidate rate schedules into a new, single statewide structure and recover significant infrastructure investments in its 13,000-mile natural gas pipeline system. Final rates were enacted on March 1, 2021, which replaced interim rates effective September 1, 2020. The approval shifted $4.6&#160;million of SSIR revenue to base rates and is expected to generate $6.5&#160;million in new annual revenue with a capital structure of 50% equity and 50% debt and a return on equity of 9.5%. The approval also included an extension of the SSIR for five years and an expansion of this mechanism across the consolidated jurisdictions.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">South Dakota Electric</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">FERC Formula Rate</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The annual rate determination process is governed by the FERC formula rate protocols established in the filed FERC joint-access transmission tariff. Effective January 1, 2021, the annual revenue requirement for the FERC Transmission Formula Rate was $26&#160;million and included estimated weighted average capital additions of $5.0 million for 2020 and 2021 combined.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Black Hills Wyoming and Wyoming Electric</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Wygen I FERC Filing</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On October 15, 2020, the FERC approved a settlement agreement that represents a resolution of all issues in the joint application filed by Wyoming Electric and Black Hills Wyoming on August 2, 2019 for approval of a new 60 MW PPA. Under the terms of the settlement, Wyoming Electric will continue to receive 60 MW of capacity and energy from the Wygen I power plant. The new agreement commenced on January 1, 2022, replaced the existing PPA and will continue for 11 years.</span></div><span></span>
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Commitment, Contingencies And Guarantees:<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<td class="text">COMMITMENTS, CONTINGENCIES AND GUARANTEES<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Power Purchase and Transmission Services Agreements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Through our subsidiaries, we have the following significant long-term power purchase contracts and transmission services agreement with non-affiliated third-parties:</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:20.098%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.326%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:21.268%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.595%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:21.272%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Subsidiary</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Contract Type</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Counterparty</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel Type</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Quantity (MW)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Expiration Date</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:0.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PRPA</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">May 31, 2030</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PRPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">25</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">June 30, 2024</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">TC Colorado Solar, LLC</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Solar</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">200</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pending Completion </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PacifiCorp</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">50</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2023</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:0.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission Services Agreement</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PacifiCorp</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">50</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2023</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PRPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">September 30, 2029</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fall River Solar, LLC</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Solar</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">80</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pending Completion </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(d)</span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(e)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Happy Jack</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">September 3, 2028</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(f)</span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Silver Sage</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">September 30, 2029</span></td></tr></table></div><div style="padding-left:9pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Colorado Electric sells the wind energy purchased under this PPA to City of Colorado Springs as discussed below.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:112%">(b)&#160;&#160;&#160;&#160;On January 31, 2022, TC Colorado Solar, LLC (TC Solar) provided termination notice of the PPA to Colorado Electric. Colorado Electric has disputed TC Solar&#8217;s right to termination and pursuant to the agreement, has initiated discussions with TC Solar. This agreement relates to a new solar facility to be constructed and would expire 15 years after construction completion.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;This is a firm point-to-point transmission service agreement providing the ability to deliver a maximum of 50 MW of capacity and associated energy.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(d)&#160;&#160;&#160;&#160;This agreement relates to a new solar facility currently being constructed and will expire 20 years after construction completion, which is expected by the end of 2022.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(e)&#160;&#160;&#160;&#160;Under a separate intercompany PSA, Wyoming Electric sells 50% of the facility output to South Dakota Electric.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(f)&#160;&#160;&#160;&#160;Under a separate intercompany PSA, Wyoming Electric sells 67% of the facility output to South Dakota Electric.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Costs under these agreements for the years ended December 31 were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:19.367%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.373%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.344%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.595%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:1.700%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.577%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Subsidiary</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Contract Type</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Counterparty</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel Type</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PRPA</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,246&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,791&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PRPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,447&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,524&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,802&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PacifiCorp</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,923&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,897&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,477&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission Services Agreement</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PacifiCorp</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,783&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,776&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,741&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PRPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">596&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">715&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">688&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Happy Jack</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,544&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,531&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,936&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Silver Sage</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,717&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,203&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,366&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Power Purchase Agreements - Related Parties</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Wyoming Electric had a PPA with Black Hills Wyoming scheduled to expire on December 31, 2022, which provided 60 MW of unit-contingent capacity and energy from Black Hills Wyoming&#8217;s Wygen I facility. On October 15, 2020, the FERC approved a settlement agreement in the joint application filed by Wyoming Electric and Black Hills Wyoming on August 2, 2019 for approval of a new 60 MW PPA. Under the terms of the settlement, Wyoming Electric will continue to receive 60 MW of capacity and energy from the Wygen I facility. The new agreement commenced on January 1, 2022, replaced the existing PPA and will continue for 11 years.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Black Hills Electric Generation provides the wind energy generated from Busch Ranch II to Colorado Electric through a PPA, which expires in November 2044.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Black Hills Electric Generation provides its 14.5 MW share of energy generated from Busch Ranch I to Colorado Electric through a PPA, which expires in October 2037.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Colorado Electric&#8217;s PPA with Black Hills Colorado IPP, expiring on December&#160;31, 2031, provides 200 MW of power to Colorado Electric from Black Hills Colorado IPP&#8217;s combined-cycle turbines.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Purchase Commitments</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We maintain natural gas supply contracts with several vendors that generally cover a period of up to one year. Commitments for estimated baseload gas volumes are established prior to the beginning of the month under these contracts on a monthly basis at contractually negotiated prices. Commitments for incremental daily purchases are made as necessary during the month based on requirements in accordance with the terms of the individual contract.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Gas Utilities segment has commitments to purchase physical quantities of natural gas under contracts indexed to various forward natural gas price curves. A portion of our gas purchases are purchased under evergreen contracts and are therefore, for purposes of this disclosure, carried out for 60 days. At December 31, 2021, the long-term commitments to purchase quantities of natural gas under contracts indexed to the following forward indices were as follows (in MMBtus):</span></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:27.743%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.759%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.759%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.759%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.759%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.759%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.762%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2024</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2025</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2026</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Thereafter</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">El Paso - Bondad Station</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">31,000</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Kern River - Opal</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,300</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">El Paso - San Juan Basin</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">182,550</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Enable East Pipeline</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,825,000</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">450,000</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Northern Natural Gas - Demarc</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,614</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Northern Natural Gas - Ventura</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,810,000</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,840,000</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,820,000</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Northwest Pipeline - Wyoming</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,531,700</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,510,000</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">910,000</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">ONEOK - Oklahoma</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,475,000</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,475,000</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,490,000</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,560,000</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Southern Star Central Gas Pipeline</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">113,130</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Panhandle Eastern Pipe Line</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,609,680</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,737,500</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12,588,974</span></td><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12,012,500</span></td><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,220,000</span></td><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,560,000</span></td><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Purchases under these contracts totaled $61 million, $25 million and $7 million for 2021, 2020 and 2019, respectively.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Other Gas Supply Agreements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Utilities also purchase natural gas, including transportation and storage capacity to meet customers&#8217; needs, under short-term and long-term purchase contracts. These contracts extend to 2044.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following is a schedule of unconditional purchase obligations required under the power purchase, transmission services and natural gas transportation and storage agreements (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:40.334%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:28.182%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:28.184%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Power purchase and transmission services agreements</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas transportation and storage agreements</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">23,985&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">143,750&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11,678&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">119,923&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2024</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,738&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">82,428&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2025</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">58,669&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2026</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">36,503&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Thereafter</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60,429&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="padding-left:9pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;This schedule does not reflect renewable energy PPA obligations since these agreements vary based on weather conditions.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Power Sales Agreements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Through our subsidiaries, we have the following significant long-term power sales contracts with non-affiliated third-parties:</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">On July 1, 2020, Colorado Electric entered into a PSA with the City of Colorado Springs to sell up to 60 MW of wind energy purchased from PRPA under a separate 60 MW PPA discussed above. This PSA with the City of Colorado Springs expires June 30, 2025.</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">During periods of reduced production at Wygen III in which MDU owns a portion of the capacity, or during periods when Wygen III is off-line, South Dakota Electric will provide MDU with 25 MW from our other generation facilities or from system purchases with reimbursement of costs by MDU. This agreement expires January&#160;31, 2023.</span></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">South Dakota Electric has an agreement to provide MDU capacity and energy up to a maximum of 50 MW in excess of Wygen III ownership. This agreement expires December&#160;31, 2023.</span></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">During periods of reduced production at Wygen III in which the City of Gillette owns a portion of the capacity, or during periods when Wygen III is off-line, South Dakota Electric will provide the City of Gillette with its first 23 MW from its other generating facilities or from system purchases with reimbursement of costs by the City of Gillette. Under this agreement, which has an initial term through September 3, 2034 and would be renewed annually on September&#160;3 thereafter, South Dakota Electric will also provide the City of Gillette their operating component of spinning reserves.</span></div><div style="padding-left:36pt;padding-right:31.5pt"><span><br/></span></div><div style="padding-left:36pt;padding-right:31.5pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">South Dakota Electric has an amended agreement, effective January 1, 2019, to supply up to 20 MW of energy and capacity to MEAN under a contract that expires May&#160;31, 2028. The contract terms are from June 1 through May 31 for each interval listed below. This contract is unit-contingent based on the availability of our Neil Simpson II and Wygen III plants, with decreasing capacity purchased over the term of the agreement. The unit-contingent capacity amounts from Wygen III and Neil Simpson II are as follows:</span></div><div style="margin-top:5pt;padding-left:18pt;padding-right:18pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:92.397%"><tr><td style="width:1.0%"/><td style="width:36.874%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.551%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.551%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:1.856%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.551%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.551%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:1.856%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.551%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.559%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Contract Years</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Contract Capacity</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Contingent Capacity Amounts on Wygen III</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Contingent Capacity Amounts on Neil Simpson II</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020-2022</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022-2023</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023-2028</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td></tr></table></div><div style="padding-left:36pt;text-indent:-18pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">South Dakota Electric had an agreement that expired December&#160;31, 2021 to provide 50 MW of energy to Macquarie Energy, LLC during heavy and light load timing intervals.</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Black Hills Wyoming sold its CTII 40 MW natural gas-fired generating unit to the City of Gillette, Wyoming on September 3, 2014. Under the terms of the sale, Black Hills Wyoming entered into ancillary agreements to operate CTII, provide use of shared facilities including a ground lease and dispatch generation services. In addition, the agreement includes a 20-year Economy Energy PSA that contains a sharing arrangement in which the parties share the savings of wholesale power purchases made when market power prices are less than the cost of operating the generating unit.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Lease Agreements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Lessee</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We lease from third parties certain office and operation center facilities, communication tower sites, equipment and materials storage. Our leases have remaining terms ranging from less than one year to 34 years, including options to extend that are reasonably certain to be exercised. Our operating and finance leases were not material to the Company&#8217;s Consolidated Financial statements.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Lessor</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We lease to third parties certain generating station ground leases, communication tower sites and a natural gas pipeline. These leases have remaining terms ranging from less than one year to 34 years. Lease revenue was not material for the years ended December 31, 2021, 2020 and 2019.</span></div><div style="text-align:center"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, scheduled maturities of operating lease payments to be received in future years were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:79.163%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.637%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Operating Leases</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,173&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,204&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2024</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,125&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2025</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,070&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2026</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,881&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Thereafter</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">51,233&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total lease receivables</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">61,686&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Environmental Matters</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We are subject to costs resulting from a number of federal, state and local laws and regulations which affect future planning and existing operations. Laws and regulations can result in increased capital expenditures, operating and other costs as a result of compliance, remediation and monitoring obligations. Due to the environmental issues discussed below, we may be required to modify, curtail, replace or cease operating certain facilities or operations to comply with statutes, regulations and other requirements of regulatory bodies.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Reclamation Liability</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">For our Pueblo Airport Generation site, we posted a bond of $4.1 million with the State of Colorado to cover the costs of remediation for a waste water containment pond permitted to provide wastewater storage and processing for this zero discharge facility. The reclamation liability is recorded at the present value of the estimated future cost to reclaim the land.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Under our land leases for our wind generation facilities, we are required to reclaim land where we have placed wind turbines. The reclamation liabilities are recorded at the present value of the estimated future cost to reclaim the land.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Under its mining permit, WRDC is required to reclaim all land where it has mined reserves. The reclamation liability is recorded at the present value of the estimated future cost to reclaim the land.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_190" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 7</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for additional information.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Manufactured Gas Processing</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In 2008, we acquired whole and partial liabilities for former manufactured gas processing sites in Nebraska and Iowa, which were previously used to convert coal to natural gas. The acquisition provided for an insurance recovery, now valued at $1.2 million recorded in Other assets, non-current on our Consolidated Balance Sheets, which will be used to help offset remediation costs. We also have a $1.4 million regulatory asset for manufactured gas processing sites; see </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_175" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for additional information.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, we had $2.6 million accrued for remediation of Iowa&#8217;s manufactured gas processing site as the landowner. As of December 31, 2021, we had $0.6&#160;million accrued for remediation of Nebraska&#8217;s manufactured gas processing site as the land owner. These liabilities are included in Other deferred credits and other liabilities on our Consolidated Balance Sheets. The remediation cost estimate could change materially due to results of further investigations, actions of environmental agencies or the financial viability of other responsible parties.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Legal Proceedings</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In the normal course of business, we are subject to various lawsuits, actions, proceedings, claims and other matters asserted under laws and regulations. We believe the amounts provided in the consolidated financial statements to satisfy alleged liabilities are adequate in light of the probable and estimable contingencies. However, there can be no assurance that the actual amounts required to satisfy alleged liabilities from various legal proceedings, claims and other matters discussed, and to comply with applicable laws and regulations will not exceed the amounts reflected in the consolidated financial statements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We record gain contingencies when realized, and expected recoveries under applicable insurance contracts when we are assured of recovery.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In the normal course of business, we enter into agreements that include indemnification in favor of third parties, such as information technology agreements, purchase and sale agreements and lease contracts.&#160;We have also agreed to indemnify our directors, officers and employees in accordance with our articles of incorporation, as amended.&#160;Certain agreements do not contain any limits on our liability and therefore, it is not possible to estimate our potential liability under these indemnifications. In certain cases, we have recourse against third parties with respect to these indemnities.&#160;Further, we maintain insurance policies that may provide coverage against certain claims under these indemnities.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Guarantees</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have entered into various parent company-level guarantees providing financial or performance assurance to third parties on behalf of certain of our subsidiaries. These guarantees do not represent incremental consolidated obligations, but rather, represent guarantees of subsidiary obligations to allow those subsidiaries to conduct business without posting other forms of assurance. The agreements, which are off-balance sheet commitments, include support for business operations, indemnification for reclamation and surety bonds. The guarantees were entered into in the normal course of business. To the extent liabilities are incurred as a result of activities covered by these guarantees, such liabilities are included in our Consolidated Balance Sheets.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See Note 8 for additional information on our off-balance sheet Letters of Credit commitment.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We had the following guarantees in place as of (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:79.163%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.637%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum Exposure at</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nature of Guarantee</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Indemnification for reclamation/surety bonds</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">55,867&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Guarantees supporting business transactions</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">370,558&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">426,425&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr></table></div><span></span>
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Revenue:<br></strong></div></th>
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<td class="text">REVENUE <div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following tables depict the disaggregation of revenue, including intercompany revenue, from contracts with customers by customer type and timing of revenue recognition for each of the reportable segments, for the years ended December 31, 2021, 2020 and 2019. Sales tax and other similar taxes are excluded from revenues.</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:37.992%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.126%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.126%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.126%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.130%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Year ended December 31, 2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;Electric Utilities </span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;Gas Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Inter-company Revenues</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Customer types:</span></td><td colspan="12" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Retail</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">711,448&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">913,725&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,625,173&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transportation</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">158,053&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(428)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">157,625&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wholesale</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30,848&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30,848&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Market - off-system sales</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">41,682&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">396&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">42,078&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission/Other</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">52,945&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">39,365&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(17,200)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">75,110&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue from contracts with customers</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">836,923&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,111,539&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(17,628)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,930,834&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,335&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,326&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(393)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">18,268&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total revenues</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">842,258&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,124,865&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(18,021)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,949,102&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Timing of revenue recognition:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Services transferred at a point in time</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,141&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,141&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Services transferred over time</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">809,782&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,111,539&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(17,628)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,903,693&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue from contracts with customers</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">836,923&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,111,539&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(17,628)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,930,834&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:37.992%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.126%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.126%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.126%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.130%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Year ended December 31, 2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;Electric Utilities </span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;Gas Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Inter-company Revenues</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Customer types:</span></td><td colspan="12" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Retail</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">636,902&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">765,922&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,402,824&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transportation</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">154,581&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(526)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">154,055&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wholesale</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24,845&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24,845&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Market - off-system sales</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15,512&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">260&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15,772&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission/Other</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">55,422&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">43,658&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(15,772)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">83,308&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue from contracts with customers</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">732,681&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">964,421&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(16,298)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,680,804&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,176&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10,249&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(288)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16,137&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total revenues</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">738,857&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">974,670&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(16,586)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,696,941&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Timing of revenue recognition:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Services transferred at a point in time</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,089&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,089&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Services transferred over time</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">705,592&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">964,421&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(16,298)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,653,715&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue from contracts with customers</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">732,681&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">964,421&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(16,298)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,680,804&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:37.992%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.126%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.126%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.126%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.130%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Year ended December 31, 2019</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;Electric Utilities </span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;Gas Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Inter-company Revenues</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Customer types:</span></td><td colspan="12" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Retail</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">632,936&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">817,840&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,450,776&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transportation</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">143,390&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,042)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">142,348&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wholesale</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28,464&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28,464&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Market - off-system sales</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16,081&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">691&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16,772&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission/Other</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">53,750&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">47,725&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(13,443)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">88,032&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue from contracts with customers</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">731,231&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,009,646&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,485)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,726,392&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,124&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">384&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,508&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total revenues</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">739,355&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,010,030&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,485)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,734,900&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Timing of revenue recognition:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Services transferred at a point in time</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,180&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,180&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Services transferred over time</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">704,051&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,009,646&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,485)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,699,212&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue from contracts with customers</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">731,231&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,009,646&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,485)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,726,392&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.</p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936002728">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Property, Plant And Equipment:<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentAbstract', window );"><strong>Property, Plant and Equipment [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">PROPERTY, PLANT AND EQUIPMENT<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Property, plant and equipment at December 31 consisted of the following (dollars in thousands):</span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:33.110%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.742%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.864%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.868%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Lives (in years)</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Useful Life (in years)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Useful Life (in years)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Minimum</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum</span></td></tr><tr style="height:6pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric plant:</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Production</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,452,055&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">41</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,417,951&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">45</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric transmission</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">546,126&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">49</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">517,794&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">49</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">43</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">50</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric distribution</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,000,619&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">47</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">959,453&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">46</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">45</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">49</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Integrated Generation</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">720,490&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">716,479&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">31</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">59</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Plant acquisition adjustment </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,870&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,870&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">General</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">266,935&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">259,010&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">25</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">31</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total electric plant in service</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,991,095&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,875,557&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Construction work in progress</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">181,451&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">95,266&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total electric plant</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,172,546&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,970,823&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less accumulated depreciation and depletion</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,016,738)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(960,993)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric plant net of accumulated depreciation and depletion</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,155,808&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,009,830&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr></table><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The plant acquisition adjustment is included in rate base and is being recovered with 9 years remaining.</span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:33.987%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.718%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.718%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.718%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.718%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.718%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.723%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Lives (in years)</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Useful Life (in years)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Useful Life (in years)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Minimum</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum</span></td></tr><tr style="height:6pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas plant:</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Production</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">14,841&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15,603&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">46</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas transmission</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">645,550&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">58</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">578,278&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">54</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">22</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">71</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas distribution</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,394,352&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">53</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,115,082&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">53</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">45</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">59</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cushion gas - depreciable </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,539&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,539&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cushion gas - not depreciable </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">42,478&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">39,184&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Storage</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">56,289&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">38</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">55,481&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">38</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">52</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">General</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">474,964&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">438,217&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">19</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">23</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total gas plant in service</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,632,013&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,245,384&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Construction work in progress</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">37,860&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">67,229&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total gas plant</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,669,873&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,312,613&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less accumulated depreciation</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(389,115)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(323,679)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas plant net of accumulated depreciation</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,280,758&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,988,934&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr></table><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Depreciation of Cushion Gas is determined by the respective regulatory jurisdiction in which the Cushion Gas resides.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:17.613%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.987%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.157%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.742%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.695%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.695%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.110%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.260%"/><td style="width:0.1%"/></tr><tr><td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Lives (in years)</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Construction Work in Progress</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Property Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less Accumulated Depreciation</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Useful Life</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Minimum</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Corporate</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,694&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,460&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">14,154&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,544)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12,610&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">22</span></td></tr></table></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:17.613%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.987%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.157%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.742%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.695%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.695%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.110%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.260%"/><td style="width:0.1%"/></tr><tr><td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Lives (in years)</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Construction Work in Progress</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Property Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less Accumulated Depreciation</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Useful Life</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Minimum</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Corporate</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,692&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16,402&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">22,094&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,144)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">20,950&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">22</span></td></tr></table></div><span></span>
</td>
</tr>
</table>
<div style="display: none;">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 958<br> -SubTopic 360<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=120429125&amp;loc=d3e99893-112916<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -URI http://asc.fasb.org/topic&amp;trid=2155823<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 958<br> -SubTopic 360<br> -Section 50<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=120429125&amp;loc=SL120174063-112916<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 958<br> -SubTopic 360<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=120429125&amp;loc=d3e99779-112916<br></p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936076920">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Jointly Owned Facilities:<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract', window );"><strong>Organization, Consolidation and Presentation of Financial Statements [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_JointlyOwnedFacilitiesUtilityandNonRegulatedTextBlock', window );">Jointly Owned Facilities</a></td>
<td class="text">JOINTLY OWNED FACILITIES<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our consolidated financial statements include our share of several jointly-owned facilities as described below. Our share of the facilities&#8217; expenses are reflected in the appropriate categories of operating expenses in the Consolidated Statements of Income. Each owner of the facility is responsible for financing its investment in the jointly-owned facilities.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Wyodak Plant</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">South Dakota Electric owns a 20% interest in the Wyodak Plant while PacifiCorp owns the remaining ownership interest and operates the Wyodak Plant. South Dakota Electric receives its proportionate share of the Wyodak Plant&#8217;s capacity and is committed to pay its proportionate share of its additions, replacements and operating and maintenance expenses. In addition to supplying South Dakota Electric with coal for its share of the Wyodak Plant, our mine supplies PacifiCorp&#8217;s share of the coal under a separate long-term agreement. This coal supply agreement is collateralized by a mortgage on and a security interest in some of WRDC&#8217;s coal reserves.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Transmission Tie</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">South Dakota Electric owns a 35% interest in, and is the operator of, the Converter Station Site and South Rapid City Interconnection (the Transmission Tie), an AC-DC-AC transmission tie. Basin Electric Power Cooperative owns the remaining 65% interest in the Transmission Tie. South Dakota Electric is committed to pay its proportionate share of the additions and replacements and operating and maintenance expenses of the Transmission Tie.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Wygen III</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">South Dakota Electric owns 52% of the Wygen III generation facility. MDU and the City of Gillette each own an undivided ownership interest in Wygen III and are obligated to make payments for costs associated with administrative services and their proportionate share of the costs of operating the plant for the life of the facility. South Dakota Electric retains responsibility for plant operations. Our mine supplies fuel to Wygen III for the life of the plant.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Wygen I</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Black Hills Wyoming owns 76.5% of the Wygen I plant while MEAN owns the remaining ownership interest. MEAN is obligated to make payments for its share of the costs associated with administrative services, plant operations and coal supply provided by our mine during the life of the facility. Black Hills Wyoming retains responsibility for plant operations.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">At December 31, 2021, our interests in jointly-owned generating facilities and transmission systems were (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:33.453%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.151%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.298%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.151%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.447%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Plant in Service</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Construction Work in Progress</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less Accumulated Depreciation</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Plant Net of Accumulated Depreciation</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyodak Plant</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">118,637&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">882&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(70,468)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">49,051&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission Tie</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24,544&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">287&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6,922)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17,909&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wygen III</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">142,199&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">635&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(26,598)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">116,236&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wygen I</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">120,565&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">399&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(53,784)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">67,180&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Jointly Owned Facilities - Related Party</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Busch Ranch I</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Colorado Electric owns 50% of Busch Ranch I while Black Hills Electric Generation owns the remaining 50% ownership interest.  Each company is obligated to make payments for costs associated with their proportionate share of the costs of operating the wind farm over the life of the facility. Colorado Electric retains responsibility for operations of the wind farm. Black Hills Electric Generation provides its share of energy from the wind farm to Colorado Electric through a PPA, which expires in October 2037.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Cheyenne Prairie</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Cheyenne Prairie serves the utility customers of South Dakota Electric and Wyoming Electric. The facility includes one simple-cycle, 40 MW combustion turbine that is wholly-owned by Wyoming Electric and one combined-cycle, 100 MW unit that is jointly-owned by South Dakota Electric (58 MW) and Wyoming Electric (42 MW). BHSC is responsible for plant operations.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Corriedale</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Corriedale serves as the dedicated wind energy supply for Renewable Ready customers in South Dakota and Wyoming. The 52.5 MW wind farm is jointly-owned by South Dakota Electric (32.5 MW) and Wyoming Electric (20 MW). BHSC is responsible for operations of the wind farm.</span></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of proportionate interests in jointly owned facilities (regulated utiliyt and non-regulated). Includes the amount of plants in service, the accumulated depreciation (if available), the amount of construction in progress, and the proportionate share. Includes statements that the amounts represent the company's share in each joint facility and that it must provide its own financing. States that the company's share of direct expenses of the joint facilities is included in the corresponding operating expenses on its income statement (for example, fuel, maintenance, other operating expense). [Text Block]</p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936009096">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Asset Retirement Obligations:<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationDisclosureAbstract', window );"><strong>Asset Retirement Obligation Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationDisclosureTextBlock', window );">Asset Retirement Obligations</a></td>
<td class="text">ASSET RETIREMENT OBLIGATIONS<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have identified legal obligations related to reclamation of mining sites; removal of fuel tanks, transformers containing polychlorinated biphenyls, and an evaporation pond; and reclamation of wind turbine sites at our Electric Utilities segment.  In addition, we have identified legal obligations related to retirement of gas pipelines and wells at our Gas Utilities and removal of asbestos at our Utilities. We periodically review and update estimated costs related to these AROs. The actual cost may vary from estimates due to regulatory requirements, changes in technology and increased labor, materials and equipment costs.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following tables present the details of AROs which are included on the accompanying Consolidated Balance Sheets in Other deferred credits and other liabilities (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:19.775%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.600%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.600%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.600%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.600%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:14.520%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.605%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities Incurred</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities Settled</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accretion</span></td><td colspan="3" style="display:none"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revisions to Prior Estimates</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">29,157&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(978)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,315&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">595&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30,089&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">42,274&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(66)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,733&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,514&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">45,455&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">71,431&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,044)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,048&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,109&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">75,544&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="margin-top:5pt;text-align:center"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:19.775%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.600%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.600%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.600%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.600%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:14.520%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.605%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2019</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities Incurred</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities Settled</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accretion</span></td><td colspan="3" style="display:none"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revisions to Prior Estimates</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b) (c)</span></div></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28,120&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,217&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(185)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,230&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,225)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">29,157&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(d)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">36,085&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,782&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(132)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,539&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">42,274&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">64,205&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,999&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(317)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,769&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,225)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">71,431&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The Revisions to Prior Estimates were primarily driven by changes in estimates associated with natural gas wells.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;Liabilities incurred were related to new wind assets.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;The Revisions to Prior Estimates were primarily driven by changes in estimated costs associated with back-filling the pit with overburden removed during the mining process.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(d)&#160;&#160;&#160;&#160;Liabilities incurred were driven by an increase in gas pipeline miles; which increases our legal liability for retirement of gas pipelines, specifically to purge and cap these lines in accordance with federal regulations.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We also have legally required AROs related to certain assets within our electric transmission and distribution systems. These retirement obligations are pursuant to an easement or franchise agreement and are only required if we discontinue our utility service under such easement or franchise agreement. Accordingly, it is not possible to estimate a time period when these obligations could be settled, and therefore, a liability for the cost of these obligations cannot be measured at this time.</span></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -URI http://asc.fasb.org/subtopic&amp;trid=2175671<br></p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333935904472">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Financing:<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtDisclosureTextBlock', window );">Financing</a></td>
<td class="text">FINANCING<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Short-term debt</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We had the following Notes payable outstanding at the Consolidated Balance Sheets date (in thousands):</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:44.514%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.498%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance Outstanding</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Letters of Credit </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance Outstanding</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Letters of Credit </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revolving Credit Facility</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,209&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24,730&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">CP Program</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">420,180&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">234,040&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">420,180&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,209&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">234,040&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24,730&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Letters of credit are off-balance sheet commitments that reduce the borrowing capacity available on our corporate Revolving Credit Facility.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Revolving Credit Facility and CP Program</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On July 19, 2021, we amended and restated our corporate Revolving Credit Facility, maintaining total commitments of $750 million and extending the term through July 19, 2026 with two one year extension options (subject to consent from lenders). This Revolving Credit Facility is similar to the former revolving credit facility, which includes an accordion feature that allows us to increase total commitments up to $1.0 billion with the consent of the administrative agent, the issuing agents and each bank increasing or providing a new commitment. Borrowings continue to be available under a base rate or various Eurodollar rate options. The interest costs associated with the letters of credit or borrowings and the commitment fee under the Revolving Credit Facility are determined based upon our Corporate credit rating from S&amp;P, Fitch and Moody's for our senior unsecured long-term debt. Based on our current credit ratings, the margins for base rate borrowings, Eurodollar borrowings and letters of credit were 0.125%, 1.125% and 1.125%, respectively, at December 31, 2021. Based on our credit ratings, a 0.175% commitment fee was charged on the unused amount at December 31, 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have a $750 million, unsecured CP Program that is backstopped by the Revolving Credit Facility. Amounts outstanding under the Revolving Credit Facility and the CP Program, either individually or in the aggregate, cannot exceed $750 million. The notes issued under the CP Program may have maturities not to exceed 397 days from the date of issuance and bear interest (or are sold at par less a discount representing an interest factor) based on, among other things, the size and maturity date of the note, the frequency of the issuance and our credit ratings. Under the CP Program, any borrowings rank equally with our unsecured debt. Notes under the CP Program are not registered and are offered and issued pursuant to a registration exemption.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our net short-term borrowings (payments) during 2021 were $186 million. As of December 31, 2021, the weighted average interest rate on short-term borrowings was 0.30%.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Total accumulated deferred financing costs on the Revolving Credit Facility of $8.9 million are being amortized over its estimated useful life and were included in Interest expense on the accompanying Consolidated Statements of Income. See below for additional details.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Term Loan</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On February 24, 2021, we entered into a nine-month, $800&#160;million unsecured term loan to provide additional liquidity and to meet our cash needs related to the incremental fuel, purchased power and natural gas costs from Winter Storm Uri. The term loan, carried no prepayment penalty and was subject to the same covenant requirements as our Revolving Credit Facility. We repaid $200&#160;million of this term loan in the first quarter of 2021. Proceeds from the August 26, 2021 public debt offering (discussed below) were used to repay the remaining balance on this term loan.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Long-term debt</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Long-term debt outstanding was as follows (dollars in thousands):</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:42.970%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.469%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.784%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.637%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.640%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest Rate at</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Balance Outstanding</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Due Date</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline">Corporate</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes due 2023</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">November 30, 2023</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4.25%</span></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">525,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">525,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes due 2024</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">August 23, 2024</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1.04%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">600,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes due 2026</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">January 15, 2026</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3.95%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes due 2027</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">January 15, 2027</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3.15%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">400,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">400,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes, due 2029</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">October 15, 2029</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3.05%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">400,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">400,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes, due 2030</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">June 15, 2030</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2.50%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">400,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">400,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes due 2033</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">May 1, 2033</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4.35%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">400,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">400,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes, due 2046</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">September 15, 2046</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4.20%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes, due 2049</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">October 15, 2049</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3.88%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Corporate term loan due 2021</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">June 7, 2021</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,436&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Corporate debt</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,625,000&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,026,436&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Less unamortized debt discount</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(6,125)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(7,013)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Corporate debt, net</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,618,875&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,019,423&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline">South Dakota Electric</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">First Mortgage Bonds due 2032</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">August 15, 2032</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">7.23%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">75,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">75,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">First Mortgage Bonds due 2039</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">November 1, 2039</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6.13%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">180,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">180,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">First Mortgage Bonds due 2044</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">October 20, 2044</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4.43%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">85,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">85,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total South Dakota Electric debt</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">340,000&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">340,000&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Less unamortized debt discount</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(74)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(78)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total South Dakota Electric debt, net</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">339,926&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">339,922&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline">Wyoming Electric</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Industrial development revenue bonds due 2021</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">September 1, 2021</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">7,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Industrial development revenue bonds due 2027</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(a) (b)</span></div></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">March 1, 2027</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">0.15%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">10,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">10,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">First Mortgage Bonds due 2037</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">November 20, 2037</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6.67%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">110,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">110,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">First Mortgage Bonds due 2044</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">October 20, 2044</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4.53%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">75,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">75,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Wyoming Electric debt</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">195,000&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">202,000&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Less unamortized debt discount</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Wyoming Electric debt, net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">195,000&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">202,000&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:5pt"><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total long-term debt</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4,153,801&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,561,345&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Less current maturities</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,436&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Less unamortized deferred financing costs </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(c)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">26,878&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">24,809&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Long-term debt, net of current maturities and deferred financing costs</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4,126,923&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,528,100&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Variable interest rate.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;A reimbursement agreement is in place with Wells Fargo on behalf of Wyoming Electric for the 2009A bonds of $10 million due March 1, 2027. In the case of default, we hold the assumption of liability for drawings on Wyoming Electric&#8217;s Letter of Credit attached to these bonds.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;Includes deferred financing costs associated with our Revolving Credit Facility of $2.5 million and $1.0 million as of December 31, 2021 and December 31, 2020, respectively.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Scheduled maturities of long-term debt, excluding amortization of premiums or discounts, for future years are (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:38.888%"><tr><td style="width:1.0%"/><td style="width:48.900%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:48.900%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">525,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2024</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">600,000&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2025</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2026</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Thereafter</span></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,735,000&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our debt securities contain certain restrictive financial covenants, all of which the Company and its subsidiaries were in compliance with at December 31, 2021. See below for additional information.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Substantially all of the tangible utility property of South Dakota Electric and Wyoming Electric is subject to the lien of indentures securing their first mortgage bonds. First mortgage bonds of South Dakota Electric and Wyoming Electric may be issued in amounts limited by property, earnings and other provisions of the mortgage indentures.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Amortization of Deferred Financing Costs</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our deferred financing costs and associated amortization expense included in Interest expense on the accompanying Consolidated Statements of Income were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:42.174%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:2.993%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.443%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.443%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.447%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred Financing Costs Remaining at</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amortization Expense for the years ended December 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">26,878&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,769&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,272&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,242&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Debt Transactions</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On August 26, 2021, we completed a public debt offering which consisted of $600&#160;million, 1.037% three-year senior unsecured notes due August 23, 2024. The notes include an optional redemption provision and may be redeemed, in whole or in part, without premium, on or after February 23, 2022. The proceeds from the offering, which were net of $3.7&#160;million of deferred financing costs, were used to repay amounts outstanding under our term loan entered into on February 24, 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On June 17, 2020, we completed a public debt offering which consisted of $400&#160;million of 2.50% 10-year senior unsecured notes due June 15, 2030. The proceeds were used to repay short-term debt and for working capital and general corporate purposes.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Debt Covenants</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Revolving Credit Facility</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Under our Revolving Credit Facility, we are required to maintain a Consolidated Indebtedness to Capitalization Ratio not to exceed 0.65 to 1.00.&#160;Subject to applicable cure periods, a violation of any of these covenants would constitute an event of default that entitles the lenders to terminate their remaining commitments and accelerate all principal and interest outstanding.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We were in compliance with our covenants at December 31, 2021 as shown below:</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:54.097%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:21.886%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.824%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.709%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.884%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2021</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Covenant Requirement</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Consolidated Indebtedness to Capitalization Ratio</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">62.1%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less than</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">65%</span></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Wyoming Electric</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Covenants within Wyoming Electric's financing agreements require Wyoming Electric to maintain a debt to capitalization ratio of no more than 0.60 to 1.00. As of December 31, 2021, we were in compliance with these financial covenants.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Dividend Restrictions</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Revolving Credit Facility and other debt obligations contain restrictions on the payment of cash dividends when a default or event of default occurs.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Due to our holding company structure, substantially all of our operating cash flows are provided by dividends paid or distributions made by our subsidiaries. The cash to pay dividends to our shareholders is derived from these cash flows. As a result, certain statutory limitations or regulatory or financing agreements could affect the levels of distributions allowed to be made by our subsidiaries.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Utilities are generally limited to the amount of dividends allowed to be paid to our utility holding company under the Federal Power Act and settlement agreements with state regulatory jurisdictions. As of December 31, 2021, the amount of restricted net assets at our Utilities that may not be distributed to our utility holding company in the form of a loan or dividend was approximately $155 million.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">South Dakota Electric and Wyoming Electric are generally limited to the amount of dividends allowed to be paid to our utility holding company under certain financing agreements.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Equity</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">At-the-Market Equity Offering Program</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On August 3, 2020, we filed a shelf registration and DRSPP with the SEC. In conjunction with these shelf filings, we renewed the ATM. The renewed ATM program, which allows us to sell shares of our common stock, is the same as the prior program other than the aggregate value increased from $300&#160;million to $400&#160;million and a forward sales option was incorporated. This forward sales option allows us to sell our shares through the ATM program at the current trading price without actually issuing any shares to satisfy the sale until a future date. Under the ATM, shares may be offered from time to time pursuant to a sales agreement dated August 3, 2020. Shares of common stock are offered pursuant to our shelf registration statement filed with the SEC.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">During the twelve months ended December 31, 2021, we issued a total of 1,812,197 shares of common stock under the ATM for $119&#160;million, net of $1.1&#160;million in issuance costs. We did not issue any shares of common stock under the ATM during the twelve months ended December 31, 2020. During the twelve months ended December 31, 2019, we issued a total of 1,328,332 shares of common stock under the ATM for $99 million, net of $1.2 million in issuance costs.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">February 2020 Equity Issuance</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On February&#160;27, 2020, we issued 1.2&#160;million shares of common stock to a single investor through an underwritten registered transaction at a price of $81.77 per share for proceeds of $99&#160;million, net of $1.0&#160;million of issuance costs. The shares of common stock were offered pursuant to our shelf registration statement filed with the SEC.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Shareholder Dividend Reinvestment and Stock Purchase Plan</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have a DRSPP under which shareholders may purchase additional shares of common stock through dividend reinvestment and/or optional cash payments at 100% of the recent average market price. We have the option of issuing new shares or purchasing the shares on the open market. We issued new shares until March 1, 2018, after which we began purchasing shares on the open market. At December 31, 2021, there were 116,306 shares of unissued stock available for future offering under the DRSPP.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Preferred Stock</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our articles of incorporation authorize the issuance of 25 million shares of preferred stock of which we had no shares of preferred stock outstanding as of December 31, 2021 and 2020.</span></div><span></span>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333935938952">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Risk Management And Derivatives:<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract', window );"><strong>Derivative Instruments and Hedging Activities Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock', window );">Risk Management And Derivatives</a></td>
<td class="text">RISK MANAGEMENT AND DERIVATIVES<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Market and Credit Risk Disclosures</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our activities in the energy industry expose us to a number of risks in the normal operations of our businesses. Depending on the activity, we are exposed to varying degrees of market risk and credit risk. To manage and mitigate these identified risks, we have adopted the Black Hills Corporation Risk Policies and Procedures. Valuation methodologies for our derivatives are detailed within </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_172" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 1</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Market Risk</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Market risk is the potential loss that may occur as a result of an adverse change in market price, rate or supply. We are exposed, but not limited to, the following market risks:</span></div><div><span><br/></span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Commodity price risk associated with our retail natural gas and wholesale electric power marketing activities and our fuel procurement for several of our gas-fired generation assets, which include market fluctuations due to unpredictable factors such as the COVID-19 pandemic, weather (Winter Storm Uri), market speculation, inflation, pipeline constraints, and other factors that may impact natural gas and electric supply and demand; and</span></div><div><span><br/></span></div><div style="padding-left:27pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Interest rate risk associated with future debt, including reduced access to liquidity during periods of extreme capital markets volatility, such as the 2008 financial crisis and the COVID-19 pandemic.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Credit Risk</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Credit risk is the risk of financial loss resulting from non-performance of contractual obligations by a counterparty.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We attempt to mitigate our credit exposure by conducting business primarily with high credit quality entities, setting tenor and credit limits commensurate with counterparty financial strength, obtaining master netting agreements and mitigating credit exposure with less creditworthy counterparties through parental guarantees, cash collateral requirements, letters of credit and other security agreements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We perform ongoing credit evaluations of our customers and adjust credit limits based upon payment history and the customer&#8217;s current creditworthiness, as determined by review of their current credit information. We maintain a provision for estimated credit losses based upon historical experience, changes in current market conditions, expected losses and any specific customer collection issue that is identified. Our credit exposure at December 31, 2021 was concentrated primarily among retail utility customers, investment grade companies, cooperative utilities and federal agencies.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Derivatives and Hedging Activity</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our derivative and hedging activities included in the accompanying Consolidated Balance Sheets, Consolidated Statements of Income and Consolidated Statements of Comprehensive Income (Loss) are detailed below and within </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_205" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 10</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The operations of our Utilities, including natural gas sold by our Gas Utilities and natural gas used by our Electric Utilities&#8217; generation plants or those plants under PPAs where our Electric Utilities must provide the generation fuel (tolling agreements), expose our utility customers to natural gas price volatility. Therefore, as allowed or required by state utility commissions, we have entered into commission approved hedging programs utilizing natural gas futures, options, over-the-counter swaps and basis swaps to reduce our customers&#8217; underlying exposure to these fluctuations. These transactions are considered derivatives, and in accordance with accounting standards for derivatives and hedging, mark-to-market adjustments are recorded as Derivative assets or Derivative liabilities on the accompanying Consolidated Balance Sheets, net of balance sheet offsetting as permitted by GAAP.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">For our regulated Utilities&#8217; hedging plans, unrealized and realized gains and losses, as well as option premiums and commissions on these transactions are recorded as Regulatory assets or Regulatory liabilities in the accompanying Consolidated Balance Sheets in accordance with state regulatory commission guidelines. When the related costs are recovered through our rates, the hedging activity is recognized in the Consolidated Statements of Income.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We periodically have wholesale power purchase and sale contracts used to manage purchased power costs and load requirements associated with serving our electric customers that are considered derivative instruments due to not qualifying for the normal purchase and normal sales exception to derivative accounting. Changes in the fair value of these commodity derivatives are recognized in the Consolidated Statements of Income.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We buy, sell and deliver natural gas at competitive prices by managing commodity price risk. As a result of these activities, this area of our business is exposed to risks associated with changes in the market price of natural gas. We manage our exposure to such risks using over-the-counter and exchange traded options and swaps with counterparties in anticipation of forecasted purchases and sales during time frames ranging from January 2022 through October 2024. A portion of our over-the-counter swaps have been designated as cash flow hedges to mitigate the commodity price risk associated with deliveries under fixed price forward contracts to deliver gas to our Choice Gas Program customers. The gain or loss on these designated derivatives is reported in AOCI in the accompanying Consolidated Balance Sheets and reclassified into earnings in the same period that the underlying hedged item is recognized in earnings. Effectiveness of our hedging position is evaluated at least quarterly.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The contract or notional amounts and terms of the natural gas derivative commodity instruments held by our utilities are comprised of both short and long positions. We had the following net long positions as of:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:40.334%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.541%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.541%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.541%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.543%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Notional (MMBtus)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum Term (months) </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Notional (MMBtus)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum Term (months) </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas futures purchased</span></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">590,000&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">620,000&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas options purchased, net</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,100,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,160,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas basis swaps purchased</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">870,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">900,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas over-the-counter swaps, net </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,570,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">34</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,850,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas physical commitments, net </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16,416,677&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17,513,061&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">22</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric wholesale contracts</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (c)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">219,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12</span></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Term reflects the maximum forward period hedged.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;As of December 31, 2021, 1,830,000 of natural gas over-the-counter swaps purchased were designated as cash flow hedges.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;Volumes exclude derivative contracts that qualify for the normal purchase, normal sales exception permitted by GAAP.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have certain derivative contracts which contain credit provisions. These credit provisions may require the Company to post collateral when credit exposure to the Company is in excess of a negotiated line of unsecured credit. At December 31, 2021, the Company posted $2.1&#160;million related to such provisions, which is included in Other current assets on the Consolidated Balance Sheets.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Derivatives by Balance Sheet Classification</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As required by accounting standards for derivatives and hedges, fair values within the following tables are presented on a gross basis aside from the netting of asset and liability positions. Netting of positions is permitted in accordance with accounting standards for offsetting and under terms of our master netting agreements that allow us to settle positive and negative positions.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following tables present the fair value and balance sheet classification of our derivative instruments as of December 31, (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"/><td style="width:34.090%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:32.917%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.295%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.298%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance Sheet Location</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivatives designated as hedges:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Asset derivative instruments:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current commodity derivatives</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivative assets - current</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,017&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">181&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Noncurrent commodity derivatives</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other assets, non-current</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">18&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">43&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liability derivative instruments:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current commodity derivatives</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivative liabilities - current</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(108)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total derivatives designated as hedges</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,035&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">116&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivatives not designated as hedges:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Asset derivative instruments:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current commodity derivatives</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivative assets - current</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,356&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,667&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Noncurrent commodity derivatives</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other assets, non-current</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">804&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">151&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liability derivative instruments:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current commodity derivatives</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivative liabilities - current</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,439)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,936)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Noncurrent commodity derivatives</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other deferred credits and other liabilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(20)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total derivatives not designated as hedges</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,701&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(118)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Derivatives Designated as Hedge Instruments</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The impact of cash flow hedges on our Consolidated Statements of Income is presented below for the years ended December 31, 2021, 2020 and 2019. Note that this presentation does not reflect the gains or losses arising from the underlying physical transactions; therefore, it is not indicative of the economic profit or loss we realized when the underlying physical and financial transactions were settled.</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:22.730%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.671%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.525%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.525%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:22.730%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.671%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.671%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.677%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivatives in Cash Flow Hedging Relationships</span></td><td colspan="9" style="border-bottom:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amount of Gain/(Loss) Recognized in OCI</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income Statement Location</span></td><td colspan="9" style="border-bottom:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amount of Gain/(Loss) Reclassified from AOCI into Income </span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest rate swaps</span></td><td style="background-color:#cfffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cfffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,851&#160;</span></td><td style="background-color:#cfffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,851&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,851&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest expense</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,851)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,851)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,851)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,952&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">540&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(965)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,051&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(601)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">417&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total </span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,803&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,391&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,886&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(800)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3,452)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,434)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, $0.9&#160;million of net losses related to our interest rate swaps and commodity derivatives are expected to be reclassified from AOCI into earnings within the next 12 months. As market prices fluctuate, estimated and actual realized gains or losses will change during future periods.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Derivatives Not Designated as Hedge Instruments</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table summarizes the impacts of derivative instruments not designated as hedge instruments on our Consolidated Statements of Income for the years ended December 31, 2021, 2020 and 2019. Note that this presentation does not reflect the expected gains or losses arising from the underlying physical transactions; therefore, it is not indicative of the economic gross profit we realized when the underlying physical and financial transactions were settled.</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:30.040%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:38.373%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.695%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.695%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.697%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivatives Not Designated as Hedging Instruments</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income Statement Location</span></td><td colspan="9" style="border-bottom:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amount of Gain/(Loss) on Derivatives Recognized in Income</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Electric</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(144)</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">144&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Natural Gas</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,599&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,640&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,100)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,455&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,784&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,100)</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As discussed above, financial instruments used in our regulated Gas Utilities are not designated as cash flow hedges. However, there is no earnings impact because the unrealized gains and losses arising from the use of these financial instruments are recorded as Regulatory assets or Regulatory liabilities. The net unrealized losses included in our Regulatory assets or Regulatory liability accounts related to these financial instruments in our Gas Utilities were $2.6 million and $2.2 million at December 31, 2021 and 2020, respectively. For our Electric Utilities, the unrealized gains and losses arising from these derivatives are recognized in the Consolidated Statements of Income.</span></div><span></span>
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<td style="white-space:nowrap;">us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -URI http://asc.fasb.org/topic&amp;trid=2229140<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 40<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123477628&amp;loc=d3e90205-114008<br></p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333935998824">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Fair Value Measurements:<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueDisclosuresAbstract', window );"><strong>Fair Value Disclosures [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativesAndFairValueTextBlock', window );">Fair Value Measurements</a></td>
<td class="text">FAIR VALUE MEASUREMENTS<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Recurring Fair Value Measurements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Derivatives</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following tables set forth, by level within the fair value hierarchy, our gross assets and gross liabilities and related offsetting as permitted by GAAP that were accounted for at fair value on a recurring basis for derivative instruments.</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:38.227%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:2.285%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.081%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.084%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2021</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Level 2</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Level 3</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cash Collateral and Counterparty Netting</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="18" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Assets:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Gas Utilities</span></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,569&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,374)</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,195&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Electric Utilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,569&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,374)</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,195&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities:</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Gas Utilities</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,273&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,814)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,459&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Electric Utilities</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,273&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,814)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,459&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">_____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;As of December 31, 2021, $2.4&#160;million of our commodity derivative gross assets and $1.8&#160;million of our commodity derivative gross liabilities, as well as related gross collateral amounts, were subject to master netting agreements.</span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:38.227%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:2.285%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.081%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.084%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2020</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Level 2</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Level 3</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cash Collateral and Counterparty Netting</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Assets:</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Gas Utilities</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,504&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,527)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">977&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Electric Utilities</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,065&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,065&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,569&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,527)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,042&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Gas Utilities</span></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,675&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,552)</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,123&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Electric Utilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">921&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">921&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,596&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,552)</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,044&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;As of December 31, 2020, $1.5&#160;million of our commodity derivative assets and $1.6&#160;million of our commodity derivative liabilities, as well as related gross collateral amounts, were subject to master netting agreements.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Pension and Postretirement Plan Assets</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A discussion of the fair value of our Pension and Postretirement Plan assets is included in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_214" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 13</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Nonrecurring Fair Value Measurement</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A discussion of the fair value of our investment in equity securities of a privately held oil and gas company, a Level 3 asset, is included in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_172" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 1</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Other Fair Value Measurements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The carrying amount of cash and cash equivalents, restricted cash and equivalents and short-term borrowings approximates fair value due to their liquid or short-term nature. Cash, cash equivalents and restricted cash are classified in Level 1 in the fair value hierarchy. Notes payable consist of commercial paper borrowings and are not traded on an exchange; therefore, they are classified as Level 2 in the fair value hierarchy.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table presents the carrying amounts and fair values of financial instruments not recorded at fair value on the Consolidated Balance Sheets at December 31 (in thousands):</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:40.420%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.519%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.519%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.519%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.523%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Carrying Amount</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fair Value</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Carrying Amount</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fair Value</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Long-term debt, including current maturities </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,126,923&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,570,619&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,536,536&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,208,167&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Long-term debt is valued based on observable inputs available either directly or indirectly for similar liabilities in active markets and therefore is classified in Level 2 in the fair value hierarchy. Carrying amount of long-term debt is net of deferred financing costs.</span></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for derivatives and fair value of assets and liabilities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -URI http://asc.fasb.org/topic&amp;trid=2155941<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -URI http://asc.fasb.org/topic&amp;trid=2229140<br></p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936092360">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Other Comprehensive Income:<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ComprehensiveIncomeNoteTextBlock', window );">Other Comprehensive Income</a></td>
<td class="text">OTHER COMPREHENSIVE INCOME<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We record deferred gains (losses) in AOCI related to interest rate swaps designated as cash flow hedges, commodity contracts designated as cash flow hedges and the amortization of components of our defined benefit plans. Deferred gains (losses) for our commodity contracts designated as cash flow hedges are recognized in earnings upon settlement, while deferred gains (losses) related to our interest rate swaps are recognized in earnings as they are amortized.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table details reclassifications out of AOCI and into Net income. The amounts in parentheses below indicate decreases to Net income in the Consolidated Statements of Income for the period, net of tax (in thousands):</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:41.005%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:23.461%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.566%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.568%"/><td style="width:0.1%"/></tr><tr style="height:12pt"><td colspan="3" rowspan="2" style="padding:0 1pt"/><td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Location on the Consolidated Statements of Income</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amount Reclassified from AOCI</span></td></tr><tr style="height:12pt"><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gains and (losses) on cash flow hedges:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest rate swaps</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest expense</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,851)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,851)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity contracts</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,051&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(601)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(800)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3,452)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income tax</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income tax benefit (expense)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">175&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">383&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total reclassification adjustments related to cash flow hedges, net of tax</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(625)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3,069)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of components of defined benefit plans:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Prior service cost</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Operations and maintenance</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">98&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">103&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Actuarial gain (loss)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Operations and maintenance</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,391)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,387)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,293)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,284)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income tax</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income tax benefit (expense)</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">638&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">935&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total reclassification adjustments related to defined benefit plans, net of tax</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,655)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,349)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total reclassifications</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,280)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(4,418)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Balances by classification included within AOCI, net of tax on the accompanying Consolidated Balance Sheets were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:40.481%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:17.055%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.566%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.223%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.175%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivatives Designated as Cash Flow Hedges</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest Rate Swaps</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity Derivatives</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Employee Benefit Plans</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2020</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(12,558)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,790)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(27,346)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other comprehensive income (loss) </span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">before reclassifications</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,023&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,959&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,982&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amounts reclassified from AOCI</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,174&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,549)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,655&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,280&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2021</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(10,384)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,476&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(11,176)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(20,084)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivatives Designated as Cash Flow Hedges</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest Rate Swaps</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity Derivatives</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Employee Benefit Plans</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2019</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(15,122)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(456)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(15,077)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(30,655)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other comprehensive income (loss) </span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">before reclassifications</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(47)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,062)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,109)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amounts reclassified from AOCI</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,564&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">505&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,349&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,418&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2020</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(12,558)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,790)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(27,346)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -URI http://asc.fasb.org/topic&amp;trid=2134417<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br></p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936003576">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Variable Interest Entity<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract', window );"><strong>Organization, Consolidation and Presentation of Financial Statements [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_VariableInterestEntityDisclosureTextBlock', window );">Variable Interest Entity</a></td>
<td class="text">VARIABLE INTEREST ENTITY<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Black Hills Colorado IPP owns and operates a 200 MW, combined-cycle natural gas generating facility located in Pueblo, Colorado. In 2016, Black Hills Electric Generation sold a 49.9%, non-controlling interest in Black Hills Colorado IPP to a third-party buyer. Black Hills Electric Generation is the operator of the facility, which is contracted to provide capacity and energy through 2031 to Colorado Electric.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The accounting for a partial sale of a subsidiary in which control is maintained and the subsidiary continues to be consolidated is specified under ASC 810, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Consolidation</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">. The partial sale is required to be recorded as an equity transaction with no resulting gain or loss on the sale. GAAP requires that non-controlling interests in subsidiaries and affiliates be reported in the equity section of a company&#8217;s balance sheet.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Net income available for common stock for the years ended December 31, 2021, 2020 and 2019 was reduced by $15 million,  $15 million, and $14 million, respectively, attributable to this non-controlling interest. The net income allocable to the non-controlling interest holder is based on ownership interest with the exception of certain agreed upon adjustments. Distributions of net income attributable to this non-controlling interest are due within 30 days following the end of a quarter, but may be withheld as necessary by Black Hills Electric Generation.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Black Hills Colorado IPP has been determined to be a VIE in which the Company has a variable interest. Black Hills Electric Generation has been determined to be the primary beneficiary of the VIE as Black Hills Electric Generation is the operator and manager of the generation facility and, as such, has the power to direct the activities that most significantly impact Black Hills Colorado IPP&#8217;s economic performance. Black Hills Electric Generation, as the primary beneficiary, continues to consolidate Black Hills Colorado IPP. Black Hills Colorado IPP has not received financial or other support from the Company outside of pre-existing contractual arrangements during the reporting period. Black Hills Colorado IPP does not have any debt and its cash flows from operations are sufficient to support its ongoing operations.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have recorded the following assets and liabilities on our consolidated balance sheets related to the VIE described above as of December 31 (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"/><td style="width:70.894%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.536%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.533%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.537%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Assets:</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current assets</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,220&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,604&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, plant and equipment of variable interest entities, net</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">189,079&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">190,637&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current liabilities</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,841&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,318&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for a variable interest entity (VIE), including but not limited to, judgments and assumptions in determining whether to consolidate and in identifying the primary beneficiary, gain (loss) recognized on the initial consolidation of the VIE, terms of arrangements, amounts and classification of the VIE's assets and liabilities, and the entity's maximum exposure to loss.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -URI http://asc.fasb.org/topic&amp;trid=2197479<br></p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333935966936">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Employee Benefits Plans:<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock', window );">Employee Benefit Plans</a></td>
<td class="text">EMPLOYEE BENEFIT PLANS<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Defined Contribution Plans</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We sponsor a 401(k) retirement savings plan (the 401(k) Plan). Participants in the 401(k) Plan may elect to invest a portion of their eligible compensation in the 401(k) Plan up to the maximum amounts established by the IRS. The 401(k) Plan provides employees the opportunity to invest up to 50% of their eligible compensation on a pre-tax or after-tax basis.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The 401(k) Plan provides a Company matching contribution for all eligible participants. Certain eligible participants who are not currently accruing a benefit in the Pension Plan also receive a Company retirement contribution based on the participant&#8217;s age and years of service. Vesting of all Company and matching contributions occurs at 20% per year with 100% vesting when the participant has 5 years of service with the Company.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Defined Benefit Pension Plan</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have one defined benefit pension plan, the Black Hills Retirement Plan (Pension Plan). The Pension Plan covers certain eligible employees of the Company. The benefits for the Pension Plan are based on years of service and calculations of average earnings during a specific time period prior to retirement. The Pension Plan is closed to new employees and frozen for certain employees who did not meet age and service based criteria.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Pension Plan assets are held in a Master Trust. Our Board of Directors has approved the Pension Plan&#8217;s investment policy.  The objective of the investment policy is to manage assets in such a way that will allow the eventual settlement of our obligations to the Pension Plan&#8217;s beneficiaries. To meet this objective, our pension assets are managed by an outside adviser using a portfolio strategy that will provide liquidity to meet the Pension Plan&#8217;s benefit payment obligations. The Pension Plan&#8217;s assets consist primarily of equity, fixed income and hedged investments.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The expected rate of return on the Pension Plan assets is determined by reviewing the historical and expected returns of both equity and fixed income markets, taking into account asset allocation, the correlation between asset class returns and the mix of active and passive investments. The Pension Plan utilizes a dynamic asset allocation where the target range to return-seeking and liability-hedging assets is determined based on the funded status of the Plan. As of December 31, 2021, the expected rate of return on pension plan assets was based on the targeted asset allocation range of 22%</span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">to 30% return-seeking assets and 70% to 78% liability-hedging assets.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Pension Plan is funded in compliance with the federal government&#8217;s funding requirements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Plan Assets</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The percentages of total plan asset by investment category for our Pension Plan at December 31 were as follows:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:32.379%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:32.233%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:32.088%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Equity</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Real estate</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fixed income</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">74</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">69</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cash</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Hedge funds</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Supplemental Non-qualified Defined Benefit Plans</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have various supplemental retirement plans for key executives of the Company. The plans are non-qualified defined benefit and defined contribution plans (Supplemental Plans). The Supplemental Plans are subject to various vesting schedules and are funded on a cash basis as benefits are paid.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">BHC sponsors a retiree healthcare plan (Healthcare Plan) for employees who meet certain age and service requirements at retirement. Healthcare Plan benefits are subject to premiums, deductibles, co-payment provisions and other limitations. A portion of the Healthcare Plan for participating business units are pre-funded via VEBA trusts. Pre-65 retirees as well as a grandfathered group of post-65 retirees receive their retiree medical benefits through the Black Hills self-insured retiree medical plans.  Healthcare coverage for post-65 Medicare-eligible retirees is provided through an individual market healthcare exchange.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We fund the Healthcare Plan on a cash basis as benefits are paid. The Healthcare Plan provides for partial pre-funding via VEBA trusts. Assets related to this pre-funding are held in trust and are for the benefit of the union and non-union employees located in the states of Arkansas, Iowa and Kansas. We do not pre-fund the Healthcare Plan for those employees outside Arkansas, Iowa and Kansas.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Plan Contributions</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Contributions to the Pension Plan are cash contributions made directly to the Master Trust. Healthcare and Supplemental Plan contributions are made in the form of benefit payments. Healthcare benefits include company and participant paid premiums. Contributions for the years ended December 31 were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:69.617%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.541%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.542%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Defined Contribution Plan</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Company retirement contributions</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11,332&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10,455&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Company matching contributions</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15,938&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15,240&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:69.617%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.541%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.542%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Defined Benefit Plans</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit Pension Plan</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12,700&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-Pension Defined Benefit Postretirement Healthcare Plan</span></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,432&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,058&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental Non-Qualified Defined Benefit Plans</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,576&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,674&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">While we do not have required contributions, we expect to make $3.9 million in contributions to our Pension Plan in 2022.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Fair Value Measurements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following tables set forth, by level within the fair value hierarchy, the assets that were accounted for at fair value on a recurring basis (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"/><td style="width:33.064%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.021%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Pension Plan</span></td><td colspan="33" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2021</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 2</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 3</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments Measured at Fair Value</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">NAV </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Collective Trust - Cash and Cash Equivalents</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6,009&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6,009&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6,009&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Collective Trust - Equity</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">70,262&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">70,262&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">70,262&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Collective Trust - Fixed Income</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">339,219&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">339,219&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">339,219&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Collective Trust - Real Estate</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">30,407&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">30,407&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Hedge Funds</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">12,490&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">12,490&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total investments measured at fair value</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">415,490&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">415,490&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">42,897&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">458,387&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"/><td style="width:33.064%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.021%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Pension Plan</span></td><td colspan="33" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 2</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 3</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments Measured at Fair Value</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">NAV </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Collective Trust - Cash and Cash Equivalents</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">16,810&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">16,810&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">16,810&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Collective Trust - Equity</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">100,311&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">100,311&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">100,311&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Collective Trust - Fixed Income</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">324,845&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">324,845&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">324,845&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Collective Trust - Real Estate</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">14,301&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">14,301&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Hedge Funds</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">17,454&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">17,454&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total investments measured at fair value</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">441,966&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">441,966&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">31,755&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">473,721&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Certain investments that are measured at fair value using NAV per share (or its equivalent) for practical expedient have not been classified in the fair value hierarchy. The fair value amounts presented in these tables for these investments are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the reconciliation of changes in the plan&#8217;s benefit obligations and fair value of plan assets above.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"/><td style="width:44.207%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:9.021%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td><td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2021</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 2</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 3</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments Measured at Fair Value</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Cash and Cash Equivalents</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">7,972&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">7,972&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">7,972&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total investments measured at fair value</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">7,972&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">7,972&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">7,972&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"/><td style="width:44.207%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:9.021%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td><td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 2</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 3</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments Measured at Fair Value</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Cash and Cash Equivalents</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,165&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,165&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,165&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total investments measured at fair value</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,165&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,165&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,165&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Additional information about assets of the benefit plans, including methods and assumptions used to estimate the fair value of these assets, is as follows:</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Pension Plan</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Common Collective Trust Funds: </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">These funds are valued based upon the redemption price of units held by the Pension Plan, which is based on the current fair value of the common collective trust funds&#8217; underlying assets. Unit values are determined by the financial institution sponsoring such funds by dividing the fund&#8217;s net assets at fair value by its units outstanding at the valuation dates. The Pension Plan&#8217;s investments in common collective trust funds, with the exception of shares of the common collective trust-real estate are categorized as Level 2.</span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Common Collective Trust-Real Estate Funds</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">: These funds are valued based on various factors of the underlying real estate properties, including market rent, market rent growth, occupancy levels, etc. As part of the trustee&#8217;s valuation process, properties are externally appraised generally on an annual basis. The appraisals are conducted by reputable independent appraisal firms and signed by appraisers that are members of the Appraisal Institute, with professional designation of Member, Appraisal Institute. All external appraisals are performed in accordance with the Uniform Standards of Professional Appraisal Practices.  We receive monthly statements from the trustee, along with the annual schedule of investments and rely on these reports for pricing the units of the fund. Some of the funds without participant withdrawal limitations are categorized as Level 2.</span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following investments are measured at NAV and are not classified in the fair value hierarchy, in accordance with accounting guidance:</span></div><div style="margin-bottom:10pt;padding-left:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Common Collective Trust-Real Estate Fund</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">: This is the same fund as above except that certain of the funds&#8217; assets contain participant withdrawal policies with restrictions on redemption and are therefore not included in the fair value hierarchy.</span></div><div style="margin-bottom:10pt;padding-left:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Hedge Funds: </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">These funds represent investments in other investment funds that seek a return utilizing a number of diverse investment strategies. The strategies, when combined, aim to reduce volatility and risk while attempting to deliver positive returns under all market conditions. Amounts are reported on a one-month lag. The fair value of hedge funds is determined using net asset value per share based on the fair value of the hedge fund&#8217;s underlying investments. 10% of the shares may be redeemed at the end of each month with a 15-day notice and full redemptions are available at the end of each quarter with 60-day notice and is limited to a percentage of the total net assets value of the fund. The net asset values are based on the fair value of each fund&#8217;s underlying investments. There are no unfunded commitments related to these hedge funds.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Non-pension Defined Benefit Postretirement Healthcare Plan</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Cash and Cash Equivalents:</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> This represents an investment in Northern Institutional Government Assets Portfolio, which is a government money market fund. As shares held reflect quoted prices in an active market, they are categorized as Level 1.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Other Plan Information</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following tables provide a reconciliation of the employee benefit plan obligations and fair value of employee benefit plan assets, amounts recognized in the Consolidated Balance Sheets, accumulated benefit obligation, and reconciliation of components of the net periodic expense and elements of AOCI (in thousands):</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Employee Benefit Plan Obligations</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:38.081%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.256%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.256%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.402%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.701%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit Pension Plan</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental Non-qualified Defined <br/>Benefit Plans</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Change in benefit obligation:</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Projected benefit obligation at beginning of year</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">514,008&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">485,376&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">55,054&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">54,088&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">70,238&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">65,277&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Service cost </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,038&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,411&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,149&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,579&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,237&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,056&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest cost</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,313&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,426&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">706&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,099&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,058&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,649&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Actuarial (gain) loss</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,037)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">47,064&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,073)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">962&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(5,165)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,804&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amendments</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(561)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Benefits paid </span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(35,499)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(37,269)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,576)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,674)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6,432)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6,058)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Plan participants&#8217; contributions</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,548&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,510&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Projected benefit obligation at end of year</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">478,262&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">514,008&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">55,260&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">55,054&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">63,484&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">70,238&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;For the year ended December 31, 2020, Service Cost for the Supplemental Non-qualified Defined Benefit Plans includes a $1.4&#160;million correction of a prior year overstatement of Projected benefit obligation.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Fair Value Employee Benefit Plan Assets</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:38.081%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.256%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.256%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.402%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.701%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental Non-qualified Defined <br/>Benefit Plans</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Change in fair value of plan assets:</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Beginning fair value of plan assets</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">473,721&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">434,284&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,165&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,305&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Investment income (loss)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">20,165&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">64,006&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(35)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">33&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Employer contributions</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12,700&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,576&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,674&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,726&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,374&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Retiree contributions</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,548&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,511&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Benefits paid</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(35,499)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(37,269)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,576)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,674)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6,432)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6,058)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Ending fair value of plan assets</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">458,387&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">473,721&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,972&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,165&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Assets of VEBA trusts.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In 2012, we froze our Pension Plan and closed it to new participants. Since then, we have implemented various de-risking strategies including lump sum buyouts, the purchase of annuities and the reduction of return-seeking assets over time to a more liability-hedged portfolio. As a result, capital markets volatility driven by the COVID-19 pandemic did not materially affect our unfunded status.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Amounts Recognized in the Consolidated Balance Sheets</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:37.788%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.402%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.402%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.402%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.702%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental<br/>Non-qualified Defined Benefit Plans</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory assets</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">67,403&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">86,677&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11,660&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16,102&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current liabilities</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,156&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,927&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,584&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,931&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-current liabilities</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">19,872&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40,287&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">53,104&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">53,127&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">50,949&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">57,142&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory liabilities</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,830&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,607&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,447&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,140&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Accumulated Benefit Obligation</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:37.788%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.402%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.402%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.402%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.702%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental<br/>Non-qualified Defined Benefit Plans</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accumulated Benefit Obligation</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">466,505&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">498,815&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">55,260&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">54,779&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">63,484&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">70,238&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Components of Net Periodic Expense</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:27.701%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.655%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Supplemental<br/>Non-qualified Defined Benefit Plans</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">For the years ended December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Service cost </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(a)</span></div></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">5,038&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">5,411&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">5,383&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,149&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,579&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4,995&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2,237&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2,056&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,815&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest cost</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">9,313&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">13,426&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">17,374&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">706&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,099&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,295&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,058&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,649&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2,247&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Expected return on assets</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(20,876)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(22,591)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(24,401)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(136)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(182)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(230)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net amortization of prior service cost</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">26&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(434)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(546)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(398)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Recognized net actuarial loss (gain)</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">7,315&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,372&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,763&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,754&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,702&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">535&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">466&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">20&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net periodic expense</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">790&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4,618&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2,145&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">5,609&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4,382&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6,827&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,191&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2,997&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,434&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;For the year ended December 31, 2020, Service Cost for the Supplemental Non-qualified Defined Benefit Plans includes a $1.4&#160;million correction of a prior year overstatement of Projected benefit obligation.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">For the years ended December 31, 2021, 2020 and 2019, Service costs were recorded in Operations and maintenance expense while non service costs were recorded in Other expense on the Consolidated Statements of Income.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">AOCI Amounts (After-Tax)</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:37.699%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.416%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.416%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.532%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.588%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.588%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.532%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.416%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.713%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental<br/>Non-qualified Defined Benefit Plans</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net (gain) loss</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,398&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,511&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,159&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,323&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(308)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Prior service cost (gain)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(46)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(27)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(144)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total amounts included in AOCI, after-tax not yet recognized as components of net periodic expense</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,352&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,511&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,159&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,323&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(335)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(44)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Assumptions</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:27.701%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.655%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental<br/>Non-qualified Defined Benefit Plans</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-average assumptions used to determine benefit obligations:</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Discount rate</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.88&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.56&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.27&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.77&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.41&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.14&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.79&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.41&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.15&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Rate of increase in compensation levels</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.08&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.34&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.49&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.00&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.00&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.00&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td></tr></table></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:27.701%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.655%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental<br/>Non-qualified Defined Benefit Plans</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-average assumptions used to determine net periodic benefit cost for plan year:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Discount rate </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.56&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.27&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.40&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.41&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.14&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.34&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.41&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.15&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.28&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Expected long-term rate of return on assets </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.50&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.25&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6.00&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1.80&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.35&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.00&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Rate of increase in compensation levels</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.34&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.49&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.52&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.00&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.00&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.00&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The estimated discount rate for the Defined Benefit Pension Plan is 2.88% for the calculation of the 2022 net periodic pension costs.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;The expected rate of return on plan assets is 4.25% for the calculation of the 2022 net periodic pension cost.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The healthcare benefit obligation at December 31 was determined as follows:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:55.917%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:20.391%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:20.392%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Trend Rate - Medical</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pre-65 for next year - All Plans</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6.05%</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6.10%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pre-65 Ultimate trend rate - Black Hills Corp</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.50%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.50%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Trend Year</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2030</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2027</span></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Post-65 for next year - All Plans</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.10%</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.92%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Post-65 Ultimate trend rate - Black Hills Corp</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.50%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.50%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Trend Year</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2030</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2029</span></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following benefit payments to employees, which reflect future service, are expected to be paid (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:22.876%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.198%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:28.285%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:24.781%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit Pension Plan</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental Non-qualified Defined Benefit Plans</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">26,249&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,156&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,806&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,133&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,224&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,334&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2024</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,683&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,410&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,042&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2025</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28,650&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,757&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,865&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2026</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28,968&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,782&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,752&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2027-2031</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">144,422&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12,553&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21,615&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for retirement benefits.</p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333935905032">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Share-based Compensation Plans:<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract', window );"><strong>Share-based Payment Arrangement [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock', window );">Share-based Compensation Plans</a></td>
<td class="text">SHARE-BASED COMPENSATION PLANS<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our 2015 Omnibus Incentive Plan allows for the granting of stock, restricted stock, restricted stock units, stock options, performance shares and performance share units. We had 416,325 shares available to grant at December 31, 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Compensation expense is determined using the grant date fair value estimated in accordance with the provisions of accounting standards for stock compensation and is recognized over the vesting periods of the individual awards. As of December 31, 2021, total unrecognized compensation expense related to non-vested stock awards was approximately $14 million and is expected to be recognized over a weighted-average period of two years. Stock-based compensation expense, which is included in Operations and maintenance on the accompanying Consolidated Statements of Income, was as follows for the years ended December 31 (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:56.733%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.955%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.955%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.957%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Stock-based compensation expense</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,655&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,373&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12,095&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Restricted Stock</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The fair value of restricted stock and restricted stock unit awards equals the market price of our stock on the date of grant.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The shares carry a restriction on the ability to sell the shares until the shares vest. The shares substantially vest over three years, contingent on continued employment. Compensation expense related to the awards is recognized over the vesting period.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A summary of the status of the restricted stock and restricted stock units at December 31, 2021, was as follows:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:59.661%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.469%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:20.570%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Restricted Stock</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-Average Grant Date Fair Value</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance at January 1, 2021</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">196&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">69.05&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Granted</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">118&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">65.64&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Vested</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(83)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">67.85&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Forfeited</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(12)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">69.59&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance at December 31, 2021</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">219&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">67.64&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The weighted-average grant-date fair value of restricted stock granted and the total fair value of shares vested during the years ended December 31, were as follows:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"/><td style="width:59.897%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.401%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.402%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-Average Grant Date Fair Value</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Fair Value of Shares Vested</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">65.64&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,400&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">69.49&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,722&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">73.66&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,438&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, there was $11 million of unrecognized compensation expense related to non-vested restricted stock that is expected to be recognized over a weighted-average period of 2.2 years.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Performance Share Plan</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Prior to 2021, certain officers of the Company and its subsidiaries became participants in a market-based performance share award plan. Performance shares are awarded based on our total shareholder return over designated performance periods as measured against a selected peer group. In addition, certain stock price performance must be achieved for a payout to occur. The final value of the performance shares will vary according to the number of shares of common stock that are ultimately granted based upon the actual level of attainment of the performance criteria.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">These performance awards are paid 50% in cash and 50% in common stock. The cash portion accrued is classified as a liability and the stock portion is classified as equity. In the event of a change-in-control, performance awards are paid 100% in cash. If it is determined that a change-in-control is probable, the equity portion of $2.1 million at December 31, 2021 would be reclassified as a liability.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The outstanding performance periods at December 31, 2021 were as follows (shares in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:19.514%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:30.478%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:19.806%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.350%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.352%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Possible Payout Range of Target</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Grant Date</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Period</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Target Grant of Shares</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Minimum</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2020</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2020 - December 31, 2022</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">36</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">200%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2019</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2019 - December 31, 2021</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">36</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">200%</span></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A summary of the status of the Performance Share Plan at December 31, 2021 was as follows:</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:40.420%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.326%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.835%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.423%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Equity Portion</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liability Portion</span></td></tr><tr style="height:24pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-Average Grant Date Fair Value</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-Average Fair Value at</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Shares</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Shares</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Shares balance at beginning of period</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">61&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">69.71&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">61&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Granted</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Forfeited</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Vested</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(25)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">61.82&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(25)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Shares balance at end of period</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">36&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">68.14&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">36&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">31.51&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The grant date fair values for the performance shares granted in 2020 and 2019 were determined by Monte Carlo simulation using a blended volatility of 18% and 21%, respectively, comprised of 50% historical volatility and 50% implied volatility and the average risk-free interest rate of the three-year United States Treasury security rate in effect as of the grant date.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The weighted-average grant-date fair value of performance share awards granted was as follows in the years ended:</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:74.777%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:23.023%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Grant Date Fair Value</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">81.42&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2019</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">68.72&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Performance plan payouts have been as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:50.215%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.595%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.595%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.595%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.500%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Period</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Year Paid</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Stock Issued</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cash Paid</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Intrinsic Value</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2018 to December 31, 2020</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,647&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,294&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2017 to December 31, 2019</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">14&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,100&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,199&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2016 to December 31, 2018</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">44&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,860&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,720&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On January 25, 2022, the Compensation Committee of our Board of Directors determined that the Company&#8217;s total shareholder return for the January 1, 2018 to December 31, 2020 performance period was at the 30th percentile of its peer group and confirmed a payout equal to 40.17% of target shares, valued at $1.0 million. The payout was fully accrued at December&#160;31, 2021.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Performance Share Units</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Beginning in 2021, certain officers of the Company, and its subsidiaries, were granted performance share units which have a three-year vesting period, do not have voting rights until vested, and are subject to three specified conditions. A market condition of relative total shareholder return, and two equally weighted performance metrics of average earnings per share and the average cost to serve. The units are paid 100% in common stock should conditions be met and can range from 0% to 200% of the target award. Dividend equivalents are accrued during the vesting period and paid out based on the final number of shares awarded. In the event of participant&#8217;s death or retirement at age 55 or older, awarded vest on a pro-rata basis over the three-year period.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Performance Share Units - Market Condition</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The fair value of each share unit is based on the Company&#8217;&#8217;s closing price at December 31 of the year prior to the award and a Monte Carlo simulation. The Monte Carlo simulation is used to estimate expected share payout based on the Company&#8217;s TSR for a three-year performance period relative to the designated peer group beginning January 1 of the award year.</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:72.730%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:1.700%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.036%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fair value of share units award</span></td><td colspan="9" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$64.97</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Three-year risk-free rate</span></td><td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0.17%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Corporation&#8217;s common stock volatility</span></td><td colspan="9" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">33%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Volatility range for the peer group</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">25&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">76%</span></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Performance Share Units - Performance Condition</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A performance condition share unit vests at the end of the three-year performance period if the specified performance conditions are achieved. The conditions are based on the Company&#8217;s average earnings per share and the average cost to serve. The grant-date fair value for an individual outcome of a performance condition is determined by the closing common share price on the grant date.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table summarizes the performance share unit activity for the year ended December&#160;31, 2021:</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:40.420%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.326%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.835%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.423%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Share Units - <br/>Market Condition</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Share Units - <br/>Performance Condition</span></td></tr><tr style="height:24pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Share Units</span></td><td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-Average Fair Value per Share Unit</span></td><td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Share Units</span></td><td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-Average Fair Value per Share Unit</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nonvested at January 1, 2021</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Granted</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32,903&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">64.97&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21,948&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">61.45&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nonvested at December 31, 2021</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32,903&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">64.97&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21,948&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">61.45&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, there was $2.9 million of unrecognized compensation expense related to outstanding performance share/unit plans that is expected to be recognized over a weighted-average period of 1.8 years.</span></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -URI http://asc.fasb.org/topic&amp;trid=2228938<br></p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333939179624">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes:<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureTextBlock', window );">Income Taxes</a></td>
<td class="text">INCOME TAXES<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Winter Storm Uri</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As discussed in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_175" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> above, our Utilities submitted cost recovery applications which seek to recover incremental costs from Winter Storm Uri through a regulatory mechanism. We expect to recover these costs from customers over several years. Winter Storm Uri costs, which will be deductible in our 2021 tax return, created a net deferred tax liability which had a balance of $124&#160;million as of December 31, 2021. The deferred tax liability will reverse with the same timing as the costs are recovered from our customers.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The income tax deduction recognized from Winter Storm Uri will create a $509&#160;million NOL in our 2021 federal income tax return and a $375&#160;million NOL in our state income tax returns. Our federal NOL carryforwards related to Winter Storm Uri and other recent adjustments no longer expire due to the TCJA; however, our state NOL carryforwards expire at various dates from 2022 to 2041. We do not anticipate material changes to our valuation allowance against the state NOL carryforwards from Winter Storm Uri. Therefore, we did not record an additional valuation allowance against the state NOL carryforwards as of December 31, 2021.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">CARES Act</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On March 27, 2020, President Trump signed the CARES Act, which contained, in part, an allowance for deferral of the employer portion of Social Security employment tax liabilities until 2021 and 2022, as well as a COVID-19 employee retention tax credit of up to $5,000 per eligible employee.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">During the year ended December 31, 2020, we utilized the payroll tax deferral provision which allowed us to defer payment of approximately $10&#160;million of Social Security employment tax liabilities, of which $4.8&#160;million was subsequently paid in 2021 and the remaining portion will be paid in 2022. During the year ended December 31, 2021, we completed our study of the CARES Act employee retention tax credits and recognized $1.2&#160;million of gross payroll tax credits.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">TCJA</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">On December 22, 2017, the U.S. government enacted comprehensive tax legislation commonly referred to as the TCJA. The TCJA reduced the U.S. federal corporate tax rate from 35% to 21%. As such, the Company remeasured the deferred income taxes at the 21% federal tax rate as of December 31, 2017. The entities subject to regulatory construct have made their best estimate regarding the probability of settlements of net regulatory liabilities established pursuant to the TCJA. The amount of the settlements may change based on decisions and actions by the federal and state utility commissions, which could have a material impact on the Company&#8217;s future results of operations, cash flows or financial position. A majority of the excess deferred taxes are subject to the average rate assumption method, as prescribed by the IRS, and will generally be amortized as a reduction of customer rates over the remaining lives of the related assets. As of December 31, 2021, the Company has amortized, or provided bill credits for, $23 million of the regulatory liability. The portion that was eligible for amortization under the average rate assumption method in 2021 but is awaiting resolution of the treatment of these amounts in future regulatory proceedings has not been recognized, and may be refunded in customer rates at any time in accordance with the resolution of pending or future regulatory proceedings.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Income Tax Expense (Benefit)</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Income tax expense (benefit) from continuing operations for the years ended December 31 was (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:58.110%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.498%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current:</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Federal</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">574&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6,020)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(8,578)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(666)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">847&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">138&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current income tax (benefit)</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(92)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(5,173)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(8,440)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Federal</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,170&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">35,672&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">34,551&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,091&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,419&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,469&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred income tax expense</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,261&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">38,091&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">38,020&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income tax expense</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,169&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32,918&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">29,580&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Effective Tax Rates</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The effective tax rate differs from the federal statutory rate for the years ended December 31, as follows:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:58.110%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.498%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Federal statutory rate</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21.0&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21.0&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21.0&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State income tax (net of federal tax effect)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1.2&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.4&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1.5&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-controlling interest </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1.2)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1.2)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1.2)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Tax credits</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(8.4)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(9.2)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3.9)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Flow-through adjustments</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (c)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3.2)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1.6)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2.4)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Uncertain Tax Benefits</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0.3&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1.5&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Valuation Allowance</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0.7&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other tax differences</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(0.2)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0.6&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1.6)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of excess deferred income tax expense </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(d)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3.1)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2.3)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1.2)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">TCJA bill credits </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(e)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3.6)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Effective Tax Rate</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.8&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11.9&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12.2&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The effective tax rate reflects the income attributable to the non-controlling interest in Black Hills Colorado IPP for which a tax provision was not recorded.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:115%">(b)&#160;&#160;&#160;&#160;In 2020, the Company completed a research and development study which encompassed tax years from 2013 to 2019.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;Flow-through adjustments related primarily to accounting method changes for tax purposes that allow us to take a current tax deduction for repair costs, certain indirect costs and gain deferral. We recorded a deferred income tax liability in recognition of the temporary difference created between book and tax treatment and flowed the tax benefit through to tax expense. A regulatory asset was established to reflect the recovery of future increases in taxes payable from customers as the temporary differences reverse. As a result of this regulatory treatment, we continue to record tax benefits consistent with the flow-through method.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(d)&#160;&#160;&#160;&#160;Primarily TCJA - see above.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(e)&#160;&#160;&#160;&#160;As discussed in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_175" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> above, Colorado Electric and Nebraska Gas bill credits, which represent a disposition of excess deferred income tax benefits resulting from the TCJA, were delivered to customers in 2021. These bill credits, which resulted in a reduction in revenue, were offset by a reduction in income tax expense and resulted in a minimal impact to Net income for the year ended December 31, 2021.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Deferred Tax Assets and Liabilities</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The temporary differences, which gave rise to the net deferred tax liability, for the years ended December 31 were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:60.595%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.052%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.053%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred tax assets:</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory liabilities</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">77,099&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">90,535&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State tax credits</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">23,342&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">23,339&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Federal NOL</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">227,535&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">96,155&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State NOL</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">33,639&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,914&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Partnership</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,395&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15,601&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Credit Carryovers</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">68,646&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">51,445&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other deferred tax assets</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">31,996&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40,143&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less: Valuation allowance</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,719)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(13,943)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total deferred tax assets</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">460,933&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">313,189&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred tax liabilities:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accelerated depreciation, amortization and other property-related differences</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(597,284)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(551,137)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory assets</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(124,582)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(28,007)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Goodwill</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(45,471)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(30,590)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State deferred tax liability </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(109,136)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(73,910)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other deferred tax liabilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(49,848)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(38,169)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total deferred tax liabilities</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(926,321)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(721,813)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net deferred tax liability</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(465,388)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(408,624)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Increase primarily driven by Winter Storm Uri &#8212; see above.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Net Operating Loss Carryforwards</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">At December 31, 2021, we have federal and state NOL carryforwards that will expire at various dates as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:40.481%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:2.853%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.372%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:2.853%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.759%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:5.781%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.201%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amounts</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Expiration Dates</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Federal NOL Carryforward</span></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">476,033&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">to</span></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2037</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Federal NOL Carryforward</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">607,465&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">No expiration</span></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State NOL Carryforward </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">572,203&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">to</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2041</span></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The carryforward balance is reflected on the basis of apportioned tax losses to jurisdictions imposing state income taxes.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, we had a $1.1 million valuation allowance against the state NOL carryforwards. Our 2021 analysis of the ability to utilize such NOLs resulted in no increase in the valuation allowance. If the valuation allowance is adjusted due to higher or lower than anticipated utilization of the NOLs, the offsetting amount will affect tax expense.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Unrecognized Tax Benefits</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table reconciles the total amounts of unrecognized tax benefits, without interest, at the beginning and end of the period included in Other deferred credits and other liabilities on the accompanying Consolidated Balance Sheets (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:31.794%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:21.268%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:21.268%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:21.270%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Changes in Uncertain Tax Positions:</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Beginning balance</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,383&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,165&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,583&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Additions for prior year tax positions</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">448&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,788&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">446&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Reductions for prior year tax positions</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(732)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,313)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(862)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Additions for current year tax positions</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,455&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,743&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">998&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Ending balance</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10,554&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,383&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,165&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The total amount of unrecognized tax benefits that, if recognized, would impact the effective tax rate is approximately $5.1 million.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We recognized no interest expense associated with income taxes for the years ended December 31, 2021, December 31, 2020 and December 31, 2019. We had no accrued interest (before tax effect) associated with income taxes at December 31, 2021 and December 31, 2020.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Company is subject to federal income tax as well as income tax in various state and local jurisdictions. Black Hills Gas, Inc. and subsidiaries, which filed a separate consolidated tax return from BHC and subsidiaries through March 31, 2018, is under examination by the IRS for 2014. BHC is no longer subject to examination for tax years prior to 2017.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, we do not have any tax positions for which it is reasonably possible that the total amount of unrecognized tax benefits will significantly increase or decrease on or before December 31, 2022.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">State tax credits have been generated and are available to offset future state income taxes.  At December 31, 2021, we had the following state tax credit carryforwards (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"/><td style="width:34.090%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.322%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:19.574%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:5.938%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:19.576%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State Tax Credit Carryforwards</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amounts</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Expiration Year</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">ITC</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">23,060&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">to</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2041</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Research and development</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">282&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">No expiration</span></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, we had a $13.6 million valuation allowance against the state ITC carryforwards. Our 2021 analysis of the ability to utilize such ITC resulted in a $0.8&#160;million increase in the valuation allowance, which resulted in an increase to tax expense of $0.8&#160;million. The valuation allowance adjustment was primarily attributable to changes in forecasted future state taxable income.</span></div><span></span>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333939183480">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business Segment Information:<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="text">BUSINESS SEGMENT INFORMATION<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our chief operating decision maker (CODM) reviews financial information presented on an operating segment basis for purposes of making decisions and assessing financial performance. Our CODM assesses the performance of our operating segments based on operating income.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In the prior year, we had reported four operating segments: Electric Utilities, Gas Utilities, Power Generation and Mining. In the fourth quarter of 2021, we changed our operating segments to align with the revised manner in which our CODM reviews our financial performance and allocates resources. Our power generation and mining businesses, which were previously presented as separate operating segments, are now part of our Electric Utilities segment. This change aligns with our vertically integrated business model for our Electric Utilities. Comparative periods presented reflect this change.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our operating segments are equivalent to our reportable segments.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Segment information was as follows (in thousands):</span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:71.707%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.497%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Assets (net of intercompany eliminations) as of December 31, </span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,796,662&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,602,233&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,246,370&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,376,204&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Corporate and Other</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">88,864&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">110,349&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total assets</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,131,896&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,088,786&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:58.110%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.498%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Capital Expenditures </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> for the years ended December 31, </span></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">285,770&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">288,683&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">316,687&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">383,320&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">449,209&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">512,366&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Corporate and Other</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10,500&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17,500&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">20,702&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total capital expenditures</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">679,590&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">755,392&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">849,755&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Includes accruals for property, plant and equipment as disclosed in the Supplemental Cash Flow Information to the </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_163" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline">Consolidated Statement of Cash Flows</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:38.227%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.037%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Consolidating Income Statement</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Year ended December 31, 2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Corporate</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Inter-Company Eliminations</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total</span></td></tr><tr style="height:3pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="15" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Revenue -</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Contracts with customers</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">825,404&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,105,430&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,930,834&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">5,336&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">12,932&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">18,268&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">830,740&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,118,362&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,949,102&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Inter-company operating revenue -</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Contracts with customers</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">11,518&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6,110&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">196&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(17,824)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">393&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">356,151&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(356,544)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">11,518&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6,503&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">356,347&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(374,368)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total revenue</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">842,258&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,124,865&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">356,347&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(374,368)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,949,102&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">248,018&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">494,738&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">96&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(918)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">741,934&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operations and maintenance, including taxes</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">260,036&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">314,810&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">293,265&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(306,325)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">561,786&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Depreciation, depletion and amortization</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">131,528&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">104,160&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">26,838&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(26,573)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">235,953&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operating income (loss)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">202,676&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">211,157&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">36,148&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(40,552)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">409,429&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest expense, net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(152,404)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Impairment of investment</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other income (expense), net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,404&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Income tax benefit (expense)</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(7,169)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">251,260&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income attributable to non-controlling interest</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(14,516)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income available for common stock</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">236,744&#160;</span></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:38.227%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.037%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Consolidating Income Statement</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Year ended December 31, 2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Corporate</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Inter-Company Eliminations</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total</span></td></tr><tr style="height:5pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="15" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Revenue -</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Contracts with customers</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">721,108&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">959,696&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,680,804&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6,175&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">9,962&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">16,137&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">727,283&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">969,658&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,696,941&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Inter-company operating revenue -</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Contracts with customers</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">11,574&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4,724&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">167&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(16,465)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">288&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">352,976&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(353,264)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">11,574&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">5,012&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">353,143&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(369,729)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total revenue</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">738,857&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">974,670&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">353,143&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(369,729)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,696,941&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">138,572&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">354,645&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">83&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(896)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">492,404&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operations and maintenance, including taxes</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">265,679&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">303,577&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">284,501&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(301,980)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">551,777&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Depreciation, depletion and amortization</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">123,632&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">100,559&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">25,150&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(24,884)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">224,457&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operating income (loss)</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">210,974&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">215,889&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">43,409&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(41,969)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">428,303&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest expense, net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(143,470)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Impairment of investment</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(6,859)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other income (expense), net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(2,293)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Income tax benefit (expense)</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(32,918)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">242,763&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income attributable to non-controlling interest</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(15,155)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income available for common stock</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">227,608&#160;</span></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:38.227%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.037%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Consolidating Income Statement</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Year ended December 31, 2019</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Corporate</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Inter-Company Eliminations</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total</span></td></tr><tr style="height:5pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="15" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Revenue - </span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Contracts with customers</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">719,205&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,007,187&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,726,392&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,124&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">384&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,508&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">727,329&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,007,571&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,734,900&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Inter-company operating revenue - </span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Contracts with customers</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">12,026&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2,459&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">230&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(14,715)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">343,974&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(343,974)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">12,026&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2,459&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">344,204&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(358,689)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total revenue</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">739,355&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,010,030&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">344,204&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(358,689)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,734,900&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">145,972&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">425,898&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">269&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(1,310)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">570,829&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operations and maintenance, including taxes</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">259,167&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">301,844&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">286,800&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(298,902)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">548,909&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Depreciation, depletion and amortization</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">116,539&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">92,317&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">22,065&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(21,801)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">209,120&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operating income (loss)</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">217,677&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">189,971&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">35,070&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(36,676)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">406,042&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest expense, net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(137,659)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Impairment of investment</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(19,741)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other income (expense), net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(5,740)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Income tax benefit (expense)</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(29,580)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">213,322&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income attributable to non-controlling interest</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(14,012)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income available for common stock</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">199,310&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.</p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333935935912">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Subsequent Events:<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventsAbstract', window );"><strong>Subsequent Events [Abstract]</strong></a></td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventsTextBlock', window );">Subsequent Events</a></td>
<td class="text">SUBSEQUENT EVENTS<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">Except as described below and in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_178" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%;text-decoration:underline">Note </a><a href="#id989d46d3f644c989facd8bd19325da5_178" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%;text-decoration:underline">3</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">, there have been no events subsequent to December 31, 2021 which would require recognition in the consolidated financial statements or disclosures.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:115%">Winter Storm Uri</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">On January 27, 2022, Kansas Gas received approval from the KCC for their Winter Storm Uri cost recovery settlement with final rates to be implemented in 2022. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_175" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%;text-decoration:underline">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%"> for additional information.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:115%">Transmission Service Agreements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">On January 1, 2022, Colorado Electric entered into a firm point-to-point transmission service agreement with Tri-State Generation and Transmission Association Inc. that provides a maximum of 58 MW of capacity and associated energy. This agreement expires December 31, 2024.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:115%">On January 1, 2022, South Dakota Electric entered into a firm point-to-point transmission service agreement with MEAN that provides a maximum of 20 MW of capacity and associated energy. This agreement expires December 31, 2023.</span></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 855<br> -URI http://asc.fasb.org/topic&amp;trid=2122774<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 855<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6842918&amp;loc=SL6314017-165662<br></p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333939068248">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business Description And Significant Accounting Policies (Policies)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract', window );"><strong>Organization, Consolidation and Presentation of Financial Statements [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingPolicyPolicyTextBlock', window );">Segment Reporting</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Segment Reporting</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our reportable segments are based on our method of internal reporting, which is generally segregated by differences in products and services. All of our operations and assets are located within the United States.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Electric Utilities segment includes the operating results of the regulated electric utility operations of Colorado Electric, South Dakota Electric, and Wyoming Electric, which supply regulated electric utility services to areas in Colorado, Montana, South Dakota and Wyoming.  We also own and operate non-regulated power generation and mining businesses that are vertically integrated with our Electric Utilities.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In the fourth quarter of 2021, we integrated our power generation and mining businesses within the Electric Utilities segment. The alignment is consistent with the current way our CODM evaluates the performance of the business and makes decisions related to the allocation of resources. Comparative periods presented reflect this change.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Gas Utilities segment consists of the operating results of our regulated natural gas utility subsidiaries in Arkansas, Colorado, Iowa, Kansas, Nebraska and Wyoming.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">For further information regarding our segment reporting, see </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_223" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 16</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UseOfEstimates', window );">Use of Estimates and Basis of Presentation</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Use of Estimates and Basis of Presentation</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of certain assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Changes in facts and circumstances or additional information may result in revised estimates and actual results could differ materially from those estimates.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">COVID-19 Pandemic</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In March 2020, the World Health Organization categorized COVID-19 as a pandemic and the President of the United States declared the outbreak a national emergency. The U.S. government has deemed electric and natural gas utilities to be critical infrastructure sectors that provide essential services during this emergency. As a provider of essential services, the Company has an obligation to provide services to our customers. The Company remains focused on protecting the health of our customers, employees and the communities in which we operate while assuring the continuity of our business operations.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Company&#8217;s Consolidated Financial Statements reflect estimates and assumptions made by management that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the Consolidated Financial Statements and reported amounts of revenue and expenses during the reporting periods presented. The Company considered the impacts of COVID-19 on the assumptions and estimates used and determined that, for the years ended December 31, 2021 and 2020, there were no material adverse impacts on the Company&#8217;s results of operations.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConsolidationPolicyTextBlock', window );">Principles of Consolidation</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Principles of Consolidation</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The consolidated financial statements include the accounts of Black Hills Corporation and its wholly-owned and majority-owned and controlled subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. For additional information on intercompany revenues, see </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_223" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 16</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our Consolidated Statements of Income include operating activity of acquired companies beginning with their acquisition date.  We use the proportionate consolidation method to account for our ownership interest in any jointly-owned electric utility generation facility, wind farm or transmission tie. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_187" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 6</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for additional information.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConsolidationVariableInterestEntityPolicy', window );">Variable Interest Entities</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Variable Interest Entities</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We evaluate arrangements and contracts with other entities to determine if they are VIEs and if we are the primary beneficiary.  GAAP provides a framework for identifying VIEs and determining when a company should include the assets, liabilities, non-controlling interest and results of activities of a VIE in its consolidated financial statements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A VIE should be consolidated if a party with an ownership, contractual or other financial interest in the VIE (a variable interest holder) has the power to direct the VIE&#8217;s most significant activities and the obligation to absorb losses or right to receive benefits of the VIE that could be significant to the VIE. A variable interest holder that consolidates the VIE is called the primary beneficiary. Upon consolidation, the primary beneficiary generally must initially record all of the VIE&#8217;s assets, liabilities and non-controlling interests at fair value and subsequently account for the VIE as if it were consolidated.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our evaluation of whether our interest qualifies as the primary beneficiary of a VIE involves significant judgments, estimates and assumptions and includes a qualitative analysis of the activities that most significantly impact the VIE&#8217;s economic performance and whether the Company has the power to direct those activities, the design of the entity, the rights of the parties and the purpose of the arrangement. Black Hills Colorado IPP is a VIE. See additional information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_211" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 12</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy', window );">Cash and Cash Equivalents and Restricted Cash</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Cash, Cash Equivalents and Restricted Cash</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We consider all highly liquid investments with an original maturity of three months or less to be cash and cash equivalents. We maintain cash accounts for various specified purposes, which are classified as restricted cash.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerPolicyTextBlock', window );">Revenue from Contract with Customer</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Revenue Recognition</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our revenue contracts generally provide for performance obligations that are fulfilled and transfer control to customers over time, represent a series of distinct services that are substantially the same, involve the same pattern of transfer to the customer and provide a right to consideration from our customers in an amount that corresponds directly with the value to the customer for the performance completed to date. Therefore, we recognize revenue in the amount to which we have a right to invoice. Our primary types of revenue contracts are:</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline">Regulated natural gas and electric utility services tariffs</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Our Utilities have regulated operations, as defined by ASC 980, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Regulated Operations, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">that provide services to regulated customers under tariff rates, charges, terms and conditions of service and prices determined by the jurisdictional regulators designated for our service territories. Our regulated services primarily encompass single performance obligations for delivery of either commodity natural gas, commodity electricity, natural gas transportation or electric transmission services. These service revenues are variable based on quantities delivered, influenced by seasonal business and weather patterns. Tariffs are only permitted to be changed through a rate-setting process involving the state or federal regulatory commissions to establish contractual rates between the utility and its customers. All of our Utilities&#8217; regulated sales are subject to regulatory-approved tariffs.</span></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline">Power sales agreements</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Our Electric Utilities segment has long-term wholesale power sales agreements with other load-serving entities, including affiliates, for the sale of excess power from owned generating units. These agreements include a combination of &#8220;take or pay&#8221; arrangements, where the customer is obligated to pay for the energy regardless of whether it actually takes delivery, as well as &#8220;requirements only&#8221; arrangements, where the customer is only obligated to pay for the energy the customer needs. In addition to these long-term contracts, we also sell excess energy to other load-serving entities on a short-term basis. The pricing for all of these arrangements is included in the executed contracts or confirmations, reflecting the standalone selling price and is variable based on energy delivered. Certain energy sale and purchase transactions with the same counterparty and at the same delivery point are netted to reflect the economic substance of the arrangement.</span></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline">Coal supply agreements</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Our WRDC mine sells coal primarily under long-term contracts to affiliates for use at their generation facilities. The contracts include a single promise to supply coal necessary to fuel the customers&#8217; facilities during the contract term. The transaction price is established in the supply agreements, including cost-based agreements with the affiliated regulated utilities, and is variable based on tons delivered.</span></div><div style="padding-left:36pt"><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline">Other non-regulated services</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> - Our Utilities segments also provide non-regulated services primarily comprised of appliance repair service and protection plans, electric and natural gas technical infrastructure construction and maintenance services, and in Nebraska and Wyoming, an unbundled natural gas commodity offering under the regulatory-approved Choice Gas Program. Revenue contracts for these services generally represent a single performance obligation with the price reflecting the standalone selling price stated in the agreement and a variable revenue based on the units delivered or services provided.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The majority of our revenue contracts are based on variable quantities delivered. Any fixed consideration contracts with an expected duration of one year or more are immaterial to our consolidated revenues. Variable consideration constraints in the form of discounts, rebates, credits, price concessions, incentives, performance bonuses, penalties or other similar items are not material for our revenue contracts. We are the principal in our revenue contracts, as we have control over the services prior to those services being transferred to the customer.</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Revenue Not in Scope of ASC 606</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Other revenues included in the tables in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_181" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 4</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> include our revenue accounted for under separate accounting guidance, including lease revenue under ASC 842, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Leases, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">derivative revenue under ASC 815, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Derivatives and Hedging,</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> and alternative revenue programs revenue under ASC 980, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Regulated Operations</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Significant Judgments and Estimates</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Unbilled Revenue</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">To the extent that deliveries have occurred but a bill has not been issued, our Utilities accrue an estimate of the revenue since the latest billing. This estimate is calculated based upon several factors including billings through the last billing cycle in a month and prices in effect in our jurisdictions. Each month, the estimated unbilled revenue amounts are trued-up and recorded in Accounts receivable, net on the accompanying Consolidated Balance Sheets.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Contract Balances</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The nature of our primary revenue contracts provides an unconditional right to consideration upon service delivery; therefore, no customer contract assets or liabilities exist. The unconditional right to consideration is represented by the balance in our Accounts receivable, which is further discussed below.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Additional information is included in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_181" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 4</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TradeAndOtherAccountsReceivablePolicy', window );">Accounts Receivable and Allowance for Credit Losses</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Accounts Receivable and Allowance for Credit Losses</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Accounts receivable for our Electric and Gas Utilities business segments primarily consists of sales to residential, commercial, industrial, transportation and other customers, all of which do not bear interest. These accounts receivable are stated at billed and estimated unbilled amounts, net of allowance for credit losses. Accounts receivable for our power generation and mining businesses consists of amounts due from sales of electric energy and capacity and coal primarily to affiliates or regional utilities.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We maintain an allowance for credit losses which reflects our estimate of uncollectible trade receivables. We regularly review our trade receivable allowance by considering such factors as historical experience, credit worthiness, the age of the receivable balances and current economic conditions that may affect collectability.</span></div><div><span><br/></span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In specific cases where we are aware of a customer&#8217;s inability or reluctance to pay, we record an allowance for credit losses to reduce the net receivable balance to the amount we reasonably expect to collect. However, if circumstances change, our estimate of the recoverability of accounts receivable could be affected. Circumstances which could affect our estimates include, but are not limited to, customer credit issues, expected losses, the level of commodity prices, customer deposits and general economic conditions. Accounts are written off once they are deemed to be uncollectible or the time allowed for dispute under the contract has expired.</span></div><div style="margin-bottom:10pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We utilize master netting agreements which consist of an agreement between two parties who have multiple contracts with each other that provide for the net settlement of all contracts in the event of default on or termination of any one contract. When the right of offset exists, accounting standards permit the netting of receivables and payables under a legally enforceable master netting agreement between counterparties. Accounting standards also permit offsetting of fair value amounts recognized for the right to reclaim, or the obligation to return, cash collateral against fair value amounts recognized for derivative instruments executed with the same counterparty.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryPolicyTextBlock', window );">Materials, Supplies and Fuel</a></td>
<td class="text">Materials, Supplies and Fuel<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following amounts by major classification are included in Materials, supplies and fuel on the accompanying Consolidated Balance Sheets as of December 31 (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:60.595%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.052%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.053%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Materials and supplies</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">86,400&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">85,250&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,267&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,531&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas in storage </span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">63,312&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30,619&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total materials, supplies and fuel</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">150,979&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">117,400&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Materials and supplies represent parts and supplies for business segments. Fuel represents diesel oil and gas used by our Electric Utilities to produce power. Natural gas in storage primarily represents gas purchased for use by our gas customers.  All of our Materials, supplies and fuel are recorded using the weighted-average cost method and are valued at the lower-of-cost or net realizable value. The value of our natural gas in storage fluctuates with seasonal volume requirements of our business and the commodity price of natural gas.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentPolicyTextBlock', window );">Investments</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Investments </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In February 2018, we made a contribution of $28 million of assets in exchange for equity securities in a privately held oil and gas company as we divested of our Oil and Gas segment. The carrying value of our investment in the equity securities was recorded at cost. We review this investment on a periodic basis to determine whether a significant event or change in circumstances has occurred that may have an adverse effect on the value of the investment.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">During the third quarter of 2019, we assessed our investment for impairment as a result of a deterioration in earnings performance of the privately held oil and gas company and an adverse change in future natural gas prices. Based on the estimated fair value of our investment, we concluded that the carrying value of the investment exceeded fair value.  As a result, we recorded a pre-tax impairment loss of $20 million for the three months ended September 30, 2019, which was the difference between the carrying amount and the fair value of the investment at that time.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">During the first quarter of 2020, we assessed our investment for impairment as a result of continued adverse changes in future natural gas prices and liquidity concerns at the privately held oil and gas company. Based on the estimated fair value of our investment, we concluded that the carrying value of the investment exceeded fair value. As a result, we recorded a pre-tax impairment loss of $6.9&#160;million for the three months ended March 31, 2020, which was the difference between the carrying value and the fair value of the investment at that time.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock', window );">Property, Plant and Equipment</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Property, Plant and Equipment</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Additions to property, plant and equipment are recorded at cost. Included in the cost of regulated construction projects is AFUDC, when applicable, which represents the approximate composite cost of borrowed funds and a return on equity used to finance a regulated utility project. The following table presents AFUDC amounts (in thousands) for the years ended December 31:</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:16.882%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:43.636%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.326%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.326%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.330%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income Statement Location</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">AFUDC Borrowed</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest expense incurred net of amounts capitalized (including amortization of debt issuance costs, premiums and discounts)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,068&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,617&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,556&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">AFUDC Equity</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other income (expense), net</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">593&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">318&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">472&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We also capitalize interest, when applicable, on undeveloped leasehold costs and certain non-regulated construction projects. In addition, asset retirement costs associated with tangible long-lived regulated utility assets are recognized as liabilities with an increase to the carrying amounts of the related long-lived regulated utility assets in the period incurred. The amounts capitalized are included in Property, plant and equipment on the accompanying Consolidated Balance Sheets. We also classify our Cushion Gas as property, plant and equipment.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The cost of regulated utility property, plant and equipment retired, or otherwise disposed in the ordinary course of business, less salvage plus retirement costs, is charged to accumulated depreciation. Estimated removal costs related to our regulated properties that do not have legal retirement obligations are reclassified from accumulated depreciation and reflected as regulatory liabilities. Retirement or disposal of all other assets result in gains or losses recognized as a component of operating income. Ordinary repairs and maintenance of property, except as allowed under rate regulations, are charged to operations as incurred.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Depreciation provisions for property, plant and equipment are generally computed on a straight-line basis based on the applicable estimated service life of the various classes of property. The composite depreciation method is applied to regulated utility property. Capitalized mining costs and coal leases are amortized on a unit-of-production method based on volumes produced and estimated reserves. For certain non-regulated power plant components, depreciation is computed on a unit-of-production methodology based on plant hours run.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_184" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 5</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for additional information.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationsPolicy', window );">Asset Retirement Obligations</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Asset Retirement Obligations</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Accounting standards for AROs associated with long-lived assets require that the present value of retirement costs for which we have a legal obligation be recorded as liabilities with an equivalent amount added to the asset cost and depreciated over an appropriate period. The associated ARO accretion expense for our non-regulated operations is included within Depreciation, depletion and amortization on the accompanying Consolidated Statements of Income. The accounting for the obligation for regulated operations has no income statement impact due to the deferral of the adjustments through the establishment of a regulatory asset or a regulatory liability.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We initially record liabilities for the present value of retirement costs for which we have a legal obligation, with an equivalent amount added to the asset cost. The asset is then depreciated or depleted over the appropriate useful life and the liability is accreted over time by applying an interest method of allocation. Any difference in the actual cost of the settlement of the liability and the recorded amount is recognized as a gain or loss in the results of operations at the time of settlement for our non-regulated operations. Additional information is included in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_190" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 7</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock', window );">Goodwill and Intangible Assets</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Goodwill and Intangible Assets</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Goodwill and intangible assets with indefinite lives are not amortized, but the carrying values are reviewed upon an indicator of impairment or at least annually. Intangible assets with a finite life are amortized over their estimated useful lives.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We perform a goodwill impairment test on an annual basis or upon the occurrence of events or changes in circumstances that indicate that the asset might be impaired.&#160;Our annual goodwill impairment testing date is as of October 1, which aligns our  testing date with our financial planning process.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Company has determined that the reporting units for its goodwill impairment test are its operating segments, or components of an operating segment.</span></div>Our goodwill impairment analysis includes an income approach and a market approach to estimate the fair value of our reporting units. This analysis requires the input of several critical assumptions, including future growth rates, cash flow projections, operating cost escalation rates, rates of return, a risk-adjusted discount rate, timing and level of success in regulatory rate proceedings, the cost of debt and equity capital, long-term earnings and merger multiples for comparable companies.We believe that goodwill reflects the inherent value of the relatively stable, long-lived cash flows of our Utilities businesses, considering the regulatory environment, and the long-lived cash flow and rate base growth opportunities at our Utilities, and those businesses vertically integrated. Goodwill amounts have not changed since 2016.Our intangible assets represent contract intangibles, easements, rights-of-way, customer listings and trademarks. The finite-lived intangible assets are amortized using a straight-line method based on estimated useful lives; these assets are currently being amortized from 2 years to 40 years.<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueOfFinancialInstrumentsPolicy', window );">Fair Value Measurements</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Fair Value Measurements</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Financial Instruments</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We use the following fair value hierarchy for determining inputs for our financial instruments. Our assets and liabilities for financial instruments are classified and disclosed in one of the following fair value categories:</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Level 1</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> &#8212; Unadjusted quoted prices available in active markets that are accessible at the measurement date for identical unrestricted assets or liabilities. Level 1 instruments primarily consist of highly liquid and actively traded financial instruments with quoted pricing information on an ongoing basis.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Level 2</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> &#8212; Pricing inputs include quoted prices for identical or similar assets and liabilities in active markets other than quoted prices in Level 1, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability and inputs that are derived principally from or corroborated by observable market data by correlation or other means.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Level 3</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> &#8212; Pricing inputs are generally less observable from objective sources. These inputs reflect management&#8217;s best estimate of fair value using its own assumptions about the assumptions a market participant would use in pricing the asset or liability.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. Our assessment of the significance of a particular input to the fair value measurement requires judgment and may affect the placement within the fair value hierarchy levels. We record transfers, if necessary, between levels at the end of the reporting period for all of our financial instruments.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Transfers into Level 3, if any, occur when significant inputs used to value the derivative instruments become less observable, such as a significant decrease in the frequency and volume in which the instrument is traded, negatively impacting the availability of observable pricing inputs. Transfers out of Level 3, if any, occur when the significant inputs become more observable, such as when the time between the valuation date and the delivery date of a transaction becomes shorter, positively impacting the availability of observable pricing inputs.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Valuation Methodologies for Derivatives</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The wholesale electric energy and natural gas commodity contracts for our Utilities are valued using the market approach and include forward strip pricing at liquid delivery points, exchange-traded futures, options, basis swaps and over-the-counter swaps and options (Level 2).  For exchange-traded futures, options and basis swap assets and liabilities, fair value was derived using broker quotes validated by the exchange settlement pricing for the applicable contract. For over-the-counter instruments, the fair value is obtained by utilizing a nationally recognized service that obtains observable inputs to compute the fair value, which we validate by comparing our valuation with the counterparty. The fair value of these swaps includes a CVA based on the credit spreads of the counterparties when we are in an unrealized gain position or on our own credit spread when we are in an unrealized loss position.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Additional information on fair value measurements is included in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_205" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Notes 10</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> and </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_214" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">13</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativesPolicyTextBlock', window );">Derivatives and Hedging Activities</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Derivatives and Hedging Activities</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">All our derivatives are measured at fair value and recognized as either assets or liabilities on the Consolidated Balance Sheets, except for derivative contracts that qualify for and are elected under the normal purchase and normal sales exception. Normal purchases and normal sales are contracts where physical delivery is probable, quantities are expected to be used or sold in the normal course of business over a reasonable amount of time and pricing is clearly and closely related to the asset being purchased or sold.&#160;Normal purchase and sales contracts are recognized when the underlying physical transaction is completed under the accrual basis of accounting.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In addition, certain derivative contracts approved by regulatory authorities are either recovered or refunded through customer rates. Any changes in the fair value of these approved derivative contracts are deferred as a regulatory asset or regulatory liability pursuant to ASC 980, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Regulated Operations</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We also have some derivatives that qualify for hedge accounting and are designated as cash flow hedges. The gain or loss on these designated derivatives is deferred in AOCI and reclassified into earnings when the corresponding hedged transaction is recognized in earnings. Changes in the fair value of all other derivative contracts are recognized in earnings.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We utilize master netting agreements which consist of an agreement between two parties who have multiple contracts with each other that provide for the net settlement of all contracts in the event of default on or termination of any one contract. When the right of offset exists, accounting standards permit the netting of receivables and payables under a legally enforceable master netting agreement between counterparties. Accounting standards also permit offsetting of fair value amounts recognized for the right to reclaim, or the obligation to return, cash collateral against fair value amounts recognized for derivative instruments executed with the same counterparty. We reflect the offsetting of net derivative positions with fair value amounts for cash collateral with the same counterparty when a legal right of offset exists. Therefore, the gross amounts are not indicative of either our actual credit or net economic exposures.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See additional information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_202" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Notes 9</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_205" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">10</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> and </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_208" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">11</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtPolicyTextBlock', window );">Deferred Financing Costs</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Deferred Financing Costs</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Deferred financing costs include loan origination fees, underwriter fees, legal fees and other costs directly attributable to the issuance of debt. Deferred financing costs are amortized over the estimated useful life of the related debt. These costs are presented on the balance sheet as an adjustment to the related debt liabilities. See additional information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_196" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 8</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPolicyTextBlock', window );">Regulatory Accounting</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Regulatory Accounting</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our regulated Electric Utilities and Gas Utilities are subject to cost-of-service regulation and earnings oversight from federal and state regulatory commissions. Our Electric and Gas Utilities account for income and expense items in accordance with  accounting standards for regulated operations. These accounting policies differ in some respects from those used by our non-regulated businesses. Under these regulated operations accounting standards:</span></div><div><span><br/></span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Certain costs, which would otherwise be charged to expense or OCI, are deferred as regulatory assets based on the expected ability to recover the costs in future rates.</span></div><div style="padding-left:36pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">&#8226;</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">Certain credits, which would otherwise be reflected as income or OCI, are deferred as regulatory liabilities based on the expectation the amounts will be returned to customers in future rates, or because the amounts were collected in rates prior to the costs being incurred.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Management continually assesses the probability of future recoveries and obligations associated with regulatory assets and liabilities. Factors such as the current regulatory environment, recently issued rate orders, and historical precedents are considered. As a result, we believe that the accounting prescribed under rate-based regulation remains appropriate and our regulatory assets are probable of recovery in current rates or in future rate proceedings.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">If changes in the regulatory environment occur, we may no longer be eligible to apply this accounting treatment, and may be required to eliminate regulatory assets and liabilities from our balance sheet. Such changes could adversely affect our results of operations, financial position or cash flows.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021 and 2020, we had total regulatory assets of $797 million and $278 million respectively, and total regulatory liabilities of $503 million and $533 million respectively. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_175" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for further information.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxPolicyTextBlock', window );">Income Taxes</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Income Taxes</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The Company and its subsidiaries file consolidated federal income tax returns. Each entity records both federal and state income taxes as if it were a separate taxpayer and consolidating expense adjustments are allocated to the subsidiaries based on separate company computations of taxable income or loss.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We use the asset and liability method in accounting for income taxes. Under the asset and liability method, deferred income taxes are recognized at currently enacted income tax rates, to reflect the tax effect of temporary differences between the financial and tax basis of assets and liabilities as well as operating loss and tax credit carryforwards. Such temporary differences are the result of provisions in the income tax law that either require or permit certain items to be reported on the income tax return in a different period than they are reported in the financial statements.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">It is our policy to apply the flow-through method of accounting for ITCs. Under the flow-through method, ITCs are reflected in net income&#160;as a reduction to income tax expense in the year they qualify. An exception to this general policy is the deferral method, which applies to our regulated businesses. Such a method results in the ITC being amortized as a reduction to income tax expense over the estimated useful lives of the underlying property that gave rise to the credit.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We recognize interest income or interest expense and penalties related to income tax matters in Income tax benefit (expense) on the Consolidated Statements of Income.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We account for uncertainty in income taxes recognized in the financial statements in accordance with the accounting standards for income taxes. The unrecognized tax benefit is classified in Other deferred credits and other liabilities or in Deferred income tax liabilities, net on the accompanying Consolidated Balance Sheets.  See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_220" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 15</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for additional information.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerSharePolicyTextBlock', window );">Earnings per Share of Common Stock</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Earnings per Share of Common Stock</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Basic earnings per share is computed by dividing Net income available for common stock by the weighted average number of common shares outstanding during each year. Diluted earnings per share is computed by including all dilutive common shares outstanding during each year. Diluted common shares are primarily due to equity units, outstanding stock options, restricted stock and performance shares under our equity compensation plans.</span></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConsolidationSubsidiariesOrOtherInvestmentsConsolidatedEntitiesPolicy', window );">Noncontrolling Interest</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Non-controlling Interests</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We account for changes in our controlling interests of subsidiaries according to ASC 810</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">, Consolidation. </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">ASC 810 requires that the Company record such changes as equity transactions, recording no gain or loss on such a sale. GAAP requires that non-controlling interests in subsidiaries and affiliates be reported in the equity section of a company&#8217;s balance sheet. In addition, the amounts attributable to the non-controlling interest net income (loss) of those subsidiaries are reported separately in the consolidated statements of income and comprehensive income. See </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_211" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 12</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> for additional detail on non-controlling interests.</span></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CompensationRelatedCostsPolicyTextBlock', window );">Share-Based Compensation</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Share-Based Compensation</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We account for our share-based compensation arrangements in accordance with ASC 718, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Compensation-Stock Compensation</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, by recognizing compensation costs for all share-based awards over the respective service period for employee services received in exchange for an award of equity or equity-based compensation. Awards that will be settled in stock are accounted for as equity and the compensation expense is based on the grant date fair value. Awards that are settled in cash are accounted for as liabilities and the compensation expense is re-measured each period based on the current market price and performance achievement measures. See additional information in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_217" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Note 14</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">.</span></div><span></span>
</td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock', window );">Recently Issued and Adopted Accounting Standards</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Recently Issued Accounting Standards</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Facilitation of the Effects of Reference Rate Reform on Financial Reporting, ASU 2020-04</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In March 2020, the FASB issued ASU 2020-04, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, which was subsequently amended by ASU 2021-01. The standard provides relief for companies preparing for discontinuation of interest rates, such as LIBOR, and allows optional expedients and exceptions for applying GAAP to contracts, hedging relationships and other transactions affected by reference rate reform if certain criteria are met. The amendments in this update are elective and are effective upon the ASU issuance through December 31, 2022. We are currently evaluating if we will apply the optional guidance as we assess the impact of the discontinuance of LIBOR on our current arrangements and the potential impact on our financial position, results of operations and cash flows.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Recently Adopted Accounting Standards</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Simplifying the Accounting for Income Taxes, ASU 2019-12</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">In December 2019, the FASB issued ASU 2019-12, </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%">Simplifying the Accounting for Income Taxes</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> as part of its overall simplification initiative to reduce costs and complexity in applying accounting standards while maintaining or improving the usefulness of the information provided to users of the financial statements. Amendments include removal of certain exceptions to the general principles of ASC 740,</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"> Income Taxes</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">, and simplification in several other areas such as accounting for a franchise tax (or similar tax) that is partially based on income. We adopted this standard prospectively on January 1, 2021. Adoption of this standard did not have an impact on our financial position, results of operations or cash flows.</span></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for legal obligation associated with retirement of long-lived asset that results from acquisition, construction, or development or from normal operation of long-lived asset. Excludes environmental remediation liability from improper or other-than-normal operation of long-lived asset, obligation arising in connection with leased property that meets definition of lease payments or variable lease payments and from plan to sell or otherwise dispose of a long-lived asset.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br></p></div>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Entity's cash and cash equivalents accounting policy with respect to restricted balances.  Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for salaries, bonuses, incentive awards, postretirement and postemployment benefits granted to employees, including equity-based arrangements; discloses methodologies for measurement, and the bases for recognizing related assets and liabilities and recognizing and reporting compensation expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b),(f(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting.  The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123372394&amp;loc=d3e18823-107790<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=109239629&amp;loc=d3e5614-111684<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for subsidiaries or other investments that are consolidated, including the accounting treatment for intercompany accounts or transactions and any noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=109239629&amp;loc=d3e5614-111684<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for consolidation to describe the significant judgments and assumptions made in determining whether a variable interest held by the entity requires the variable interest entity to be consolidated and (or) disclose information about its involvement with the variable interest entity; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; and the significant factors considered and judgments made in determining that the power to direct the activities that significantly impact the economic performance of the variable interest entity are shared (as defined).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=123419778&amp;loc=d3e5728-111685<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123419778&amp;loc=SL6759159-111685<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2AA<br> -Subparagraph a<br> -URI http://asc.fasb.org/extlink&amp;oid=123419778&amp;loc=SL6759068-111685<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy related to debt. Includes, but is not limited to, debt issuance costs, the effects of refinancings, method of amortizing debt issuance costs and original issue discount, and classifications of debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123465755&amp;loc=d3e1835-112601<br></p></div>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for its derivative instruments and hedging activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=125515794&amp;loc=d3e41620-113959<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=125515794&amp;loc=d3e41638-113959<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -URI http://asc.fasb.org/extlink&amp;oid=125515794&amp;loc=SL5579245-113959<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=125515794&amp;loc=d3e41675-113959<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(n))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=125515794&amp;loc=SL5579240-113959<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativesPolicyTextBlock</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3630-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for determining the fair value of financial instruments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 60<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=7493716&amp;loc=d3e21868-110260<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123594938&amp;loc=d3e13279-108611<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueOfFinancialInstrumentsPolicy</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for goodwill and intangible assets. This accounting policy also may address how an entity assesses and measures impairment of goodwill and intangible assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121556970&amp;loc=d3e13816-109267<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16265-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -URI http://asc.fasb.org/extlink&amp;oid=123427490&amp;loc=d3e32247-109318<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32847-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32840-109319<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=124431353&amp;loc=SL116659661-227067<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32639-109319<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=123427490&amp;loc=d3e32280-109318<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 17<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32809-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxPolicyTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of inventory accounting policy for inventory classes, including, but not limited to, basis for determining inventory amounts, methods by which amounts are added and removed from inventory classes, loss recognition on impairment of inventories, and situations in which inventories are stated above cost.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=116847112&amp;loc=d3e4556-108314<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6361739&amp;loc=d3e7789-107766<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 912<br> -SubTopic 330<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6471895&amp;loc=d3e55923-109411<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=116847112&amp;loc=d3e4492-108314<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 270<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124437754&amp;loc=d3e543-108305<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -URI http://asc.fasb.org/topic&amp;trid=2126998<br><br>Reference 7: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123372394&amp;loc=d3e18823-107790<br><br>Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryPolicyTextBlock</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for investment in financial asset.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(3)(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 958<br> -SubTopic 360<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=120429125&amp;loc=d3e99779-112916<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.13(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 958<br> -SubTopic 360<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=120429125&amp;loc=d3e99893-112916<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for public utilities. Examples include a discussion about the scope criteria and appropriateness for and extent of the application of generally accepted accounting principles related to accounting for the effects of certain types of regulation (may include identification of specific business units). Other examples of the disclosures may include: descriptions of the form and economic effects of regulation (for example, but not limited to, recording of regulatory assets and liabilities to the rate setting process); statement about periodic assessments of periodic assessments of generally accepted accounting principles related to accounting for the effects of certain types of regulation; information regarding amortization of and return on regulatory assets and liabilities, including the remaining amounts and recovery or settlement periods; accounting for changes to recovery estimates; AFUDC, plant abandonment's and plant disallowances.</p></div>
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<tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for revenue from contract with customer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130561-203045<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 20<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130566-203045<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 18<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130563-203045<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -URI http://asc.fasb.org/topic&amp;trid=49130388<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 20<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130566-203045<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 18<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130563-203045<br><br>Reference 7: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=123372394&amp;loc=d3e18823-107790<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 20<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130566-203045<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130564-203045<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 20<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130566-203045<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for segment reporting.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 29<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8864-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 29<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8864-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 41<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9038-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 29<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8864-108599<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 29<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8864-108599<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 29<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8864-108599<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 29<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8864-108599<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for accounts receivable.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123577603&amp;loc=d3e4975-111524<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 15<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123577603&amp;loc=d3e5212-111524<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123577603&amp;loc=SL6953423-111524<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/otherTransitionRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123577603&amp;loc=d3e5093-111524<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123577603&amp;loc=d3e5033-111524<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=84159169&amp;loc=d3e10133-111534<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6191-108592<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6161-108592<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6143-108592<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e5967-108592<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6061-108592<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6132-108592<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e5967-108592<br></p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333931117608">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business Description And Significant Accounting Policies (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract', window );"><strong>Organization, Consolidation and Presentation of Financial Statements [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock', window );">Accounts Receivable and Allowance for Doubtful Accounts</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Following is a summary of accounts receivable as of December 31 (in thousands):</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:60.595%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.052%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.053%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Billed Accounts Receivable</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">181,027&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">146,899&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Unbilled Revenue</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">142,738&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">126,065&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less Allowance for Credit Losses</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,113)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(7,003)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accounts Receivable, net</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">321,652&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">265,961&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock', window );">Financing Receivable, Current, Allowance for Credit Loss</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Changes to allowance for credit losses for the years ended December 31, were as follows (in thousands):</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:16.443%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.250%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:14.250%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:2.577%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.250%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.250%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.260%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance at Beginning of Year</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Additions Charged to Costs and Expenses</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Recoveries and Other Additions</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Write-offs and Other Deductions</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance at End of Year</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,003&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,444&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,560&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(10,894)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,113&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,444&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,927&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,728&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(9,096)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,003&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,209&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,795&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,942&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(10,502)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,444&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">_________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Due to the COVID-19 pandemic, all of our jurisdictions temporarily suspended disconnections due to non-payment for a period of time, which increased our accounts receivable arrears balances. As a result, we increased our allowance for credit losses and bad debt expense for the year ended December 31, 2020 by an incremental $3.3&#160;million. All jurisdiction disconnect moratoriums ended on or before May 3, 2021.</span></div><span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfInventoryCurrentTableTextBlock', window );">Materials, Supplies and Fuel</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following amounts by major classification are included in Materials, supplies and fuel on the accompanying Consolidated Balance Sheets as of December 31 (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:60.595%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.052%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.053%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Materials and supplies</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">86,400&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">85,250&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,267&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,531&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas in storage </span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">63,312&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30,619&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total materials, supplies and fuel</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">150,979&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">117,400&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentTableTextBlock', window );">Investments</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table presents the carrying value of our investments (in thousands), which are included in Other assets, non-current on the Consolidated Balance Sheets, as of December 31:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:60.595%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.052%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.053%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Investment in privately held oil and gas company</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,500&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,500&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cash surrender value of life insurance contracts</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12,365&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,628&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other investments</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,616&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">682&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total investments</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15,481&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15,810&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresTableTextBlock', window );">Property, Plant and Equipment (AFUDC)</a></td>
<td class="text">The following table presents AFUDC amounts (in thousands) for the years ended December 31:<table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:16.882%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:43.636%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.326%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.326%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.330%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income Statement Location</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">AFUDC Borrowed</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest expense incurred net of amounts capitalized (including amortization of debt issuance costs, premiums and discounts)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,068&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,617&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,556&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">AFUDC Equity</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other income (expense), net</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">593&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">318&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">472&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><span></span>
</td>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfGoodwillTextBlock', window );">Goodwill</a></td>
<td class="text">As of December 31, 2021 and 2020, Goodwill balances were as follows (in thousands):<table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:41.005%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.198%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.198%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.199%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Goodwill</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">257,244&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,042,210&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,299,454&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock', window );">Intangible Assets</a></td>
<td class="text">Changes to intangible assets for the years ended December 31, were as follows (in thousands):<div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:40.920%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.226%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.226%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.228%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Intangible assets, net, beginning balance</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11,944&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,266&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">14,337&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amortization expense </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,174)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,322)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,071)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Intangible assets, net, ending balance</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10,770&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11,944&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,266&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Amortization expense for existing intangible assets is expected to be $1.2 million for each year of the next five years.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAccruedLiabilitiesTableTextBlock', window );">Schedule of Accrued Liabilities</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following amounts by major classification are included in Accrued liabilities on the accompanying Consolidated Balance Sheets as of December 31 (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:60.763%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:17.968%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:17.969%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accrued employee compensation, benefits and withholdings</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">74,387&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">77,806&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accrued property taxes</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">50,874&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">47,105&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Customer deposits and prepayments</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">48,814&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">52,185&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accrued interest</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">33,680&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">31,520&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other (none of which is individually significant)</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">37,004&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">34,996&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total accrued liabilities</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">244,759&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">243,612&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock', window );">Earnings Per Share of Common Stock</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A reconciliation of share amounts used to compute earnings per share is as follows for the years ended December 31 (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:49.483%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.372%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.372%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.373%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr style="height:14pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">236,744&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">227,608&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">199,310&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted average shares - basic</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">63,219&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">62,378&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60,662&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Dilutive effect of:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Equity compensation</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">106&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">61&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">136&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted average shares - diluted</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">63,325&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">62,439&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60,798&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net income available for common stock, per share - Diluted</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.74&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.65&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.28&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock', window );">Antidilutive Securities</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following securities were excluded from the diluted earnings per share computation for the years ended December 31 because of their anti-dilutive nature (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:49.483%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.372%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.372%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.373%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Equity compensation</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Anti-dilutive shares excluded from computation of earnings per share</span></td><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of investment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 325<br> -URI http://asc.fasb.org/topic&amp;trid=2197064<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 321<br> -URI http://asc.fasb.org/topic&amp;trid=75115024<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 320<br> -URI http://asc.fasb.org/topic&amp;trid=2196928<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -URI http://asc.fasb.org/topic&amp;trid=2196965<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of regulation for public utility entities, including, but not limited to, rate requests, decommissioning costs and the amount of allowance for earnings on equity capitalized for rate making purposes.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the components of accrued liabilities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of allowance for credit loss of financing receivable, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11B<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123577603&amp;loc=SL6953423-111524<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 326<br> -SubTopic 20<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=124255953&amp;loc=SL82919249-210447<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16265-109275<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121556970&amp;loc=d3e13816-109267<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=121556970&amp;loc=d3e13854-109267<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(6)(c))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(6)(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(6)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6361739&amp;loc=d3e7789-107766<br></p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333935982904">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Regulatory Matters (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We had the following regulatory assets and liabilities as of December 31 (in thousands):</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:65.859%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.420%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.421%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Regulatory assets</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Winter Storm Uri</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">509,025&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred energy and fuel cost adjustments </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">59,973&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">39,035&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred gas cost adjustments</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,488&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,200&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas price derivatives </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,584&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,226&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred taxes on AFUDC</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,457&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,491&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Employee benefit plans and related deferred taxes </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">88,923&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">116,598&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Environmental</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,385&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,413&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Loss on reacquired debt </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21,011&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">22,864&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred taxes on flow-through accounting</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">63,243&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">47,515&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Decommissioning costs </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,961&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,988&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas supply contract termination </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,524&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other regulatory assets</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,549&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">26,404&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total regulatory assets</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">796,599&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">278,258&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less current regulatory assets</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(270,290)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(51,676)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory assets, non-current</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">526,309&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">226,582&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:14pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Regulatory liabilities</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred energy and gas costs</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,113&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,253&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Employee benefit plan costs and related deferred taxes </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c) </span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32,241&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40,256&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cost of removal</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">179,976&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">172,902&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Excess deferred income taxes </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">264,042&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">285,259&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other regulatory liabilities</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (c)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">20,579&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21,050&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total regulatory liabilities</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">502,951&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">532,720&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less current regulatory liabilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(17,574)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(25,061)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory liabilities, non-current</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">485,377&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">507,659&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">_____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Timing of Winter Storm Uri incremental cost recovery and associated carrying costs vary by jurisdiction and some jurisdictions are still subject to pending applications with the respective utility commission. See further information below.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;Recovery of costs, but we are not allowed a rate of return.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;In addition to recovery or repayment of costs, we are allowed a return on a portion of this amount or a reduction in rate base.</span></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Schedule of Regulatory Assets and Liabilities</p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333939162184">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Commitment, Contingencies And Guarantees (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationsDisclosureTextBlock', window );">Unrecorded Unconditional Purchase Obligations Disclosure</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following is a schedule of unconditional purchase obligations required under the power purchase, transmission services and natural gas transportation and storage agreements (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:40.334%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:28.182%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:28.184%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Power purchase and transmission services agreements</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas transportation and storage agreements</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">23,985&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">143,750&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11,678&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">119,923&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2024</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,738&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">82,428&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2025</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">58,669&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2026</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">36,503&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Thereafter</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60,429&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="padding-left:9pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;This schedule does not reflect renewable energy PPA obligations since these agreements vary based on weather conditions.</span></div><span></span>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_ScheduleofUnitContingentCapacityTableTextBlock', window );">Schedule of Unit Contingent Capacity</a></td>
<td class="text">The unit-contingent capacity amounts from Wygen III and Neil Simpson II are as follows:<table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:92.397%"><tr><td style="width:1.0%"/><td style="width:36.874%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.551%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.551%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:1.856%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.551%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.551%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:1.856%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.551%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.559%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Contract Years</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Contract Capacity</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Contingent Capacity Amounts on Wygen III</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Contingent Capacity Amounts on Neil Simpson II</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020-2022</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022-2023</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023-2028</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">MW</span></td></tr></table><span></span>
</td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock', window );">Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">As of December 31, 2021, scheduled maturities of operating lease payments to be received in future years were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:79.163%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.637%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Operating Leases</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,173&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,204&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2024</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,125&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2025</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,070&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2026</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,881&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Thereafter</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">51,233&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total lease receivables</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">61,686&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr></table></div><span></span>
</td>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfGuaranteeObligationsTextBlock', window );">Schedule of Guarantor Obligations</a></td>
<td class="text">To the extent liabilities are incurred as a result of activities covered by these guarantees, such liabilities are included in our Consolidated Balance Sheets.<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">See Note 8 for additional information on our off-balance sheet Letters of Credit commitment.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We had the following guarantees in place as of (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:79.163%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.637%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum Exposure at</span></td><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nature of Guarantee</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Indemnification for reclamation/surety bonds</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">55,867&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Guarantees supporting business transactions</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">370,558&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">426,425&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr></table></div><span></span>
</td>
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<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=us-gaap_TransmissionServiceAgreementMember', window );">Transmission Service Agreement</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentTextBlock', window );">Long-term Purchase Commitment</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Through our subsidiaries, we have the following significant long-term power purchase contracts and transmission services agreement with non-affiliated third-parties:</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:20.098%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.326%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:21.268%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.595%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:21.272%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Subsidiary</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Contract Type</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Counterparty</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel Type</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Quantity (MW)</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Expiration Date</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:0.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PRPA</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">60</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">May 31, 2030</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PRPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">25</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">June 30, 2024</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">TC Colorado Solar, LLC</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Solar</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">200</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pending Completion </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PacifiCorp</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">50</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2023</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:0.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission Services Agreement</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PacifiCorp</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">50</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2023</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PRPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">September 30, 2029</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fall River Solar, LLC</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Solar</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">80</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pending Completion </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(d)</span></div></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(e)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Happy Jack</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">September 3, 2028</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(f)</span></div></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Silver Sage</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">September 30, 2029</span></td></tr></table></div><div style="padding-left:9pt;text-indent:-9pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Colorado Electric sells the wind energy purchased under this PPA to City of Colorado Springs as discussed below.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:112%">(b)&#160;&#160;&#160;&#160;On January 31, 2022, TC Colorado Solar, LLC (TC Solar) provided termination notice of the PPA to Colorado Electric. Colorado Electric has disputed TC Solar&#8217;s right to termination and pursuant to the agreement, has initiated discussions with TC Solar. This agreement relates to a new solar facility to be constructed and would expire 15 years after construction completion.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;This is a firm point-to-point transmission service agreement providing the ability to deliver a maximum of 50 MW of capacity and associated energy.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(d)&#160;&#160;&#160;&#160;This agreement relates to a new solar facility currently being constructed and will expire 20 years after construction completion, which is expected by the end of 2022.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(e)&#160;&#160;&#160;&#160;Under a separate intercompany PSA, Wyoming Electric sells 50% of the facility output to South Dakota Electric.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(f)&#160;&#160;&#160;&#160;Under a separate intercompany PSA, Wyoming Electric sells 67% of the facility output to South Dakota Electric.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentTextBlock', window );">Long-term Purchase Commitment</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Costs under these agreements for the years ended December 31 were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:19.367%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.373%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.344%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.595%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:1.700%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.577%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Subsidiary</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Contract Type</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Counterparty</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel Type</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PRPA</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,246&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,791&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Colorado Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PRPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,447&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,524&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,802&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PacifiCorp</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Coal</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,923&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,897&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,477&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission Services Agreement</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PacifiCorp</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,783&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,776&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,741&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">South Dakota Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PRPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">596&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">715&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">688&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Happy Jack</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,544&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,531&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,936&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyoming Electric</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">PPA</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Silver Sage</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wind</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,717&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,203&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,366&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=bkh_PurchasedGasCostObligationMember', window );">Purchased Gas Cost Obligation</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentTextBlock', window );">Long-term Purchase Commitment</a></td>
<td class="text">At December 31, 2021, the long-term commitments to purchase quantities of natural gas under contracts indexed to the following forward indices were as follows (in MMBtus):<table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:27.743%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.759%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.759%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.759%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.759%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.759%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.762%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2024</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2025</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2026</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Thereafter</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">El Paso - Bondad Station</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">31,000</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Kern River - Opal</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,300</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">El Paso - San Juan Basin</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">182,550</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Enable East Pipeline</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,825,000</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">450,000</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Northern Natural Gas - Demarc</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,614</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Northern Natural Gas - Ventura</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,810,000</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,840,000</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,820,000</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Northwest Pipeline - Wyoming</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,531,700</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,510,000</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">910,000</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">ONEOK - Oklahoma</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,475,000</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,475,000</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,490,000</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,560,000</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Southern Star Central Gas Pipeline</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">113,130</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Panhandle Eastern Pipe Line</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,609,680</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,737,500</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12,588,974</span></td><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12,012,500</span></td><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,220,000</span></td><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,560,000</span></td><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;</span></td></tr></table><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>[Table Text Block] for Schedule of Unit Contingent Capacity [Table]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of maturity of undiscounted cash flows to be received by lessor on annual basis for operating lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 30<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=124258985&amp;loc=SL77919396-209981<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermPurchaseCommitmentTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of key provisions of an arrangement under which the entity has agreed to purchase goods or services over a period of time greater than one year or the normal operating cycle, if longer, including the item for which expenditures will be made, minimum quantities, milestones, time period and committed amount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermPurchaseCommitmentTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfGuaranteeObligationsTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of each guarantee obligation, or each group of similar guarantee obligations, including (a) the nature of the guarantee, including its term, how it arose, and the events or circumstances that would require the guarantor to perform under the guarantee; (b) the maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee; (c) the current carrying amount of the liability, if any, for the guarantor's obligations under the guarantee; and (d) the nature of any recourse provisions under the guarantee, and any assets held either as collateral or by third parties, and any relevant related party disclosure. Excludes disclosures about product warranties.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 460<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=124440162&amp;loc=d3e12069-110248<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 460<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=124440162&amp;loc=d3e12265-110248<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfGuaranteeObligationsTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecordedUnconditionalPurchaseObligationsDisclosureTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of unconditional purchase obligation not recognized as liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123406679&amp;loc=d3e25336-109308<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecordedUnconditionalPurchaseObligationsDisclosureTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=us-gaap_TransmissionServiceAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=us-gaap_TransmissionServiceAgreementMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Period Type:</strong></td>
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</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=bkh_PowerPurchasedMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=bkh_PurchasedGasCostObligationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=bkh_PurchasedGasCostObligationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333935948696">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Revenue (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerAbstract', window );"><strong>Revenue from Contract with Customer [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueTableTextBlock', window );">Disaggregation of Revenue</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following tables depict the disaggregation of revenue, including intercompany revenue, from contracts with customers by customer type and timing of revenue recognition for each of the reportable segments, for the years ended December 31, 2021, 2020 and 2019. Sales tax and other similar taxes are excluded from revenues.</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:37.992%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.126%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.126%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.126%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.130%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Year ended December 31, 2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;Electric Utilities </span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;Gas Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Inter-company Revenues</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Customer types:</span></td><td colspan="12" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Retail</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">711,448&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">913,725&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,625,173&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transportation</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">158,053&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(428)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">157,625&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wholesale</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30,848&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30,848&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Market - off-system sales</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">41,682&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">396&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">42,078&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission/Other</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">52,945&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">39,365&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(17,200)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">75,110&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue from contracts with customers</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">836,923&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,111,539&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(17,628)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,930,834&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,335&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,326&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(393)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">18,268&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total revenues</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">842,258&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,124,865&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(18,021)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,949,102&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Timing of revenue recognition:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Services transferred at a point in time</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,141&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,141&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Services transferred over time</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">809,782&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,111,539&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(17,628)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,903,693&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue from contracts with customers</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">836,923&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,111,539&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(17,628)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,930,834&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:37.992%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.126%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.126%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.126%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.130%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Year ended December 31, 2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;Electric Utilities </span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;Gas Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Inter-company Revenues</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Customer types:</span></td><td colspan="12" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Retail</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">636,902&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">765,922&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,402,824&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transportation</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">154,581&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(526)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">154,055&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wholesale</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24,845&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24,845&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Market - off-system sales</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15,512&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">260&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15,772&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission/Other</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">55,422&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">43,658&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(15,772)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">83,308&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue from contracts with customers</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">732,681&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">964,421&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(16,298)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,680,804&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,176&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10,249&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(288)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16,137&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total revenues</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">738,857&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">974,670&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(16,586)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,696,941&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Timing of revenue recognition:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Services transferred at a point in time</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,089&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,089&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Services transferred over time</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">705,592&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">964,421&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(16,298)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,653,715&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue from contracts with customers</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">732,681&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">964,421&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(16,298)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,680,804&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:37.992%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.126%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.126%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.126%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.130%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Year ended December 31, 2019</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;Electric Utilities </span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#160;Gas Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Inter-company Revenues</span></td><td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Customer types:</span></td><td colspan="12" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Retail</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">632,936&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">817,840&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,450,776&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transportation</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">143,390&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,042)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">142,348&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wholesale</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28,464&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28,464&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Market - off-system sales</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16,081&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">691&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16,772&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission/Other</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">53,750&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">47,725&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(13,443)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">88,032&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue from contracts with customers</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">731,231&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,009,646&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,485)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,726,392&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,124&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">384&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,508&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total revenues</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">739,355&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,010,030&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,485)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,734,900&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Timing of revenue recognition:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Services transferred at a point in time</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,180&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,180&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Services transferred over time</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">704,051&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,009,646&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,485)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,699,212&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revenue from contracts with customers</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">731,231&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,009,646&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,485)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,726,392&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130545-203045<br></p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333934229016">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Property, Plant and Equipment (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentTextBlock', window );">Property, Plant and Equipment</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Property, plant and equipment at December 31 consisted of the following (dollars in thousands):</span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:33.110%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.742%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.864%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.868%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Lives (in years)</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Useful Life (in years)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Useful Life (in years)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Minimum</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum</span></td></tr><tr style="height:6pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric plant:</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Production</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,452,055&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">41</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,417,951&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">45</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric transmission</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">546,126&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">49</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">517,794&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">49</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">43</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">50</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric distribution</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,000,619&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">47</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">959,453&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">46</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">45</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">49</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Integrated Generation</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">720,490&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">716,479&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">31</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">59</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Plant acquisition adjustment </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,870&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,870&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">General</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">266,935&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">259,010&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">25</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">31</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total electric plant in service</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,991,095&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,875,557&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Construction work in progress</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">181,451&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">95,266&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total electric plant</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,172,546&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,970,823&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less accumulated depreciation and depletion</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,016,738)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(960,993)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric plant net of accumulated depreciation and depletion</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,155,808&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,009,830&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr></table><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The plant acquisition adjustment is included in rate base and is being recovered with 9 years remaining.</span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:33.987%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.718%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.718%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.718%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.718%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.718%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.723%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Lives (in years)</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Useful Life (in years)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Useful Life (in years)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Minimum</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum</span></td></tr><tr style="height:6pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas plant:</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Production</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">14,841&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15,603&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">46</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas transmission</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">645,550&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">58</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">578,278&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">54</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">22</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">71</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas distribution</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,394,352&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">53</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,115,082&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">53</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">45</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">59</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cushion gas - depreciable </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,539&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,539&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cushion gas - not depreciable </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">42,478&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">39,184&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Storage</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">56,289&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">38</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">55,481&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">38</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">52</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">General</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">474,964&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">438,217&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">19</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">23</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total gas plant in service</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,632,013&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,245,384&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Construction work in progress</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">37,860&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">67,229&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total gas plant</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,669,873&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,312,613&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less accumulated depreciation</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(389,115)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(323,679)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas plant net of accumulated depreciation</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,280,758&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,988,934&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr></table><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Depreciation of Cushion Gas is determined by the respective regulatory jurisdiction in which the Cushion Gas resides.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:17.613%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.987%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.157%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.742%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.695%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.695%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.110%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.260%"/><td style="width:0.1%"/></tr><tr><td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Lives (in years)</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Construction Work in Progress</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Property Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less Accumulated Depreciation</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Useful Life</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Minimum</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Corporate</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,694&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,460&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">14,154&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,544)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12,610&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">22</span></td></tr></table></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:17.613%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.987%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.157%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.742%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.695%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.695%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.110%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.260%"/><td style="width:0.1%"/></tr><tr><td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Lives (in years)</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Construction Work in Progress</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Property Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less Accumulated Depreciation</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net Property, Plant and Equipment</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Useful Life</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Minimum</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Corporate</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,692&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16,402&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">22,094&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,144)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">20,950&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">22</span></td></tr></table></div><span></span>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936075800">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Jointly Owned Facilities (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">At December 31, 2021, our interests in jointly-owned generating facilities and transmission systems were (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:33.453%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.151%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.298%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.151%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.447%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Plant in Service</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Construction Work in Progress</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less Accumulated Depreciation</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Plant Net of Accumulated Depreciation</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wyodak Plant</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">118,637&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">882&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(70,468)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">49,051&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Transmission Tie</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24,544&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">287&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6,922)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17,909&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wygen III</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">142,199&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">635&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(26,598)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">116,236&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Wygen I</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">120,565&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">399&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(53,784)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">67,180&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of proportionate interests in jointly owned plants. Includes the amount of plants in service, the accumulated provision for depreciation (if available), the amount of facilities under construction, and the proportionate share. Includes statements that the amounts represent the company's share in each joint plant and that it must provide its own financing. Information concerning two or more plants on the same site may be combined. States that the company's share of direct expenses of the joint facilities is included in the corresponding operating expenses on its income statement (for example, maintenance and other operating expense). This schedule includes both Utility and non-Utility facilities. [Table Text Block]</p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333935941080">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Asset Retirement Obligations (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationDisclosureAbstract', window );"><strong>Asset Retirement Obligation Disclosure [Abstract]</strong></a></td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock', window );">Schedule of Change in Asset Retirement Obligation</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following tables present the details of AROs which are included on the accompanying Consolidated Balance Sheets in Other deferred credits and other liabilities (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:19.775%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.600%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.600%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.600%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.600%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:14.520%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.605%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities Incurred</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities Settled</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accretion</span></td><td colspan="3" style="display:none"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revisions to Prior Estimates</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">29,157&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(978)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,315&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">595&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">30,089&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">42,274&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(66)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,733&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,514&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">45,455&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">71,431&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,044)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,048&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,109&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">75,544&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="margin-top:5pt;text-align:center"><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:19.775%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.600%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.600%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.600%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.600%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:14.520%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.605%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2019</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities Incurred</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities Settled</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accretion</span></td><td colspan="3" style="display:none"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revisions to Prior Estimates</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (b) (c)</span></div></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28,120&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,217&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(185)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,230&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,225)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">29,157&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(d)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">36,085&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,782&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(132)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,539&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">42,274&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">64,205&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,999&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(317)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,769&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="display:none"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,225)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">71,431&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The Revisions to Prior Estimates were primarily driven by changes in estimates associated with natural gas wells.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;Liabilities incurred were related to new wind assets.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;The Revisions to Prior Estimates were primarily driven by changes in estimated costs associated with back-filling the pit with overburden removed during the mining process.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(d)&#160;&#160;&#160;&#160;Liabilities incurred were driven by an increase in gas pipeline miles; which increases our legal liability for retirement of gas pipelines, specifically to purge and cap these lines in accordance with federal regulations.</span></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13201-110859<br></p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333938841640">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Financing: (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfShortTermDebtTextBlock', window );">Schedule of Short-term Debt</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We had the following Notes payable outstanding at the Consolidated Balance Sheets date (in thousands):</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:44.514%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.498%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance Outstanding</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Letters of Credit </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance Outstanding</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Letters of Credit </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Revolving Credit Facility</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,209&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24,730&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">CP Program</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">420,180&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">234,040&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">420,180&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,209&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">234,040&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24,730&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Letters of credit are off-balance sheet commitments that reduce the borrowing capacity available on our corporate Revolving Credit Facility.</span></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfDebtInstrumentsTextBlock', window );">Schedule of Long-term Debt Instruments</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Long-term debt outstanding was as follows (dollars in thousands):</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:42.970%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.469%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.784%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.637%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.640%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest Rate at</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Balance Outstanding</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Due Date</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline">Corporate</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes due 2023</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">November 30, 2023</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4.25%</span></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">525,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">525,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes due 2024</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">August 23, 2024</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1.04%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">600,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes due 2026</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">January 15, 2026</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3.95%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes due 2027</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">January 15, 2027</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3.15%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">400,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">400,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes, due 2029</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">October 15, 2029</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3.05%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">400,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">400,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes, due 2030</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">June 15, 2030</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2.50%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">400,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">400,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes due 2033</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">May 1, 2033</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4.35%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">400,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">400,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes, due 2046</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">September 15, 2046</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4.20%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Senior unsecured notes, due 2049</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">October 15, 2049</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3.88%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Corporate term loan due 2021</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">June 7, 2021</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,436&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Corporate debt</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,625,000&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,026,436&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Less unamortized debt discount</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(6,125)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(7,013)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Corporate debt, net</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,618,875&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,019,423&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline">South Dakota Electric</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">First Mortgage Bonds due 2032</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">August 15, 2032</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">7.23%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">75,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">75,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">First Mortgage Bonds due 2039</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">November 1, 2039</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6.13%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">180,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">180,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">First Mortgage Bonds due 2044</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">October 20, 2044</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4.43%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">85,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">85,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total South Dakota Electric debt</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">340,000&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">340,000&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Less unamortized debt discount</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(74)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(78)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total South Dakota Electric debt, net</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">339,926&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">339,922&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline">Wyoming Electric</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Industrial development revenue bonds due 2021</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">September 1, 2021</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">7,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Industrial development revenue bonds due 2027</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(a) (b)</span></div></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">March 1, 2027</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">0.15%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">10,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">10,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">First Mortgage Bonds due 2037</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">November 20, 2037</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6.67%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">110,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">110,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">First Mortgage Bonds due 2044</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">October 20, 2044</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4.53%</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">75,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">75,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Wyoming Electric debt</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">195,000&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">202,000&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Less unamortized debt discount</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Wyoming Electric debt, net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">195,000&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">202,000&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:5pt"><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total long-term debt</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4,153,801&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,561,345&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Less current maturities</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,436&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Less unamortized deferred financing costs </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(c)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">26,878&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">24,809&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Long-term debt, net of current maturities and deferred financing costs</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4,126,923&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,528,100&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Variable interest rate.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;A reimbursement agreement is in place with Wells Fargo on behalf of Wyoming Electric for the 2009A bonds of $10 million due March 1, 2027. In the case of default, we hold the assumption of liability for drawings on Wyoming Electric&#8217;s Letter of Credit attached to these bonds.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;Includes deferred financing costs associated with our Revolving Credit Facility of $2.5 million and $1.0 million as of December 31, 2021 and December 31, 2020, respectively.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock', window );">Schedule of Maturities of Long-term Debt</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Scheduled maturities of long-term debt, excluding amortization of premiums or discounts, for future years are (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:38.888%"><tr><td style="width:1.0%"/><td style="width:48.900%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:48.900%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">525,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2024</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">600,000&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2025</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2026</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">300,000&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Thereafter</span></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,735,000&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DeferredFinancingCostsTableTextBlock', window );">Deferred Financing Costs</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Our deferred financing costs and associated amortization expense included in Interest expense on the accompanying Consolidated Statements of Income were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:42.174%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:2.993%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.443%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.443%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.447%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred Financing Costs Remaining at</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amortization Expense for the years ended December 31,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">26,878&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,769&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,272&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,242&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_CreditFacilityAndShortTermDebtCovenantsTableTextBlock', window );">Credit Facility and Short Term Debt Covenants</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We were in compliance with our covenants at December 31, 2021 as shown below:</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:54.097%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:21.886%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.824%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.709%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.884%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2021</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Covenant Requirement</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Consolidated Indebtedness to Capitalization Ratio</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">62.1%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less than</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">65%</span></td></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Credit Facility and Short Term Debt Covenants</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Schedule of Deferred Financing Costs expensed on the Statement of Income and/or net amount presented on the Statement of Financial Position [Table Text Block]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of maturity and sinking fund requirement for long-term debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123465755&amp;loc=d3e1835-112601<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of short-term debt arrangements (having initial terms of repayment within one year or the normal operating cycle, if longer) including: (1) description of the short-term debt arrangement; (2) identification of the lender or type of lender; (3) repayment terms; (4) weighted average interest rate; (5) carrying amount of funds borrowed under the specified short-term debt arrangement as of the balance sheet date; (6) description of the refinancing of a short-term obligation when that obligation is excluded from current liabilities in the balance sheet; and (7) amount of a short-term obligation that has been excluded from current liabilities in the balance sheet because of a refinancing of the obligation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333931075288">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Risk Management And Derivatives (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock', window );">Contract or notional amounts and terms of marketing activities and derivative commodity instruments</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The contract or notional amounts and terms of the natural gas derivative commodity instruments held by our utilities are comprised of both short and long positions. We had the following net long positions as of:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:40.334%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.541%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.541%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.541%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.543%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Notional (MMBtus)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum Term (months) </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Notional (MMBtus)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum Term (months) </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas futures purchased</span></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">590,000&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td><td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">620,000&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas options purchased, net</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,100,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,160,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas basis swaps purchased</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">870,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">900,000&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas over-the-counter swaps, net </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,570,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">34</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,850,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Natural gas physical commitments, net </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(c)</span></div></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16,416,677&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">24</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17,513,061&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">22</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric wholesale contracts</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (c)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">219,000&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12</span></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Term reflects the maximum forward period hedged.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;As of December 31, 2021, 1,830,000 of natural gas over-the-counter swaps purchased were designated as cash flow hedges.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;Volumes exclude derivative contracts that qualify for the normal purchase, normal sales exception permitted by GAAP.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock', window );">Schedule of Derivative Instruments in Statement of Financial Position, Fair Value</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following tables present the fair value and balance sheet classification of our derivative instruments as of December 31, (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"/><td style="width:34.090%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:32.917%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.295%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.298%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance Sheet Location</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivatives designated as hedges:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Asset derivative instruments:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current commodity derivatives</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivative assets - current</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,017&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">181&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Noncurrent commodity derivatives</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other assets, non-current</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">18&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">43&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liability derivative instruments:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current commodity derivatives</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivative liabilities - current</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(108)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total derivatives designated as hedges</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,035&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">116&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivatives not designated as hedges:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Asset derivative instruments:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current commodity derivatives</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivative assets - current</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,356&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,667&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Noncurrent commodity derivatives</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other assets, non-current</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">804&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">151&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liability derivative instruments:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current commodity derivatives</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivative liabilities - current</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,439)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,936)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Noncurrent commodity derivatives</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other deferred credits and other liabilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(20)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total derivatives not designated as hedges</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,701&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(118)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock', window );">Derivative Instruments, Gain (Loss)</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The impact of cash flow hedges on our Consolidated Statements of Income is presented below for the years ended December 31, 2021, 2020 and 2019. Note that this presentation does not reflect the gains or losses arising from the underlying physical transactions; therefore, it is not indicative of the economic profit or loss we realized when the underlying physical and financial transactions were settled.</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:22.730%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.671%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.525%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.525%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:22.730%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.671%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.671%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:7.677%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivatives in Cash Flow Hedging Relationships</span></td><td colspan="9" style="border-bottom:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amount of Gain/(Loss) Recognized in OCI</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income Statement Location</span></td><td colspan="9" style="border-bottom:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amount of Gain/(Loss) Reclassified from AOCI into Income </span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest rate swaps</span></td><td style="background-color:#cfffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cfffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,851&#160;</span></td><td style="background-color:#cfffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,851&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,851&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest expense</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,851)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,851)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,851)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,952&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">540&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(965)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,051&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(601)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">417&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total </span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,803&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,391&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,886&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(800)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3,452)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,434)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table summarizes the impacts of derivative instruments not designated as hedge instruments on our Consolidated Statements of Income for the years ended December 31, 2021, 2020 and 2019. Note that this presentation does not reflect the expected gains or losses arising from the underlying physical transactions; therefore, it is not indicative of the economic gross profit we realized when the underlying physical and financial transactions were settled.</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:30.040%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:38.373%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.695%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.695%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.697%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivatives Not Designated as Hedging Instruments</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income Statement Location</span></td><td colspan="9" style="border-bottom:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amount of Gain/(Loss) on Derivatives Recognized in Income</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Electric</span></td><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(144)</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">144&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Natural Gas</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,599&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,640&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,100)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,455&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,784&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,100)</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
</div></td></tr>
</table>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4E<br> -URI http://asc.fasb.org/extlink&amp;oid=125515794&amp;loc=SL5624181-113959<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4A<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=125515794&amp;loc=SL5618551-113959<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4C<br> -URI http://asc.fasb.org/extlink&amp;oid=125515794&amp;loc=SL5624171-113959<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4B<br> -URI http://asc.fasb.org/extlink&amp;oid=125515794&amp;loc=SL5624163-113959<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the notional amounts of outstanding derivative positions.</p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333941056920">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Fair Value Measurements (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueDisclosuresAbstract', window );"><strong>Fair Value Disclosures [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock', window );">Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following tables set forth, by level within the fair value hierarchy, our gross assets and gross liabilities and related offsetting as permitted by GAAP that were accounted for at fair value on a recurring basis for derivative instruments.</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:38.227%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:2.285%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.081%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.084%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2021</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Level 2</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Level 3</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cash Collateral and Counterparty Netting</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="18" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Assets:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Gas Utilities</span></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,569&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,374)</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,195&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Electric Utilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,569&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,374)</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,195&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities:</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Gas Utilities</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,273&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,814)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,459&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Electric Utilities</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,273&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,814)</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,459&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">_____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;As of December 31, 2021, $2.4&#160;million of our commodity derivative gross assets and $1.8&#160;million of our commodity derivative gross liabilities, as well as related gross collateral amounts, were subject to master netting agreements.</span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:38.227%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.841%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:2.285%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.081%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.084%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2020</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Level 2</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Level 3</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cash Collateral and Counterparty Netting</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Assets:</span></td><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Gas Utilities</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,504&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,527)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">977&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Electric Utilities</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,065&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,065&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,569&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,527)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,042&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Gas Utilities</span></td><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,675&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,552)</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,123&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity derivatives - Electric Utilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">921&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">921&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,596&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,552)</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,044&#160;</span></td><td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;As of December 31, 2020, $1.5&#160;million of our commodity derivative assets and $1.6&#160;million of our commodity derivative liabilities, as well as related gross collateral amounts, were subject to master netting agreements.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByBalanceSheetGroupingTextBlock', window );">Fair Value, by Balance Sheet Grouping</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table presents the carrying amounts and fair values of financial instruments not recorded at fair value on the Consolidated Balance Sheets at December 31 (in thousands):</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:40.420%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.519%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.519%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.519%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.523%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Carrying Amount</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fair Value</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Carrying Amount</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fair Value</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Long-term debt, including current maturities </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,126,923&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,570,619&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,536,536&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,208,167&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Long-term debt is valued based on observable inputs available either directly or indirectly for similar liabilities in active markets and therefore is classified in Level 2 in the fair value hierarchy. Carrying amount of long-term debt is net of deferred financing costs.</span></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).</p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333938404232">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Other Comprehensive Income (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract', window );"><strong>Statement of Comprehensive Income [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock', window );">Reclassification out of Accumulated Other Comprehensive Income</a></td>
<td class="text">The amounts in parentheses below indicate decreases to Net income in the Consolidated Statements of Income for the period, net of tax (in thousands):<table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:41.005%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:23.461%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.566%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.568%"/><td style="width:0.1%"/></tr><tr style="height:12pt"><td colspan="3" rowspan="2" style="padding:0 1pt"/><td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Location on the Consolidated Statements of Income</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amount Reclassified from AOCI</span></td></tr><tr style="height:12pt"><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gains and (losses) on cash flow hedges:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest rate swaps</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest expense</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,851)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,851)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity contracts</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,051&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(601)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(800)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3,452)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income tax</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income tax benefit (expense)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">175&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">383&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total reclassification adjustments related to cash flow hedges, net of tax</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(625)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3,069)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of components of defined benefit plans:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Prior service cost</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Operations and maintenance</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">98&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">103&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Actuarial gain (loss)</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Operations and maintenance</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,391)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,387)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,293)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,284)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income tax</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income tax benefit (expense)</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">638&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">935&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total reclassification adjustments related to defined benefit plans, net of tax</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,655)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,349)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total reclassifications</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,280)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(4,418)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><span></span>
</td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock', window );">Schedule of Accumulated Other Comprehensive Income (Loss)</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Balances by classification included within AOCI, net of tax on the accompanying Consolidated Balance Sheets were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:40.481%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:17.055%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.566%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.223%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.175%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivatives Designated as Cash Flow Hedges</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest Rate Swaps</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity Derivatives</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Employee Benefit Plans</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2020</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(12,558)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,790)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(27,346)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other comprehensive income (loss) </span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">before reclassifications</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,023&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,959&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,982&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amounts reclassified from AOCI</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,174&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,549)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,655&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,280&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2021</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(10,384)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,476&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(11,176)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(20,084)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Derivatives Designated as Cash Flow Hedges</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest Rate Swaps</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Commodity Derivatives</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Employee Benefit Plans</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2019</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(15,122)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(456)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(15,077)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(30,655)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other comprehensive income (loss) </span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">before reclassifications</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(47)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,062)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,109)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amounts reclassified from AOCI</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,564&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">505&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,349&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,418&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31, 2020</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(12,558)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,790)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(27,346)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
</tr>
</table>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the components of accumulated other comprehensive income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6450520&amp;loc=d3e32583-110901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14A<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669686-108580<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 45<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=118261656&amp;loc=d3e32211-110900<br></p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333935915016">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Variable Interest Entity (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract', window );"><strong>Organization, Consolidation and Presentation of Financial Statements [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock', window );">Schedule of Variable Interest Entities</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We have recorded the following assets and liabilities on our consolidated balance sheets related to the VIE described above as of December 31 (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"/><td style="width:70.894%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.536%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.533%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.537%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Assets:</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current assets</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,220&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,604&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Property, plant and equipment of variable interest entities, net</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">189,079&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">190,637&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liabilities:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current liabilities</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,841&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,318&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the significant judgments and assumptions made in determining whether a variable interest (as defined) held by the entity requires the variable interest entity (VIE) (as defined) to be consolidated and (or) disclose information about its involvement with the VIE, individually or in aggregate (as applicable); the nature of restrictions, if any, on the consolidated VIE's assets and on the settlement of its liabilities reported by an entity in its statement of financial position, including the carrying amounts of such assets and liabilities; the nature of, and changes in, the risks associated with involvement in the VIE; how involvement with the VIE affects the entity's financial position, financial performance, and cash flows; the lack of recourse if creditors (or beneficial interest holders) of the consolidated VIE have no recourse to the general credit of the primary beneficiary (if applicable); the terms of arrangements, giving consideration to both explicit arrangements and implicit variable interests, if any, that could require the entity to provide financial support to the VIE, including events or circumstances that could expose the entity to a loss; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; the significant factors considered and judgments made in determining that the power to direct the activities of a VIE that most significantly impact the VIE's economic performance are shared (as defined); the carrying amounts and classification of assets and liabilities of the VIE included in the statement of financial position; the entity's maximum exposure to loss, if any, as a result of its involvement with the VIE, including how the maximum exposure is determined and significant sources of the entity's exposure to the VIE; a comparison of the carrying amounts of the assets and liabilities and the entity's maximum exposure to loss; information about any liquidity arrangements, guarantees, and (or) other commitments by third parties that may affect the fair value or risk of the entity's variable interest in the VIE; whether or not the entity has provided financial support or other support (explicitly or implicitly) to the VIE that it was not previously contractually required to provide or whether the entity intends to provide that support, including the type and amount of the support and the primary reasons for providing the support; and supplemental information the entity determines necessary to provide.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5A<br> -URI http://asc.fasb.org/extlink&amp;oid=123419778&amp;loc=SL6759159-111685<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123419778&amp;loc=d3e5747-111685<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=123419778&amp;loc=SL6228884-111685<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=123419778&amp;loc=d3e5710-111685<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123419778&amp;loc=d3e5728-111685<br></p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333934759528">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Employee Benefit Plans (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
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<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
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<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The percentages of total plan asset by investment category for our Pension Plan at December 31 were as follows:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:32.379%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:32.233%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:32.088%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Equity</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Real estate</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fixed income</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">74</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">69</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cash</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Hedge funds</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100%</span></td></tr></table></div><span></span>
</td>
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<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_ScheduleOfEmployerContributionToEmployeeBenefitPlansTableTextBlock', window );">Schedule of Employer Contribution to Employee Benefit Plans</a></td>
<td class="text">Contributions for the years ended December 31 were as follows (in thousands):<table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:69.617%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.541%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.542%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Defined Contribution Plan</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Company retirement contributions</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11,332&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10,455&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Company matching contributions</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15,938&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15,240&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:69.617%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.541%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:13.542%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline">Defined Benefit Plans</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit Pension Plan</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12,700&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-Pension Defined Benefit Postretirement Healthcare Plan</span></td><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,432&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,058&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental Non-Qualified Defined Benefit Plans</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,576&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,674&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfChangesInProjectedBenefitObligationsTableTextBlock', window );">Schedule of Changes in Projected Benefit Obligations</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following tables provide a reconciliation of the employee benefit plan obligations and fair value of employee benefit plan assets, amounts recognized in the Consolidated Balance Sheets, accumulated benefit obligation, and reconciliation of components of the net periodic expense and elements of AOCI (in thousands):</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Employee Benefit Plan Obligations</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:38.081%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.256%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.256%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.402%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.701%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit Pension Plan</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental Non-qualified Defined <br/>Benefit Plans</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Change in benefit obligation:</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Projected benefit obligation at beginning of year</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">514,008&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">485,376&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">55,054&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">54,088&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">70,238&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">65,277&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Service cost </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,038&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,411&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,149&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,579&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,237&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,056&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Interest cost</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,313&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,426&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">706&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,099&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,058&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,649&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Actuarial (gain) loss</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,037)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">47,064&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,073)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">962&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(5,165)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,804&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amendments</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(561)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Benefits paid </span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(35,499)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(37,269)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,576)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,674)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6,432)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6,058)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Plan participants&#8217; contributions</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,548&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,510&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Projected benefit obligation at end of year</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">478,262&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">514,008&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">55,260&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">55,054&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">63,484&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">70,238&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;For the year ended December 31, 2020, Service Cost for the Supplemental Non-qualified Defined Benefit Plans includes a $1.4&#160;million correction of a prior year overstatement of Projected benefit obligation.</span></div><span></span>
</td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfChangesInFairValueOfPlanAssetsTableTextBlock', window );">Schedule of Changes in Fair Value of Plan Assets</a></td>
<td class="text"><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:38.081%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.256%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.256%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.402%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.701%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental Non-qualified Defined <br/>Benefit Plans</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Change in fair value of plan assets:</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Beginning fair value of plan assets</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">473,721&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">434,284&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,165&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,305&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Investment income (loss)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">20,165&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">64,006&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(35)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">33&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Employer contributions</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12,700&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,576&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,674&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,726&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,374&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Retiree contributions</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,548&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,511&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Benefits paid</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(35,499)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(37,269)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,576)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2,674)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6,432)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6,058)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Ending fair value of plan assets</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">458,387&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">473,721&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,972&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,165&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Assets of VEBA trusts.</span></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAmountsRecognizedInBalanceSheetTableTextBlock', window );">Schedule of Amounts Recognized in Balance Sheet</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Amounts Recognized in the Consolidated Balance Sheets</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:37.788%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.402%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.402%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.402%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.702%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental<br/>Non-qualified Defined Benefit Plans</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory assets</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">67,403&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">86,677&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11,660&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">16,102&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current liabilities</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,156&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,927&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,584&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,931&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-current liabilities</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">19,872&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40,287&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">53,104&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">53,127&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">50,949&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">57,142&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory liabilities</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,830&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,607&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,447&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,140&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAccumulatedAndProjectedBenefitObligationsTableTextBlock', window );">Schedule of Accumulated and Projected Benefit Obligations</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline">Accumulated Benefit Obligation</span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:37.788%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.402%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.402%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.572%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.402%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.702%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental<br/>Non-qualified Defined Benefit Plans</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accumulated Benefit Obligation</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">466,505&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">498,815&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">55,260&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">54,779&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">63,484&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">70,238&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock', window );">Components of Net Periodic Benefit Cost</a></td>
<td class="text"><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:27.701%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.655%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Supplemental<br/>Non-qualified Defined Benefit Plans</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">For the years ended December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Service cost </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(a)</span></div></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">5,038&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">5,411&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">5,383&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,149&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,579&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4,995&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2,237&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2,056&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,815&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest cost</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">9,313&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">13,426&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">17,374&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">706&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,099&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,295&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,058&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,649&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2,247&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Expected return on assets</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(20,876)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(22,591)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(24,401)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(136)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(182)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(230)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net amortization of prior service cost</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">26&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(434)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(546)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(398)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Recognized net actuarial loss (gain)</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">7,315&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,372&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,763&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,754&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,702&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">535&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">466&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">20&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net periodic expense</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">790&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4,618&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2,145&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">5,609&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4,382&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6,827&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,191&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2,997&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">3,434&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;For the year ended December 31, 2020, Service Cost for the Supplemental Non-qualified Defined Benefit Plans includes a $1.4&#160;million correction of a prior year overstatement of Projected benefit obligation.</span></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfNetPeriodicBenefitCostNotYetRecognizedTableTextBlock', window );">Schedule of Net Periodic Benefit Cost Not yet Recognized</a></td>
<td class="text"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:37.699%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.416%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.416%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.532%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.588%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.588%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.532%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.416%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:8.713%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental<br/>Non-qualified Defined Benefit Plans</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">As of December 31,</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net (gain) loss</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,398&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,511&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,159&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,323&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(308)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">100&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Prior service cost (gain)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(46)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(27)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(144)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total amounts included in AOCI, after-tax not yet recognized as components of net periodic expense</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,352&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,511&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,159&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,323&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(335)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(44)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock', window );">Schedule of Assumptions Used</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Assumptions</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:27.701%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.655%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental<br/>Non-qualified Defined Benefit Plans</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-average assumptions used to determine benefit obligations:</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Discount rate</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.88&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.56&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.27&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.77&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.41&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.14&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.79&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.41&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.15&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Rate of increase in compensation levels</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.08&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.34&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.49&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.00&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.00&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.00&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td></tr></table></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:27.701%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.648%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:6.655%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit<br/>Pension Plan</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental<br/>Non-qualified Defined Benefit Plans</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-average assumptions used to determine net periodic benefit cost for plan year:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Discount rate </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.56&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.27&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.40&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.41&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.14&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.34&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.41&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.15&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.28&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Expected long-term rate of return on assets </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.50&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.25&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6.00&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1.80&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.35&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.00&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Rate of increase in compensation levels</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.34&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.49&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3.52&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.00&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.00&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.00&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">N/A</span></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The estimated discount rate for the Defined Benefit Pension Plan is 2.88% for the calculation of the 2022 net periodic pension costs.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(b)&#160;&#160;&#160;&#160;The expected rate of return on plan assets is 4.25% for the calculation of the 2022 net periodic pension cost.</span></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfHealthCareCostTrendRatesTableTextBlock', window );">Schedule of Health Care Cost Trend Rates</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The healthcare benefit obligation at December 31 was determined as follows:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:55.917%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:20.391%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:20.392%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%">Trend Rate - Medical</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pre-65 for next year - All Plans</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6.05%</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6.10%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Pre-65 Ultimate trend rate - Black Hills Corp</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.50%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.50%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Trend Year</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2030</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2027</span></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Post-65 for next year - All Plans</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5.10%</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.92%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Post-65 Ultimate trend rate - Black Hills Corp</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.50%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4.50%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Trend Year</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2030</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2029</span></td></tr></table></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock', window );">Schedule of Expected Benefit Payments</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following benefit payments to employees, which reflect future service, are expected to be paid (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:22.876%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.198%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:28.285%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.530%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:24.781%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Defined Benefit Pension Plan</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Supplemental Non-qualified Defined Benefit Plans</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">26,249&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,156&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,806&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,133&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,224&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,334&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2024</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">27,683&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,410&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,042&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2025</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28,650&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,757&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,865&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2026</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28,968&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,782&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,752&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2027-2031</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">144,422&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12,553&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21,615&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember', window );">Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock', window );">Schedule of Allocation of Plan Assets</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following tables set forth, by level within the fair value hierarchy, the assets that were accounted for at fair value on a recurring basis (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"/><td style="width:33.064%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.021%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Pension Plan</span></td><td colspan="33" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2021</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 2</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 3</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments Measured at Fair Value</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">NAV </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Collective Trust - Cash and Cash Equivalents</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6,009&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6,009&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6,009&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Collective Trust - Equity</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">70,262&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">70,262&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">70,262&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Collective Trust - Fixed Income</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">339,219&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">339,219&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">339,219&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Collective Trust - Real Estate</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">30,407&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">30,407&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Hedge Funds</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">12,490&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">12,490&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total investments measured at fair value</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">415,490&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">415,490&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">42,897&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">458,387&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"/><td style="width:33.064%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.021%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Pension Plan</span></td><td colspan="33" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 2</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 3</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments Measured at Fair Value</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">NAV </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Collective Trust - Cash and Cash Equivalents</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">16,810&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">16,810&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">16,810&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Collective Trust - Equity</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">100,311&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">100,311&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">100,311&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Collective Trust - Fixed Income</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">324,845&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">324,845&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">324,845&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Common Collective Trust - Real Estate</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">14,301&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">14,301&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Hedge Funds</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">17,454&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">17,454&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total investments measured at fair value</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">441,966&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">441,966&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">31,755&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">473,721&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Certain investments that are measured at fair value using NAV per share (or its equivalent) for practical expedient have not been classified in the fair value hierarchy. The fair value amounts presented in these tables for these investments are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the reconciliation of changes in the plan&#8217;s benefit obligations and fair value of plan assets above.</span></div><span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_DefinedBenefitPostretirementHealthCoverageMember', window );">Postretirement Health Coverage</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock', window );">Schedule of Allocation of Plan Assets</a></td>
<td class="text"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"/><td style="width:44.207%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:9.021%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td><td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2021</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 2</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 3</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments Measured at Fair Value</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Cash and Cash Equivalents</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">7,972&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">7,972&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">7,972&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total investments measured at fair value</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">7,972&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">7,972&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">7,972&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"/><td style="width:44.207%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:9.017%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.826%"/><td style="width:0.1%"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="width:1.0%"/><td style="width:9.021%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Non-pension Defined Benefit Postretirement Healthcare Plan</span></td><td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">December 31, 2020</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 1</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 2</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Level 3</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments Measured at Fair Value</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total Investments</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Cash and Cash Equivalents</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,165&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,165&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,165&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total investments measured at fair value</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,165&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,165&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,165&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><span></span>
</td>
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<div style="display: none;">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Schedule of Employer Contribution to Defined Benefit and Defined Contribution Plans [Table Text Block]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfAccumulatedAndProjectedBenefitObligationsTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of benefit obligations including accumulated benefit obligation and projected benefit obligation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfAccumulatedAndProjectedBenefitObligationsTableTextBlock</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans.  This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(5)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the amounts that are recognized in the balance sheet (or statement of financial position) for pension plans and/or other employee benefit plans, showing separately the assets and current and noncurrent liabilities (if applicable) recognized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td style="white-space:nowrap;">us-gaap_ScheduleOfAmountsRecognizedInBalanceSheetTableTextBlock</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of assumption used to determine benefit obligation and net periodic benefit cost of defined benefit plan. Includes, but is not limited to, discount rate, rate of compensation increase, expected long-term rate of return on plan assets and interest crediting rate.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfAssumptionsUsedTableTextBlock</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the reconciliation of beginning and ending balances of the fair value of plan assets of pension plans and/or other employee benefit plans showing separately, if applicable, the effects during the period attributable to each of the following: actual return on plan assets, foreign currency exchange rate changes, contributions by the employer, contributions by plan participants, benefits paid, business combinations, divestitures, and settlements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
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<tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the change in the benefit obligation of pension plans and/or other employee benefit plans from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfChangesInProjectedBenefitObligationsTableTextBlock</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the assumed health care cost trend rates for the next year used to measure the expected cost of benefits covered by the plans, including the ultimate trend rate(s) and when that rate is expected to be achieved.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (l)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfHealthCareCostTrendRatesTableTextBlock</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfNetBenefitCostsTableTextBlock</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the amounts related to pension plans and/or other employee benefit plans in accumulated other comprehensive income or loss that have not yet been recognized as components of net periodic benefit cost, such as the net gain (loss), net prior service cost or credit, and net transition asset or obligation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (j)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<tr>
<td><strong> Name:</strong></td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333939414520">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Share-based Compensation Plans (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="text">&#160;<span></span>
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<tr class="ro">
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<td class="text">Stock-based compensation expense, which is included in Operations and maintenance on the accompanying Consolidated Statements of Income, was as follows for the years ended December 31 (in thousands):<table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:56.733%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.955%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.955%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.957%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Stock-based compensation expense</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,655&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,373&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12,095&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><span></span>
</td>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock', window );">Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A summary of the status of the restricted stock and restricted stock units at December 31, 2021, was as follows:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:59.661%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:16.469%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:20.570%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Restricted Stock</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-Average Grant Date Fair Value</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance at January 1, 2021</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">196&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">69.05&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Granted</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">118&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">65.64&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Vested</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(83)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">67.85&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Forfeited</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(12)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">69.59&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Balance at December 31, 2021</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">219&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">67.64&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The weighted-average grant-date fair value of restricted stock granted and the total fair value of shares vested during the years ended December 31, were as follows:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"/><td style="width:59.897%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.401%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.402%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-Average Grant Date Fair Value</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Fair Value of Shares Vested</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">65.64&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,400&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">69.49&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">6,722&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">73.66&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,438&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock', window );">Disclosure of Share-based Compensation Arrangements by Share-based Payment Award</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The outstanding performance periods at December 31, 2021 were as follows (shares in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:19.514%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:30.478%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:19.806%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.350%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.352%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Possible Payout Range of Target</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Grant Date</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Period</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Target Grant of Shares</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Minimum</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Maximum</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2020</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2020 - December 31, 2022</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">36</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0%</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">200%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2019</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2019 - December 31, 2021</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">36</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">200%</span></td></tr></table></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">A summary of the status of the Performance Share Plan at December 31, 2021 was as follows:</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:40.420%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.326%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.835%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.423%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Equity Portion</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Liability Portion</span></td></tr><tr style="height:24pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-Average Grant Date Fair Value</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-Average Fair Value at</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Shares</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Shares</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2021</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(in thousands)</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Shares balance at beginning of period</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">61&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">69.71&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">61&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Granted</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Forfeited</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Vested</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(25)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">61.82&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(25)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Shares balance at end of period</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">36&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">68.14&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">36&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">31.51&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The grant date fair values for the performance shares granted in 2020 and 2019 were determined by Monte Carlo simulation using a blended volatility of 18% and 21%, respectively, comprised of 50% historical volatility and 50% implied volatility and the average risk-free interest rate of the three-year United States Treasury security rate in effect as of the grant date.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The weighted-average grant-date fair value of performance share awards granted was as follows in the years ended:</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:74.777%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:23.023%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted Average Grant Date Fair Value</span></td></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2020</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">81.42&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">December 31, 2019</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">68.72&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
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<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PerformancePlanPayoutsTableTextBlock', window );">Performance Plan Payouts</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Performance plan payouts have been as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:50.215%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.595%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.595%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.595%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.500%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Period</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Year Paid</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Stock Issued</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Cash Paid</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Intrinsic Value</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2018 to December 31, 2020</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">28&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,647&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,294&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2017 to December 31, 2019</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">14&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,100&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,199&#160;</span></td><td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">January 1, 2016 to December 31, 2018</span></td><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">44&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,860&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,720&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock', window );">Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions</a></td>
<td class="text">The Monte Carlo simulation is used to estimate expected share payout based on the Company&#8217;s TSR for a three-year performance period relative to the designated peer group beginning January 1 of the award year.<table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:72.730%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:1.700%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.036%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Fair value of share units award</span></td><td colspan="9" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$64.97</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Three-year risk-free rate</span></td><td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0.17%</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Black Hills Corporation&#8217;s common stock volatility</span></td><td colspan="9" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">33%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Volatility range for the peer group</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">25&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">-</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">76%</span></td></tr></table><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock', window );">Schedule of Nonvested Share Activity</a></td>
<td class="text">The grant-date fair value for an individual outcome of a performance condition is determined by the closing common share price on the grant date.<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table summarizes the performance share unit activity for the year ended December&#160;31, 2021:</span></div><div><span><br/></span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:40.420%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.326%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:14.835%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.423%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Share Units - <br/>Market Condition</span></td><td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Performance Share Units - <br/>Performance Condition</span></td></tr><tr style="height:24pt"><td colspan="3" style="padding:0 1pt"/><td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Share Units</span></td><td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-Average Fair Value per Share Unit</span></td><td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Share Units</span></td><td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Weighted-Average Fair Value per Share Unit</span></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nonvested at January 1, 2021</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Granted</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32,903&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">64.97&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21,948&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">61.45&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Nonvested at December 31, 2021</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32,903&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">64.97&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21,948&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">61.45&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
</tr>
</table>
<div style="display: none;">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>[Table Text Block] for Performance Plan Payouts [Table]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5047-113901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
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<tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (h)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 14.F)<br> -URI http://asc.fasb.org/extlink&amp;oid=122041274&amp;loc=d3e301413-122809<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5047-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the changes in outstanding nonvested shares.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333931085352">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock', window );">Schedule of Components of Income Tax Expense (Benefit)</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Income tax expense (benefit) from continuing operations for the years ended December 31 was (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:58.110%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.498%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current:</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Federal</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">574&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(6,020)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(8,578)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(666)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">847&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">138&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Current income tax (benefit)</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(92)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(5,173)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(8,440)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Federal</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,170&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">35,672&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">34,551&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,091&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,419&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,469&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred income tax expense</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,261&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">38,091&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">38,020&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Income tax expense</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">7,169&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">32,918&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">29,580&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
</td>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock', window );">Schedule of Effective Income Tax Rate Reconciliation</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Effective Tax Rates</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The effective tax rate differs from the federal statutory rate for the years ended December 31, as follows:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:58.110%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.498%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Federal statutory rate</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21.0&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21.0&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">21.0&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State income tax (net of federal tax effect)</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1.2&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.4&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1.5&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Non-controlling interest </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1.2)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1.2)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1.2)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Tax credits</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(b)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(8.4)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(9.2)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3.9)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Flow-through adjustments</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (c)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3.2)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1.6)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2.4)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Uncertain Tax Benefits</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0.3&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1.5&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Valuation Allowance</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0.7&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other tax differences</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(0.2)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">0.6&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1.6)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amortization of excess deferred income tax expense </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(d)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3.1)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(2.3)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1.2)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:12pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">TCJA bill credits </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(e)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(3.6)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Effective Tax Rate</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2.8&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">11.9&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td><td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">12.2&#160;</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">%</span></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The effective tax rate reflects the income attributable to the non-controlling interest in Black Hills Colorado IPP for which a tax provision was not recorded.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:115%">(b)&#160;&#160;&#160;&#160;In 2020, the Company completed a research and development study which encompassed tax years from 2013 to 2019.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(c)&#160;&#160;&#160;&#160;Flow-through adjustments related primarily to accounting method changes for tax purposes that allow us to take a current tax deduction for repair costs, certain indirect costs and gain deferral. We recorded a deferred income tax liability in recognition of the temporary difference created between book and tax treatment and flowed the tax benefit through to tax expense. A regulatory asset was established to reflect the recovery of future increases in taxes payable from customers as the temporary differences reverse. As a result of this regulatory treatment, we continue to record tax benefits consistent with the flow-through method.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(d)&#160;&#160;&#160;&#160;Primarily TCJA - see above.</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(e)&#160;&#160;&#160;&#160;As discussed in </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_175" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline">Note 2</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"> above, Colorado Electric and Nebraska Gas bill credits, which represent a disposition of excess deferred income tax benefits resulting from the TCJA, were delivered to customers in 2021. These bill credits, which resulted in a reduction in revenue, were offset by a reduction in income tax expense and resulted in a minimal impact to Net income for the year ended December 31, 2021.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock', window );">Schedule of Deferred Tax Assets and Liabilities</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The temporary differences, which gave rise to the net deferred tax liability, for the years ended December 31 were as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:60.595%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.052%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.053%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred tax assets:</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory liabilities</span></td><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">77,099&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">90,535&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State tax credits</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">23,342&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">23,339&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Federal NOL</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">227,535&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">96,155&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State NOL</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">33,639&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,914&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Partnership</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">13,395&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">15,601&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Credit Carryovers</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">68,646&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">51,445&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other deferred tax assets</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">31,996&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">40,143&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Less: Valuation allowance</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(14,719)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(13,943)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total deferred tax assets</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">460,933&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">313,189&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Deferred tax liabilities:</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Accelerated depreciation, amortization and other property-related differences</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(597,284)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(551,137)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Regulatory assets</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"> (a)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(124,582)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(28,007)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Goodwill</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(45,471)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(30,590)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-left:6.75pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State deferred tax liability </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(109,136)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(73,910)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Other deferred tax liabilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(49,848)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(38,169)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total deferred tax liabilities</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(926,321)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(721,813)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:15pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Net deferred tax liability</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(465,388)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(408,624)</span></td><td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Increase primarily driven by Winter Storm Uri &#8212; see above.</span></div><span></span>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SummaryOfOperatingLossCarryforwardsTextBlock', window );">Summary of Operating Loss Carryforwards</a></td>
<td class="text"><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">At December 31, 2021, we have federal and state NOL carryforwards that will expire at various dates as follows (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"/><td style="width:40.481%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:2.853%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:18.372%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:2.853%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:10.759%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:5.781%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.201%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amounts</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Expiration Dates</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Federal NOL Carryforward</span></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"/><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">476,033&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">to</span></td><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2037</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Federal NOL Carryforward</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">607,465&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">No expiration</span></td></tr><tr style="height:15pt"><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/><td colspan="3" style="background-color:#cefee7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State NOL Carryforward </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">572,203&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2022</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">to</span></td><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2041</span></td></tr></table></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;The carryforward balance is reflected on the basis of apportioned tax losses to jurisdictions imposing state income taxes.</span></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SummaryOfIncomeTaxContingenciesTextBlock', window );">Summary of Income Tax Contingencies</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">The following table reconciles the total amounts of unrecognized tax benefits, without interest, at the beginning and end of the period included in Other deferred credits and other liabilities on the accompanying Consolidated Balance Sheets (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:31.794%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:21.268%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:21.268%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:21.270%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Changes in Uncertain Tax Positions:</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Beginning balance</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,383&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,165&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,583&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Additions for prior year tax positions</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">448&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,788&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">446&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Reductions for prior year tax positions</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(732)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(1,313)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">(862)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Additions for current year tax positions</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2,455&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,743&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">998&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/><td colspan="3" style="display:none"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Ending balance</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10,554&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,383&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,165&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><span></span>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SummaryOfTaxCreditCarryforwardsTextBlock', window );">Summary of State Tax Carryforwards</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">State tax credits have been generated and are available to offset future state income taxes.  At December 31, 2021, we had the following state tax credit carryforwards (in thousands):</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"/><td style="width:34.090%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:15.322%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:19.574%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:5.938%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:19.576%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">State Tax Credit Carryforwards</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amounts</span></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Expiration Year</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">ITC</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">23,060&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2023</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">to</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2041</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Research and development</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">282&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">No expiration</span></td></tr></table></div><span></span>
</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32639-109319<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure for tax positions taken in the tax returns filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities and other income tax contingencies. Includes, but is not limited to, interest and penalties, reconciliation of unrecognized tax benefits, unrecognized tax benefits that would affect the effective tax rate, tax years that remain subject to examination by tax jurisdictions, and information about positions for which it is reasonably possible that amounts unrecognized will significantly change within 12 months.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of pertinent information, such as tax authority, amounts, and expiration dates, of net operating loss carryforwards, including an assessment of the likelihood of utilization.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32559-109319<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of tax credit carryforwards available to reduce future taxable income, including amounts, expiration dates, limitations on use and the related deferred tax assets and valuation allowances.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32559-109319<br></p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936085160">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business Segment Information (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock', window );">Segment information included in Consolidated Balance Sheets</a></td>
<td class="text"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Segment information was as follows (in thousands):</span></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:71.707%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.497%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total Assets (net of intercompany eliminations) as of December 31, </span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,796,662&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,602,233&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,246,370&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,376,204&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Corporate and Other</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">88,864&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">110,349&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total assets</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">9,131,896&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">8,088,786&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:58.110%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.496%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.498%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Capital Expenditures </span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(a)</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"> for the years ended December 31, </span></div></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2021</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2020</span></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">2019</span></td></tr><tr><td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">285,770&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">288,683&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">316,687&#160;</span></td><td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">383,320&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">449,209&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">512,366&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Corporate and Other</span></td><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">10,500&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">17,500&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">20,702&#160;</span></td><td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Total capital expenditures</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">679,590&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">755,392&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%">849,755&#160;</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">____________________</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(a)&#160;&#160;&#160;&#160;Includes accruals for property, plant and equipment as disclosed in the Supplemental Cash Flow Information to the </span><span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#id989d46d3f644c989facd8bd19325da5_163" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline">Consolidated Statement of Cash Flows</a></span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%">.</span></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock', window );">Segment information included in Consolidated Statements of Income</a></td>
<td class="text"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:38.227%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.037%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Consolidating Income Statement</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Year ended December 31, 2021</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Corporate</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Inter-Company Eliminations</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total</span></td></tr><tr style="height:3pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="15" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Revenue -</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Contracts with customers</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">825,404&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,105,430&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,930,834&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">5,336&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">12,932&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">18,268&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">830,740&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,118,362&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,949,102&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Inter-company operating revenue -</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Contracts with customers</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">11,518&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6,110&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">196&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(17,824)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">393&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">356,151&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(356,544)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">11,518&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6,503&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">356,347&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(374,368)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total revenue</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">842,258&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,124,865&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">356,347&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(374,368)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,949,102&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">248,018&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">494,738&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">96&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(918)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">741,934&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operations and maintenance, including taxes</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">260,036&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">314,810&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">293,265&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(306,325)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">561,786&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Depreciation, depletion and amortization</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">131,528&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">104,160&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">26,838&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(26,573)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">235,953&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operating income (loss)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">202,676&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">211,157&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">36,148&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(40,552)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">409,429&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest expense, net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(152,404)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Impairment of investment</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other income (expense), net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,404&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Income tax benefit (expense)</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(7,169)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">251,260&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income attributable to non-controlling interest</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(14,516)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income available for common stock</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">236,744&#160;</span></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:38.227%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.037%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Consolidating Income Statement</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Year ended December 31, 2020</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Corporate</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Inter-Company Eliminations</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total</span></td></tr><tr style="height:5pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="15" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Revenue -</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Contracts with customers</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">721,108&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">959,696&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,680,804&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">6,175&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">9,962&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">16,137&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">727,283&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">969,658&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,696,941&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Inter-company operating revenue -</span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Contracts with customers</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">11,574&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">4,724&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">167&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(16,465)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">288&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">352,976&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(353,264)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">11,574&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">5,012&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">353,143&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(369,729)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total revenue</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">738,857&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">974,670&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">353,143&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(369,729)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,696,941&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">138,572&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">354,645&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">83&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(896)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">492,404&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operations and maintenance, including taxes</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">265,679&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">303,577&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">284,501&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(301,980)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">551,777&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Depreciation, depletion and amortization</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">123,632&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">100,559&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">25,150&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(24,884)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">224,457&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operating income (loss)</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">210,974&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">215,889&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">43,409&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(41,969)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">428,303&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest expense, net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(143,470)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Impairment of investment</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(6,859)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other income (expense), net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(2,293)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Income tax benefit (expense)</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(32,918)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">242,763&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income attributable to non-controlling interest</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(15,155)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Net income available for common stock</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">227,608&#160;</span></td><td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div><span><br/></span></div><div style="text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"/><td style="width:38.227%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.034%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.037%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Consolidating Income Statement</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Year ended December 31, 2019</span></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Electric Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Gas Utilities</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Corporate</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Inter-Company Eliminations</span></td><td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total</span></td></tr><tr style="height:5pt"><td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/><td colspan="15" style="border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Revenue - </span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Contracts with customers</span></td><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">719,205&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,007,187&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,726,392&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,124&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">384&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">8,508&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">727,329&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,007,571&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,734,900&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Inter-company operating revenue - </span></td><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Contracts with customers</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">12,026&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2,459&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">230&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(14,715)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other revenues</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">343,974&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(343,974)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">12,026&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">2,459&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">344,204&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(358,689)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">&#8212;&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Total revenue</span></td><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">739,355&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,010,030&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">344,204&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(358,689)</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">1,734,900&#160;</span></td><td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Fuel, purchased power and cost of natural gas sold</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">145,972&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">425,898&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">269&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(1,310)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">570,829&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operations and maintenance, including taxes</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">259,167&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">301,844&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">286,800&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(298,902)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">548,909&#160;</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Depreciation, depletion and amortization</span></td><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">116,539&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">92,317&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">22,065&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(21,801)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">209,120&#160;</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Operating income (loss)</span></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">217,677&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">189,971&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">35,070&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(36,676)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">406,042&#160;</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr style="height:5pt"><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Interest expense, net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(137,659)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Impairment of investment</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(19,741)</span></td><td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Other income (expense), net</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(5,740)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%">Income tax benefit (expense)</span></td><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/><td colspan="2" 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<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Business Description And Significant Accounting Policies: Accounts Receivable (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
<th class="th"><div>Dec. 31, 2018</div></th>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="num">$ (2,113)<span></span>
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<td class="num">$ (7,003)<span></span>
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<td class="num">$ (2,444)<span></span>
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<td class="num">$ (3,209)<span></span>
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<td class="nump">321,652<span></span>
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<td class="nump">265,961<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsNotesAndLoansReceivableLineItems', window );"><strong>Accounts Receivable [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">181,027<span></span>
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<td class="nump">146,899<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsNotesAndLoansReceivableLineItems', window );"><strong>Accounts Receivable [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">$ 142,738<span></span>
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<td class="nump">$ 126,065<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.</p></div>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=124259787&amp;loc=d3e4428-111522<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6676-107765<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124259787&amp;loc=d3e4531-111522<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsReceivableNetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of allowance for credit loss on accounts receivable, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123577603&amp;loc=d3e5074-111524<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 326<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=124255206&amp;loc=SL82895884-210446<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=us-gaap_BilledRevenuesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=us-gaap_BilledRevenuesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=us-gaap_UnbilledRevenuesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsNotesLoansAndFinancingReceivablesByBillingStatusTypeAxis=us-gaap_UnbilledRevenuesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333930171464">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business Description And Significant Accounting Policies: Allowance for Doubtful Accounts (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward', window );"><strong>Accounts Receivable, Allowance for Credit Loss [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent', window );">Accounts Receivable, Allowance for Credit Loss, Current</a></td>
<td class="nump">$ 7,003<span></span>
</td>
<td class="nump">$ 2,444<span></span>
</td>
<td class="nump">$ 3,209<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProvisionForDoubtfulAccounts', window );">Additions Charged to Costs and Expenses</a></td>
<td class="nump">2,444<span></span>
</td>
<td class="nump">8,927<span></span>
</td>
<td class="nump">5,795<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries', window );">Recoveries and Other Additions</a></td>
<td class="nump">3,560<span></span>
</td>
<td class="nump">4,728<span></span>
</td>
<td class="nump">3,942<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs', window );">Write-offs and Other Deductions</a></td>
<td class="num">(10,894)<span></span>
</td>
<td class="num">(9,096)<span></span>
</td>
<td class="num">(10,502)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent', window );">Accounts Receivable, Allowance for Credit Loss, Current</a></td>
<td class="nump">$ 2,113<span></span>
</td>
<td class="nump">7,003<span></span>
</td>
<td class="nump">$ 2,444<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_TradeAccountsReceivableMember', window );">Potential economic impact of the COVID-19 pandemic</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward', window );"><strong>Accounts Receivable, Allowance for Credit Loss [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProvisionForDoubtfulAccounts', window );">Additions Charged to Costs and Expenses</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,300<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of allowance for credit loss on accounts receivable, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123577603&amp;loc=d3e5074-111524<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 326<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=124255206&amp;loc=SL82895884-210446<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in allowance for credit loss on accounts receivable, from recovery.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 326<br> -SubTopic 20<br> -Section 50<br> -Paragraph 13<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=124255953&amp;loc=SL82919249-210447<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllowanceForDoubtfulAccountsReceivableRecoveries</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of direct write-downs of accounts receivable charged against the allowance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 326<br> -SubTopic 20<br> -Section 50<br> -Paragraph 13<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=124255953&amp;loc=SL82919249-210447<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProvisionForDoubtfulAccounts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of expense (reversal of expense) for expected credit loss on accounts receivable.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 326<br> -SubTopic 20<br> -Section 50<br> -Paragraph 13<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124255953&amp;loc=SL82919249-210447<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProvisionForDoubtfulAccounts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_TradeAccountsReceivableMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_TradeAccountsReceivableMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>63
<FILENAME>R47.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333931090504">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Business Description And Significant Accounting Policies: Materials, Supplies and Fuel (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryNetAbstract', window );"><strong>Inventory, Net [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryRawMaterialsAndSupplies', window );">Materials and supplies</a></td>
<td class="nump">$ 86,400<span></span>
</td>
<td class="nump">$ 85,250<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnergyRelatedInventoryOtherFossilFuel', window );">Fuel</a></td>
<td class="nump">1,267<span></span>
</td>
<td class="nump">1,531<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnergyRelatedInventoryNaturalGasInStorage', window );">Natural gas in storage</a></td>
<td class="nump">63,312<span></span>
</td>
<td class="nump">30,619<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryNet', window );">Total materials, supplies and fuel</a></td>
<td class="nump">$ 150,979<span></span>
</td>
<td class="nump">$ 117,400<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EnergyRelatedInventoryNaturalGasInStorage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount as of the balance sheet date of natural gas in storage, which is a mixture of gases (liquefied or otherwise), used for fuel and manufacturing purposes, which is ready for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EnergyRelatedInventoryNaturalGasInStorage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EnergyRelatedInventoryOtherFossilFuel">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of fossil fuel included in inventory classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EnergyRelatedInventoryOtherFossilFuel</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6676-107765<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryNetAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryNetAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryRawMaterialsAndSupplies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a)(4),(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryRawMaterialsAndSupplies</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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</div>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>64
<FILENAME>R48.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333934865080">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business Description And Significant Accounting Policies: Investments (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="3">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2020</div></th>
<th class="th"><div>Sep. 30, 2019</div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
<th class="th"><div>Feb. 28, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentHoldingsLineItems', window );"><strong>Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_AssetsUsedtoAcquireOtherInvestments', window );">Assets Held For Sale Used to Acquire Other Investments</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 28,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetImpairmentCharges', window );">Impairment of investment</a></td>
<td class="nump">$ 6,900<span></span>
</td>
<td class="nump">$ 20,000<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 6,859<span></span>
</td>
<td class="nump">$ 19,741<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermInvestments', window );">Investments</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">15,481<span></span>
</td>
<td class="nump">15,810<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByAssetClassAxis=us-gaap_EquitySecuritiesMember', window );">Investment in privately held oil and gas company</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentHoldingsLineItems', window );"><strong>Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermInvestments', window );">Investments</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,500<span></span>
</td>
<td class="nump">1,500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByAssetClassAxis=us-gaap_CashSurrenderValueMember', window );">Cash surrender value of life insurance contracts</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentHoldingsLineItems', window );"><strong>Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermInvestments', window );">Investments</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">12,365<span></span>
</td>
<td class="nump">13,628<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByAssetClassAxis=us-gaap_InvestmentsMember', window );">Other investments</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentHoldingsLineItems', window );"><strong>Investment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermInvestments', window );">Investments</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,616<span></span>
</td>
<td class="nump">$ 682<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_AssetsUsedtoAcquireOtherInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Assets Used to Acquire Other Investments</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_AssetsUsedtoAcquireOtherInvestments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentHoldingsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentHoldingsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.12)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermInvestments</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherAssetImpairmentCharges">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109226691&amp;loc=d3e2921-110230<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherAssetImpairmentCharges</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByAssetClassAxis=us-gaap_EquitySecuritiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByAssetClassAxis=us-gaap_EquitySecuritiesMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByAssetClassAxis=us-gaap_CashSurrenderValueMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByAssetClassAxis=us-gaap_CashSurrenderValueMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByAssetClassAxis=us-gaap_InvestmentsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByAssetClassAxis=us-gaap_InvestmentsMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<DOCUMENT>
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<SEQUENCE>65
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<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333938574472">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business Description And Significant Accounting Policies: Property, Plant and Equipment (AFUDC) (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementLocationAxis=bkh_InterestExpenseIncurredNetOfAmountsCapitalizedIncludingAmortizationOfDebtIssuanceCostsPremiumsAndDiscountsMember', window );">Interest expense incurred net of amounts capitalized (including amortization of debt issuance costs, premiums and discounts)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest', window );">AFUDC Borrowed</a></td>
<td class="nump">$ 4,068<span></span>
</td>
<td class="nump">$ 5,617<span></span>
</td>
<td class="nump">$ 6,556<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementLocationAxis=us-gaap_OtherNonoperatingIncomeExpenseMember', window );">Other Nonoperating Income (Expense)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity', window );">AFUDC Equity</a></td>
<td class="nump">$ 593<span></span>
</td>
<td class="nump">$ 318<span></span>
</td>
<td class="nump">$ 472<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 835<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6501662&amp;loc=d3e56162-110433<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 835<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6501569&amp;loc=d3e55921-110430<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount capitalized of allowance for funds used during construction.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 835<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6501569&amp;loc=d3e55921-110430<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeStatementLocationAxis=bkh_InterestExpenseIncurredNetOfAmountsCapitalizedIncludingAmortizationOfDebtIssuanceCostsPremiumsAndDiscountsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeStatementLocationAxis=bkh_InterestExpenseIncurredNetOfAmountsCapitalizedIncludingAmortizationOfDebtIssuanceCostsPremiumsAndDiscountsMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeStatementLocationAxis=us-gaap_OtherNonoperatingIncomeExpenseMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>66
<FILENAME>R50.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333933942024">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Business Description And Significant Accounting Policies: Goodwill (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillLineItems', window );"><strong>Goodwill [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Goodwill</a></td>
<td class="nump">$ 1,299,454<span></span>
</td>
<td class="nump">$ 1,299,454<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillLineItems', window );"><strong>Goodwill [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Goodwill</a></td>
<td class="nump">257,244<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillLineItems', window );"><strong>Goodwill [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Goodwill</a></td>
<td class="nump">$ 1,042,210<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Goodwill">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(10)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=120320667&amp;loc=SL49117168-202975<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=99380562&amp;loc=d3e13770-109266<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Goodwill</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GoodwillLineItems</td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936660952">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business Description And Significant Accounting Policies: Schedule of Intangible Assets (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsRollForward', window );"><strong>Finite-Lived Intangible Assets [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IntangibleAssetsNetExcludingGoodwill', window );">Intangible assets, net, beginning balance</a></td>
<td class="nump">$ 11,944<span></span>
</td>
<td class="nump">$ 13,266<span></span>
</td>
<td class="nump">$ 14,337<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AmortizationOfIntangibleAssets', window );">Intangible assets, amortization expense</a></td>
<td class="num">(1,174)<span></span>
</td>
<td class="num">(1,322)<span></span>
</td>
<td class="num">(1,071)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IntangibleAssetsNetExcludingGoodwill', window );">Intangible assets, net, ending balance</a></td>
<td class="nump">10,770<span></span>
</td>
<td class="nump">$ 11,944<span></span>
</td>
<td class="nump">$ 13,266<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract', window );"><strong>Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths', window );">Future Amortization Expense, Year One</a></td>
<td class="nump">1,200<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo', window );">Future Amortization Expense, Year Two</a></td>
<td class="nump">1,200<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree', window );">Future Amortization Expense, Year Three</a></td>
<td class="nump">1,200<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour', window );">Future Amortization Expense, Year Four</a></td>
<td class="nump">1,200<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive', window );">Future Amortization Expense, Year Five</a></td>
<td class="nump">$ 1,200<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MinimumMember', window );">Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsLineItems', window );"><strong>Finite-Lived Intangible Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetUsefulLife', window );">Finite-Lived Intangible Assets, Useful Life</a></td>
<td class="text">2 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsLineItems', window );"><strong>Finite-Lived Intangible Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetUsefulLife', window );">Finite-Lived Intangible Assets, Useful Life</a></td>
<td class="text">40 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<div style="display: none;">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6388964&amp;loc=d3e16225-109274<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td>instant</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsLineItems</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsRollForward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsRollForward</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IntangibleAssetsNetExcludingGoodwill">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph ((a)(1),(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6388964&amp;loc=d3e16212-109274<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IntangibleAssetsNetExcludingGoodwill</td>
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<td>us-gaap_</td>
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<td>xbrli:monetaryItemType</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MinimumMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333935033384">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Business Description And Significant Accounting Policies: Accrued Liabilities (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract', window );"><strong>Organization, Consolidation and Presentation of Financial Statements [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeRelatedLiabilitiesCurrent', window );">Accrued employee compensation, benefits and withholdings</a></td>
<td class="nump">$ 74,387<span></span>
</td>
<td class="nump">$ 77,806<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent', window );">Accrued property taxes</a></td>
<td class="nump">50,874<span></span>
</td>
<td class="nump">47,105<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_CustomerDepositsandPrepayments', window );">Customer deposits and prepayments</a></td>
<td class="nump">48,814<span></span>
</td>
<td class="nump">52,185<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestPayableCurrent', window );">Accrued interest</a></td>
<td class="nump">33,680<span></span>
</td>
<td class="nump">31,520<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAccruedLiabilitiesCurrent', window );">Other (none of which is individually significant)</a></td>
<td class="nump">37,004<span></span>
</td>
<td class="nump">34,996<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedLiabilitiesCurrent', window );">Total accrued liabilities</a></td>
<td class="nump">$ 244,759<span></span>
</td>
<td class="nump">$ 243,612<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_CustomerDepositsandPrepayments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Accrued Liabilities - Customer Deposits and Prepayments</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_CustomerDepositsandPrepayments</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 720<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6419918&amp;loc=d3e35281-107843<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6935-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccruedLiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EmployeeRelatedLiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeRelatedLiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e7018-107765<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6935-107765<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherAccruedLiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6911-107765<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e7018-107765<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6935-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherAccruedLiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td>instant</td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333940120312">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Business Description And Significant Accounting Policies: Regulatory Assets and Liabilities (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract', window );"><strong>Organization, Consolidation and Presentation of Financial Statements [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="nump">$ 796,599<span></span>
</td>
<td class="nump">$ 278,258<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory liabilities</a></td>
<td class="nump">$ 502,951<span></span>
</td>
<td class="nump">$ 532,720<span></span>
</td>
</tr>
</table>
<div style="display: none;">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 405<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6500807&amp;loc=d3e48068-110394<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333933931176">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business Description And Significant Accounting Policies: Earnings per Share (Details) - USD ($)<br> $ / shares in Units, shares in Thousands, $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract', window );"><strong>Organization, Consolidation and Presentation of Financial Statements [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income available for common stock</a></td>
<td class="nump">$ 236,744<span></span>
</td>
<td class="nump">$ 227,608<span></span>
</td>
<td class="nump">$ 199,310<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Weighted average shares - Basic (in shares)</a></td>
<td class="nump">63,219<span></span>
</td>
<td class="nump">62,378<span></span>
</td>
<td class="nump">60,662<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DilutiveSecuritiesAbstract', window );"><strong>Dilutive effect of:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements', window );">Equity compensation (in shares)</a></td>
<td class="nump">106<span></span>
</td>
<td class="nump">61<span></span>
</td>
<td class="nump">136<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding', window );">Weighted average shares - diluted (in shares)</a></td>
<td class="nump">63,325<span></span>
</td>
<td class="nump">62,439<span></span>
</td>
<td class="nump">60,798<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareDiluted', window );">Total earnings (loss) per share of common stock, Diluted (usd per share)</a></td>
<td class="nump">$ 3.74<span></span>
</td>
<td class="nump">$ 3.65<span></span>
</td>
<td class="nump">$ 3.28<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DilutiveSecuritiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DilutiveSecuritiesAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 55<br> -Paragraph 52<br> -URI http://asc.fasb.org/extlink&amp;oid=125512782&amp;loc=d3e4984-109258<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 7<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22644-107794<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=125512782&amp;loc=d3e3842-109258<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1252-109256<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22694-107794<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22595-107794<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22583-107794<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 60B<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=SL5780133-109256<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 40<br> -Section 65<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123482062&amp;loc=SL123482106-238011<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(27))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22694-107794<br><br>Reference 14: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1337-109256<br><br>Reference 15: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 40<br> -Section 65<br> -Paragraph 1<br> -Subparagraph (e)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=123482062&amp;loc=SL123482106-238011<br><br>Reference 16: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareDiluted</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1707-109256<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28A<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1500-109256<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 23<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1757-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 16<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1505-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1448-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfSharesOutstandingBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
</div></td></tr>
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<TEXT>
<html>
<head>
<title></title>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333938542808">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business Description And Significant Accounting Policies: Anti-dilutive shares (Details) - shares<br> shares in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount', window );">Outstanding securities not included in the computation of diluted earnings per share (in shares)</a></td>
<td class="nump">13<span></span>
</td>
<td class="nump">60<span></span>
</td>
<td class="nump">1<span></span>
</td>
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<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_StockCompensationPlanMember', window );">Equity Compensation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems', window );"><strong>Antidilutive Securities Excluded from Computation of Earnings Per Share</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount', window );">Outstanding securities not included in the computation of diluted earnings per share (in shares)</a></td>
<td class="nump">13<span></span>
</td>
<td class="nump">60<span></span>
</td>
<td class="nump">1<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_StockCompensationPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>72
<FILENAME>R56.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936294504">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Regulatory Matters: Regulatory Matters (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Apr. 29, 2016</div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 796,599<span></span>
</td>
<td class="nump">$ 278,258<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsCurrent', window );">Regulatory assets, current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(270,290)<span></span>
</td>
<td class="num">(51,676)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsNoncurrent', window );">Regulatory assets, non-current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">526,309<span></span>
</td>
<td class="nump">226,582<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory liabilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">502,951<span></span>
</td>
<td class="nump">532,720<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityCurrent', window );">Regulatory liabilities, current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(17,574)<span></span>
</td>
<td class="num">(25,061)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityNoncurrent', window );">Regulatory liabilities, non-current</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 485,377<span></span>
</td>
<td class="nump">507,659<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeTermOfContract', window );">Gas Price Derivatives - Term of Contract</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">2 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=us-gaap_DeferredFuelCostsMember', window );">Deferred energy and gas costs</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory liabilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 6,113<span></span>
</td>
<td class="nump">13,253<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=us-gaap_PensionAndOtherPostretirementPlansCostsMember', window );">Employee benefit plan costs and related deferred taxes</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory liabilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">32,241<span></span>
</td>
<td class="nump">40,256<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=us-gaap_RemovalCostsMember', window );">Cost of removal</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory liabilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">179,976<span></span>
</td>
<td class="nump">172,902<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=bkh_DeferredIncomeTaxAmortizationMember', window );">Excess deferred income taxes</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory liabilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">264,042<span></span>
</td>
<td class="nump">285,259<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=bkh_OtherRegulatoryLiabilitiesMember', window );">Other regulatory liabilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory liabilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">20,579<span></span>
</td>
<td class="nump">21,050<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_StormCostsMember', window );">Storm Costs</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">509,025<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_DeferredFuelCostsMember', window );">Deferred energy and gas costs</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">59,973<span></span>
</td>
<td class="nump">39,035<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_AssetRecoverableGasCostsMember', window );">Deferred gas cost adjustments</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9,488<span></span>
</td>
<td class="nump">3,200<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_PriceRiskDerivativeMember', window );">Gas price derivatives</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,584<span></span>
</td>
<td class="nump">2,226<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=bkh_AllowanceForFundsUsedDuringConstructionMember', window );">Deferred taxes on AFUDC</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,457<span></span>
</td>
<td class="nump">7,491<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_PensionAndOtherPostretirementPlansCostsMember', window );">Employee benefit plan costs and related deferred taxes</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">88,923<span></span>
</td>
<td class="nump">116,598<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=bkh_EnvironmentalMember', window );">Environmental</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,385<span></span>
</td>
<td class="nump">1,413<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=bkh_BondIssuanceCostsMember', window );">Loss on reacquired debt</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">21,011<span></span>
</td>
<td class="nump">22,864<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=bkh_FlowThroughAccountingMember', window );">Deferred taxes on flow through accounting</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">63,243<span></span>
</td>
<td class="nump">47,515<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_EnvironmentalRestorationCostsMember', window );">Decommissioning costs</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,961<span></span>
</td>
<td class="nump">$ 8,988<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAmortizationPeriod', window );">Regulatory Asset, Amortization Period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">3 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=bkh_GasSupplyContractTerminationMember', window );">Gas supply contract termination</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">$ 2,524<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAmortizationPeriod', window );">Regulatory Asset, Amortization Period</a></td>
<td class="text">5 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=bkh_OtherRegulatoryAssetsMember', window );">Other regulatory assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 27,549<span></span>
</td>
<td class="nump">$ 26,404<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeTermOfContract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeTermOfContract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAmortizationPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amortization period for the recovery of regulatory asset, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAmortizationPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are expected to be recovered through revenue sources within one year or the normal operating cycle, if longer. Such costs are capitalized if they meet both of the following criteria: a. It is probable that future revenue in an amount at least equal to the capitalized cost will result from inclusion of that cost in allowable costs for rate-making purposes. b. Based on available evidence, the future revenue will be provided to permit recovery of the previously incurred cost rather than to provide for expected levels of similar future costs. If the revenue will be provided through an automatic rate-adjustment clause, this criterion requires that the regulator's intent clearly be to permit recovery of the previously incurred cost.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 405<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6500807&amp;loc=d3e48068-110394<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory current liability as itemized in a table of regulatory current liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 405<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6500807&amp;loc=d3e48068-110394<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory noncurrent liability as itemized in a table of regulatory noncurrent liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.24)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td><strong> Name:</strong></td>
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<tr>
<td><strong> Name:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
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<td><strong> Name:</strong></td>
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=us-gaap_StormCostsMember</td>
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=us-gaap_DeferredFuelCostsMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=us-gaap_PriceRiskDerivativeMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=bkh_AllowanceForFundsUsedDuringConstructionMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=us-gaap_PensionAndOtherPostretirementPlansCostsMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=bkh_EnvironmentalMember</td>
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=bkh_BondIssuanceCostsMember</td>
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=bkh_FlowThroughAccountingMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=us-gaap_EnvironmentalRestorationCostsMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333931062696">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Regulatory Matters: Winter Storm Uri (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
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<th class="th"><div>Dec. 31, 2021</div></th>
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<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="nump">$ 796,599<span></span>
</td>
<td class="nump">$ 278,258<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnusualOrInfrequentItemAxis=bkh_WinterStormUriMember', window );">Winter Storm Uri</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_AmountRecoveredThroughRegulatoryMechanism', window );">Amount Recovered Through Regulatory Mechanism</a></td>
<td class="nump">40,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_StormCostsMember', window );">Storm Costs</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="nump">509,025<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_StormCostsMember', window );">Storm Costs | Winter Storm Uri</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="nump">$ 546,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAmortizationPeriod', window );">Regulatory Asset, Amortization Period</a></td>
<td class="text">3 years 6 months<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=bkh_CarryingCostsMember', window );">Carrying Costs | Winter Storm Uri</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="nump">$ 4,100<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_AssetRecoverableGasCostsMember', window );">Deferred gas cost adjustments</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="nump">9,488<span></span>
</td>
<td class="nump">$ 3,200<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_AssetRecoverableGasCostsMember', window );">Deferred gas cost adjustments | Winter Storm Uri</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="nump">$ 13,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_AmountRecoveredThroughRegulatoryMechanism">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount Recovered Through Regulatory Mechanism</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_AmountRecoveredThroughRegulatoryMechanism</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesGeneralDisclosuresLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAmortizationPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amortization period for the recovery of regulatory asset, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAmortizationPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnusualOrInfrequentItemAxis=bkh_WinterStormUriMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnusualOrInfrequentItemAxis=bkh_WinterStormUriMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAxis=us-gaap_StormCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=us-gaap_StormCostsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAxis=bkh_CarryingCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=bkh_CarryingCostsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAxis=us-gaap_AssetRecoverableGasCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=us-gaap_AssetRecoverableGasCostsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
</div></td></tr>
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</body>
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<DOCUMENT>
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<html>
<head>
<title></title>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936662584">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Regulatory Matters: Tax Cut and Jobs Act (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">1 Months Ended</th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Apr. 30, 2021</div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Jan. 01, 2022</div></th>
<th class="th"><div>Jan. 26, 2021</div></th>
<th class="th"><div>Dec. 30, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_BenefitFromRelievedTCJARelatedLiabilities', window );">Benefit from Relieved TCJA Related Liabilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAgencyAxis=bkh_ColoradoPublicUtilitiesCommissionCPUCMember', window );">Colorado Public Utilities Commission (CPUC) | Black Hills Energy - Colorado Electric</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_SettlementOfPlanToProvideTCJARelatedCustomerBillingCreditsToItsCustomers', window );">Settlement of plan to provide TCJA-related customer billing credits to its customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 9,300<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_AnnualTCJARelatedCustomerBillingCredits', window );">Annual TCJA-Related Customer Billing Credits</a></td>
<td class="nump">$ 900<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAgencyAxis=bkh_NebraskaPublicServiceCommissionNPSCMember', window );">Nebraska Public Service Commission (NPSC) | Black Hills Energy - Nebraska Gas</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_SettlementOfPlanToProvideTCJARelatedCustomerBillingCreditsToItsCustomers', window );">Settlement of plan to provide TCJA-related customer billing credits to its customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,900<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAgencyAxis=bkh_KansasCorporationCommissionKCCMember', window );">Kansas Corporation Commission (KCC) | Black Hills Energy, Kansas Gas | Subsequent Event</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_SettlementOfPlanToProvideTCJAAndStateTaxReformBenefitsToCustomersAnnually', window );">Settlement of Plan to Provide TCJA and State Tax Reform benefits to Customers Annually</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_SettlementTotalOfPlanToProvideTCJAAndStateTaxReformBenefitsToCustomers', window );">Settlement Total of Plan to Provide TCJA and State Tax Reform benefits to Customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 9,100<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_AnnualTCJARelatedCustomerBillingCredits">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Annual TCJA-Related Customer Billing Credits</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_AnnualTCJARelatedCustomerBillingCredits</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_BenefitFromRelievedTCJARelatedLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Benefit from Relieved TCJA Related Liabilities</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_BenefitFromRelievedTCJARelatedLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_SettlementOfPlanToProvideTCJAAndStateTaxReformBenefitsToCustomersAnnually">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Settlement of Plan to Provide TCJA and State Tax Reform benefits to Customers Annually</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_SettlementOfPlanToProvideTCJAAndStateTaxReformBenefitsToCustomersAnnually</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_SettlementOfPlanToProvideTCJARelatedCustomerBillingCreditsToItsCustomers">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Settlement of plan to provide TCJA-related customer billing credits to its customers. The billing credits, which represent a disposition of excess deferred income tax benefits resulting from the TCJA, will be delivered to customers in the next fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_SettlementOfPlanToProvideTCJARelatedCustomerBillingCreditsToItsCustomers</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_SettlementTotalOfPlanToProvideTCJAAndStateTaxReformBenefitsToCustomers">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Settlement Total of Plan to Provide TCJA and State Tax Reform benefits to Customers</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_SettlementTotalOfPlanToProvideTCJAAndStateTaxReformBenefitsToCustomers</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesGeneralDisclosuresLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAgencyAxis=bkh_ColoradoPublicUtilitiesCommissionCPUCMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAgencyAxis=bkh_ColoradoPublicUtilitiesCommissionCPUCMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_BlackHillsEnergyColoradoElectricMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_BlackHillsEnergyColoradoElectricMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAgencyAxis=bkh_NebraskaPublicServiceCommissionNPSCMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAgencyAxis=bkh_NebraskaPublicServiceCommissionNPSCMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_BlackHillsEnergyNebraskaGasMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_BlackHillsEnergyNebraskaGasMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAgencyAxis=bkh_KansasCorporationCommissionKCCMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAgencyAxis=bkh_KansasCorporationCommissionKCCMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_BlackHillsEnergyKansasGasMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_BlackHillsEnergyKansasGasMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>75
<FILENAME>R59.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
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<html>
<head>
<title></title>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333930730808">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Regulatory Matters: Gas Utilities Regulatory Activity (Details)<br> $ in Thousands</strong></div></th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($) </div>
<div>mi</div>
</th>
<th class="th">
<div>Dec. 30, 2021 </div>
<div>mi</div>
</th>
<th class="th">
<div>Dec. 28, 2021 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 10, 2021 </div>
<div>USD ($) </div>
<div>mi</div>
</th>
<th class="th">
<div>Oct. 08, 2021 </div>
<div>USD ($)</div>
</th>
<th class="th"><div>Jul. 06, 2021</div></th>
<th class="th">
<div>Mar. 01, 2021 </div>
<div>USD ($) </div>
<div>mi</div>
</th>
<th class="th"><div>Sep. 11, 2020</div></th>
<th class="th">
<div>Jun. 01, 2021 </div>
<div>mi</div>
</th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAgencyAxis=bkh_ArkansasPublicServiceCommissionAPSCMember', window );">Arkansas Public Service Commission (APSC) | Black Hills Energy - Arkansas Gas | Rate Review Filed with the Regulatory Agency</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PublicUtilitiesLengthOfNaturalGasPipelineToReceiveInfrastructureInvestments', window );">Public Utilities - Length of Natural Gas Pipeline to Receive Infrastructure Investments | mi</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,200<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount', window );">Public Utilities, Requested Rate Increase (Decrease), Amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 22,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage', window );">Public Utilities, Approved Equity Capital Structure, Percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">50.90%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage', window );">Public Utilities, Approved Debt Capital Structure, Percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">49.10%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRequestedReturnOnEquityPercentage', window );">Public Utilities, Requested Return on Equity, Percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10.20%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAgencyAxis=bkh_ColoradoPublicUtilitiesCommissionCPUCMember', window );">Colorado Public Utilities Commission (CPUC) | Black Hills Energy - Colorado Gas | Rate Review Filed with the Regulatory Agency</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PublicUtilitiesRequestedTermExtensionOfSystemSafetyAndIntegrityRider', window );">Public Utilities, Requested Term Extension of System Safety and Integrity Rider</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">5 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAgencyAxis=bkh_ColoradoPublicUtilitiesCommissionCPUCMember', window );">Colorado Public Utilities Commission (CPUC) | Black Hills Energy - Colorado Gas | Settlement agreement reached with CPUC Staff and various intervenors, subject to the review and approval by an Administrative Law Judge and the CPUC.</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PublicUtilitiesLengthOfNaturalGasPipelineToReceiveInfrastructureInvestments', window );">Public Utilities - Length of Natural Gas Pipeline to Receive Infrastructure Investments | mi</a></td>
<td class="nump">7,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage', window );">Public Utilities, Approved Equity Capital Structure, Percentage</a></td>
<td class="nump">50.30%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage', window );">Public Utilities, Approved Debt Capital Structure, Percentage</a></td>
<td class="nump">49.70%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage', window );">Public Utilities, Approved Return on Equity, Percentage</a></td>
<td class="nump">9.20%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount', window );">Public Utilities, Approved Rate Increase (Decrease), Amount</a></td>
<td class="nump">$ 6,500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAgencyAxis=bkh_ColoradoPublicUtilitiesCommissionCPUCMember', window );">Colorado Public Utilities Commission (CPUC) | Black Hills Energy - Colorado Gas | Rate Review Approved by Regulatory Agency</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PublicUtilitiesTermExtensionOfSystemSafetyAndIntegrityRider', window );">Public Utilities, Term Extension of System Safety and Integrity Rider</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">3 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAgencyAxis=bkh_IowaUtilitiesBoardIUBMember', window );">Iowa Utilities Board (IUB) | Black Hills Energy - Iowa Gas | Settlement Reached with the Regulatory Agency</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PublicUtilitiesLengthOfNaturalGasPipelineToReceiveInfrastructureInvestments', window );">Public Utilities - Length of Natural Gas Pipeline to Receive Infrastructure Investments | mi</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage', window );">Public Utilities, Approved Equity Capital Structure, Percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage', window );">Public Utilities, Approved Debt Capital Structure, Percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage', window );">Public Utilities, Approved Return on Equity, Percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9.60%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount', window );">Public Utilities, Approved Rate Increase (Decrease), Amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,700<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PublicUtilitiesAmountOfSystemSafetyAndIntegretyRiderMovedToBaseRates', window );">Public Utilities Amount of System Safety and Integrety Rider Moved to Base Rates</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,200<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAgencyAxis=bkh_KansasCorporationCommissionKCCMember', window );">Kansas Corporation Commission (KCC) | Black Hills Energy, Kansas Gas | Global Settlement agreement with KCC Staff and various intervenors for a general rate increase and renewal of its safety and integrity rider.</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PublicUtilitiesLengthOfNaturalGasPipelineToReceiveInfrastructureInvestments', window );">Public Utilities - Length of Natural Gas Pipeline to Receive Infrastructure Investments | mi</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,600<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PublicUtilitiesAmountOfSystemSafetyAndIntegretyRiderMovedToBaseRates', window );">Public Utilities Amount of System Safety and Integrety Rider Moved to Base Rates</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 6,600<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PublicUtilitiesTermExtensionOfSystemSafetyAndIntegrityRider', window );">Public Utilities, Term Extension of System Safety and Integrity Rider</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">5 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAgencyAxis=bkh_NebraskaPublcServiceCommissionNPSCMember', window );">Nebraska Publc Service Commission (NPSC) | Black Hills Energy - Nebraska Gas | Settlement Reached with the Regulatory Agency</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PublicUtilitiesLengthOfNaturalGasPipelineToReceiveInfrastructureInvestments', window );">Public Utilities - Length of Natural Gas Pipeline to Receive Infrastructure Investments | mi</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">13,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage', window );">Public Utilities, Approved Equity Capital Structure, Percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage', window );">Public Utilities, Approved Return on Equity, Percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9.50%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount', window );">Public Utilities, Approved Rate Increase (Decrease), Amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 6,500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PublicUtilitiesAmountOfSystemSafetyAndIntegretyRiderMovedToBaseRates', window );">Public Utilities Amount of System Safety and Integrety Rider Moved to Base Rates</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4,600<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PublicUtilitiesTermExtensionOfSystemSafteyAndIntegrityRider', window );">Public Utilities, Term Extension of System Saftey and Integrity Rider</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">5 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_PublicUtilitiesAmountOfSystemSafetyAndIntegretyRiderMovedToBaseRates">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Public Utilities Amount of System Safety and Integrety Rider Moved to Base Rates</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_PublicUtilitiesAmountOfSystemSafetyAndIntegretyRiderMovedToBaseRates</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_PublicUtilitiesLengthOfNaturalGasPipelineToReceiveInfrastructureInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Public Utilities - Length of Natural Gas Pipeline to Receive Infrastructure Investments</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_PublicUtilitiesLengthOfNaturalGasPipelineToReceiveInfrastructureInvestments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:lengthItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_PublicUtilitiesRequestedTermExtensionOfSystemSafetyAndIntegrityRider">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Public Utilities, Requested Term Extension of System Safety and Integrity Rider</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_PublicUtilitiesRequestedTermExtensionOfSystemSafetyAndIntegrityRider</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_PublicUtilitiesTermExtensionOfSystemSafetyAndIntegrityRider">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Public Utilities, Term Extension of System Safety and Integrity Rider</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_PublicUtilitiesTermExtensionOfSystemSafetyAndIntegrityRider</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_PublicUtilitiesTermExtensionOfSystemSafteyAndIntegrityRider">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Public Utilities, Term Extension of System Saftey and Integrity Rider</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_PublicUtilitiesTermExtensionOfSystemSafteyAndIntegrityRider</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of public utility's approved debt to capital, including debt and equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesApprovedDebtCapitalStructurePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of public utility's approved equity to capital, including debt and equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesApprovedEquityCapitalStructurePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of public utility's approved rate increase (decrease) by regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of public utility's approved return on equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage</td>
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Regulatory Matters: Electric Utilities Regulatory Activity (Details)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1">24 Months Ended</th>
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<tr>
<th class="th">
<div>Oct. 15, 2020 </div>
<div>MW</div>
</th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_SouthDakotaElectricMember', window );">Black Hills Energy - South Dakota Electric | Federal Energy Regulatory Commission (FERC) Common Use System (CUS)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_AnnualRevenueRequirementasRequiredbytheFERCJointAccessTransmissionTariff', window );">Annual Revenue Requirement, as Required by the FERC Joint-Access Transmission Tariff</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 26,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_CapitalAdditionRequirementsbytheFERCJointAccessTransmissionTariff', window );">Capital Addition Requirements by the FERC Joint-Access Transmission Tariff</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_BlackHillsWyomingandWyomingElectricMember', window );">Black Hills Wyoming and Wyoming Electric | Federal Energy Regulatory Commission (FERC)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberOfMegawattsCapacityPurchased', window );">Number of Megawatts Capacity Purchased | MW</a></td>
<td class="nump">60<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermPurchaseCommitmentPeriod', window );">Long-term Purchase Commitment, Period</a></td>
<td class="text">11 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_AnnualRevenueRequirementasRequiredbytheFERCJointAccessTransmissionTariff">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Annual Revenue Requirement, as Required by the FERC Joint-Access Transmission Tariff</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_AnnualRevenueRequirementasRequiredbytheFERCJointAccessTransmissionTariff</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_CapitalAdditionRequirementsbytheFERCJointAccessTransmissionTariff">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Capital Addition Requirements by the FERC Joint-Access Transmission Tariff</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_CapitalAdditionRequirementsbytheFERCJointAccessTransmissionTariff</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NumberOfMegawattsCapacityPurchased">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of Megawatts Capacity Purchased</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NumberOfMegawattsCapacityPurchased</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:powerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermPurchaseCommitmentPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermPurchaseCommitmentPeriod</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesGeneralDisclosuresLineItems</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_SouthDakotaElectricMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_SouthDakotaElectricMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAgencyAxis=bkh_FederalEnergyRegulatoryCommissionFERCCommonUseSystemCUSMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_BlackHillsWyomingandWyomingElectricMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAgencyAxis=bkh_FederalEnergyRegulatoryCommissionFERCMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAgencyAxis=bkh_FederalEnergyRegulatoryCommissionFERCMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936446360">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Commitment, Contingencies And Guarantees: Power Purchase and Transmission Services Agreements (Details)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($) </div>
<div>MW</div>
</th>
<th class="th">
<div>Dec. 31, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2019 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_PlatteRiverPowerAuthorityMember', window );">Platte River Power Authority - Unit Contingent Energy | Colorado Electric | Wind</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberOfMegawattsCapacityPurchased', window );">Number of Megawatts Capacity Purchased</a></td>
<td class="nump">60<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostOfGoodsAndServicesSold', window );">Cost of Purchased Power | $</a></td>
<td class="nump">$ 4,246<span></span>
</td>
<td class="nump">$ 2,791<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_PlatteRiverPowerAuthorityMember', window );">Platte River Power Authority - Unit Contingent Energy | Colorado Electric | Coal</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberOfMegawattsCapacityPurchased', window );">Number of Megawatts Capacity Purchased</a></td>
<td class="nump">25<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostOfGoodsAndServicesSold', window );">Cost of Purchased Power | $</a></td>
<td class="nump">$ 4,447<span></span>
</td>
<td class="nump">4,524<span></span>
</td>
<td class="nump">1,802<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_PlatteRiverPowerAuthorityMember', window );">Platte River Power Authority - Unit Contingent Energy | South Dakota Electric | Wind</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberOfMegawattsCapacityPurchased', window );">Number of Megawatts Capacity Purchased</a></td>
<td class="nump">12<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostOfGoodsAndServicesSold', window );">Cost of Purchased Power | $</a></td>
<td class="nump">$ 596<span></span>
</td>
<td class="nump">715<span></span>
</td>
<td class="nump">688<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_TCColoradoSolarLLCMember', window );">TC Colorado Solar, LLC | Colorado Electric | Solar</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberOfMegawattsCapacityPurchased', window );">Number of Megawatts Capacity Purchased</a></td>
<td class="nump">200<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PurchasePowerAgreementSetToExpireAfterACertainNumberOfYearsFollowingCompletionOfTheFacility', window );">Purchase Power Agreement Set to Expire after a Certain Number of Years Following Completion of the Facility</a></td>
<td class="text">15 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_PacificorpPurchasePowerAgreementMember', window );">PacifiCorp Purchase Power Agreement | South Dakota Electric | Coal</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberOfMegawattsCapacityPurchased', window );">Number of Megawatts Capacity Purchased</a></td>
<td class="nump">50<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostOfGoodsAndServicesSold', window );">Cost of Purchased Power | $</a></td>
<td class="nump">$ 8,923<span></span>
</td>
<td class="nump">5,897<span></span>
</td>
<td class="nump">7,477<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_PacificorpTransmissionMember', window );">PacifiCorp Transmission | South Dakota Electric</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberOfMegawattsCapacityPurchased', window );">Number of Megawatts Capacity Purchased</a></td>
<td class="nump">50<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostOfGoodsAndServicesSold', window );">Cost of Purchased Power | $</a></td>
<td class="nump">$ 1,783<span></span>
</td>
<td class="nump">1,776<span></span>
</td>
<td class="nump">1,741<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_FallRiverSolarMember', window );">Fall River Solar | South Dakota Electric | Solar</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberOfMegawattsCapacityPurchased', window );">Number of Megawatts Capacity Purchased</a></td>
<td class="nump">80<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PurchasePowerAgreementSetToExpireAfterACertainNumberOfYearsFollowingCompletionOfTheFacility', window );">Purchase Power Agreement Set to Expire after a Certain Number of Years Following Completion of the Facility</a></td>
<td class="text">20 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_HappyJackWindPurchasePowerAgreeementMember', window );">Happy Jack Wind Purchase Power Agreement | Wyoming Electric | Wind</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberOfMegawattsCapacityPurchased', window );">Number of Megawatts Capacity Purchased</a></td>
<td class="nump">30<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermContractForPurchaseOfElectricPowerShareOfPlantOutputBeingPurchased', window );">Long-term Contract for Purchase of Electric Power, Share of Plant Output Being Purchased</a></td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostOfGoodsAndServicesSold', window );">Cost of Purchased Power | $</a></td>
<td class="nump">$ 3,544<span></span>
</td>
<td class="nump">4,531<span></span>
</td>
<td class="nump">3,936<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_SilverSageWindPowerPurchaseAgreementMember', window );">Silver Sage Wind Power Purchase Agreement | Wyoming Electric | Wind</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberOfMegawattsCapacityPurchased', window );">Number of Megawatts Capacity Purchased</a></td>
<td class="nump">30<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermContractForPurchaseOfElectricPowerShareOfPlantOutputBeingPurchased', window );">Long-term Contract for Purchase of Electric Power, Share of Plant Output Being Purchased</a></td>
<td class="nump">67.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostOfGoodsAndServicesSold', window );">Cost of Purchased Power | $</a></td>
<td class="nump">$ 4,717<span></span>
</td>
<td class="nump">$ 6,203<span></span>
</td>
<td class="nump">$ 5,366<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NumberOfMegawattsCapacityPurchased">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of Megawatts Capacity Purchased</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NumberOfMegawattsCapacityPurchased</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:powerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_PurchasePowerAgreementSetToExpireAfterACertainNumberOfYearsFollowingCompletionOfTheFacility">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Purchase Power Agreement Set to Expire after a Certain Number of Years Following Completion of the Facility</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_PurchasePowerAgreementSetToExpireAfterACertainNumberOfYearsFollowingCompletionOfTheFacility</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CostOfGoodsAndServicesSold">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 924<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 11.L)<br> -URI http://asc.fasb.org/extlink&amp;oid=6472922&amp;loc=d3e499488-122856<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.2(a),(d))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CostOfGoodsAndServicesSold</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermContractForPurchaseOfElectricPowerShareOfPlantOutputBeingPurchased">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share of plant output being purchased under a long-term contract to purchase electricity from a production plant constructed and financed by a public utility district, cooperative, or other organization.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 10.D)<br> -URI http://asc.fasb.org/extlink&amp;oid=122136240&amp;loc=d3e659339-123030<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermContractForPurchaseOfElectricPowerShareOfPlantOutputBeingPurchased</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermPurchaseCommitmentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermPurchaseCommitmentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_PlatteRiverPowerAuthorityMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_PlatteRiverPowerAuthorityMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_ColoradoElectricMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_ColoradoElectricMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_FuelTypeAxis=bkh_WindMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_FuelTypeAxis=bkh_WindMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_FuelTypeAxis=bkh_CoalMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_FuelTypeAxis=bkh_CoalMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_SouthDakotaElectricMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_SouthDakotaElectricMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_TCColoradoSolarLLCMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_TCColoradoSolarLLCMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_FuelTypeAxis=bkh_SolarMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_FuelTypeAxis=bkh_SolarMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_PacificorpPurchasePowerAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_PacificorpPurchasePowerAgreementMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_PacificorpTransmissionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_PacificorpTransmissionMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_FallRiverSolarMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_FallRiverSolarMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_HappyJackWindPurchasePowerAgreeementMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_WyomingElectricMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_SilverSageWindPowerPurchaseAgreementMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333931051720">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Commitment, Contingencies And Guarantees: Power Purchase Agreement - Related Party (Details) - MW<br></strong></div></th>
<th class="th"><div>Jan. 01, 2022</div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Oct. 15, 2020</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionAxis=bkh_BlackHillsWyomingandWyomingElectricMember', window );">Black Hills Wyoming and Wyoming Electric</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberofMegawattsSoldUnderLongTermContract', window );">Megawatts Sold Under Long-Term Contract</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionAxis=bkh_BlackHillsWyomingandWyomingElectricMember', window );">Black Hills Wyoming and Wyoming Electric | Federal Energy Regulatory Commission (FERC)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberofMegawattsSoldUnderLongTermContract', window );">Megawatts Sold Under Long-Term Contract</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionAxis=bkh_BlackHillsWyomingandWyomingElectricMember', window );">Black Hills Wyoming and Wyoming Electric | Federal Energy Regulatory Commission (FERC) | Subsequent Event</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PublicUtilitiesTermOfPowerPurchaseAgreement', window );">Public Utilities Term of Power Purchase Agreement</a></td>
<td class="text">11 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionAxis=bkh_BlackHillsElectricGenerationandColoradoElectricMember', window );">Black Hills Electric Generation and Colorado Electric | Busch Ranch I Wind Farm</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberOfMegawattsCapacityPurchased', window );">Number of Megawatts Capacity Purchased</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">14.5<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RelatedPartyTransactionAxis=bkh_ColoradoElectricAndBlackHillsColoradoIPPMember', window );">Colorado Electric and Black Hills Colorado IPP</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberOfMegawattsCapacityPurchased', window );">Number of Megawatts Capacity Purchased</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">200<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NumberOfMegawattsCapacityPurchased">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of Megawatts Capacity Purchased</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NumberOfMegawattsCapacityPurchased</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:powerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NumberofMegawattsSoldUnderLongTermContract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of Megawatts Sold Under Long-Term Contract</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NumberofMegawattsSoldUnderLongTermContract</td>
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<tr>
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<tr>
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<tr>
<td><strong> Period Type:</strong></td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_PublicUtilitiesTermOfPowerPurchaseAgreement">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Public Utilities Term of Power Purchase Agreement</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_PublicUtilitiesTermOfPowerPurchaseAgreement</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333929614664">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Commitment, Contingencies And Guarantees: Purchase Commitment (Details)<br> $ in Millions</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($) </div>
<div>MMBTU</div>
</th>
<th class="th">
<div>Dec. 31, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2019 </div>
<div>USD ($)</div>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths', window );">2021</a></td>
<td class="nump">12,588,974<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears', window );">2022</a></td>
<td class="nump">12,012,500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears', window );">2023</a></td>
<td class="nump">8,220,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears', window );">2024</a></td>
<td class="nump">4,560,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears', window );">2025</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa', window );">Thereafter</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis=bkh_NaturalGasDistributionMember', window );">Natural Gas, Distribution</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases', window );">Natural Gas Purchases | $</a></td>
<td class="nump">$ 61<span></span>
</td>
<td class="nump">$ 25<span></span>
</td>
<td class="nump">$ 7<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NaturalGasIndicesAxis=bkh_EPBondadStationMember', window );">El Paso - Bondad Station</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths', window );">2021</a></td>
<td class="nump">31,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears', window );">2022</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears', window );">2023</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears', window );">2024</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears', window );">2025</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa', window );">Thereafter</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NaturalGasIndicesAxis=bkh_KernRiverOpalMember', window );">Kern River - Opal</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths', window );">2021</a></td>
<td class="nump">9,300<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears', window );">2022</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears', window );">2023</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears', window );">2024</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears', window );">2025</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa', window );">Thereafter</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NaturalGasIndicesAxis=bkh_EPSanJuanBasinMember', window );">El Paso - San Juan Basin</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths', window );">2021</a></td>
<td class="nump">182,550<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears', window );">2022</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears', window );">2023</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears', window );">2024</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears', window );">2025</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa', window );">Thereafter</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NaturalGasIndicesAxis=bkh_EnableEastPipelineMember', window );">Enable East Pipeline</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths', window );">2021</a></td>
<td class="nump">1,825,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears', window );">2022</a></td>
<td class="nump">450,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears', window );">2023</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears', window );">2024</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears', window );">2025</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa', window );">Thereafter</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NaturalGasIndicesAxis=bkh_NNGDemarcMember', window );">Northern Natural Gas - Demarc</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths', window );">2021</a></td>
<td class="nump">1,614<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears', window );">2022</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears', window );">2023</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears', window );">2024</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears', window );">2025</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa', window );">Thereafter</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NaturalGasIndicesAxis=bkh_NNGVenturaMember', window );">Northern Natural Gas - Ventura</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths', window );">2021</a></td>
<td class="nump">1,810,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears', window );">2022</a></td>
<td class="nump">1,840,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears', window );">2023</a></td>
<td class="nump">1,820,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears', window );">2024</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears', window );">2025</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa', window );">Thereafter</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NaturalGasIndicesAxis=bkh_NorthwestWyomingPoolMember', window );">Northwest Pipeline - Wyoming</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths', window );">2021</a></td>
<td class="nump">1,531,700<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears', window );">2022</a></td>
<td class="nump">1,510,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears', window );">2023</a></td>
<td class="nump">910,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears', window );">2024</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears', window );">2025</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa', window );">Thereafter</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NaturalGasIndicesAxis=bkh_ONEOKOklahomaMember', window );">ONEOK - Oklahoma</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths', window );">2021</a></td>
<td class="nump">5,475,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears', window );">2022</a></td>
<td class="nump">5,475,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears', window );">2023</a></td>
<td class="nump">5,490,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears', window );">2024</a></td>
<td class="nump">4,560,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears', window );">2025</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa', window );">Thereafter</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NaturalGasIndicesAxis=bkh_SouthernStarCentralGasPipelineMember', window );">Southern Star Central Gas Pipeline</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths', window );">2021</a></td>
<td class="nump">113,130<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears', window );">2022</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears', window );">2023</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears', window );">2024</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears', window );">2025</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa', window );">Thereafter</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NaturalGasIndicesAxis=bkh_PanhandleEasternPipeLineMember', window );">Panhandle Eastern Pipe Line</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths', window );">2021</a></td>
<td class="nump">1,609,680<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears', window );">2022</a></td>
<td class="nump">2,737,500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears', window );">2023</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears', window );">2024</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears', window );">2025</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa', window );">Thereafter</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationTerm', window );">Term of Evergreen Contracts</a></td>
<td class="text">60 days<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NaturalGasDeliveryCommitmentsAndContractsTerm', window );">We maintain natural gas supply contracts with several vendors that generally cover a period up to:</a></td>
<td class="text">1 year<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NaturalGasDeliveryCommitmentsAndContractsTerm">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Natural Gas Delivery Commitments And Contracts Term</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NaturalGasDeliveryCommitmentsAndContractsTerm</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Unrecorded Unconditional Purchase Obligation Due Within Five Years</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFiveYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:energyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Unrecorded Unconditional Purchase Obligation Due Within Four Years</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_UnrecordedUnconditionalPurchaseObligationDueWithinFourYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:energyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Unrecorded Unconditional Purchase Obligation Due Within Three Years</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_UnrecordedUnconditionalPurchaseObligationDueWithinThreeYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:energyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Unrecorded Unconditional Purchase Obligation Due Within Two Years</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_UnrecordedUnconditionalPurchaseObligationDueWithinTwoYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:energyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Unrecorded Unconditional Purchase Obligation Due after Five Years</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_UnrecordedUnconditionalPurchaseObligationDueafterFiveYearsa</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:energyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Unrecorded Unconditional Purchase Obligation, Due in the Next Twelve Months</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_UnrecordedUnconditionalPurchaseObligationDueintheNextTwelveMonths</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:energyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermPurchaseCommitmentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermPurchaseCommitmentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount purchased during the period under an unrecorded unconditional purchase obligation (for example, under the take-or-pay or throughput contract).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123406679&amp;loc=d3e25336-109308<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecordedUnconditionalPurchaseObligationTerm">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Term of the unrecognized unconditional purchase obligation, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123406679&amp;loc=d3e25336-109308<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecordedUnconditionalPurchaseObligationTerm</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis=bkh_NaturalGasDistributionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis=bkh_NaturalGasDistributionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NaturalGasIndicesAxis=bkh_EPBondadStationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NaturalGasIndicesAxis=bkh_EPBondadStationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
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</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NaturalGasIndicesAxis=bkh_KernRiverOpalMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NaturalGasIndicesAxis=bkh_EPSanJuanBasinMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NaturalGasIndicesAxis=bkh_EPSanJuanBasinMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NaturalGasIndicesAxis=bkh_EnableEastPipelineMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NaturalGasIndicesAxis=bkh_EnableEastPipelineMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NaturalGasIndicesAxis=bkh_NNGDemarcMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NaturalGasIndicesAxis=bkh_NNGVenturaMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NaturalGasIndicesAxis=bkh_NNGVenturaMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NaturalGasIndicesAxis=bkh_NorthwestWyomingPoolMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NaturalGasIndicesAxis=bkh_NorthwestWyomingPoolMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NaturalGasIndicesAxis=bkh_ONEOKOklahomaMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NaturalGasIndicesAxis=bkh_ONEOKOklahomaMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NaturalGasIndicesAxis=bkh_SouthernStarCentralGasPipelineMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NaturalGasIndicesAxis=bkh_SouthernStarCentralGasPipelineMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NaturalGasIndicesAxis=bkh_PanhandleEasternPipeLineMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NaturalGasIndicesAxis=bkh_PanhandleEasternPipeLineMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
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<tr><td><div class="body" style="padding: 2px;">
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
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<DOCUMENT>
<TYPE>XML
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<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936896024">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Commitment, Contingencies And Guarantees: Unconditional Purchase Obligations (Details)<br> $ in Thousands</strong></div></th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=bkh_PowerPurchaseAgreementsMember', window );">Power purchase and transmission services agreements</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems', window );"><strong>Unrecorded Unconditional Purchase Obligation [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary', window );">2022</a></td>
<td class="nump">$ 23,985<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary', window );">2023</a></td>
<td class="nump">11,678<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary', window );">2024</a></td>
<td class="nump">2,738<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary', window );">2025</a></td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary', window );">2026</a></td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears', window );">Thereafter</a></td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=bkh_TransportationStorageGatheringAndCoalAgreementsMember', window );">Natural gas transportation and storage agreements</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems', window );"><strong>Unrecorded Unconditional Purchase Obligation [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary', window );">2022</a></td>
<td class="nump">143,750<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary', window );">2023</a></td>
<td class="nump">119,923<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary', window );">2024</a></td>
<td class="nump">82,428<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary', window );">2025</a></td>
<td class="nump">58,669<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary', window );">2026</a></td>
<td class="nump">36,503<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears', window );">Thereafter</a></td>
<td class="nump">$ 60,429<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123406679&amp;loc=d3e25336-109308<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123406679&amp;loc=d3e25336-109308<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123406679&amp;loc=d3e25336-109308<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123406679&amp;loc=d3e25336-109308<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td style="white-space:nowrap;">us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123406679&amp;loc=d3e25336-109308<br></p></div>
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<tr>
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<td style="white-space:nowrap;">us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123406679&amp;loc=d3e25336-109308<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Commitment, Contingencies And Guarantees: Power Sales Agreements (Details) - MW<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
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<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Jul. 01, 2020</div></th>
<th class="th"><div>Jun. 26, 2019</div></th>
<th class="th"><div>Sep. 03, 2014</div></th>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SupplyCommitmentAxis=bkh_CityOfGilletteMember', window );">City Of Gillette</a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberofMegawattsSoldUnderLongTermContract', window );">Megawatts Sold Under Long-Term Contract</a></td>
<td class="nump">23<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SupplyCommitmentAxis=bkh_PurchasePowerContractMEANMember', window );">Purchase Power Contract, MEAN, for up to 20 Megawatts</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberofMegawattsSoldUnderLongTermContract', window );">Megawatts Sold Under Long-Term Contract</a></td>
<td class="nump">20<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_TotalContractCapacityinMegawattsDuePerYearinYearsTwoandThreeoftheContract', window );">2020-2022</a></td>
<td class="nump">15<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_TotalContractCapacityinMegawattsDueinYearThreeoftheContract', window );">2022-2023</a></td>
<td class="nump">15<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_TotalContractCapacityinMegawattsDuePerYearinYearsFiveThroughNineoftheContract', window );">2023-2028</a></td>
<td class="nump">10<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SupplyCommitmentAxis=bkh_PurchasePowerContractMEANMember', window );">Purchase Power Contract, MEAN, for up to 20 Megawatts | Contingent Capacity Amounts on Wygen III</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_TotalContractCapacityinMegawattsDuePerYearinYearsTwoandThreeoftheContract', window );">2020-2022</a></td>
<td class="nump">7<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_TotalContractCapacityinMegawattsDueinYearThreeoftheContract', window );">2022-2023</a></td>
<td class="nump">8<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_TotalContractCapacityinMegawattsDuePerYearinYearsFiveThroughNineoftheContract', window );">2023-2028</a></td>
<td class="nump">5<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SupplyCommitmentAxis=bkh_PurchasePowerContractMEANMember', window );">Purchase Power Contract, MEAN, for up to 20 Megawatts | Contingent Capacity Amounts on Neil Simpson II</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_TotalContractCapacityinMegawattsDuePerYearinYearsTwoandThreeoftheContract', window );">2020-2022</a></td>
<td class="nump">8<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="nump">7<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="nump">5<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberofMegawattsSoldUnderLongTermContract', window );">Megawatts Sold Under Long-Term Contract</a></td>
<td class="nump">50<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_SouthDakotaElectricMember', window );">South Dakota Electric | M D U, Montana Dakota Utilities | Contingent Capacity Amounts on Wygen III</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberofMegawattsSoldUnderLongTermContract', window );">Megawatts Sold Under Long-Term Contract</a></td>
<td class="nump">25<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_SouthDakotaElectricMember', window );">South Dakota Electric | Maximum | M D U, Montana Dakota Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberofMegawattsSoldUnderLongTermContract', window );">Megawatts Sold Under Long-Term Contract</a></td>
<td class="nump">50<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_CityOfColoradoSpringsMember', window );">City of Colorado Springs | Colorado Electric</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberOfMegawattsCapacityPurchased', window );">Number of Megawatts Capacity Purchased</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_PlatteRiverPowerAuthorityWindPowerAgreementMember', window );">Platte River Power Authority Wind Power Agreement</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberOfMegawattsCapacityPurchased', window );">Number of Megawatts Capacity Purchased</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_SharingArrangementwiththeCityofGilletteWyomingMember', window );">Sharing Arrangement with the City of Gillette, Wyoming</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermPurchaseCommitmentPeriod', window );">Long-term Purchase Commitment, Period</a></td>
<td class="text">20 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_SharingArrangementwiththeCityofGilletteWyomingMember', window );">Sharing Arrangement with the City of Gillette, Wyoming | Black Hills Wyoming</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberofMegawattsCapacitySold', window );">Number of Megawatts Capacity Sold</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">40<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NumberOfMegawattsCapacityPurchased">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of Megawatts Capacity Purchased</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NumberOfMegawattsCapacityPurchased</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:powerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NumberofMegawattsCapacitySold">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of Megawatts Capacity Sold</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NumberofMegawattsCapacitySold</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:powerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NumberofMegawattsSoldUnderLongTermContract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of Megawatts Sold Under Long-Term Contract</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NumberofMegawattsSoldUnderLongTermContract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:powerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_TotalContractCapacityinMegawattsDuePerYearinYearsFiveThroughNineoftheContract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total Contract Capacity in Megawatts Due Per Year in Years Five Through Nine of the Contract</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_TotalContractCapacityinMegawattsDuePerYearinYearsFiveThroughNineoftheContract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:powerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_TotalContractCapacityinMegawattsDuePerYearinYearsTwoandThreeoftheContract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total Contract Capacity in Megawatts Due Per Year in Years Two and Three of the Contract</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_TotalContractCapacityinMegawattsDuePerYearinYearsTwoandThreeoftheContract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:powerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_TotalContractCapacityinMegawattsDueinYearThreeoftheContract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total Contract Capacity in Megawatts Due in Year Three of the Contract</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_TotalContractCapacityinMegawattsDueinYearThreeoftheContract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:powerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermPurchaseCommitmentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermPurchaseCommitmentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermPurchaseCommitmentPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period covered by the long-term purchase commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermPurchaseCommitmentPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SupplyCommitmentAxis=bkh_CityOfGilletteMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SupplyCommitmentAxis=bkh_CityOfGilletteMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SupplyCommitmentAxis=bkh_PurchasePowerContractMEANMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SupplyCommitmentAxis=bkh_PurchasePowerContractMEANMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=bkh_WygenIIIGeneratingFacilityMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=bkh_WygenIIIGeneratingFacilityMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=bkh_NeilSimpsonIIMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SupplyCommitmentAxis=bkh_MacquarieEnergyLLCSupplyAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SupplyCommitmentAxis=bkh_MacquarieEnergyLLCSupplyAgreementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_SouthDakotaElectricMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_SouthDakotaElectricMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SupplyCommitmentAxis=bkh_MDUMontanaDakotaUtilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SupplyCommitmentAxis=bkh_MDUMontanaDakotaUtilitiesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_CityOfColoradoSpringsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_CityOfColoradoSpringsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_ColoradoElectricMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_ColoradoElectricMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_PlatteRiverPowerAuthorityWindPowerAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_PlatteRiverPowerAuthorityWindPowerAgreementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_SharingArrangementwiththeCityofGilletteWyomingMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermContractForPurchaseOfElectricPowerAxis=bkh_SharingArrangementwiththeCityofGilletteWyomingMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_BlackHillsWyomingMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_BlackHillsWyomingMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</table></div>
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</html>
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</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>82
<FILENAME>R66.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333931048728">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Commitment, Contingencies And Guarantees: Lease Agreements (Details)<br> $ in Thousands</strong></div></th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LessorOperatingLeasePaymentsFiscalYearMaturityAbstract', window );"><strong>Lessor, Operating Lease, Payments, Fiscal Year Maturity [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths', window );">2021</a></td>
<td class="nump">$ 2,173<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears', window );">2022</a></td>
<td class="nump">2,204<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears', window );">2023</a></td>
<td class="nump">2,125<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears', window );">2024</a></td>
<td class="nump">2,070<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears', window );">2025</a></td>
<td class="nump">1,881<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter', window );">Thereafter</a></td>
<td class="nump">51,233<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LessorOperatingLeasePaymentsToBeReceived', window );">Lessor, Operating Lease, Payments to be Received</a></td>
<td class="nump">$ 61,686<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MinimumMember', window );">Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LessorLeaseDescriptionLineItems', window );"><strong>Lessor, Lease, Description [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseTermOfContract', window );">Lessee, Operating Lease, Term of Contract</a></td>
<td class="text">1 year<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LessorOperatingLeaseTermOfContract', window );">Lessor - lease term</a></td>
<td class="text">1 year<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LessorLeaseDescriptionLineItems', window );"><strong>Lessor, Lease, Description [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseTermOfContract', window );">Lessee, Operating Lease, Term of Contract</a></td>
<td class="text">34 years<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LessorOperatingLeaseTermOfContract', window );">Lessor - lease term</a></td>
<td class="text">34 years<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseTermOfContract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918673-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseTermOfContract</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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</table></div>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LessorLeaseDescriptionLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LessorOperatingLeasePaymentsFiscalYearMaturityAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LessorOperatingLeasePaymentsFiscalYearMaturityAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LessorOperatingLeasePaymentsToBeReceived">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lease payments to be received by lessor for operating lease.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 30<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=124258985&amp;loc=SL77919396-209981<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LessorOperatingLeasePaymentsToBeReceived</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lease payment to be received by lessor for operating lease in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 30<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=124258985&amp;loc=SL77919396-209981<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LessorOperatingLeasePaymentsToBeReceivedFiveYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lease payment to be received by lessor for operating lease in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 30<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=124258985&amp;loc=SL77919396-209981<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LessorOperatingLeasePaymentsToBeReceivedFourYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lease payment to be received by lessor for operating lease in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 30<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=124258985&amp;loc=SL77919396-209981<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lease payment to be received by lessor for operating lease after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 30<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=124258985&amp;loc=SL77919396-209981<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LessorOperatingLeasePaymentsToBeReceivedThereafter</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lease payment to be received by lessor for operating lease in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 30<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=124258985&amp;loc=SL77919396-209981<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LessorOperatingLeasePaymentsToBeReceivedThreeYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of lease payment to be received by lessor for operating lease in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 30<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=124258985&amp;loc=SL77919396-209981<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LessorOperatingLeasePaymentsToBeReceivedTwoYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LessorOperatingLeaseTermOfContract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 30<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=124258985&amp;loc=SL77919359-209981<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LessorOperatingLeaseTermOfContract</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:durationItemType</td>
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<tr>
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<td>na</td>
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<td>instant</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MinimumMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333935990456">
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<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Commitment, Contingencies And Guarantees: Reclamation Liability (Details)<br> $ in Millions</strong></div></th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($)</div>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities</a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LossContingenciesLineItems', window );"><strong>Loss Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingencies', window );">Accrual for Environmental Loss Contingencies - Pueblo Airport Generation Site</a></td>
<td class="nump">$ 4.1<span></span>
</td>
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<div style="display: none;">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total costs accrued as of the balance sheet date for environmental loss contingencies.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=121557415&amp;loc=d3e14326-108349<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 25<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6395460&amp;loc=d3e13647-108346<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13207-110859<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LossContingenciesLineItems</td>
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<DOCUMENT>
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<DESCRIPTION>IDEA: XBRL DOCUMENT
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<html>
<head>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333934777928">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Commitment, Contingencies And Guarantees: Manufactured Gas Processing (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LossContingenciesLineItems', window );"><strong>Loss Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="nump">$ 796,599<span></span>
</td>
<td class="nump">$ 278,258<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=bkh_EnvironmentalMember', window );">Environmental</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LossContingenciesLineItems', window );"><strong>Loss Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="nump">1,385<span></span>
</td>
<td class="nump">$ 1,413<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnvironmentalRemediationSiteAxis=bkh_ManufacturedGasPlantMember', window );">Manufactured Gas Plant | Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LossContingenciesLineItems', window );"><strong>Loss Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InsuranceSettlementsReceivableNoncurrent', window );">Insurance Settlements Receivable, Noncurrent</a></td>
<td class="nump">1,200<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnvironmentalRemediationSiteAxis=bkh_ManufacturedGasPlantMember', window );">Manufactured Gas Plant | Gas Utilities | Black Hills Energy - Iowa Gas</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LossContingenciesLineItems', window );"><strong>Loss Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingenciesGross', window );">Accrual for Environmental Loss Contingencies, Gross</a></td>
<td class="nump">2,600<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnvironmentalRemediationSiteAxis=bkh_ManufacturedGasPlantMember', window );">Manufactured Gas Plant | Gas Utilities | Black Hills Energy - Nebraska Gas</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LossContingenciesLineItems', window );"><strong>Loss Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccrualForEnvironmentalLossContingenciesGross', window );">Accrual for Environmental Loss Contingencies, Gross</a></td>
<td class="nump">600<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnvironmentalRemediationSiteAxis=bkh_ManufacturedGasPlantMember', window );">Manufactured Gas Plant | Gas Utilities | Environmental</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LossContingenciesLineItems', window );"><strong>Loss Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="nump">$ 1,400<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
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<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccrualForEnvironmentalLossContingenciesGross">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Undiscounted amount of the accrual for environmental loss contingencies.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13207-110859<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 5.Y.Q1)<br> -URI http://asc.fasb.org/extlink&amp;oid=27011672&amp;loc=d3e149879-122751<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccrualForEnvironmentalLossContingenciesGross</td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount due after one year of the balance sheet date (or one operating cycle, if longer) of amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td>debit</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td>na</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssets</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_BlackHillsEnergyIowaGasMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_BlackHillsEnergyNebraskaGasMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_BlackHillsEnergyNebraskaGasMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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</body>
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</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>85
<FILENAME>R69.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333939161288">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Commitment, Contingencies And Guarantees: Guarantees (Details)<br> $ in Thousands</strong></div></th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GuaranteeObligationsLineItems', window );"><strong>Guarantor Obligations [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GuaranteeObligationsMaximumExposure', window );">Guarantor, Maximum Exposure</a></td>
<td class="nump">$ 426,425<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GuaranteeObligationsByNatureAxis=us-gaap_SuretyBondMember', window );">Surety Bond</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GuaranteeObligationsLineItems', window );"><strong>Guarantor Obligations [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GuaranteeObligationsMaximumExposure', window );">Guarantor, Maximum Exposure</a></td>
<td class="nump">55,867<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GuaranteeObligationsByNatureAxis=srt_GuarantorSubsidiariesMember', window );">Guarantor Subsidiaries</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GuaranteeObligationsLineItems', window );"><strong>Guarantor Obligations [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GuaranteeObligationsMaximumExposure', window );">Guarantor, Maximum Exposure</a></td>
<td class="nump">$ 370,558<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GuaranteeObligationsLineItems">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GuaranteeObligationsLineItems</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GuaranteeObligationsMaximumExposure">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 460<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=124440162&amp;loc=d3e12069-110248<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GuaranteeObligationsMaximumExposure</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GuaranteeObligationsByNatureAxis=us-gaap_SuretyBondMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GuaranteeObligationsByNatureAxis=us-gaap_SuretyBondMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GuaranteeObligationsByNatureAxis=srt_GuarantorSubsidiariesMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<DOCUMENT>
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<html>
<head>
<title></title>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333929808392">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Revenue: Disaggregation of Revenue (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">$ 1,930,834<span></span>
</td>
<td class="nump">$ 1,680,804<span></span>
</td>
<td class="nump">$ 1,726,392<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">1,949,102<span></span>
</td>
<td class="nump">1,696,941<span></span>
</td>
<td class="nump">1,734,900<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredAtPointInTimeMember', window );">Services transferred at a point in time</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">27,141<span></span>
</td>
<td class="nump">27,089<span></span>
</td>
<td class="nump">27,180<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredOverTimeMember', window );">Services transferred over time</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">1,903,693<span></span>
</td>
<td class="nump">1,653,715<span></span>
</td>
<td class="nump">1,699,212<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ProductOrServiceAxis=bkh_OtherMember', window );">Other revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">18,268<span></span>
</td>
<td class="nump">16,137<span></span>
</td>
<td class="nump">8,508<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember', window );">Intercompany Eliminations</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="num">(17,628)<span></span>
</td>
<td class="num">(16,298)<span></span>
</td>
<td class="num">(14,485)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="num">(18,021)<span></span>
</td>
<td class="num">(16,586)<span></span>
</td>
<td class="num">(14,485)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember', window );">Intercompany Eliminations | Services transferred at a point in time</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember', window );">Intercompany Eliminations | Services transferred over time</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="num">(17,628)<span></span>
</td>
<td class="num">(16,298)<span></span>
</td>
<td class="num">(14,485)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember', window );">Intercompany Eliminations | Other revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="num">(393)<span></span>
</td>
<td class="num">(288)<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">836,923<span></span>
</td>
<td class="nump">732,681<span></span>
</td>
<td class="nump">731,231<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">842,258<span></span>
</td>
<td class="nump">738,857<span></span>
</td>
<td class="nump">739,355<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Services transferred at a point in time</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">27,141<span></span>
</td>
<td class="nump">27,089<span></span>
</td>
<td class="nump">27,180<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Services transferred over time</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">809,782<span></span>
</td>
<td class="nump">705,592<span></span>
</td>
<td class="nump">704,051<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Other revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">5,335<span></span>
</td>
<td class="nump">6,176<span></span>
</td>
<td class="nump">8,124<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">1,111,539<span></span>
</td>
<td class="nump">964,421<span></span>
</td>
<td class="nump">1,009,646<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">1,124,865<span></span>
</td>
<td class="nump">974,670<span></span>
</td>
<td class="nump">1,010,030<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Services transferred at a point in time</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Services transferred over time</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">1,111,539<span></span>
</td>
<td class="nump">964,421<span></span>
</td>
<td class="nump">1,009,646<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Other revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="nump">13,326<span></span>
</td>
<td class="nump">10,249<span></span>
</td>
<td class="nump">384<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_RetailElectricNaturalGasandCoalMember', window );">Retail</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">1,625,173<span></span>
</td>
<td class="nump">1,402,824<span></span>
</td>
<td class="nump">1,450,776<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_RetailElectricNaturalGasandCoalMember', window );">Retail | Intercompany Eliminations</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_RetailElectricNaturalGasandCoalMember', window );">Retail | Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">711,448<span></span>
</td>
<td class="nump">636,902<span></span>
</td>
<td class="nump">632,936<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_RetailElectricNaturalGasandCoalMember', window );">Retail | Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">913,725<span></span>
</td>
<td class="nump">765,922<span></span>
</td>
<td class="nump">817,840<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_TransportationMember', window );">Transportation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">157,625<span></span>
</td>
<td class="nump">154,055<span></span>
</td>
<td class="nump">142,348<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_TransportationMember', window );">Transportation | Intercompany Eliminations</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="num">(428)<span></span>
</td>
<td class="num">(526)<span></span>
</td>
<td class="num">(1,042)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_TransportationMember', window );">Transportation | Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_TransportationMember', window );">Transportation | Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">158,053<span></span>
</td>
<td class="nump">154,581<span></span>
</td>
<td class="nump">143,390<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_WholesaleMember', window );">Wholesale</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">30,848<span></span>
</td>
<td class="nump">24,845<span></span>
</td>
<td class="nump">28,464<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_WholesaleMember', window );">Wholesale | Intercompany Eliminations</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_WholesaleMember', window );">Wholesale | Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">30,848<span></span>
</td>
<td class="nump">24,845<span></span>
</td>
<td class="nump">28,464<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_WholesaleMember', window );">Wholesale | Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_MarketOffSystemSalesMember', window );">Market - off-system sales</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">42,078<span></span>
</td>
<td class="nump">15,772<span></span>
</td>
<td class="nump">16,772<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_MarketOffSystemSalesMember', window );">Market - off-system sales | Intercompany Eliminations</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_MarketOffSystemSalesMember', window );">Market - off-system sales | Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">41,682<span></span>
</td>
<td class="nump">15,512<span></span>
</td>
<td class="nump">16,081<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_MarketOffSystemSalesMember', window );">Market - off-system sales | Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">396<span></span>
</td>
<td class="nump">260<span></span>
</td>
<td class="nump">691<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_TransmissionOtherMember', window );">Transmission/Other</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">75,110<span></span>
</td>
<td class="nump">83,308<span></span>
</td>
<td class="nump">88,032<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_TransmissionOtherMember', window );">Transmission/Other | Intercompany Eliminations</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="num">(17,200)<span></span>
</td>
<td class="num">(15,772)<span></span>
</td>
<td class="num">(13,443)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_TransmissionOtherMember', window );">Transmission/Other | Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">52,945<span></span>
</td>
<td class="nump">55,422<span></span>
</td>
<td class="nump">53,750<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_TransmissionOtherMember', window );">Transmission/Other | Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="nump">$ 39,365<span></span>
</td>
<td class="nump">$ 43,658<span></span>
</td>
<td class="nump">$ 47,725<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 40<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9031-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 41<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9038-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130543-203045<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 42<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9054-108599<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130545-203045<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 924<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 11.L)<br> -URI http://asc.fasb.org/extlink&amp;oid=6472922&amp;loc=d3e499488-122856<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Revenues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI 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http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(iv))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iii)(A))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 40<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9031-108599<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(i))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(i))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> 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http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Revenues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredAtPointInTimeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredAtPointInTimeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredOverTimeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TimingOfTransferOfGoodOrServiceAxis=us-gaap_TransferredOverTimeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ProductOrServiceAxis=bkh_OtherMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ProductOrServiceAxis=bkh_OtherMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=bkh_RetailElectricNaturalGasandCoalMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=bkh_RetailElectricNaturalGasandCoalMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=bkh_TransportationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=bkh_TransportationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=bkh_WholesaleMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=bkh_WholesaleMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=bkh_MarketOffSystemSalesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=bkh_MarketOffSystemSalesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=bkh_TransmissionOtherMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=bkh_TransmissionOtherMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>87
<FILENAME>R71.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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<body>
<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333928461496">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Property, Plant and Equipment (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="nump">$ 7,856,573<span></span>
</td>
<td class="nump">$ 7,305,530<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment', window );">Less accumulated depreciation and depletion</a></td>
<td class="num">(1,407,397)<span></span>
</td>
<td class="num">(1,285,816)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNet', window );">Property, plant and equipment of variable interest entities, net</a></td>
<td class="nump">6,449,176<span></span>
</td>
<td class="nump">6,019,714<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember', window );">Corporate, Non-Segment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PropertyPlantEquipmentExcludingConstructionInProgress', window );">Property, Plant and Equipment</a></td>
<td class="nump">5,694<span></span>
</td>
<td class="nump">5,692<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConstructionInProgressGross', window );">Construction in progress, gross</a></td>
<td class="nump">8,460<span></span>
</td>
<td class="nump">16,402<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="nump">14,154<span></span>
</td>
<td class="nump">22,094<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment', window );">Less accumulated depreciation and depletion</a></td>
<td class="num">(1,544)<span></span>
</td>
<td class="num">(1,144)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNet', window );">Property, plant and equipment of variable interest entities, net</a></td>
<td class="nump">$ 12,610<span></span>
</td>
<td class="nump">$ 20,950<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_WeightedAverageMember', window );">Weighted Average | Corporate, Non-Segment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">10 years<span></span>
</td>
<td class="text">10 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MinimumMember', window );">Minimum | Corporate, Non-Segment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">10 years<span></span>
</td>
<td class="text">10 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum | Corporate, Non-Segment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">22 years<span></span>
</td>
<td class="text">22 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PublicUtilitiesPropertyPlantandEquipmentExcludingConstructioninProgress', window );">Total plant in service before construction work in progress</a></td>
<td class="nump">$ 3,991,095<span></span>
</td>
<td class="nump">$ 3,875,557<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress', window );">Construction work in progress</a></td>
<td class="nump">181,451<span></span>
</td>
<td class="nump">95,266<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="nump">4,172,546<span></span>
</td>
<td class="nump">3,970,823<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment', window );">Less accumulated depreciation and depletion</a></td>
<td class="num">(1,016,738)<span></span>
</td>
<td class="num">(960,993)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNet', window );">Property, plant and equipment of variable interest entities, net</a></td>
<td class="nump">$ 3,155,808<span></span>
</td>
<td class="nump">3,009,830<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DepreciationDepletionAndAmortizationRemainingAmortizationPeriod', window );">Depreciation, depletion and amortization, remaining amortization period</a></td>
<td class="text">9 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Production, Electric</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing', window );">Production, processing and storage</a></td>
<td class="nump">$ 1,452,055<span></span>
</td>
<td class="nump">$ 1,417,951<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Production, Electric | Weighted Average</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">41 years<span></span>
</td>
<td class="text">40 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Production, Electric | Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">32 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Production, Electric | Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">45 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Electric transmission</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmission', window );">Transmission</a></td>
<td class="nump">$ 546,126<span></span>
</td>
<td class="nump">$ 517,794<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Electric transmission | Weighted Average</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">49 years<span></span>
</td>
<td class="text">49 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Electric transmission | Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">43 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Electric transmission | Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">50 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Electric distribution</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentDistribution', window );">Distribution</a></td>
<td class="nump">$ 1,000,619<span></span>
</td>
<td class="nump">$ 959,453<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Electric distribution | Weighted Average</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">47 years<span></span>
</td>
<td class="text">46 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Electric distribution | Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">45 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Electric distribution | Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">49 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Integrated Generation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1', window );">Plant acquisition adjustment</a></td>
<td class="nump">$ 720,490<span></span>
</td>
<td class="nump">$ 716,479<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Integrated Generation | Weighted Average</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">30 years<span></span>
</td>
<td class="text">31 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Integrated Generation | Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">2 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Integrated Generation | Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">59 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Plant acquisition adjustment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1', window );">Plant acquisition adjustment</a></td>
<td class="nump">$ 4,870<span></span>
</td>
<td class="nump">$ 4,870<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Plant acquisition adjustment | Weighted Average</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">32 years<span></span>
</td>
<td class="text">32 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Plant acquisition adjustment | Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">32 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | Plant acquisition adjustment | Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">32 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | General</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment', window );">General</a></td>
<td class="nump">$ 266,935<span></span>
</td>
<td class="nump">$ 259,010<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | General | Weighted Average</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">28 years<span></span>
</td>
<td class="text">28 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | General | Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">25 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities | General | Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">31 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PublicUtilitiesPropertyPlantandEquipmentExcludingConstructioninProgress', window );">Total plant in service before construction work in progress</a></td>
<td class="nump">$ 3,632,013<span></span>
</td>
<td class="nump">$ 3,245,384<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress', window );">Construction work in progress</a></td>
<td class="nump">37,860<span></span>
</td>
<td class="nump">67,229<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="nump">3,669,873<span></span>
</td>
<td class="nump">3,312,613<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment', window );">Less accumulated depreciation and depletion</a></td>
<td class="num">(389,115)<span></span>
</td>
<td class="num">(323,679)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNet', window );">Property, plant and equipment of variable interest entities, net</a></td>
<td class="nump">3,280,758<span></span>
</td>
<td class="nump">2,988,934<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Production, Gas</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing', window );">Production, processing and storage</a></td>
<td class="nump">$ 14,841<span></span>
</td>
<td class="nump">$ 15,603<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Production, Gas | Weighted Average</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">40 years<span></span>
</td>
<td class="text">40 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Production, Gas | Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">24 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Production, Gas | Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">46 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Gas transmission</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmission', window );">Transmission</a></td>
<td class="nump">$ 645,550<span></span>
</td>
<td class="nump">$ 578,278<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Gas transmission | Weighted Average</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">58 years<span></span>
</td>
<td class="text">54 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Gas transmission | Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">22 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Gas transmission | Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">71 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Gas distribution</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentDistribution', window );">Distribution</a></td>
<td class="nump">$ 2,394,352<span></span>
</td>
<td class="nump">$ 2,115,082<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Gas distribution | Weighted Average</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">53 years<span></span>
</td>
<td class="text">53 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Gas distribution | Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">45 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Gas distribution | Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">59 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Cushion gas - depreciable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing', window );">Production, processing and storage</a></td>
<td class="nump">$ 3,539<span></span>
</td>
<td class="nump">$ 3,539<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Cushion gas - depreciable | Weighted Average</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">28 years<span></span>
</td>
<td class="text">28 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Cushion gas - depreciable | Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">28 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Cushion gas - depreciable | Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">28 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Cushion gas - not depreciable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing', window );">Production, processing and storage</a></td>
<td class="nump">$ 42,478<span></span>
</td>
<td class="nump">$ 39,184<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Gas, Storage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing', window );">Production, processing and storage</a></td>
<td class="nump">$ 56,289<span></span>
</td>
<td class="nump">$ 55,481<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Gas, Storage | Weighted Average</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">38 years<span></span>
</td>
<td class="text">38 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Gas, Storage | Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">27 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | Gas, Storage | Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">52 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | General</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment', window );">General</a></td>
<td class="nump">$ 474,964<span></span>
</td>
<td class="nump">$ 438,217<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | General | Weighted Average</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">21 years<span></span>
</td>
<td class="text">19 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | General | Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">3 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities | General | Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average useful life</a></td>
<td class="text">23 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_DepreciationDepletionAndAmortizationRemainingAmortizationPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The depreciation, depletion or amortization period remaining on an asset.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_DepreciationDepletionAndAmortizationRemainingAmortizationPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_PropertyPlantEquipmentExcludingConstructionInProgress">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Property Plant Equipment excluding Construction in Progress</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_PropertyPlantEquipmentExcludingConstructionInProgress</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_PublicUtilitiesPropertyPlantandEquipmentExcludingConstructioninProgress">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Public Utilities, Property, Plant and Equipment Excluding Construction in Progress</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_PublicUtilitiesPropertyPlantandEquipmentExcludingConstructioninProgress</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.14)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConstructionInProgressGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConstructionInProgressGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.13)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(14))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 360<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=124429447&amp;loc=SL124453093-239630<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 6: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentUsefulLife">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentUsefulLife</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of acquisition adjustments included in property, plant and equipment (PPE) for utilities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAmountOfAcquisitionAdjustments1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period end amount of construction work in progress in public utility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentDistribution">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period end amount of property, plant and equipment (PPE) related to utility distribution.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesPropertyPlantAndEquipmentDistribution</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period end amount of property, plant and equipment (PPE) related to generation or processing owned by public utility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesPropertyPlantAndEquipmentGenerationOrProcessing</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period end book value of other property, plant and equipment (PPE) owned (but not classified elsewhere) by the public utility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesPropertyPlantAndEquipmentOtherPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmission">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period end amount of property, plant and equipment (PPE) related to utility transmission owned by public utility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmission</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_WeightedAverageMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_WeightedAverageMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MinimumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MinimumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ElectricGenerationEquipmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ElectricGenerationEquipmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ElectricTransmissionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ElectricTransmissionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ElectricDistributionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ElectricDistributionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=bkh_IntegratedGenerationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=bkh_IntegratedGenerationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=bkh_PlantAcquisitionAdjustmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=bkh_PlantAcquisitionAdjustmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_GasGatheringAndProcessingEquipmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_GasGatheringAndProcessingEquipmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_GasTransmissionEquipmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_GasTransmissionEquipmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_GasDistributionEquipmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_GasDistributionEquipmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=bkh_CushionGasDepreciableMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=bkh_CushionGasNotDepreciatedMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_NaturalGasStorageMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<head>
<title></title>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333931459224">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Jointly Owned Facilities (Details)<br> $ in Thousands</strong></div></th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantAxis=bkh_WyodakPlantMember', window );">Wyodak Plant</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems', window );"><strong>Jointly Owned Utility Plant Interests [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare', window );">Ownership Share Percentage</a></td>
<td class="nump">20.00%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService', window );">Plant in Service</a></td>
<td class="nump">$ 118,637<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress', window );">Construction Work in Progress</a></td>
<td class="nump">882<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation', window );">Less Accumulated Depreciation</a></td>
<td class="num">(70,468)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmount', window );">Plant Net of Accumulated Depreciation</a></td>
<td class="nump">$ 49,051<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantAxis=bkh_TransmissionTieMember', window );">Transmission Tie</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems', window );"><strong>Jointly Owned Utility Plant Interests [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare', window );">Ownership Share Percentage</a></td>
<td class="nump">35.00%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_JointlyOwnedUtilityPlantProportionateOwnershipShareOfOtherParty', window );">Proportionate Ownership Share of other Party</a></td>
<td class="nump">0.65<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService', window );">Plant in Service</a></td>
<td class="nump">$ 24,544<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress', window );">Construction Work in Progress</a></td>
<td class="nump">287<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation', window );">Less Accumulated Depreciation</a></td>
<td class="num">(6,922)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmount', window );">Plant Net of Accumulated Depreciation</a></td>
<td class="nump">$ 17,909<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantAxis=bkh_WygenIIIGeneratingFacilityMember', window );">Wygen III Generating Facility</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems', window );"><strong>Jointly Owned Utility Plant Interests [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare', window );">Ownership Share Percentage</a></td>
<td class="nump">52.00%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService', window );">Plant in Service</a></td>
<td class="nump">$ 142,199<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress', window );">Construction Work in Progress</a></td>
<td class="nump">635<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation', window );">Less Accumulated Depreciation</a></td>
<td class="num">(26,598)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmount', window );">Plant Net of Accumulated Depreciation</a></td>
<td class="nump">$ 116,236<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantAxis=bkh_WygenIGeneratingFacilityMember', window );">Wygen I Generating Facility</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems', window );"><strong>Jointly Owned Utility Plant Interests [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare', window );">Ownership Share Percentage</a></td>
<td class="nump">76.50%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService', window );">Plant in Service</a></td>
<td class="nump">$ 120,565<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress', window );">Construction Work in Progress</a></td>
<td class="nump">399<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation', window );">Less Accumulated Depreciation</a></td>
<td class="num">(53,784)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmount', window );">Plant Net of Accumulated Depreciation</a></td>
<td class="nump">$ 67,180<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_JointlyOwnedUtilityPlantProportionateOwnershipShareOfOtherParty">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Jointly Owned Utility Plant, Proportionate Ownership Share of other Party</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_JointlyOwnedUtilityPlantProportionateOwnershipShareOfOtherParty</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:pureItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The period end amount owned by the reporting utility of a jointly owned utility plant in service.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 360<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 10.C)<br> -URI http://asc.fasb.org/extlink&amp;oid=122136288&amp;loc=d3e659983-123033<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantInterestsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total period end amount of plant in service and construction in progress net of accumulated depreciation for the utility's share of jointly owned electricity generation plant.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 360<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 10.C)<br> -URI http://asc.fasb.org/extlink&amp;oid=122136288&amp;loc=d3e659983-123033<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The period end amount of construction work in progress at a jointly owned electricity generation plant.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 360<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 10.C)<br> -URI http://asc.fasb.org/extlink&amp;oid=122136288&amp;loc=d3e659983-123033<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfConstructionWorkInProgress</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The period end amount of accumulated depreciation in a jointly owned electricity generation plant.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 360<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 10.C)<br> -URI http://asc.fasb.org/extlink&amp;oid=122136288&amp;loc=d3e659983-123033<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The proportionate share of interest (percent) in a jointly owned utility plant.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 360<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 10.C)<br> -URI http://asc.fasb.org/extlink&amp;oid=122136288&amp;loc=d3e659983-123033<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantAxis=bkh_WyodakPlantMember</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantAxis=bkh_TransmissionTieMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantAxis=bkh_WygenIIIGeneratingFacilityMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantAxis=bkh_WygenIGeneratingFacilityMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
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<td></td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333934761224">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Jointly Owned Facilities - Related Party (Details)<br></strong></div></th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>MW</div>
</th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_BlackHillsEnergyWyomingElectricMember', window );">Black Hills Energy, Wyoming Electric | Cheyenne Prairie, Simple-Cycle Combustion Turbine</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems', window );"><strong>Jointly Owned Utility Plant Interests [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UtilityPlantMegawattCapacity', window );">Utility Plant, Megawatt Capacity</a></td>
<td class="nump">40<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantAxis=bkh_BuschRanchIWindFarmMember', window );">Busch Ranch I Wind Farm | Colorado Electric</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems', window );"><strong>Jointly Owned Utility Plant Interests [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare', window );">Jointly Owned Utility Plant, Proportionate Ownership Share</a></td>
<td class="nump">50.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantAxis=bkh_BuschRanchIWindFarmMember', window );">Busch Ranch I Wind Farm | Black Hills Electric Generation</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems', window );"><strong>Jointly Owned Utility Plant Interests [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare', window );">Jointly Owned Utility Plant, Proportionate Ownership Share</a></td>
<td class="nump">50.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantAxis=bkh_CheyennePrairieMember', window );">Cheyenne Prairie | Black Hills Energy, Wyoming Electric | Cheyenne Prairie, Combined Cycle</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems', window );"><strong>Jointly Owned Utility Plant Interests [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UtilityPlantMegawattCapacity', window );">Utility Plant, Megawatt Capacity</a></td>
<td class="nump">42<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantAxis=bkh_CheyennePrairieMember', window );">Cheyenne Prairie | Black Hills Energy - South Dakota Electric | Cheyenne Prairie, Combined Cycle</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems', window );"><strong>Jointly Owned Utility Plant Interests [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UtilityPlantMegawattCapacity', window );">Utility Plant, Megawatt Capacity</a></td>
<td class="nump">58<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantAxis=bkh_CheyennePrairieMember', window );">Cheyenne Prairie | South Dakota Electric and Wyoming Electric | Cheyenne Prairie, Combined Cycle</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems', window );"><strong>Jointly Owned Utility Plant Interests [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UtilityPlantMegawattCapacity', window );">Utility Plant, Megawatt Capacity</a></td>
<td class="nump">100<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantAxis=bkh_CorriedaleWindProjectMember', window );">Corriedale Wind Project | Black Hills Energy, Wyoming Electric</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems', window );"><strong>Jointly Owned Utility Plant Interests [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UtilityPlantMegawattCapacity', window );">Utility Plant, Megawatt Capacity</a></td>
<td class="nump">20<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantAxis=bkh_CorriedaleWindProjectMember', window );">Corriedale Wind Project | Black Hills Energy - South Dakota Electric</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems', window );"><strong>Jointly Owned Utility Plant Interests [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UtilityPlantMegawattCapacity', window );">Utility Plant, Megawatt Capacity</a></td>
<td class="nump">32.5<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantAxis=bkh_CorriedaleWindProjectMember', window );">Corriedale Wind Project | South Dakota Electric and Wyoming Electric</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems', window );"><strong>Jointly Owned Utility Plant Interests [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_UtilityPlantMegawattCapacity', window );">Utility Plant, Megawatt Capacity</a></td>
<td class="nump">52.5<span></span>
</td>
</tr>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Utility Plant, Megawatt Capacity</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_UtilityPlantMegawattCapacity</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantInterestsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The proportionate share of interest (percent) in a jointly owned utility plant.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 360<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 10.C)<br> -URI http://asc.fasb.org/extlink&amp;oid=122136288&amp;loc=d3e659983-123033<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantProportionateOwnershipShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_BlackHillsEnergyWyomingElectricMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_BlackHillsEnergyWyomingElectricMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=bkh_CheyennePrairieSimpleCycleCombustionTurbineMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=bkh_CheyennePrairieSimpleCycleCombustionTurbineMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_JointlyOwnedUtilityPlantAxis=bkh_BuschRanchIWindFarmMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantAxis=bkh_BuschRanchIWindFarmMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_ColoradoElectricMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_ColoradoElectricMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_BlackHillsElectricGenerationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_BlackHillsElectricGenerationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_JointlyOwnedUtilityPlantAxis=bkh_CheyennePrairieMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantAxis=bkh_CheyennePrairieMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=bkh_CheyennePrairieCombinedCycleMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=bkh_CheyennePrairieCombinedCycleMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_SouthDakotaElectricMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_SouthDakotaElectricMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_SouthDakotaElectricandWyomingElectricMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_SouthDakotaElectricandWyomingElectricMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_JointlyOwnedUtilityPlantAxis=bkh_CorriedaleWindProjectMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantAxis=bkh_CorriedaleWindProjectMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>90
<FILENAME>R74.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333939103928">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Asset Retirement Obligations (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward', window );"><strong>Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligation', window );">Beginning Balance</a></td>
<td class="nump">$ 71,431<span></span>
</td>
<td class="nump">$ 64,205<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationLiabilitiesIncurred', window );">Liabilities Incurred</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">5,999<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationLiabilitiesSettled', window );">Liabilities Settled</a></td>
<td class="num">(1,044)<span></span>
</td>
<td class="num">(317)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationAccretionExpense', window );">Accretion</a></td>
<td class="nump">3,048<span></span>
</td>
<td class="nump">2,769<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationRevisionOfEstimate', window );">Revisions to Prior Estimates</a></td>
<td class="nump">2,109<span></span>
</td>
<td class="num">(1,225)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligation', window );">Ending Balance</a></td>
<td class="nump">75,544<span></span>
</td>
<td class="nump">71,431<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward', window );"><strong>Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligation', window );">Beginning Balance</a></td>
<td class="nump">29,157<span></span>
</td>
<td class="nump">28,120<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationLiabilitiesIncurred', window );">Liabilities Incurred</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">1,217<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationLiabilitiesSettled', window );">Liabilities Settled</a></td>
<td class="num">(978)<span></span>
</td>
<td class="num">(185)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationAccretionExpense', window );">Accretion</a></td>
<td class="nump">1,315<span></span>
</td>
<td class="nump">1,230<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationRevisionOfEstimate', window );">Revisions to Prior Estimates</a></td>
<td class="nump">595<span></span>
</td>
<td class="num">(1,225)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligation', window );">Ending Balance</a></td>
<td class="nump">30,089<span></span>
</td>
<td class="nump">29,157<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward', window );"><strong>Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligation', window );">Beginning Balance</a></td>
<td class="nump">42,274<span></span>
</td>
<td class="nump">36,085<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationLiabilitiesIncurred', window );">Liabilities Incurred</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">4,782<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationLiabilitiesSettled', window );">Liabilities Settled</a></td>
<td class="num">(66)<span></span>
</td>
<td class="num">(132)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationAccretionExpense', window );">Accretion</a></td>
<td class="nump">1,733<span></span>
</td>
<td class="nump">1,539<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationRevisionOfEstimate', window );">Revisions to Prior Estimates</a></td>
<td class="nump">1,514<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligation', window );">Ending Balance</a></td>
<td class="nump">$ 45,455<span></span>
</td>
<td class="nump">$ 42,274<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligationAccretionExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6392676&amp;loc=d3e7480-110848<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationAccretionExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligationLiabilitiesIncurred">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of asset retirement obligations incurred during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationLiabilitiesIncurred</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligationLiabilitiesSettled">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationLiabilitiesSettled</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligationRevisionOfEstimate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 35<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=6392603&amp;loc=d3e7123-110846<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationRevisionOfEstimate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember</td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333933989560">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Financing: Short-Term Debt: (Details)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="3">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th">
<div>Feb. 24, 2021 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($) </div>
<div>credit_extension</div>
</th>
<th class="th">
<div>Dec. 31, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2019 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Jul. 19, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtLineItems', window );"><strong>Short-term Debt [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermBorrowings', window );">Notes payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 420,180,000<span></span>
</td>
<td class="nump">$ 234,040,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LettersOfCreditOutstandingAmount', window );">Letters of Credit Outstanding, Amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">27,209,000<span></span>
</td>
<td class="nump">24,730,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_CommercialPaperMaximumBorrowingCapacity', window );">Commercial Paper, Maximum Borrowing Capacity</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">750,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram', window );">Net borrowings (payments) of Revolving Credit Facility and CP Program</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">186,140,000<span></span>
</td>
<td class="num">(115,460,000)<span></span>
</td>
<td class="nump">$ 163,880,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromOtherShortTermDebt', window );">Term Loan - borrowings</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">800,000,000<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RepaymentsOfOtherShortTermDebt', window );">Repayments of Other Short-term Debt</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">800,000,000<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=us-gaap_CommercialPaperMember', window );">Commercial Paper</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtLineItems', window );"><strong>Short-term Debt [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermBorrowings', window );">Notes payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">420,180,000<span></span>
</td>
<td class="nump">234,040,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LettersOfCreditOutstandingAmount', window );">Letters of Credit Outstanding, Amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentTerm', window );">Debt Instrument, Term</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">397 days<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtWeightedAverageInterestRate', window );">Debt, Weighted Average Interest Rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.30%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtTypeAxis=us-gaap_LineOfCreditMember', window );">Line of Credit | Senior Unsecured Notes Due 2021</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtLineItems', window );"><strong>Short-term Debt [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentTerm', window );">Debt Instrument, Term</a></td>
<td class="text">9 months<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromOtherShortTermDebt', window );">Term Loan - borrowings</a></td>
<td class="nump">$ 800,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsOfDebtExtinguishmentCosts', window );">Prepayment penalty</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RepaymentsOfOtherShortTermDebt', window );">Repayments of Other Short-term Debt</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 200,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember', window );">Revolving Credit Facility</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtLineItems', window );"><strong>Short-term Debt [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermBorrowings', window );">Notes payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LettersOfCreditOutstandingAmount', window );">Letters of Credit Outstanding, Amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 27,209,000<span></span>
</td>
<td class="nump">$ 24,730,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity', window );">Line of Credit Facility, Current Borrowing Capacity</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 750,000,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberOfOneYearExtensionOptions', window );">Number Of One-Year Extension Options | credit_extension</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentTerm', window );">Debt Instrument, Term</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">1 year<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity', window );">Line of Credit Facility, Maximum Borrowing Capacity</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,000,000,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage', window );">Line of Credit Facility, Unused Capacity, Commitment Fee Percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.175%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredFinanceCostsNoncurrentGross', window );">Debt Issuance Cost, Gross, Noncurrent</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 8,900,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember', window );">Revolving Credit Facility | Base Rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtLineItems', window );"><strong>Short-term Debt [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd', window );">Line of Credit Facility, Interest Rate at Period End</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.125%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember', window );">Revolving Credit Facility | Eurodollar</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtLineItems', window );"><strong>Short-term Debt [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd', window );">Line of Credit Facility, Interest Rate at Period End</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1.125%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember', window );">Revolving Credit Facility | Letter of Credit</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShortTermDebtLineItems', window );"><strong>Short-term Debt [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd', window );">Line of Credit Facility, Interest Rate at Period End</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1.125%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_CommercialPaperMaximumBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Commercial Paper, Maximum Borrowing Capacity</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_CommercialPaperMaximumBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Net borrowings (payments) of Revolving Credit Facility and CP Program</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NetBorrowingsPaymentsOfRevolvingCreditFacilityAndCPProgram</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NumberOfOneYearExtensionOptions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number Of One-Year Extension Options</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NumberOfOneYearExtensionOptions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentTerm">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentTerm</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtWeightedAverageInterestRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average interest rate of debt outstanding.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtWeightedAverageInterestRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredFinanceCostsNoncurrentGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124435984&amp;loc=d3e28555-108399<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredFinanceCostsNoncurrentGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LettersOfCreditOutstandingAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LettersOfCreditOutstandingAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The effective interest rate at the end of the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsOfDebtExtinguishmentCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsOfDebtExtinguishmentCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromOtherShortTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow from short-term debt classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromOtherShortTermDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RepaymentsOfOtherShortTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow for the payment of debt classified as other, maturing within one year or the operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RepaymentsOfOtherShortTermDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShortTermBorrowings">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(19)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16)(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShortTermBorrowings</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShortTermDebtLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShortTermDebtLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShortTermDebtTypeAxis=us-gaap_CommercialPaperMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShortTermDebtTypeAxis=us-gaap_CommercialPaperMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShortTermDebtTypeAxis=us-gaap_LineOfCreditMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShortTermDebtTypeAxis=us-gaap_LineOfCreditMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2021Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2021Member</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</div></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_VariableRateAxis=us-gaap_BaseRateMember</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_VariableRateAxis=us-gaap_EurodollarMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_VariableRateAxis=us-gaap_LetterOfCreditMember</td>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>92
<FILENAME>R76.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333929322648">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Financing: Long-Term Debt (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Aug. 26, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Jun. 17, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts', window );">Total long-term debt</a></td>
<td class="nump">$ 4,153,801<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,561,345<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtCurrent', window );">Less current maturities</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8,436<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredFinanceCostsNet', window );">Less unamortized deferred financing costs</a></td>
<td class="nump">26,878<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">24,809<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtNoncurrent', window );">Long-term debt, net of current maturities</a></td>
<td class="nump">4,126,923<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,528,100<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember', window );">Revolving Credit Facility</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredFinanceCostsNet', window );">Less unamortized deferred financing costs</a></td>
<td class="nump">2,500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2024Member', window );">Senior Unsecured Notes Due 2024</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate (percent)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1.037%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredFinanceCostsNet', window );">Less unamortized deferred financing costs</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,700<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember', window );">Corporate, Non-Segment | Senior Unsecured Notes Due 2030</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate (percent)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2.50%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_BlackHillsCorporationMember', window );">Black Hills Corporation | Corporate, Non-Segment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">3,625,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,026,436<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentUnamortizedDiscount', window );">Less unamortized debt discount</a></td>
<td class="num">(6,125)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(7,013)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts', window );">Total long-term debt</a></td>
<td class="nump">$ 3,618,875<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,019,423<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_BlackHillsCorporationMember', window );">Black Hills Corporation | Corporate, Non-Segment | Senior Unsecured Notes Due 2023</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate (percent)</a></td>
<td class="nump">4.25%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">$ 525,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">525,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_BlackHillsCorporationMember', window );">Black Hills Corporation | Corporate, Non-Segment | Senior Unsecured Notes Due 2024</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate (percent)</a></td>
<td class="nump">1.04%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">$ 600,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_BlackHillsCorporationMember', window );">Black Hills Corporation | Corporate, Non-Segment | Senior Unsecured Notes Due 2026</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate (percent)</a></td>
<td class="nump">3.95%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">$ 300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_BlackHillsCorporationMember', window );">Black Hills Corporation | Corporate, Non-Segment | Senior Unsecured Notes Due 2027</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate (percent)</a></td>
<td class="nump">3.15%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">$ 400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_BlackHillsCorporationMember', window );">Black Hills Corporation | Corporate, Non-Segment | Senior Unsecured Notes Due 2029</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate (percent)</a></td>
<td class="nump">3.05%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">$ 400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_BlackHillsCorporationMember', window );">Black Hills Corporation | Corporate, Non-Segment | Senior Unsecured Notes Due 2030</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate (percent)</a></td>
<td class="nump">2.50%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">$ 400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_BlackHillsCorporationMember', window );">Black Hills Corporation | Corporate, Non-Segment | Senior Unsecured Notes Due 2033</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate (percent)</a></td>
<td class="nump">4.35%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">$ 400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_BlackHillsCorporationMember', window );">Black Hills Corporation | Corporate, Non-Segment | Senior Unsecured Notes Due 2046</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate (percent)</a></td>
<td class="nump">4.20%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">$ 300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_BlackHillsCorporationMember', window );">Black Hills Corporation | Corporate, Non-Segment | Senior Unsecured Notes Due 2049</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate (percent)</a></td>
<td class="nump">3.88%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">$ 300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_BlackHillsCorporationMember', window );">Black Hills Corporation | Corporate, Non-Segment | Corporate Term Loan Due June 2021</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,436<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_SouthDakotaElectricMember', window );">Black Hills Energy - South Dakota Electric | Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">340,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">340,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentUnamortizedDiscount', window );">Less unamortized debt discount</a></td>
<td class="num">(74)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(78)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts', window );">Total long-term debt</a></td>
<td class="nump">$ 339,926<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">339,922<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_SouthDakotaElectricMember', window );">Black Hills Energy - South Dakota Electric | Electric Utilities | First Mortgage Bonds Due 2032</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate (percent)</a></td>
<td class="nump">7.23%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">$ 75,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">75,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_SouthDakotaElectricMember', window );">Black Hills Energy - South Dakota Electric | Electric Utilities | First Mortgage Bonds Due 2039</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate (percent)</a></td>
<td class="nump">6.13%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">$ 180,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">180,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_SouthDakotaElectricMember', window );">Black Hills Energy - South Dakota Electric | Electric Utilities | First Mortgage Bonds Due 2044</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate (percent)</a></td>
<td class="nump">4.43%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">$ 85,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">85,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_WyomingElectricMember', window );">Wyoming Electric | Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">195,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">202,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentUnamortizedDiscount', window );">Less unamortized debt discount</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts', window );">Total long-term debt</a></td>
<td class="nump">$ 195,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">202,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_WyomingElectricMember', window );">Wyoming Electric | Electric Utilities | First Mortgage Bonds Due 2044</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate (percent)</a></td>
<td class="nump">4.53%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">$ 75,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">75,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_WyomingElectricMember', window );">Wyoming Electric | Electric Utilities | Industrial Development Revenue Bonds Due 2021</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_WyomingElectricMember', window );">Wyoming Electric | Electric Utilities | Industrial Development Revenue Bonds Due 2027</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtPercentageBearingVariableInterestRate', window );">Variable interest rate (percent)</a></td>
<td class="nump">0.15%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">$ 10,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_WyomingElectricMember', window );">Wyoming Electric | Electric Utilities | First Mortgage Bonds Due 2037</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate (percent)</a></td>
<td class="nump">6.67%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentCarryingAmount', window );">Long-term debt</a></td>
<td class="nump">$ 110,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 110,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long term debt before the deduction of deferred financing costs, but after the deduction of unamortized (discount) premium and includes current maturities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_LongTermDebtBeforeTheDeductionOfDeferredFinancingCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
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<tr>
<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentCarryingAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466204&amp;loc=SL6031897-161870<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentCarryingAmount</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentInterestRateStatedPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contractual interest rate for funds borrowed, under the debt agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495323-112611<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateStatedPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</tr>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentUnamortizedDiscount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after accumulated amortization, of debt discount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1A<br> -URI http://asc.fasb.org/extlink&amp;oid=124435984&amp;loc=d3e28541-108399<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=114775985&amp;loc=d3e28878-108400<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1D<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495340-112611<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentUnamortizedDiscount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredFinanceCostsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1D<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495340-112611<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124435984&amp;loc=d3e28555-108399<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredFinanceCostsNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19,20)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtNoncurrent</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtPercentageBearingVariableInterestRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtPercentageBearingVariableInterestRate</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2024Member</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember</td>
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<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2030Member</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
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<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_BlackHillsCorporationMember</td>
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<td></td>
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<td></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2023Member</td>
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<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2026Member</td>
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<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2027Member</td>
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<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2029Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2029Member</td>
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<td></td>
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<tr>
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<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2033Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2033Member</td>
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<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2046Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2046Member</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2049Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2049Member</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=bkh_CorporateTermLoanDueJune2021Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=bkh_CorporateTermLoanDueJune2021Member</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_SouthDakotaElectricMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_SouthDakotaElectricMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=bkh_FirstMortgageBondsDue2032Member</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=bkh_FirstMortgageBondsDue2039Member</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333938776328">
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<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Financing: Long-Term Debt: Aggregate Maturities of Long Term Debt (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtDisclosureAbstract', window );"><strong>Debt Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtCurrent', window );">Less current maturities</a></td>
<td class="nump">$ 0<span></span>
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<td class="nump">$ 8,436<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo', window );">2023</a></td>
<td class="nump">525,000<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree', window );">2024</a></td>
<td class="nump">600,000<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour', window );">2025</a></td>
<td class="nump">0<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive', window );">2026</a></td>
<td class="nump">300,000<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive', window );">Thereafter</a></td>
<td class="nump">$ 2,735,000<span></span>
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<td class="text">&#160;<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1E<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495348-112611<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e24072-122690<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123465755&amp;loc=d3e1835-112601<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
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<DOCUMENT>
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<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333940139192">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Financing: Long-Term Debt: Amortization Expense (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtDisclosureAbstract', window );"><strong>Debt Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredFinanceCostsNet', window );">Deferred Financing Costs</a></td>
<td class="nump">$ 26,878<span></span>
</td>
<td class="nump">$ 24,809<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AmortizationOfFinancingCosts', window );">Amortization expense for deferred financing costs</a></td>
<td class="nump">$ 3,769<span></span>
</td>
<td class="nump">$ 3,272<span></span>
</td>
<td class="nump">$ 3,242<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AmortizationOfFinancingCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization expense attributable to debt issuance costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1F<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495355-112611<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124435984&amp;loc=d3e28555-108399<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AmortizationOfFinancingCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredFinanceCostsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1D<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495340-112611<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124435984&amp;loc=d3e28555-108399<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredFinanceCostsNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
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<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936259688">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Financing: Long-Term Debt: Debt Transactions (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Aug. 26, 2021</div></th>
<th class="th"><div>Jun. 17, 2020</div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredFinanceCostsNet', window );">Less unamortized deferred financing costs</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 26,878<span></span>
</td>
<td class="nump">$ 24,809<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2024Member', window );">Senior Unsecured Notes Due 2024</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate (percent)</a></td>
<td class="nump">1.037%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentTerm', window );">Debt Instrument, Term</a></td>
<td class="text">3 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredFinanceCostsNet', window );">Less unamortized deferred financing costs</a></td>
<td class="nump">$ 3,700<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember', window );">Corporate, Non-Segment | Senior Unsecured Notes Due 2024</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfDebt', window );">Proceeds from Issuance of Debt</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 600,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember', window );">Corporate, Non-Segment | Senior Unsecured Notes Due 2030</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfDebt', window );">Proceeds from Issuance of Debt</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentInterestRateStatedPercentage', window );">Stated interest rate (percent)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2.50%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtTerm', window );">Long-term Debt, Term</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">10 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentInterestRateStatedPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contractual interest rate for funds borrowed, under the debt agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495323-112611<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentInterestRateStatedPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentTerm">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentTerm</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredFinanceCostsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1D<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495340-112611<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124435984&amp;loc=d3e28555-108399<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredFinanceCostsNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtTerm">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period between issuance and maturity of long-term debt, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123874694&amp;loc=d3e19207-110258<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtTerm</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromIssuanceOfDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromIssuanceOfDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2024Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2024Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2030Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=bkh_SeniorUnsecuredNotesDue2030Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>96
<FILENAME>R80.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333931010376">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Financing: Debt Covenants (Details)<br></strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RatioOfIndebtednessToNetCapital1', window );">Ratio of Indebtedness to Net Capital</a></td>
<td class="nump">0.621<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DebtInstrumentDebtToCapitalizationRatioRequirement', window );">Debt Instrument, Debt to Capitalization Ratio Requirement</a></td>
<td class="nump">0.65<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum | Wyoming Electric</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DebtInstrumentDebtToCapitalizationRatioRequirement', window );">Debt Instrument, Debt to Capitalization Ratio Requirement</a></td>
<td class="nump">0.60<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_DebtInstrumentDebtToCapitalizationRatioRequirement">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Debt Instrument, Debt to Capitalization Ratio Requirement</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_DebtInstrumentDebtToCapitalizationRatioRequirement</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:pureItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RatioOfIndebtednessToNetCapital1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indebtedness divided by net capital.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RatioOfIndebtednessToNetCapital1</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:pureItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_WyomingElectricMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_WyomingElectricMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
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</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>97
<FILENAME>R81.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333939198344">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Financing: Dividend Restrictions (Details)<br> $ in Millions</strong></div></th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_BusinessGroupAxis=bkh_UtilitiesGroupMember', window );">Utilities Group</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt Instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries', window );">Restricted Net Assets for Subsidiaries</a></td>
<td class="nump">$ 155<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(e)(3)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
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<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_BusinessGroupAxis=bkh_UtilitiesGroupMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_BusinessGroupAxis=bkh_UtilitiesGroupMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333931070856">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Financing: At-the-Market Equity Offering Program (Details) - USD ($)<br> $ / shares in Units, $ in Thousands</strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="2">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Feb. 27, 2020</div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
<th class="th"><div>Jun. 30, 2021</div></th>
<th class="th"><div>Aug. 03, 2020</div></th>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_AtTheMarketEquityOfferingProgramAuthorizedAggregateValue', window );">At The Market Equity Offering Program Authorized Aggregate Value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 300,000<span></span>
</td>
<td class="nump">$ 400,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember', window );">Private Placement</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsOfStockIssuanceCosts', window );">Payments of Stock Issuance Costs</a></td>
<td class="nump">$ 1,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction', window );">Sale of Stock, Number of Shares Issued in Transaction</a></td>
<td class="nump">1,200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SaleOfStockPricePerShare', window );">Sale of Stock, Price Per Share</a></td>
<td class="nump">$ 81.77<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SaleOfStockConsiderationReceivedOnTransaction', window );">Sale of Stock, Consideration Received on Transaction</a></td>
<td class="nump">$ 99,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember', window );">Common Stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_AtTheMarketEquityOfferingProgramSharesIssued', window );">At The Market Equity Offering Program Shares Issued</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,812,197<span></span>
</td>
<td class="nump">1,328,332<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_AtTheMarketEquityProgramProceedsfromSaleofStock', window );">At The Market Equity Program Proceeds from Sale of Stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 119,000<span></span>
</td>
<td class="nump">$ 99,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsOfStockIssuanceCosts', window );">Payments of Stock Issuance Costs</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,100<span></span>
</td>
<td class="nump">$ 1,200<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_AtTheMarketEquityOfferingProgramAuthorizedAggregateValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>At The Market Equity Offering Program authorized an aggregate value that the Company may, through its sales agents, offer and sell from time to time shares of its common stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_AtTheMarketEquityOfferingProgramAuthorizedAggregateValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_AtTheMarketEquityOfferingProgramSharesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>At The Market Equity Offering Program Shares Issued</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_AtTheMarketEquityOfferingProgramSharesIssued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_AtTheMarketEquityProgramProceedsfromSaleofStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>At The Market Equity Program Proceeds from Sale of Stock</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_AtTheMarketEquityProgramProceedsfromSaleofStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsOfStockIssuanceCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow for cost incurred directly with the issuance of an equity security.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsOfStockIssuanceCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SaleOfStockConsiderationReceivedOnTransaction">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cash received on stock transaction after deduction of issuance costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SaleOfStockConsiderationReceivedOnTransaction</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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</tr>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SaleOfStockPricePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SaleOfStockPricePerShare</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>99
<FILENAME>R83.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333940120312">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Financing: Equity Issuance (Details) - Private Placement<br> $ / shares in Units, shares in Thousands, $ in Thousands</strong></div></th>
<th class="th">
<div>Feb. 27, 2020 </div>
<div>USD ($) </div>
<div>$ / shares </div>
<div>shares</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction', window );">Sale of Stock, Number of Shares Issued in Transaction | shares</a></td>
<td class="nump">1,200<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SaleOfStockPricePerShare', window );">Sale of Stock, Price Per Share | $ / shares</a></td>
<td class="nump">$ 81.77<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SaleOfStockConsiderationReceivedOnTransaction', window );">Sale of Stock, Consideration Received on Transaction</a></td>
<td class="nump">$ 99,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsOfStockIssuanceCosts', window );">Payments of Stock Issuance Costs</a></td>
<td class="nump">$ 1,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsOfStockIssuanceCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow for cost incurred directly with the issuance of an equity security.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsOfStockIssuanceCosts</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SaleOfStockConsiderationReceivedOnTransaction">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cash received on stock transaction after deduction of issuance costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SaleOfStockConsiderationReceivedOnTransaction</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SaleOfStockPricePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SaleOfStockPricePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>100
<FILENAME>R84.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333934331528">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Financing: Shareholder Dividend Reinvestment and Stock Purchase Plan (Details)<br></strong></div></th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>shares</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance', window );">Unissued Shares Available</a></td>
<td class="nump">116,306<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=bkh_DividendReinvestmentandStockPurchasePlanMember', window );">Dividend Reinvestment Plan</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_CommonStockPurchasePercentageOfRecentAverageMarketPrice', window );">Percent of recent average market price</a></td>
<td class="nump">100.00%<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_CommonStockPurchasePercentageOfRecentAverageMarketPrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Common stock purchase percentage of recent average market price</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_CommonStockPurchasePercentageOfRecentAverageMarketPrice</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ClassOfStockLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ClassOfStockLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate number of common shares reserved for future issuance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.29)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockCapitalSharesReservedForFutureIssuance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PlanNameAxis=bkh_DividendReinvestmentandStockPurchasePlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PlanNameAxis=bkh_DividendReinvestmentandStockPurchasePlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>101
<FILENAME>R85.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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							}</script>
</head>
<body>
<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936155336">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Financing: Preferred Stock (Details) - shares<br></strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityNoteAbstract', window );"><strong>Stockholders' Equity Note [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesAuthorized', window );">Preferred Stock, Shares Authorized</a></td>
<td class="nump">25,000,000<span></span>
</td>
<td class="nump">25,000,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesOutstanding', window );">Preferred Stock, Shares Outstanding</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquityNoteAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>xbrli:stringItemType</td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333929509880">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Risk Management And Derivatives: Utilities (Details)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($) </div>
<div>MMBTU </div>
<div>mW</div>
</th>
<th class="th">
<div>Dec. 31, 2020 </div>
<div>MMBTU </div>
<div>mW</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLineItems', window );"><strong>Derivative [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CollateralAlreadyPostedAggregateFairValue', window );">Collateral Already Posted, Aggregate Fair Value | $</a></td>
<td class="nump">$ 2,100<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_EnergyAxis=bkh_NaturalGasDistributionMember', window );">Natural Gas, Distribution | Future</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLineItems', window );"><strong>Derivative [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeNonmonetaryNotionalAmount', window );">Derivative, Nonmonetary Notional Amount</a></td>
<td class="nump">590,000<span></span>
</td>
<td class="nump">620,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeRemainingMaturity1', window );">Derivative, Remaining Maturity</a></td>
<td class="text">3 months<span></span>
</td>
<td class="text">3 months<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_EnergyAxis=bkh_NaturalGasDistributionMember', window );">Natural Gas, Distribution | Commodity Option</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLineItems', window );"><strong>Derivative [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeNonmonetaryNotionalAmount', window );">Derivative, Nonmonetary Notional Amount</a></td>
<td class="nump">3,100,000<span></span>
</td>
<td class="nump">3,160,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeRemainingMaturity1', window );">Derivative, Remaining Maturity</a></td>
<td class="text">3 months<span></span>
</td>
<td class="text">3 months<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_EnergyAxis=bkh_NaturalGasDistributionMember', window );">Natural Gas, Distribution | Basis Swap</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLineItems', window );"><strong>Derivative [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeNonmonetaryNotionalAmount', window );">Derivative, Nonmonetary Notional Amount</a></td>
<td class="nump">870,000<span></span>
</td>
<td class="nump">900,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeRemainingMaturity1', window );">Derivative, Remaining Maturity</a></td>
<td class="text">3 months<span></span>
</td>
<td class="text">3 months<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_EnergyAxis=bkh_NaturalGasDistributionMember', window );">Natural Gas, Distribution | Fixed for Float Swaps Purchased</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLineItems', window );"><strong>Derivative [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeNonmonetaryNotionalAmount', window );">Derivative, Nonmonetary Notional Amount</a></td>
<td class="nump">4,570,000<span></span>
</td>
<td class="nump">3,850,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeRemainingMaturity1', window );">Derivative, Remaining Maturity</a></td>
<td class="text">34 months<span></span>
</td>
<td class="text">17 months<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_EnergyAxis=bkh_NaturalGasDistributionMember', window );">Natural Gas, Distribution | Fixed for Float Swaps Purchased | Cash Flow Hedging | Over the Counter</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLineItems', window );"><strong>Derivative [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeNonmonetaryNotionalAmount', window );">Derivative, Nonmonetary Notional Amount</a></td>
<td class="nump">1,830,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_EnergyAxis=bkh_NaturalGasDistributionMember', window );">Natural Gas, Distribution | Natural Gas Physical Purchases</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLineItems', window );"><strong>Derivative [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeNonmonetaryNotionalAmount', window );">Derivative, Nonmonetary Notional Amount</a></td>
<td class="nump">16,416,677<span></span>
</td>
<td class="nump">17,513,061<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeRemainingMaturity1', window );">Derivative, Remaining Maturity</a></td>
<td class="text">24 months<span></span>
</td>
<td class="text">22 months<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_EnergyAxis=us-gaap_ElectricityMember', window );">Electricity | Energy Related Derivative</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLineItems', window );"><strong>Derivative [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeNonmonetaryNotionalAmount', window );">Derivative, Nonmonetary Notional Amount | mW</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">219,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeRemainingMaturity1', window );">Derivative, Remaining Maturity</a></td>
<td class="text">0 months<span></span>
</td>
<td class="text">12 months<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CollateralAlreadyPostedAggregateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4H<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=125515794&amp;loc=SL5624258-113959<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CollateralAlreadyPostedAggregateFairValue</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeNonmonetaryNotionalAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Nominal number of units used to calculate payment on derivative.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 40<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123477628&amp;loc=d3e90205-114008<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1B<br> -URI http://asc.fasb.org/extlink&amp;oid=125515794&amp;loc=SL5580258-113959<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 18<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=SL123496189-112644<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1I<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495371-112611<br><br>Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=125515794&amp;loc=SL5579245-113959<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeNonmonetaryNotionalAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:decimalItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeRemainingMaturity1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeRemainingMaturity1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_EnergyAxis=bkh_NaturalGasDistributionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_EnergyAxis=bkh_NaturalGasDistributionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeInstrumentRiskAxis=us-gaap_FutureMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeInstrumentRiskAxis=us-gaap_FutureMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityOptionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityOptionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeInstrumentRiskAxis=us-gaap_BasisSwapMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeInstrumentRiskAxis=us-gaap_BasisSwapMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeInstrumentRiskAxis=bkh_FixedforFloatSwapsPurchasedMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeInstrumentRiskAxis=bkh_FixedforFloatSwapsPurchasedMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TransactionTypeAxis=us-gaap_OverTheCounterMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TransactionTypeAxis=us-gaap_OverTheCounterMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeInstrumentRiskAxis=bkh_NaturalGasPhysicalPurchasesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeInstrumentRiskAxis=bkh_NaturalGasPhysicalPurchasesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_EnergyAxis=us-gaap_ElectricityMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_EnergyAxis=us-gaap_ElectricityMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeInstrumentRiskAxis=us-gaap_EnergyRelatedDerivativeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeInstrumentRiskAxis=us-gaap_EnergyRelatedDerivativeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>103
<FILENAME>R87.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
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<head>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333929606728">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Risk Management And Derivatives: Derivatives by Balance Sheet Classification (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember', window );">Designated as Hedging Instrument</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral', window );">Derivative Asset, Fair Value, Amount Not Offset Against Collateral</a></td>
<td class="nump">$ 2,035<span></span>
</td>
<td class="nump">$ 116<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember', window );">Commodity Contract | Not Designated as Hedging Instrument</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral', window );">Derivative Asset, Fair Value, Amount Not Offset Against Collateral</a></td>
<td class="nump">1,701<span></span>
</td>
<td class="num">(118)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BalanceSheetLocationAxis=bkh_DerivativeAssetsCurrentMember', window );">Derivative Assets, Current | Commodity Contract | Designated as Hedging Instrument</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeFairValueOfDerivativeAsset', window );">Derivative Asset, Fair Value, Gross Asset</a></td>
<td class="nump">2,017<span></span>
</td>
<td class="nump">181<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BalanceSheetLocationAxis=bkh_DerivativeAssetsCurrentMember', window );">Derivative Assets, Current | Commodity Contract | Not Designated as Hedging Instrument</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeFairValueOfDerivativeAsset', window );">Derivative Asset, Fair Value, Gross Asset</a></td>
<td class="nump">2,356<span></span>
</td>
<td class="nump">1,667<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BalanceSheetLocationAxis=bkh_DerivativeAssetsNoncurrentMember', window );">Derivative Assets, Noncurrent | Commodity Contract | Designated as Hedging Instrument</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeFairValueOfDerivativeAsset', window );">Derivative Asset, Fair Value, Gross Asset</a></td>
<td class="nump">18<span></span>
</td>
<td class="nump">43<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BalanceSheetLocationAxis=bkh_DerivativeAssetsNoncurrentMember', window );">Derivative Assets, Noncurrent | Commodity Contract | Not Designated as Hedging Instrument</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeFairValueOfDerivativeAsset', window );">Derivative Asset, Fair Value, Gross Asset</a></td>
<td class="nump">804<span></span>
</td>
<td class="nump">151<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BalanceSheetLocationAxis=bkh_DerivativeLiabilitiesCurrentMember', window );">Derivative Liabilities, Current | Commodity Contract | Designated as Hedging Instrument</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeFairValueOfDerivativeLiability', window );">Derivative Liability, Fair Value, Gross Liability</a></td>
<td class="nump">0<span></span>
</td>
<td class="num">(108)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BalanceSheetLocationAxis=bkh_DerivativeLiabilitiesCurrentMember', window );">Derivative Liabilities, Current | Commodity Contract | Not Designated as Hedging Instrument</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeFairValueOfDerivativeLiability', window );">Derivative Liability, Fair Value, Gross Liability</a></td>
<td class="num">(1,439)<span></span>
</td>
<td class="num">(1,936)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BalanceSheetLocationAxis=bkh_DerivativeLiabilitiesNoncurrentMember', window );">Derivative Liabilities, Noncurrent | Commodity Contract | Not Designated as Hedging Instrument</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeFairValueOfDerivativeLiability', window );">Derivative Liability, Fair Value, Gross Liability</a></td>
<td class="num">$ (20)<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeFairValueOfDerivativeAsset">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.</p></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333929575688">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Risk Management And Derivatives: Cash Flow Hedges (Details) - Cash Flow Hedging - USD ($)<br> $ in Thousands</strong></div></th>
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<th class="th"><div>Dec. 31, 2021</div></th>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths', window );">Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months</a></td>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember', window );">Reclassification out of Accumulated Other Comprehensive Income | Cash Flow Hedging</a></td>
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<td class="text">&#160;<span></span>
</td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossLineItems', window );"><strong>Derivative Instruments, Gain (Loss) [Line Items]</strong></a></td>
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</td>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossLineItems', window );"><strong>Derivative Instruments, Gain (Loss) [Line Items]</strong></a></td>
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<td class="text">&#160;<span></span>
</td>
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<td class="num">(2,851)<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossLineItems', window );"><strong>Derivative Instruments, Gain (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet', window );">Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net</a></td>
<td class="nump">2,051<span></span>
</td>
<td class="num">(601)<span></span>
</td>
<td class="nump">417<span></span>
</td>
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<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember', window );">Designated as Hedging Instrument</a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossLineItems', window );"><strong>Derivative Instruments, Gain (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet', window );">Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net</a></td>
<td class="nump">4,803<span></span>
</td>
<td class="nump">3,391<span></span>
</td>
<td class="nump">1,886<span></span>
</td>
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<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember', window );">Designated as Hedging Instrument | Interest Rate Swap</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossLineItems', window );"><strong>Derivative Instruments, Gain (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet', window );">Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net</a></td>
<td class="nump">2,851<span></span>
</td>
<td class="nump">2,851<span></span>
</td>
<td class="nump">2,851<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember', window );">Designated as Hedging Instrument | Commodity Contract</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossLineItems', window );"><strong>Derivative Instruments, Gain (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet', window );">Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net</a></td>
<td class="nump">$ 1,952<span></span>
</td>
<td class="nump">$ 540<span></span>
</td>
<td class="num">$ (965)<span></span>
</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.</p></div>
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<tr>
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<td style="white-space:nowrap;">us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4D<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=125515794&amp;loc=SL5624177-113959<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4C<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=125515794&amp;loc=SL5624171-113959<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td class="text">&#160;<span></span>
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</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="nump">$ 796,599<span></span>
</td>
<td class="nump">$ 278,258<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_PriceRiskDerivativeMember', window );">Gas price derivatives</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossLineItems', window );"><strong>Derivative Instruments, Gain (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="nump">2,584<span></span>
</td>
<td class="nump">2,226<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember', window );">Not Designated as Hedging Instrument</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossLineItems', window );"><strong>Derivative Instruments, Gain (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeGainLossOnDerivativeNet', window );">Derivative, Gain (Loss) on Derivative, Net</a></td>
<td class="nump">2,455<span></span>
</td>
<td class="nump">1,784<span></span>
</td>
<td class="num">$ (1,100)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember', window );">Not Designated as Hedging Instrument | Fuel, purchased power and cost of natural gas sold | Electricity</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossLineItems', window );"><strong>Derivative Instruments, Gain (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeGainLossOnDerivativeNet', window );">Derivative, Gain (Loss) on Derivative, Net</a></td>
<td class="num">(144)<span></span>
</td>
<td class="nump">144<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember', window );">Not Designated as Hedging Instrument | Fuel, purchased power and cost of natural gas sold | Natural Gas</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentsGainLossLineItems', window );"><strong>Derivative Instruments, Gain (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeGainLossOnDerivativeNet', window );">Derivative, Gain (Loss) on Derivative, Net</a></td>
<td class="nump">$ 2,599<span></span>
</td>
<td class="nump">$ 1,640<span></span>
</td>
<td class="num">$ (1,100)<span></span>
</td>
</tr>
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<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeGainLossOnDerivativeNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4A<br> -Subparagraph (b)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=125515794&amp;loc=SL5618551-113959<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeGainLossOnDerivativeNet</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeInstrumentsGainLossLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeInstrumentsGainLossLineItems</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssets</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAxis=us-gaap_PriceRiskDerivativeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=us-gaap_PriceRiskDerivativeMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeStatementLocationAxis=us-gaap_CostOfSalesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_EnergyAxis=us-gaap_ElectricityMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_EnergyAxis=srt_NaturalGasReservesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_EnergyAxis=srt_NaturalGasReservesMember</td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936972024">
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<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Fair Value Measurements: Recurring Fair Value Measurements (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NettingContractCategoryAxis=bkh_ContractSubjecttoMasterNettingArrangementMember', window );">Contract Subject to Master Netting Arrangement</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeFairValueOfDerivativeAsset', window );">Derivative Asset, Fair Value, Gross Asset</a></td>
<td class="nump">$ 2,400<span></span>
</td>
<td class="nump">$ 1,500<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeFairValueOfDerivativeLiability', window );">Derivative Liability, Fair Value, Gross Liability</a></td>
<td class="nump">1,800<span></span>
</td>
<td class="nump">1,600<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair Value, Measurements, Recurring</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset', window );">Derivative Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset</a></td>
<td class="num">(2,374)<span></span>
</td>
<td class="num">(1,527)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset', window );">Derivative Liability, Fair Value, Gross Asset and Right to Reclaim Cash, Offset</a></td>
<td class="num">(1,814)<span></span>
</td>
<td class="num">(1,552)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair Value, Measurements, Recurring | Fair Value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Derivative Assets, Total</a></td>
<td class="nump">5,195<span></span>
</td>
<td class="nump">2,042<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesFairValueDisclosure', window );">Derivative Liabilities, Total</a></td>
<td class="nump">1,459<span></span>
</td>
<td class="nump">2,044<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Derivative Assets, Total</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesFairValueDisclosure', window );">Derivative Liabilities, Total</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Derivative Assets, Total</a></td>
<td class="nump">7,569<span></span>
</td>
<td class="nump">3,569<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesFairValueDisclosure', window );">Derivative Liabilities, Total</a></td>
<td class="nump">3,273<span></span>
</td>
<td class="nump">3,596<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Derivative Assets, Total</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesFairValueDisclosure', window );">Derivative Liabilities, Total</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair Value, Measurements, Recurring | Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset', window );">Derivative Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset</a></td>
<td class="num">(2,374)<span></span>
</td>
<td class="num">(1,527)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset', window );">Derivative Liability, Fair Value, Gross Asset and Right to Reclaim Cash, Offset</a></td>
<td class="num">(1,814)<span></span>
</td>
<td class="num">(1,552)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair Value, Measurements, Recurring | Gas Utilities | Fair Value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeAssets', window );">Derivative Assets, Fair Value Disclosure</a></td>
<td class="nump">5,195<span></span>
</td>
<td class="nump">977<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLiabilities', window );">Derivative, Liabilities, Fair Value Disclosure</a></td>
<td class="nump">1,459<span></span>
</td>
<td class="nump">1,123<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair Value, Measurements, Recurring | Gas Utilities | Fair Value, Inputs, Level 1</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeAssets', window );">Derivative Assets, Fair Value Disclosure</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLiabilities', window );">Derivative, Liabilities, Fair Value Disclosure</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair Value, Measurements, Recurring | Gas Utilities | Fair Value, Inputs, Level 2</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeAssets', window );">Derivative Assets, Fair Value Disclosure</a></td>
<td class="nump">7,569<span></span>
</td>
<td class="nump">2,504<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLiabilities', window );">Derivative, Liabilities, Fair Value Disclosure</a></td>
<td class="nump">3,273<span></span>
</td>
<td class="nump">2,675<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair Value, Measurements, Recurring | Gas Utilities | Fair Value, Inputs, Level 3</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeAssets', window );">Derivative Assets, Fair Value Disclosure</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLiabilities', window );">Derivative, Liabilities, Fair Value Disclosure</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair Value, Measurements, Recurring | Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset', window );">Derivative Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset', window );">Derivative Liability, Fair Value, Gross Asset and Right to Reclaim Cash, Offset</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair Value, Measurements, Recurring | Electric Utilities | Fair Value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeAssets', window );">Derivative Assets, Fair Value Disclosure</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">1,065<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLiabilities', window );">Derivative, Liabilities, Fair Value Disclosure</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">921<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair Value, Measurements, Recurring | Electric Utilities | Fair Value, Inputs, Level 1</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeAssets', window );">Derivative Assets, Fair Value Disclosure</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLiabilities', window );">Derivative, Liabilities, Fair Value Disclosure</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair Value, Measurements, Recurring | Electric Utilities | Fair Value, Inputs, Level 2</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeAssets', window );">Derivative Assets, Fair Value Disclosure</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">1,065<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLiabilities', window );">Derivative, Liabilities, Fair Value Disclosure</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">921<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair Value, Measurements, Recurring | Electric Utilities | Fair Value, Inputs, Level 3</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeAssets', window );">Derivative Assets, Fair Value Disclosure</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeLiabilities', window );">Derivative, Liabilities, Fair Value Disclosure</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsFairValueDisclosure">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123874694&amp;loc=d3e19207-110258<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsFairValueDisclosure</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, and obligation to return cash collateral under master netting arrangements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226003-175313<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=117331979&amp;loc=d3e41228-113958<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 55<br> -Paragraph 21<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226049-175313<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=51824906&amp;loc=SL20225862-175312<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226008-175313<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 55<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226052-175313<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=123594938&amp;loc=d3e13433-108611<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=51824906&amp;loc=SL20225862-175312<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeAssets</td>
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<tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=51824906&amp;loc=SL20225862-175312<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 55<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226052-175313<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 55<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226000-175313<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 860<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4D<br> -Subparagraph (c)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=121570589&amp;loc=SL51823488-111719<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4B<br> -Subparagraph (a),(c)<br> -URI http://asc.fasb.org/extlink&amp;oid=125515794&amp;loc=SL5624163-113959<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeFairValueOfDerivativeAsset</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeFairValueOfDerivativeLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 860<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4D<br> -Subparagraph (c)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=121570589&amp;loc=SL51823488-111719<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4B<br> -Subparagraph (a),(c)<br> -URI http://asc.fasb.org/extlink&amp;oid=125515794&amp;loc=SL5624163-113959<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=51824906&amp;loc=SL20225862-175312<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 55<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226000-175313<br><br>Reference 5: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 55<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226052-175313<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeFairValueOfDerivativeLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=51824906&amp;loc=SL20225862-175312<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226008-175313<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=123594938&amp;loc=d3e13433-108611<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 55<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226052-175313<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, and right to receive cash collateral under master netting arrangements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226003-175313<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=51824906&amp;loc=SL20225862-175312<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 20<br> -Section 55<br> -Paragraph 21<br> -URI http://asc.fasb.org/extlink&amp;oid=99393222&amp;loc=SL20226049-175313<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=117331979&amp;loc=d3e41228-113958<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value of financial and nonfinancial obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123874694&amp;loc=d3e19207-110258<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Fair Value Measurements: Other Fair Value Measurements (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">$ 4,126,923<span></span>
</td>
<td class="nump">$ 3,536,536<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementBasisAxis=us-gaap_EstimateOfFairValueFairValueDisclosureMember', window );">Fair Value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
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<td class="nump">$ 4,570,619<span></span>
</td>
<td class="nump">$ 4,208,167<span></span>
</td>
</tr>
</table>
<div style="display: none;">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466204&amp;loc=SL6031897-161870<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 55<br> -Paragraph 69C<br> -URI http://asc.fasb.org/extlink&amp;oid=123466577&amp;loc=SL123495737-112612<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 55<br> -Paragraph 69B<br> -URI http://asc.fasb.org/extlink&amp;oid=123466577&amp;loc=SL123495735-112612<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1D<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495340-112611<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByMeasurementBasisAxis=us-gaap_CarryingReportedAmountFairValueDisclosureMember</td>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>108
<FILENAME>R92.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936754024">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Other Comprehensive Income (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeOnDerivativesLineItems', window );"><strong>Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestCostsIncurred', window );">Interest expense</a></td>
<td class="nump">$ 154,112<span></span>
</td>
<td class="nump">$ 144,931<span></span>
</td>
<td class="nump">$ 139,291<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_FuelPurchasedPowerAndCostOfGasSold', window );">Fuel, purchased power and cost of natural gas sold</a></td>
<td class="nump">741,934<span></span>
</td>
<td class="nump">492,404<span></span>
</td>
<td class="nump">570,829<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_OperatingExpenseMaintenanceOperationsandOtherCostsandExpense', window );">Operations and maintenance</a></td>
<td class="nump">501,690<span></span>
</td>
<td class="nump">495,404<span></span>
</td>
<td class="nump">495,994<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income Tax Expense (Benefit)</a></td>
<td class="num">(7,169)<span></span>
</td>
<td class="num">(32,918)<span></span>
</td>
<td class="num">(29,580)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income</a></td>
<td class="nump">251,260<span></span>
</td>
<td class="nump">242,763<span></span>
</td>
<td class="nump">$ 213,322<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis=us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember', window );">Reclassification out of Accumulated Other Comprehensive Income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeOnDerivativesLineItems', window );"><strong>Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income</a></td>
<td class="num">(2,280)<span></span>
</td>
<td class="num">(4,418)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember', window );">Cash Flow Hedging | Reclassification out of Accumulated Other Comprehensive Income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeOnDerivativesLineItems', window );"><strong>Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments', window );">Income before income taxes</a></td>
<td class="num">(800)<span></span>
</td>
<td class="num">(3,452)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income Tax Expense (Benefit)</a></td>
<td class="nump">175<span></span>
</td>
<td class="nump">383<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income</a></td>
<td class="num">(625)<span></span>
</td>
<td class="num">(3,069)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember', window );">Cash Flow Hedging | Reclassification out of Accumulated Other Comprehensive Income | Interest Rate Swap</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeOnDerivativesLineItems', window );"><strong>Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestCostsIncurred', window );">Interest expense</a></td>
<td class="num">(2,851)<span></span>
</td>
<td class="num">(2,851)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember', window );">Cash Flow Hedging | Reclassification out of Accumulated Other Comprehensive Income | Commodity Contract</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeOnDerivativesLineItems', window );"><strong>Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_FuelPurchasedPowerAndCostOfGasSold', window );">Fuel, purchased power and cost of natural gas sold</a></td>
<td class="nump">2,051<span></span>
</td>
<td class="num">(601)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetPriorServiceCostCreditMember', window );">Accumulated Defined Benefit Plans Adjustment, Net Prior Service Cost | Reclassification out of Accumulated Other Comprehensive Income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeOnDerivativesLineItems', window );"><strong>Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_OperatingExpenseMaintenanceOperationsandOtherCostsandExpense', window );">Operations and maintenance</a></td>
<td class="nump">98<span></span>
</td>
<td class="nump">103<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember', window );">Accumulated Defined Benefit Plans Adjustment, Net Unamortized Gain (Loss) | Reclassification out of Accumulated Other Comprehensive Income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeOnDerivativesLineItems', window );"><strong>Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_OperatingExpenseMaintenanceOperationsandOtherCostsandExpense', window );">Operations and maintenance</a></td>
<td class="num">(2,391)<span></span>
</td>
<td class="num">(2,387)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember', window );">Accumulated Defined Benefit Plans Adjustment | Reclassification out of Accumulated Other Comprehensive Income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeOnDerivativesLineItems', window );"><strong>Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments', window );">Income before income taxes</a></td>
<td class="num">(2,293)<span></span>
</td>
<td class="num">(2,284)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income Tax Expense (Benefit)</a></td>
<td class="nump">638<span></span>
</td>
<td class="nump">935<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income</a></td>
<td class="num">$ (1,655)<span></span>
</td>
<td class="num">$ (1,349)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_FuelPurchasedPowerAndCostOfGasSold">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fuel costs incurred that are directly related to goods produced and sold and services rendered during the reporting period, combined with the amount of purchased power charged against earnings for the period, and cost of gas sold to customers for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_FuelPurchasedPowerAndCostOfGasSold</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_OperatingExpenseMaintenanceOperationsandOtherCostsandExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating expenses for the period including selling, general, and administrative expenses, costs include routine repairs and maintenance and operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_OperatingExpenseMaintenanceOperationsandOtherCostsandExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 31<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8924-108599<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32672-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22663-107794<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123586238&amp;loc=d3e38679-109324<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(9))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22658-107794<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestCostsIncurred">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total interest costs incurred during the period and either capitalized or charged against earnings.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=6450988&amp;loc=d3e26243-108391<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestCostsIncurred</td>
</tr>
<tr>
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<td><strong> Balance Type:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936692200">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Other Comprehensive Income: Accumulated Other Comprehensive Income (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems', window );"><strong>Accumulated Other Comprehensive Income (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax', window );">Accumulated Other Comprehensive Income (Loss), Net of Tax, Period Start</a></td>
<td class="num">$ (27,346)<span></span>
</td>
<td class="num">$ (30,655)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax', window );">Accumulated Other Comprehensive Income (Loss), Net of Tax, Period End</a></td>
<td class="num">(20,084)<span></span>
</td>
<td class="num">(27,346)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember', window );">Accumulated Defined Benefit Plans Adjustment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems', window );"><strong>Accumulated Other Comprehensive Income (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax', window );">Accumulated Other Comprehensive Income (Loss), Net of Tax, Period Start</a></td>
<td class="num">(14,790)<span></span>
</td>
<td class="num">(15,077)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax', window );">Other comprehensive income (loss), before reclassifications</a></td>
<td class="nump">1,959<span></span>
</td>
<td class="num">(1,062)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax', window );">Accumulated Other Comprehensive Income (Loss), Net of Tax, Period End</a></td>
<td class="num">(11,176)<span></span>
</td>
<td class="num">(14,790)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember', window );">Accumulated Defined Benefit Plans Adjustment | Reclassification out of Accumulated Other Comprehensive Income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems', window );"><strong>Accumulated Other Comprehensive Income (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax', window );">Amounts reclassified from AOCI</a></td>
<td class="nump">1,655<span></span>
</td>
<td class="nump">1,349<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedOtherComprehensiveIncomeMember', window );">Accumulated Other Comprehensive Income (Loss)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems', window );"><strong>Accumulated Other Comprehensive Income (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax', window );">Other comprehensive income (loss), before reclassifications</a></td>
<td class="nump">4,982<span></span>
</td>
<td class="num">(1,109)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedOtherComprehensiveIncomeMember', window );">Accumulated Other Comprehensive Income (Loss) | Reclassification out of Accumulated Other Comprehensive Income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems', window );"><strong>Accumulated Other Comprehensive Income (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax', window );">Amounts reclassified from AOCI</a></td>
<td class="nump">2,280<span></span>
</td>
<td class="nump">4,418<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember', window );">Interest Rate Swap | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems', window );"><strong>Accumulated Other Comprehensive Income (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax', window );">Accumulated Other Comprehensive Income (Loss), Net of Tax, Period Start</a></td>
<td class="num">(12,558)<span></span>
</td>
<td class="num">(15,122)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax', window );">Other comprehensive income (loss), before reclassifications</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax', window );">Accumulated Other Comprehensive Income (Loss), Net of Tax, Period End</a></td>
<td class="num">(10,384)<span></span>
</td>
<td class="num">(12,558)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember', window );">Interest Rate Swap | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems', window );"><strong>Accumulated Other Comprehensive Income (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax', window );">Amounts reclassified from AOCI</a></td>
<td class="nump">2,174<span></span>
</td>
<td class="nump">2,564<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember', window );">Commodity Contract | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems', window );"><strong>Accumulated Other Comprehensive Income (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax', window );">Accumulated Other Comprehensive Income (Loss), Net of Tax, Period Start</a></td>
<td class="nump">2<span></span>
</td>
<td class="num">(456)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax', window );">Other comprehensive income (loss), before reclassifications</a></td>
<td class="nump">3,023<span></span>
</td>
<td class="num">(47)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax', window );">Accumulated Other Comprehensive Income (Loss), Net of Tax, Period End</a></td>
<td class="nump">1,476<span></span>
</td>
<td class="nump">2<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DerivativeInstrumentRiskAxis=us-gaap_CommodityContractMember', window );">Commodity Contract | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges | Reclassification out of Accumulated Other Comprehensive Income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems', window );"><strong>Accumulated Other Comprehensive Income (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax', window );">Amounts reclassified from AOCI</a></td>
<td class="num">$ (1,549)<span></span>
</td>
<td class="nump">$ 505<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e637-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(23)(a)(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14A<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669686-108580<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 40<br> -Section 65<br> -Paragraph 2<br> -Subparagraph (h)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=124501264&amp;loc=SL117420844-207641<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 40<br> -Section 65<br> -Paragraph 2<br> -Subparagraph (g)(2)(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=124501264&amp;loc=SL117420844-207641<br><br>Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e681-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax, before reclassification adjustments of other comprehensive income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=124431353&amp;loc=SL124442411-227067<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 45<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=118261656&amp;loc=d3e32136-110900<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6450520&amp;loc=d3e32583-110901<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14A<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669686-108580<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=124507222&amp;loc=d3e1436-108581<br><br>Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=124431353&amp;loc=SL124442407-227067<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 45<br> -Paragraph 20<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=118261656&amp;loc=d3e32211-110900<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of reclassification adjustments of other comprehensive income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 45<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=118261656&amp;loc=d3e32136-110900<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 45<br> -Paragraph 20<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=118261656&amp;loc=d3e32211-110900<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=124431353&amp;loc=SL124442411-227067<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6450520&amp;loc=d3e32583-110901<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14A<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669686-108580<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=124507222&amp;loc=d3e1436-108581<br><br>Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=124431353&amp;loc=SL124442407-227067<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax</td>
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<th class="th" colspan="1"></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Apr. 14, 2016</div></th>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($) </div>
<div>MW</div>
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<th class="th">
<div>Dec. 31, 2020 </div>
<div>USD ($)</div>
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<th class="th">
<div>Dec. 31, 2019 </div>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">49.90%<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="num">$ (14,516)<span></span>
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<td class="num">$ (15,155)<span></span>
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<td class="num">$ (14,012)<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">30 days<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">$ 808,133<span></span>
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<td class="nump">493,291<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">6,449,176<span></span>
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<td class="nump">6,019,714<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="nump">901,713<span></span>
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<td class="nump">696,533<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember', window );">Variable Interest Entity, Primary Beneficiary</a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="nump">13,220<span></span>
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<td class="nump">13,604<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">189,079<span></span>
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<td class="nump">190,637<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">5,841<span></span>
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<td class="nump">5,318<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_VariableInterestEntityLineItems', window );"><strong>Variable Interest Entity [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="num">$ (15,000)<span></span>
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<td class="num">$ (15,000)<span></span>
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<td class="num">$ (14,000)<span></span>
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</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=bkh_PuebloAirportGenerationMember', window );">Pueblo Airport Generation | Subsidiary of Common Parent</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_VariableInterestEntityLineItems', window );"><strong>Variable Interest Entity [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberOfMegawattsCapacityPurchasedOld', window );">Electric Generation Capacity, Megawatts | MW</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">200<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NumberOfDaysFollowingTheEndOfTheQuarterWhenDistributionsOfNetIncomeAttributableToThisNonControllingInterestAreDue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of Days Following the End of the Quarter When Distributions of Net Income Attributable to this Non-controlling Interest are Due</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</div></td></tr>
</table>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of Megawatts being purchased under capacity and energy contract</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr>
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<tr>
<td><strong> Period Type:</strong></td>
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</table></div>
</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 50<br> -Paragraph 7<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124433192&amp;loc=SL2890621-112765<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iii)(A))<br> -URI 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of Net Income (Loss) attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669625-108580<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=109239629&amp;loc=SL4573702-111684<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22658-107794<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669619-108580<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4J<br> -URI http://asc.fasb.org/extlink&amp;oid=120409616&amp;loc=SL4591551-111686<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22663-107794<br><br>Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=124431353&amp;loc=SL124452729-227067<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLossAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(14))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 360<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=124429447&amp;loc=SL124453093-239630<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 6: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 852<br> -SubTopic 10<br> -Section 55<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_VariableInterestEntityLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_VariableInterestEntityLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_VariableInterestEntityOwnershipPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5A<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123419778&amp;loc=SL6759159-111685<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_VariableInterestEntityOwnershipPercentage</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=bkh_PowerGenerationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=bkh_PowerGenerationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=bkh_PuebloAirportGenerationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis=bkh_PuebloAirportGenerationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_SubsidiaryOfCommonParentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_SubsidiaryOfCommonParentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333930115384">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Employee Benefit Plans: Defined Contribution Plans (Details)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2021</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent', window );">Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent</a></td>
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</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage', window );">Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage</a></td>
<td class="nump">20.00%<span></span>
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</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DefinedContributionPlanEmployeeVestingPeriod', window );">Defined Contribution Plan, Employee Vesting Period</a></td>
<td class="text">5 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum</a></td>
<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage', window );">Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage</a></td>
<td class="nump">100.00%<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_DefinedContributionPlanEmployeeVestingPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period over which an employee vests in a defined contribution plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_DefinedContributionPlanEmployeeVestingPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of employer's matching contributions to a defined contribution plan that vests in a given year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
</div></td></tr>
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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>112
<FILENAME>R96.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333930731704">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Employee Benefit Plans: Defined Benefit Pension Plan (Details) - gas_distribution_territory<br></strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_NumberOfDefinedPensionPlans', window );">Number of Defined Pension Plans</a></td>
<td class="nump">1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage', window );">Defined Benefit Plan, Plan Assets, Target Allocation, Percentage</a></td>
<td class="nump">100.00%<span></span>
</td>
<td class="nump">100.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_EquitySecuritiesMember', window );">Investment in privately held oil and gas company</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage', window );">Defined Benefit Plan, Plan Assets, Target Allocation, Percentage</a></td>
<td class="nump">15.00%<span></span>
</td>
<td class="nump">21.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_RealEstateMember', window );">Real Estate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage', window );">Defined Benefit Plan, Plan Assets, Target Allocation, Percentage</a></td>
<td class="nump">7.00%<span></span>
</td>
<td class="nump">3.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_FixedIncomeFundsMember', window );">Fixed Income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage', window );">Defined Benefit Plan, Plan Assets, Target Allocation, Percentage</a></td>
<td class="nump">74.00%<span></span>
</td>
<td class="nump">69.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember', window );">Cash</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage', window );">Defined Benefit Plan, Plan Assets, Target Allocation, Percentage</a></td>
<td class="nump">1.00%<span></span>
</td>
<td class="nump">3.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_HedgeFundsMultistrategyMember', window );">Hedge Funds</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage', window );">Defined Benefit Plan, Plan Assets, Target Allocation, Percentage</a></td>
<td class="nump">3.00%<span></span>
</td>
<td class="nump">4.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MinimumMember', window );">Minimum | Return Seeking Assets | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage', window );">Defined Benefit Plan, Plan Assets, Target Allocation, Percentage</a></td>
<td class="nump">22.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MinimumMember', window );">Minimum | Hedge Funds | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage', window );">Defined Benefit Plan, Plan Assets, Target Allocation, Percentage</a></td>
<td class="nump">70.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum | Return Seeking Assets | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage', window );">Defined Benefit Plan, Plan Assets, Target Allocation, Percentage</a></td>
<td class="nump">30.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum | Hedge Funds | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage', window );">Defined Benefit Plan, Plan Assets, Target Allocation, Percentage</a></td>
<td class="nump">78.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_NumberOfDefinedPensionPlans">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of Defined Pension Plans</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_NumberOfDefinedPensionPlans</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:integerItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4179-114921<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(i)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_EquitySecuritiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_EquitySecuritiesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_RealEstateMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_RealEstateMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_FixedIncomeFundsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_FixedIncomeFundsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_HedgeFundsMultistrategyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_HedgeFundsMultistrategyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MinimumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MinimumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_ReturnSeekingAssetsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_ReturnSeekingAssetsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember">
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<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
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<head>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333938493608">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Employee Benefit Plans: Plan Contributions (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionContributions', window );">Payment for Pension Benefits</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 12,700<span></span>
</td>
<td class="nump">$ 12,700<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember', window );">Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionContributions', window );">Payment for Pension Benefits</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">12,700<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear', window );">Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year</a></td>
<td class="nump">3,900<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Other Postretirement Benefits Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherPostretirementBenefitsPayments', window );">Payment for Pension and Other Postretirement Benefits</a></td>
<td class="nump">6,432<span></span>
</td>
<td class="nump">6,058<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember', window );">Supplemental Employee Retirement Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherPostretirementBenefitsPayments', window );">Payment for Pension and Other Postretirement Benefits</a></td>
<td class="nump">2,576<span></span>
</td>
<td class="nump">2,674<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanNameAxis=bkh_DefinedContributionPlanCompanyRetirementMember', window );">Defined Contribution Plan, Company Retirement</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount', window );">Defined Contribution Plan, Employer Discretionary Contribution Amount</a></td>
<td class="nump">11,332<span></span>
</td>
<td class="nump">10,455<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanNameAxis=bkh_DefinedContributionPlan401KMember', window );">Defined Contribution Plan, 401K</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount', window );">Defined Contribution Plan, Employer Discretionary Contribution Amount</a></td>
<td class="nump">$ 15,938<span></span>
</td>
<td class="nump">$ 15,240<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
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<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanDisclosureLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 18<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4587-114921<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of discretionary contributions made by an employer to a defined contribution plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherPostretirementBenefitsPayments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow for other postretirement benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes pension benefit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3536-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherPostretirementBenefitsPayments</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PensionContributions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3536-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PensionContributions</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
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</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanNameAxis=bkh_DefinedContributionPlanCompanyRetirementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanNameAxis=bkh_DefinedContributionPlanCompanyRetirementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanNameAxis=bkh_DefinedContributionPlan401KMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanNameAxis=bkh_DefinedContributionPlan401KMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>114
<FILENAME>R98.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333930409288">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Employee Benefit Plans: Fair Value Measurements (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentTypeAxis=us-gaap_HedgeFundsMultistrategyMember', window );">Hedge Funds | Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvestmentRedemptionNoticePeriod1', window );">Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Investment Redemption, Notice Period</a></td>
<td class="text">15 days<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentTypeAxis=us-gaap_HedgeFundsMultistrategyMember', window );">Hedge Funds | Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvestmentRedemptionNoticePeriod1', window );">Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Investment Redemption, Notice Period</a></td>
<td class="text">60 days<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember', window );">Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">$ 458,387<span></span>
</td>
<td class="nump">$ 473,721<span></span>
</td>
<td class="nump">$ 434,284<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">458,387<span></span>
</td>
<td class="nump">473,721<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueinvestments', window );">Defined Benefit Plan, Fair Value of Plan Assets, Excluding Net Asset Value investments</a></td>
<td class="nump">415,490<span></span>
</td>
<td class="nump">441,966<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets', window );">Defined Benefit Plan, Alternative Investments, Fair Value Of Plan Assets</a></td>
<td class="nump">42,897<span></span>
</td>
<td class="nump">31,755<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair Value, Measurements, Recurring | Postretirement Health Coverage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">7,972<span></span>
</td>
<td class="nump">8,165<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueinvestments', window );">Defined Benefit Plan, Fair Value of Plan Assets, Excluding Net Asset Value investments</a></td>
<td class="nump">7,972<span></span>
</td>
<td class="nump">8,165<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member', window );">Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring | Postretirement Health Coverage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">7,972<span></span>
</td>
<td class="nump">8,165<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member', window );">Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">415,490<span></span>
</td>
<td class="nump">441,966<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member', window );">Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Postretirement Health Coverage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member', window );">Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member', window );">Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Postretirement Health Coverage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_CommonCollectiveTrustCashAndCashEquivalentsMember', window );">Common Collective Trust, Cash And Cash Equivalents | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">6,009<span></span>
</td>
<td class="nump">16,810<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueinvestments', window );">Defined Benefit Plan, Fair Value of Plan Assets, Excluding Net Asset Value investments</a></td>
<td class="nump">6,009<span></span>
</td>
<td class="nump">16,810<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets', window );">Defined Benefit Plan, Alternative Investments, Fair Value Of Plan Assets</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_CommonCollectiveTrustCashAndCashEquivalentsMember', window );">Common Collective Trust, Cash And Cash Equivalents | Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_CommonCollectiveTrustCashAndCashEquivalentsMember', window );">Common Collective Trust, Cash And Cash Equivalents | Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">6,009<span></span>
</td>
<td class="nump">16,810<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_CommonCollectiveTrustCashAndCashEquivalentsMember', window );">Common Collective Trust, Cash And Cash Equivalents | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_CommonCollectiveTrustEquityFundMember', window );">Common Collective Trust, Equity Fund | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">70,262<span></span>
</td>
<td class="nump">100,311<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueinvestments', window );">Defined Benefit Plan, Fair Value of Plan Assets, Excluding Net Asset Value investments</a></td>
<td class="nump">70,262<span></span>
</td>
<td class="nump">100,311<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets', window );">Defined Benefit Plan, Alternative Investments, Fair Value Of Plan Assets</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_CommonCollectiveTrustEquityFundMember', window );">Common Collective Trust, Equity Fund | Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_CommonCollectiveTrustEquityFundMember', window );">Common Collective Trust, Equity Fund | Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">70,262<span></span>
</td>
<td class="nump">100,311<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_CommonCollectiveTrustEquityFundMember', window );">Common Collective Trust, Equity Fund | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_CommonCollectiveTrustFixedIncomeFundMember', window );">Common Collective Trust, Fixed Income Fund | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">339,219<span></span>
</td>
<td class="nump">324,845<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueinvestments', window );">Defined Benefit Plan, Fair Value of Plan Assets, Excluding Net Asset Value investments</a></td>
<td class="nump">339,219<span></span>
</td>
<td class="nump">324,845<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets', window );">Defined Benefit Plan, Alternative Investments, Fair Value Of Plan Assets</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_CommonCollectiveTrustFixedIncomeFundMember', window );">Common Collective Trust, Fixed Income Fund | Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_CommonCollectiveTrustFixedIncomeFundMember', window );">Common Collective Trust, Fixed Income Fund | Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">339,219<span></span>
</td>
<td class="nump">324,845<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_CommonCollectiveTrustFixedIncomeFundMember', window );">Common Collective Trust, Fixed Income Fund | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_RealEstateFundsMember', window );">Real Estate Funds | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">30,407<span></span>
</td>
<td class="nump">14,301<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueinvestments', window );">Defined Benefit Plan, Fair Value of Plan Assets, Excluding Net Asset Value investments</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets', window );">Defined Benefit Plan, Alternative Investments, Fair Value Of Plan Assets</a></td>
<td class="nump">30,407<span></span>
</td>
<td class="nump">14,301<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_RealEstateFundsMember', window );">Real Estate Funds | Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_RealEstateFundsMember', window );">Real Estate Funds | Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_RealEstateFundsMember', window );">Real Estate Funds | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_HedgeFundsMultistrategyMember', window );">Hedge Funds | Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_PercentageOfMonthlyRedemption', window );">Percentage Of Monthly Redemption</a></td>
<td class="nump">10.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_HedgeFundsMultistrategyMember', window );">Hedge Funds | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">$ 12,490<span></span>
</td>
<td class="nump">17,454<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueinvestments', window );">Defined Benefit Plan, Fair Value of Plan Assets, Excluding Net Asset Value investments</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets', window );">Defined Benefit Plan, Alternative Investments, Fair Value Of Plan Assets</a></td>
<td class="nump">12,490<span></span>
</td>
<td class="nump">17,454<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_HedgeFundsMultistrategyMember', window );">Hedge Funds | Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_HedgeFundsMultistrategyMember', window );">Hedge Funds | Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_HedgeFundsMultistrategyMember', window );">Hedge Funds | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember', window );">Cash | Fair Value, Measurements, Recurring | Postretirement Health Coverage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">7,972<span></span>
</td>
<td class="nump">8,165<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueinvestments', window );">Defined Benefit Plan, Fair Value of Plan Assets, Excluding Net Asset Value investments</a></td>
<td class="nump">7,972<span></span>
</td>
<td class="nump">8,165<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember', window );">Cash | Fair Value, Inputs, Level 1 | Fair Value, Measurements, Recurring | Postretirement Health Coverage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">7,972<span></span>
</td>
<td class="nump">8,165<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember', window );">Cash | Fair Value, Inputs, Level 2 | Fair Value, Measurements, Recurring | Postretirement Health Coverage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember', window );">Cash | Fair Value, Inputs, Level 3 | Fair Value, Measurements, Recurring | Postretirement Health Coverage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Defined Benefit Plan, Plan Assets, Amount</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Defined Benefit Plan, Alternative Investments, Fair Value Of Plan Assets</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_DefinedBenefitPlanAlternativeInvestmentsFairValueOfPlanAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueinvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Defined Benefit Plan, Fair Value of Plan Assets, Excluding Net Asset Value investments</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_DefinedBenefitPlanFairValueofPlanAssetsExcludingNetAssetValueinvestments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_PercentageOfMonthlyRedemption">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of shares that may be redeemed at the end of each month.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_PercentageOfMonthlyRedemption</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(iv)(01)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(iv)(01)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4179-114921<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(iv)(02)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 7: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanFairValueOfPlanAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvestmentRedemptionNoticePeriod1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Notice period the entity is required to deliver before it can redeem an investment calculated using net asset value per share, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but is not limited to, investments calculated by per unit, per membership interest, other equity or ownership interest and alternative investments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6A<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123874694&amp;loc=SL6742756-110258<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareInvestmentRedemptionNoticePeriod1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InvestmentTypeAxis=us-gaap_HedgeFundsMultistrategyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentTypeAxis=us-gaap_HedgeFundsMultistrategyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MinimumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MinimumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_DefinedBenefitPostretirementHealthCoverageMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_DefinedBenefitPostretirementHealthCoverageMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_CommonCollectiveTrustCashAndCashEquivalentsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_CommonCollectiveTrustCashAndCashEquivalentsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_CommonCollectiveTrustEquityFundMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_CommonCollectiveTrustEquityFundMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_CommonCollectiveTrustFixedIncomeFundMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=bkh_CommonCollectiveTrustFixedIncomeFundMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_RealEstateFundsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_RealEstateFundsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_HedgeFundsMultistrategyMember">
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_HedgeFundsMultistrategyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember">
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
</div></td></tr>
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</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>115
<FILENAME>R99.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333929475448">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Employee Benefit Plans: Employee Benefit Plan Obligations (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember', window );">Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward', window );"><strong>Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligation', window );">Projected benefit obligation at beginning of year</a></td>
<td class="nump">$ 514,008<span></span>
</td>
<td class="nump">$ 485,376<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanServiceCost', window );">Service Cost</a></td>
<td class="nump">5,038<span></span>
</td>
<td class="nump">5,411<span></span>
</td>
<td class="nump">$ 5,383<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanInterestCost', window );">Interest cost</a></td>
<td class="nump">9,313<span></span>
</td>
<td class="nump">13,426<span></span>
</td>
<td class="nump">17,374<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanActuarialGainLoss', window );">Actuarial (gain) loss</a></td>
<td class="num">(14,037)<span></span>
</td>
<td class="nump">47,064<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAmendments', window );">Amendments</a></td>
<td class="num">(561)<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid', window );">Benefits paid</a></td>
<td class="num">(35,499)<span></span>
</td>
<td class="num">(37,269)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant', window );">Plan participants&#8217; contributions</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligation', window );">Projected benefit obligation at end of year</a></td>
<td class="nump">478,262<span></span>
</td>
<td class="nump">514,008<span></span>
</td>
<td class="nump">485,376<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember', window );">Supplemental Employee Retirement Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward', window );"><strong>Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligation', window );">Projected benefit obligation at beginning of year</a></td>
<td class="nump">55,054<span></span>
</td>
<td class="nump">54,088<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanServiceCost', window );">Service Cost</a></td>
<td class="nump">3,149<span></span>
</td>
<td class="nump">1,579<span></span>
</td>
<td class="nump">4,995<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanInterestCost', window );">Interest cost</a></td>
<td class="nump">706<span></span>
</td>
<td class="nump">1,099<span></span>
</td>
<td class="nump">1,295<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanActuarialGainLoss', window );">Actuarial (gain) loss</a></td>
<td class="num">(1,073)<span></span>
</td>
<td class="nump">962<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAmendments', window );">Amendments</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid', window );">Benefits paid</a></td>
<td class="num">(2,576)<span></span>
</td>
<td class="num">(2,674)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant', window );">Plan participants&#8217; contributions</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligation', window );">Projected benefit obligation at end of year</a></td>
<td class="nump">55,260<span></span>
</td>
<td class="nump">55,054<span></span>
</td>
<td class="nump">54,088<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember', window );">Supplemental Employee Retirement Plan | Error Correction, Other</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward', window );"><strong>Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanServiceCost', window );">Service Cost</a></td>
<td class="nump">1,400<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Other Postretirement Benefits Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward', window );"><strong>Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligation', window );">Projected benefit obligation at beginning of year</a></td>
<td class="nump">70,238<span></span>
</td>
<td class="nump">65,277<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanServiceCost', window );">Service Cost</a></td>
<td class="nump">2,237<span></span>
</td>
<td class="nump">2,056<span></span>
</td>
<td class="nump">1,815<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanInterestCost', window );">Interest cost</a></td>
<td class="nump">1,058<span></span>
</td>
<td class="nump">1,649<span></span>
</td>
<td class="nump">2,247<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanActuarialGainLoss', window );">Actuarial (gain) loss</a></td>
<td class="num">(5,165)<span></span>
</td>
<td class="nump">5,804<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAmendments', window );">Amendments</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid', window );">Benefits paid</a></td>
<td class="num">(6,432)<span></span>
</td>
<td class="num">(6,058)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant', window );">Plan participants&#8217; contributions</a></td>
<td class="nump">1,548<span></span>
</td>
<td class="nump">1,510<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligation', window );">Projected benefit obligation at end of year</a></td>
<td class="nump">$ 63,484<span></span>
</td>
<td class="nump">$ 70,238<span></span>
</td>
<td class="nump">$ 65,277<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanActuarialGainLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanActuarialGainLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanBenefitObligation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanBenefitObligation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(6)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 60<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=6414203&amp;loc=d3e39716-114964<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of contributions received by defined benefit plan from participant which increase benefit obligation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanInterestCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cost recognized for passage of time related to defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123453770&amp;loc=SL108413299-114919<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4179-114921<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 18<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4587-114921<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e2709-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanInterestCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanPlanAmendments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in benefit obligation of defined benefit plan from change in terms of existing plan or initiation of new plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(7)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanPlanAmendments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanServiceCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4179-114921<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e2709-114920<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 5: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 18<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4587-114921<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanServiceCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis=us-gaap_ErrorCorrectionOtherMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ErrorCorrectionsAndPriorPeriodAdjustmentsRestatementByRestatementPeriodAndAmountAxis=us-gaap_ErrorCorrectionOtherMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333939593112">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Employee Benefit Plans: Fair Value Employee Benefit Plan Assets (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
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<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember', window );">Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<tr class="re">
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<td class="nump">$ 473,721<span></span>
</td>
<td class="nump">$ 434,284<span></span>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets', window );">Investment income (loss)</a></td>
<td class="nump">20,165<span></span>
</td>
<td class="nump">64,006<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanContributionsByEmployer', window );">Employer contributions</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">12,700<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant', window );">Retiree contributions</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid', window );">Defined Benefit Plan, Plan Assets, Benefits Paid</a></td>
<td class="num">(35,499)<span></span>
</td>
<td class="num">(37,269)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Ending fair value of plan assets</a></td>
<td class="nump">458,387<span></span>
</td>
<td class="nump">473,721<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember', window );">Supplemental Employee Retirement Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Beginning fair value of plan assets</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets', window );">Investment income (loss)</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanContributionsByEmployer', window );">Employer contributions</a></td>
<td class="nump">2,576<span></span>
</td>
<td class="nump">2,674<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant', window );">Retiree contributions</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid', window );">Defined Benefit Plan, Plan Assets, Benefits Paid</a></td>
<td class="num">(2,576)<span></span>
</td>
<td class="num">(2,674)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Ending fair value of plan assets</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Other Postretirement Benefits Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Beginning fair value of plan assets</a></td>
<td class="nump">8,165<span></span>
</td>
<td class="nump">8,305<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets', window );">Investment income (loss)</a></td>
<td class="num">(35)<span></span>
</td>
<td class="nump">33<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanContributionsByEmployer', window );">Employer contributions</a></td>
<td class="nump">4,726<span></span>
</td>
<td class="nump">4,374<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant', window );">Retiree contributions</a></td>
<td class="nump">1,548<span></span>
</td>
<td class="nump">1,511<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid', window );">Defined Benefit Plan, Plan Assets, Benefits Paid</a></td>
<td class="num">(6,432)<span></span>
</td>
<td class="num">(6,058)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Ending fair value of plan assets</a></td>
<td class="nump">$ 7,972<span></span>
</td>
<td class="nump">$ 8,165<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4179-114921<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanContributionsByEmployer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of contribution received by defined benefit plan from employer which increases plan assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4179-114921<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(iv)(01)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e2709-114920<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 5: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 18<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4587-114921<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(iv)(01)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanContributionsByEmployer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanDisclosureLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(iv)(01)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(iv)(01)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4179-114921<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(iv)(02)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 7: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanFairValueOfPlanAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of payment to participant under defined benefit plan which decreases plan assets. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)(5)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 60<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=6414203&amp;loc=d3e39716-114964<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of contributions received by defined benefit plan from participant which increases plan assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333928431144">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Employee Benefit Plans: Amounts Recognized in the Consolidated Balance Sheets (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="nump">$ 796,599<span></span>
</td>
<td class="nump">$ 278,258<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent', window );">Benefit plan liabilities</a></td>
<td class="nump">123,925<span></span>
</td>
<td class="nump">150,556<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory liabilities</a></td>
<td class="nump">502,951<span></span>
</td>
<td class="nump">532,720<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember', window );">Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="nump">67,403<span></span>
</td>
<td class="nump">86,677<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities', window );">Current liabilities</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent', window );">Benefit plan liabilities</a></td>
<td class="nump">19,872<span></span>
</td>
<td class="nump">40,287<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory liabilities</a></td>
<td class="nump">3,830<span></span>
</td>
<td class="nump">3,607<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember', window );">Supplemental Employee Retirement Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities', window );">Current liabilities</a></td>
<td class="nump">2,156<span></span>
</td>
<td class="nump">1,927<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent', window );">Benefit plan liabilities</a></td>
<td class="nump">53,104<span></span>
</td>
<td class="nump">53,127<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory liabilities</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Other Postretirement Benefits Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets</a></td>
<td class="nump">11,660<span></span>
</td>
<td class="nump">16,102<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities', window );">Current liabilities</a></td>
<td class="nump">4,584<span></span>
</td>
<td class="nump">4,931<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent', window );">Benefit plan liabilities</a></td>
<td class="nump">50,949<span></span>
</td>
<td class="nump">57,142<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory liabilities</a></td>
<td class="nump">$ 2,447<span></span>
</td>
<td class="nump">$ 2,140<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanDisclosureLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=123453770&amp;loc=d3e1731-114919<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4179-114921<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(20))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123453770&amp;loc=d3e1703-114919<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123453770&amp;loc=d3e1703-114919<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=123453770&amp;loc=d3e1731-114919<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4179-114921<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(24))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 405<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6500807&amp;loc=d3e48068-110394<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>118
<FILENAME>R102.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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</head>
<body>
<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333930697128">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Employee Benefit Plans: Accumulated Benefit Obligations (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember', window );">Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation', window );">Defined Benefit Plan, Accumulated Benefit Obligation</a></td>
<td class="nump">$ 466,505<span></span>
</td>
<td class="nump">$ 498,815<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember', window );">Supplemental Employee Retirement Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation', window );">Defined Benefit Plan, Accumulated Benefit Obligation</a></td>
<td class="nump">55,260<span></span>
</td>
<td class="nump">54,779<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Other Postretirement Benefits Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation', window );">Defined Benefit Plan, Accumulated Benefit Obligation</a></td>
<td class="nump">$ 63,484<span></span>
</td>
<td class="nump">$ 70,238<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAccumulatedBenefitObligation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanDisclosureLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>119
<FILENAME>R103.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936762488">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Employee Benefit Plans: Components of Net Periodic Expense (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember', window );">Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanServiceCost', window );">Service Cost</a></td>
<td class="nump">$ 5,038<span></span>
</td>
<td class="nump">$ 5,411<span></span>
</td>
<td class="nump">$ 5,383<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanInterestCost', window );">Interest cost</a></td>
<td class="nump">9,313<span></span>
</td>
<td class="nump">13,426<span></span>
</td>
<td class="nump">17,374<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets', window );">Expected return on assets</a></td>
<td class="num">(20,876)<span></span>
</td>
<td class="num">(22,591)<span></span>
</td>
<td class="num">(24,401)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit', window );">Net amortization of prior service cost</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">26<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses', window );">Recognized net actuarial loss (gain)</a></td>
<td class="nump">7,315<span></span>
</td>
<td class="nump">8,372<span></span>
</td>
<td class="nump">3,763<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost', window );">Net periodic benefit expense</a></td>
<td class="nump">790<span></span>
</td>
<td class="nump">4,618<span></span>
</td>
<td class="nump">2,145<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember', window );">Supplemental Employee Retirement Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanServiceCost', window );">Service Cost</a></td>
<td class="nump">3,149<span></span>
</td>
<td class="nump">1,579<span></span>
</td>
<td class="nump">4,995<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanInterestCost', window );">Interest cost</a></td>
<td class="nump">706<span></span>
</td>
<td class="nump">1,099<span></span>
</td>
<td class="nump">1,295<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets', window );">Expected return on assets</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit', window );">Net amortization of prior service cost</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">2<span></span>
</td>
<td class="nump">2<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses', window );">Recognized net actuarial loss (gain)</a></td>
<td class="nump">1,754<span></span>
</td>
<td class="nump">1,702<span></span>
</td>
<td class="nump">535<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost', window );">Net periodic benefit expense</a></td>
<td class="nump">5,609<span></span>
</td>
<td class="nump">4,382<span></span>
</td>
<td class="nump">6,827<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember', window );">Supplemental Employee Retirement Plan | Error Correction, Other</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanServiceCost', window );">Service Cost</a></td>
<td class="nump">1,400<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Other Postretirement Benefits Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanServiceCost', window );">Service Cost</a></td>
<td class="nump">2,237<span></span>
</td>
<td class="nump">2,056<span></span>
</td>
<td class="nump">1,815<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanInterestCost', window );">Interest cost</a></td>
<td class="nump">1,058<span></span>
</td>
<td class="nump">1,649<span></span>
</td>
<td class="nump">2,247<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets', window );">Expected return on assets</a></td>
<td class="num">(136)<span></span>
</td>
<td class="num">(182)<span></span>
</td>
<td class="num">(230)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit', window );">Net amortization of prior service cost</a></td>
<td class="num">(434)<span></span>
</td>
<td class="num">(546)<span></span>
</td>
<td class="num">(398)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses', window );">Recognized net actuarial loss (gain)</a></td>
<td class="nump">466<span></span>
</td>
<td class="nump">20<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost', window );">Net periodic benefit expense</a></td>
<td class="nump">$ 3,191<span></span>
</td>
<td class="nump">$ 2,997<span></span>
</td>
<td class="nump">$ 3,434<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123453770&amp;loc=SL108413299-114919<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4179-114921<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 18<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4587-114921<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e2709-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4179-114921<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(5)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123453770&amp;loc=SL108413299-114919<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 18<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4587-114921<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(5)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e2709-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanDisclosureLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4179-114921<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 18<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4587-114921<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123453770&amp;loc=SL108413299-114919<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e2709-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanInterestCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cost recognized for passage of time related to defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123453770&amp;loc=SL108413299-114919<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4179-114921<br><br>Reference 4: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 18<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4587-114921<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e2709-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanInterestCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of net periodic benefit cost (credit) for defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e2709-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4179-114921<br><br>Reference 3: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 18<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4587-114921<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanServiceCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4179-114921<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e2709-114920<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 5: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 18<br> -URI http://asc.fasb.org/extlink&amp;oid=123450688&amp;loc=d3e4587-114921<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanServiceCost</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember</td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333930096088">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Employee Benefit Plans: AOCI Amounts (After-Tax) (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember', window );">Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax', window );">Net (gain) loss</a></td>
<td class="nump">$ 4,398<span></span>
</td>
<td class="nump">$ 5,511<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax', window );">Prior service cost (gain)</a></td>
<td class="num">(46)<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax', window );">Total amounts included in AOCI, after-tax not yet recognized as components of net periodic expense</a></td>
<td class="nump">4,352<span></span>
</td>
<td class="nump">5,511<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember', window );">Supplemental Employee Retirement Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax', window );">Net (gain) loss</a></td>
<td class="nump">7,159<span></span>
</td>
<td class="nump">9,323<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax', window );">Prior service cost (gain)</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax', window );">Total amounts included in AOCI, after-tax not yet recognized as components of net periodic expense</a></td>
<td class="nump">7,159<span></span>
</td>
<td class="nump">9,323<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Other Postretirement Benefits Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax', window );">Net (gain) loss</a></td>
<td class="num">(308)<span></span>
</td>
<td class="nump">100<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax', window );">Prior service cost (gain)</a></td>
<td class="num">(27)<span></span>
</td>
<td class="num">(144)<span></span>
</td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax', window );">Total amounts included in AOCI, after-tax not yet recognized as components of net periodic expense</a></td>
<td class="num">$ (335)<span></span>
</td>
<td class="num">$ (44)<span></span>
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<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (j)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14A<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669686-108580<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (i-k)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669646-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14A<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669686-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (j)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesAfterTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (j)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14A<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669686-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditAfterTax</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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</body>
</html>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>121
<FILENAME>R105.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936796072">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Employee Benefit Plans: Assumptions (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MinimumMember', window );">Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate', window );">Trend Year</a></td>
<td class="text">2030<span></span>
</td>
<td class="text">2027<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_RangeAxis=srt_MaximumMember', window );">Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate', window );">Trend Year</a></td>
<td class="text">2030<span></span>
</td>
<td class="text">2029<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_BlackHillsCorporationMember', window );">Black Hills Corporation | Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear', window );">Post-65 for next year - All Plans</a></td>
<td class="nump">6.05%<span></span>
</td>
<td class="nump">6.10%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_BlackHillsCorporationMember', window );">Black Hills Corporation | Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear', window );">Post-65 for next year - All Plans</a></td>
<td class="nump">5.10%<span></span>
</td>
<td class="nump">4.92%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_BlackHillsServiceCompanyMember', window );">Black Hills Service Company | Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1', window );">Post-65 Ultimate trend rate - Black Hills Corp</a></td>
<td class="nump">4.50%<span></span>
</td>
<td class="nump">4.50%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=bkh_BlackHillsServiceCompanyMember', window );">Black Hills Service Company | Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1', window );">Post-65 Ultimate trend rate - Black Hills Corp</a></td>
<td class="nump">4.50%<span></span>
</td>
<td class="nump">4.50%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember', window );">Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate', window );">Discount rate</a></td>
<td class="nump">2.88%<span></span>
</td>
<td class="nump">2.56%<span></span>
</td>
<td class="nump">3.27%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease', window );">Rate of increase in compensation levels</a></td>
<td class="nump">3.08%<span></span>
</td>
<td class="nump">3.34%<span></span>
</td>
<td class="nump">3.49%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets', window );">Expected long-term rate of return on assets</a></td>
<td class="nump">4.50%<span></span>
</td>
<td class="nump">5.25%<span></span>
</td>
<td class="nump">6.00%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease', window );">Rate of increase in compensation levels</a></td>
<td class="nump">3.34%<span></span>
</td>
<td class="nump">3.49%<span></span>
</td>
<td class="nump">3.52%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DefinedBenefitPlanAssumptionsUsedInCalculatingNetPeriodicBenefitCostExpectedRateofReturnOnAssetsForNextFiscalYear', window );">Defined Benefit Plan Assumptions Used In Calculating Net Periodic Benefit Cost Expected Rate of Return On Assets For Next Fiscal Year</a></td>
<td class="nump">4.25%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths', window );">2022</a></td>
<td class="nump">$ 26,249<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo', window );">2023</a></td>
<td class="nump">27,133<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree', window );">2024</a></td>
<td class="nump">27,683<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour', window );">2025</a></td>
<td class="nump">28,650<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive', window );">2026</a></td>
<td class="nump">28,968<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter', window );">2027-2031</a></td>
<td class="nump">$ 144,422<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember', window );">Pension Plan | Black Hills Corporation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate', window );">Discount Rate</a></td>
<td class="nump">2.56%<span></span>
</td>
<td class="nump">3.27%<span></span>
</td>
<td class="nump">4.40%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember', window );">Pension Plan | Black Hills Corporation Pension Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear', window );">Post-65 for next year - All Plans</a></td>
<td class="nump">2.88%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember', window );">Supplemental Employee Retirement Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate', window );">Discount rate</a></td>
<td class="nump">2.77%<span></span>
</td>
<td class="nump">2.41%<span></span>
</td>
<td class="nump">3.14%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease', window );">Rate of increase in compensation levels</a></td>
<td class="nump">5.00%<span></span>
</td>
<td class="nump">5.00%<span></span>
</td>
<td class="nump">5.00%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease', window );">Rate of increase in compensation levels</a></td>
<td class="nump">5.00%<span></span>
</td>
<td class="nump">5.00%<span></span>
</td>
<td class="nump">5.00%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths', window );">2022</a></td>
<td class="nump">$ 2,156<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo', window );">2023</a></td>
<td class="nump">2,224<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree', window );">2024</a></td>
<td class="nump">2,410<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour', window );">2025</a></td>
<td class="nump">2,757<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive', window );">2026</a></td>
<td class="nump">2,782<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter', window );">2027-2031</a></td>
<td class="nump">$ 12,553<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember', window );">Supplemental Employee Retirement Plan | Black Hills Corporation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate', window );">Discount Rate</a></td>
<td class="nump">2.41%<span></span>
</td>
<td class="nump">3.14%<span></span>
</td>
<td class="nump">4.34%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Other Postretirement Benefits Plan</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate', window );">Discount rate</a></td>
<td class="nump">2.79%<span></span>
</td>
<td class="nump">2.41%<span></span>
</td>
<td class="nump">3.15%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets', window );">Expected long-term rate of return on assets</a></td>
<td class="nump">1.80%<span></span>
</td>
<td class="nump">2.35%<span></span>
</td>
<td class="nump">3.00%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths', window );">2022</a></td>
<td class="nump">$ 5,806<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo', window );">2023</a></td>
<td class="nump">5,334<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree', window );">2024</a></td>
<td class="nump">5,042<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour', window );">2025</a></td>
<td class="nump">4,865<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive', window );">2026</a></td>
<td class="nump">4,752<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter', window );">2027-2031</a></td>
<td class="nump">$ 21,615<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Other Postretirement Benefits Plan | Black Hills Corporation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate', window );">Discount Rate</a></td>
<td class="nump">2.41%<span></span>
</td>
<td class="nump">3.15%<span></span>
</td>
<td class="nump">4.28%<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_DefinedBenefitPlanAssumptionsUsedInCalculatingNetPeriodicBenefitCostExpectedRateofReturnOnAssetsForNextFiscalYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>An assumption for the next fiscal year as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_DefinedBenefitPlanAssumptionsUsedInCalculatingNetPeriodicBenefitCostExpectedRateofReturnOnAssetsForNextFiscalYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e2919-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanDisclosureLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefit for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following current fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefit for defined benefit plan expected to be paid in fifth fiscal year following current fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefit for defined benefit plan expected to be paid in fourth fiscal year following current fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefit for defined benefit plan expected to be paid in third fiscal year following current fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefit for defined benefit plan expected to be paid in second fiscal year following current fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Assumed rate, for next fiscal year, based on annual change in cost of health care cost benefits used to measure expected cost of benefits covered by defined benefit postretirement plan. Factors include, but are not limited to, estimate of health care inflation, change in health care utilization or delivery pattern, technological advances, and change in health status of participant. Excludes factors for change in composition of plan population by age and dependency status.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (l)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Ultimate trend rate for health care cost for defined benefit postretirement plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (l)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Year ultimate health care cost trend rate is expected to be reached, in YYYY format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (l)<br> -URI http://asc.fasb.org/extlink&amp;oid=123447040&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:gYearListItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MinimumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MinimumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_BlackHillsCorporationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_BlackHillsCorporationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_BlackHillsServiceCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_BlackHillsServiceCompanyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=bkh_BlackHillsRetirementPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=bkh_BlackHillsRetirementPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>122
<FILENAME>R106.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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</head>
<body>
<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333930118104">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Share-based Compensation Plans: Compensation Related Costs, Share Based Payments (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract', window );"><strong>Share-based Payment Arrangement [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant', window );">Shares available for grant</a></td>
<td class="nump">416,325<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized', window );">Unrecognized compensation expense</a></td>
<td class="nump">$ 14,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1', window );">Weighted-average recognition period</a></td>
<td class="text">2 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensation', window );">Stock compensation</a></td>
<td class="nump">$ 9,655<span></span>
</td>
<td class="nump">$ 5,373<span></span>
</td>
<td class="nump">$ 12,095<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cost not yet recognized for nonvested award under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of noncash expense for share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>123
<FILENAME>R107.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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</head>
<body>
<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333930731144">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Share-based Compensation Plans: Restricted Stock (Details) - USD ($)<br> $ / shares in Units, shares in Thousands, $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue', window );">Restricted Stock and RSUs, total fair value of shares vested</a></td>
<td class="nump">$ 3,294<span></span>
</td>
<td class="nump">$ 2,199<span></span>
</td>
<td class="nump">$ 5,720<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized', window );">Unrecognized compensation expense</a></td>
<td class="nump">$ 14,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1', window );">Weighted-average recognition period</a></td>
<td class="text">2 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember', window );">Restricted Stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1', window );">Award vesting period</a></td>
<td class="text">3 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber', window );">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number</a></td>
<td class="nump">219<span></span>
</td>
<td class="nump">196<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue', window );">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value</a></td>
<td class="nump">$ 67.64<span></span>
</td>
<td class="nump">$ 69.05<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod', window );">Performance Shares, Granted in Period</a></td>
<td class="nump">118<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue', window );">Granted (usd per share)</a></td>
<td class="nump">$ 65.64<span></span>
</td>
<td class="nump">$ 69.49<span></span>
</td>
<td class="nump">$ 73.66<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod', window );">Shares Vested</a></td>
<td class="num">(83)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue', window );">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value</a></td>
<td class="nump">$ 67.85<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod', window );">Shares Forfeited</a></td>
<td class="num">(12)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue', window );">Forfeited (usd per share)</a></td>
<td class="nump">$ 69.59<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue', window );">Restricted Stock and RSUs, total fair value of shares vested</a></td>
<td class="nump">$ 5,400<span></span>
</td>
<td class="nump">$ 6,722<span></span>
</td>
<td class="nump">$ 8,438<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized', window );">Unrecognized compensation expense</a></td>
<td class="nump">$ 11,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1', window );">Weighted-average recognition period</a></td>
<td class="text">2 years 2 months 12 days<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cost not yet recognized for nonvested award under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iv)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(i)-(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(i)-(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (d)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936496888">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Share Based Compensation Plans: Performance Share Plan (Details)<br> $ / shares in Units, shares in Thousands, $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($) </div>
<div>$ / shares </div>
<div>shares</div>
</th>
<th class="th">
<div>Dec. 31, 2020 </div>
<div>USD ($) </div>
<div>$ / shares </div>
<div>shares</div>
</th>
<th class="th">
<div>Dec. 31, 2019 </div>
<div>USD ($) </div>
<div>$ / shares </div>
<div>shares</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutSharesPercentage', window );">Performance Share Award Payout, Shares of Common Stock Percentage</a></td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized', window );">Unrecognized compensation expense | $</a></td>
<td class="nump">$ 14,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued', window );">Stock Issued During Period, Shares, Treasury Stock Reissued</a></td>
<td class="nump">28<span></span>
</td>
<td class="nump">14<span></span>
</td>
<td class="nump">44<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsShareBasedLiabilitiesPaid', window );">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Share-based Liabilities Paid | $</a></td>
<td class="nump">$ 1,647<span></span>
</td>
<td class="nump">$ 1,100<span></span>
</td>
<td class="nump">$ 2,860<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue', window );">Restricted Stock and RSUs, total fair value of shares vested | $</a></td>
<td class="nump">$ 3,294<span></span>
</td>
<td class="nump">$ 2,199<span></span>
</td>
<td class="nump">$ 5,720<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_SharebasedCompensationArrangementbyShareBasedPaymentAwardPerformanceGoalPercentileofPeerGroupPerformance', window );">Performance Goal - Percentile of Peer Group Performance</a></td>
<td class="nump">3000.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember', window );">Performance Shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutCashPercentage', window );">Performance Share Award Payout, Cash Percentage</a></td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutSharesPercentage', window );">Performance Share Award Payout, Shares of Common Stock Percentage</a></td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_Thepercentagepaidincashfortheaccruedequityportionoftheperformanceshareplanuponchangeincontrol', window );">The percentage paid in cash for the accrued equity portion of the performance share plan upon change in control</a></td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized', window );">Unrecognized compensation expense | $</a></td>
<td class="nump">$ 2,100<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized', window );">Performance Shares, Number of Shares Authorized</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">36<span></span>
</td>
<td class="nump">36<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_SharebasedCompensationArrangementbySharebasedPaymentAwardPayoutPercentageofTarget', window );">Performance Share Award, Percentage of Target</a></td>
<td class="nump">40.17%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_WeightedAverageGrantDateofFairValueShareBasedCompensationArrangement', window );">Weighted Average Grant Date Fair Value (usd per share) | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 81.42<span></span>
</td>
<td class="nump">$ 68.72<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate', window );">Blended volatility</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">18.00%<span></span>
</td>
<td class="nump">21.00%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateComprisedPercentOfHistoricVolatility', window );">Volatility Rate - Historic</a></td>
<td class="nump">0.50<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateComprisedPercentOfImpliedVolatility', window );">Volatility Rate - Implied</a></td>
<td class="nump">0.50<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum', window );">Volatility range for the peer group, Maximum</a></td>
<td class="nump">76.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_EmployeeServiceShareBasedCompensationOtherThanOptionsTotalPayoutValue', window );">Target shares, value | $</a></td>
<td class="nump">$ 1,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember', window );">Performance Shares | Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_SharebasedCompensationArrangementbySharebasedPaymentAwardPayoutPercentageofTarget', window );">Performance Share Award, Percentage of Target</a></td>
<td class="nump">0.00%<span></span>
</td>
<td class="nump">0.00%<span></span>
</td>
<td class="nump">0.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember', window );">Performance Shares | Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_SharebasedCompensationArrangementbySharebasedPaymentAwardPayoutPercentageofTarget', window );">Performance Share Award, Percentage of Target</a></td>
<td class="nump">200.00%<span></span>
</td>
<td class="nump">200.00%<span></span>
</td>
<td class="nump">200.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=bkh_PerformanceSharesEquityAwardsMember', window );">Performance Shares, Equity Awards</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized', window );">Performance Shares, Number of Shares Authorized</a></td>
<td class="nump">36<span></span>
</td>
<td class="nump">61<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue', window );">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value | $ / shares</a></td>
<td class="nump">$ 68.14<span></span>
</td>
<td class="nump">$ 69.71<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod', window );">Performance Shares, Granted in Period</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_WeightedAverageGrantDateofFairValueShareBasedCompensationArrangement', window );">Weighted Average Grant Date Fair Value (usd per share) | $ / shares</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod', window );">Shares Forfeited</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue', window );">Forfeited (usd per share) | $ / shares</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod', window );">Shares Vested</a></td>
<td class="num">(25)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue', window );">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value | $ / shares</a></td>
<td class="nump">$ 61.82<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=bkh_PerformanceSharesLiabilityAwardsMember', window );">Performance Shares, Liability Awards</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized', window );">Performance Shares, Number of Shares Authorized</a></td>
<td class="nump">36<span></span>
</td>
<td class="nump">61<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue', window );">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value | $ / shares</a></td>
<td class="nump">$ 31.51<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod', window );">Performance Shares, Granted in Period</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod', window );">Shares Forfeited</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod', window );">Shares Vested</a></td>
<td class="num">(25)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_EmployeeServiceShareBasedCompensationOtherThanOptionsTotalPayoutValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of the total payout for an employee service share-based compensation award for other than options that has been accrued at the Balance Sheet date. The total value includes the stock price, dividends and the percentage payout value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_EmployeeServiceShareBasedCompensationOtherThanOptionsTotalPayoutValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateComprisedPercentOfHistoricVolatility">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate (comprised percent of historic volatility)</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateComprisedPercentOfHistoricVolatility</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:pureItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateComprisedPercentOfImpliedVolatility">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate (comprised percent of implied volatility)</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateComprisedPercentOfImpliedVolatility</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:pureItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutCashPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of performance based compensation to be paid out in cash.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutCashPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutSharesPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Payout percentage for share based compensation to be issued in shares of common stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutSharesPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_SharebasedCompensationArrangementbyShareBasedPaymentAwardPerformanceGoalPercentileofPeerGroupPerformance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share-based Compensation Arrangement by Share Based Payment Award, Performance Goal - The Company's Total Shareholder Return for the Prescribed Period as a Percentile of Peer Group Performance</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_SharebasedCompensationArrangementbyShareBasedPaymentAwardPerformanceGoalPercentileofPeerGroupPerformance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_SharebasedCompensationArrangementbySharebasedPaymentAwardPayoutPercentageofTarget">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The percentage target for payout of equity compensation awards</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_SharebasedCompensationArrangementbySharebasedPaymentAwardPayoutPercentageofTarget</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_Thepercentagepaidincashfortheaccruedequityportionoftheperformanceshareplanuponchangeincontrol">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The percentage paid in cash for the accrued equity portion of the performance share plan upon change in control</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_Thepercentagepaidincashfortheaccruedequityportionoftheperformanceshareplanuponchangeincontrol</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_WeightedAverageGrantDateofFairValueShareBasedCompensationArrangement">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average fair value at grant date for non-vested equity-based awards issued during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_WeightedAverageGrantDateofFairValueShareBasedCompensationArrangement</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cost not yet recognized for nonvested award under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iv)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(i)-(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsShareBasedLiabilitiesPaid">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash paid to settle liability for award under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (d)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsShareBasedLiabilitiesPaid</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (d)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Rate of weighted-average expected volatility for award under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (f)(2)(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of shares authorized for issuance under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123467817&amp;loc=d3e21463-112644<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Name:</strong></td>
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=bkh_PerformanceSharesEquityAwardsMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=bkh_PerformanceSharesLiabilityAwardsMember</td>
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<head>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333939536872">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Share-based Compensation Plans: Performance Plan Share Units (Details)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutSharesPercentage', window );">Performance Share Award Payout, Shares of Common Stock Percentage</a></td>
<td class="nump">100.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember', window );">Performance Shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutSharesPercentage', window );">Performance Share Award Payout, Shares of Common Stock Percentage</a></td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_SharebasedCompensationArrangementbySharebasedPaymentAwardPayoutPercentageofTarget', window );">Performance Share Award, Percentage of Target</a></td>
<td class="nump">40.17%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1', window );">Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period</a></td>
<td class="text">3 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1', window );">Award vesting period</a></td>
<td class="text">3 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember', window );">Performance Shares | Minimum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_SharebasedCompensationArrangementbySharebasedPaymentAwardPayoutPercentageofTarget', window );">Performance Share Award, Percentage of Target</a></td>
<td class="nump">0.00%<span></span>
</td>
<td class="nump">0.00%<span></span>
</td>
<td class="nump">0.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember', window );">Performance Shares | Maximum</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_SharebasedCompensationArrangementbySharebasedPaymentAwardPayoutPercentageofTarget', window );">Performance Share Award, Percentage of Target</a></td>
<td class="nump">200.00%<span></span>
</td>
<td class="nump">200.00%<span></span>
</td>
<td class="nump">200.00%<span></span>
</td>
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<div style="display: none;">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Payout percentage for share based compensation to be issued in shares of common stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardPayoutSharesPercentage</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>dtr-types:percentItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The percentage target for payout of equity compensation awards</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_SharebasedCompensationArrangementbySharebasedPaymentAwardPayoutPercentageofTarget</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>126
<FILENAME>R110.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
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<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333939630616">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Share-based Compensation Plans: Performance Share Units-Market Condition (Details)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th">
<div>Dec. 31, 2021 </div>
<div>$ / shares</div>
</th></tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=bkh_PerformanceShareUnitsMarketConditionMember', window );">Performance Share Units - Market Condition</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriodUsedToEstimateExpectedSharePayout', window );">Share Based Compensation Arrangement By Share Based Payment Award - Performance Period Used to Estimate Expected Share Payout</a></td>
<td class="text">3 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember', window );">Performance Shares</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue', window );">Granted (usd per share)</a></td>
<td class="nump">$ 64.97<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate', window );">Three-year risk-free rate</a></td>
<td class="nump">0.17%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate', window );">Black Hills Corporation&#8217;s common stock volatility</a></td>
<td class="nump">33.00%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum', window );">Volatility range for peer group, Minimum</a></td>
<td class="nump">25.00%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum', window );">Volatility range for the peer group, Maximum</a></td>
<td class="nump">76.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember', window );">Performance Shares | Performance Share Units - Market Condition</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue', window );">Granted (usd per share)</a></td>
<td class="nump">$ 64.97<span></span>
</td>
</tr>
</table>
<div style="display: none;">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share Based Compensation Arrangement By Share Based Payment Award - Performance Period Used to Estimate Expected Share Payout</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriodUsedToEstimateExpectedSharePayout</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue</td>
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<td>dtr-types:perShareItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (f)(2)(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The risk-free interest rate assumption that is used in valuing an option on its own shares.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (f)(2)(iv)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems</td>
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<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PlanNameAxis=bkh_PerformanceShareUnitsMarketConditionMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember</td>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>127
<FILENAME>R111.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333930066584">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Share-based Compensation Performance Condition (Details) - USD ($)<br> $ / shares in Units, $ in Millions</strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1', window );">Weighted-average recognition period</a></td>
<td class="text">2 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=bkh_PerformanceShareUnitsMarketConditionMember', window );">Performance Share Units - Market Condition</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriodUsedToEstimateExpectedSharePayout', window );">Share Based Compensation Arrangement By Share Based Payment Award - Performance Period Used to Estimate Expected Share Payout</a></td>
<td class="text">3 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PlanNameAxis=bkh_PerformanceShareUnitsPerformanceConditionMember', window );">Performance Share Units - Performance Condition</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriodUsedToEstimateExpectedSharePayout', window );">Share Based Compensation Arrangement By Share Based Payment Award - Performance Period Used to Estimate Expected Share Payout</a></td>
<td class="text">3 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember', window );">Performance Shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue', window );">Granted (usd per share)</a></td>
<td class="nump">$ 64.97<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions', window );">Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount</a></td>
<td class="nump">$ 2.9<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1', window );">Weighted-average recognition period</a></td>
<td class="text">1 year 9 months 18 days<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember', window );">Performance Shares | Performance Share Units - Market Condition</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber', window );">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number</a></td>
<td class="nump">32,903<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue', window );">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value</a></td>
<td class="nump">$ 64.97<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod', window );">Performance Shares, Granted in Period</a></td>
<td class="nump">32,903<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue', window );">Granted (usd per share)</a></td>
<td class="nump">$ 64.97<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember', window );">Performance Shares | Performance Share Units - Performance Condition</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based Compensation Arrangement by Share-based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber', window );">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number</a></td>
<td class="nump">21,948<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue', window );">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value</a></td>
<td class="nump">$ 61.45<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod', window );">Performance Shares, Granted in Period</a></td>
<td class="nump">21,948<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue', window );">Granted (usd per share)</a></td>
<td class="nump">$ 61.45<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriodUsedToEstimateExpectedSharePayout">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Share Based Compensation Arrangement By Share Based Payment Award - Performance Period Used to Estimate Expected Share Payout</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriodUsedToEstimateExpectedSharePayout</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(i)-(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(i)-(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=120381028&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PlanNameAxis=bkh_PerformanceShareUnitsMarketConditionMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PlanNameAxis=bkh_PerformanceShareUnitsPerformanceConditionMember</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember</td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<DOCUMENT>
<TYPE>XML
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<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333939711208">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Income Taxes: Winter Storm Uri (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxLiabilitiesNet', window );">Deferred income tax liabilities, net</a></td>
<td class="nump">$ 465,388<span></span>
</td>
<td class="nump">$ 408,624<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_InternalRevenueServiceIRSMember', window );">Internal Revenue Service (IRS)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_OperatingLossCarryforwardsWithNoExpirationDate', window );">Operating Loss Carryforwards, With no Expiration Date</a></td>
<td class="nump">607,465<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwards', window );">Operating Loss Carryforwards</a></td>
<td class="nump">476,033<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember', window );">State and Local Jurisdiction</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwards', window );">Operating Loss Carryforwards</a></td>
<td class="nump">572,203<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnusualOrInfrequentItemAxis=bkh_WinterStormUriMember', window );">Winter Storm Uri</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxLiabilitiesNet', window );">Deferred income tax liabilities, net</a></td>
<td class="nump">124,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnusualOrInfrequentItemAxis=bkh_WinterStormUriMember', window );">Winter Storm Uri | Internal Revenue Service (IRS)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_OperatingLossCarryforwardsWithNoExpirationDate', window );">Operating Loss Carryforwards, With no Expiration Date</a></td>
<td class="nump">509,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnusualOrInfrequentItemAxis=bkh_WinterStormUriMember', window );">Winter Storm Uri | State and Local Jurisdiction</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwards', window );">Operating Loss Carryforwards</a></td>
<td class="nump">$ 375,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_OperatingLossCarryforwardsWithNoExpirationDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Operating Loss Carryforwards, With no Expiration Date</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_OperatingLossCarryforwardsWithNoExpirationDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxLiabilitiesNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123427490&amp;loc=d3e31931-109318<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123427490&amp;loc=d3e31917-109318<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxLiabilitiesNet</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLossCarryforwards">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32559-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLossCarryforwards</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_InternalRevenueServiceIRSMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxAuthorityAxis=us-gaap_InternalRevenueServiceIRSMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnusualOrInfrequentItemAxis=bkh_WinterStormUriMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnusualOrInfrequentItemAxis=bkh_WinterStormUriMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>129
<FILENAME>R113.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936002728">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes: CARES Act (Details)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($)</div>
</th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_AmountOfPayrollTaxSocialSecurityEmploymentTaxDeferralAllowedUnderTheCARESAct', window );">Amount of Payroll Tax (Social Security Employment Tax) Deferral Allowed Under the CARES Act</a></td>
<td class="nump">$ 10,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_AmountOfPayrollTaxSocialSecurityEmploymentTaxDeferralUnderTheCaresActDisbursedInTheCurrentYear', window );">Amount of Payroll Tax (Social Security Employment Tax) Deferral Under the Cares Act Disbursed in the current year</a></td>
<td class="nump">4,800<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_GrossPayrollTaxCreditsRecognizedCaresAct', window );">Gross Payroll Tax Credits Recognized (Cares Act)</a></td>
<td class="nump">$ 1,200<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_AmountOfPayrollTaxSocialSecurityEmploymentTaxDeferralAllowedUnderTheCARESAct">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of Payroll Tax (Social Security Employment Tax) Deferral Allowed Under the CARES Act</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_AmountOfPayrollTaxSocialSecurityEmploymentTaxDeferralAllowedUnderTheCARESAct</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_AmountOfPayrollTaxSocialSecurityEmploymentTaxDeferralUnderTheCaresActDisbursedInTheCurrentYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of Payroll Tax (Social Security Employment Tax) Deferral Under the Cares Act - Disbursed in the current year</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_AmountOfPayrollTaxSocialSecurityEmploymentTaxDeferralUnderTheCaresActDisbursedInTheCurrentYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_GrossPayrollTaxCreditsRecognizedCaresAct">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Gross Payroll Tax Credits Recognized upon the completion of the Cares Act employee retention tax credits study</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_GrossPayrollTaxCreditsRecognizedCaresAct</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>130
<FILENAME>R114.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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</head>
<body>
<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333935948696">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes: Tax Cut and Jobs Act (Details)<br> $ in Millions</strong></div></th>
<th class="th" colspan="1">48 Months Ended</th>
</tr>
<tr><th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($)</div>
</th></tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=us-gaap_RevenueSubjectToRefundMember', window );">Revenue Subject to Refund</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_RevenueRefundedToCustomersAsAResultOfTheTCJATaxBenefits', window );">Revenue Refunded To Customers As A Result Of The TCJA Tax Benefits</a></td>
<td class="nump">$ 23<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_RevenueRefundedToCustomersAsAResultOfTheTCJATaxBenefits">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Revenue Refunded To Customers As A Result Of The TCJA Tax Benefits</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_RevenueRefundedToCustomersAsAResultOfTheTCJATaxBenefits</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityAxis=us-gaap_RevenueSubjectToRefundMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityAxis=us-gaap_RevenueSubjectToRefundMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>131
<FILENAME>R115.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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							e.nextSibling.style.display='block';
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</head>
<body>
<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333934839080">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes: Current and Deferred Income Tax Expense (Benefit) (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract', window );"><strong>Current:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CurrentFederalTaxExpenseBenefit', window );">Federal</a></td>
<td class="nump">$ 574<span></span>
</td>
<td class="num">$ (6,020)<span></span>
</td>
<td class="num">$ (8,578)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CurrentStateAndLocalTaxExpenseBenefit', window );">State</a></td>
<td class="num">(666)<span></span>
</td>
<td class="nump">847<span></span>
</td>
<td class="nump">138<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CurrentIncomeTaxExpenseBenefit', window );">Total Current</a></td>
<td class="num">(92)<span></span>
</td>
<td class="num">(5,173)<span></span>
</td>
<td class="num">(8,440)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract', window );"><strong>Deferred:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredFederalIncomeTaxExpenseBenefit', window );">Federal</a></td>
<td class="nump">2,170<span></span>
</td>
<td class="nump">35,672<span></span>
</td>
<td class="nump">34,551<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit', window );">State</a></td>
<td class="nump">5,091<span></span>
</td>
<td class="nump">2,419<span></span>
</td>
<td class="nump">3,469<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxExpenseBenefit', window );">Total Deferred</a></td>
<td class="nump">7,261<span></span>
</td>
<td class="nump">38,091<span></span>
</td>
<td class="nump">38,020<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Total Current and Deferred</a></td>
<td class="nump">$ 7,169<span></span>
</td>
<td class="nump">$ 32,918<span></span>
</td>
<td class="nump">$ 29,580<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CurrentFederalTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(1)(Note 1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CurrentFederalTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CurrentIncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(1)(Note 1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32639-109319<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.Fact.2)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CurrentIncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CurrentStateAndLocalTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(1)(Note 1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CurrentStateAndLocalTaxExpenseBenefit</td>
</tr>
<tr>
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<td>us-gaap_</td>
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<tr>
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<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredFederalIncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(1)(Note 1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredFederalIncomeTaxExpenseBenefit</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.Fact.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(1)(Note 1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.Fact.2)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32639-109319<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(1)(Note 1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32672-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22663-107794<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123586238&amp;loc=d3e38679-109324<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(9))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22658-107794<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936933944">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes: Effective Tax Rate Differences From Statutory Tax Rates (Details)<br></strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate', window );">Federal Statutory Rate</a></td>
<td class="nump">21.00%<span></span>
</td>
<td class="nump">21.00%<span></span>
</td>
<td class="nump">21.00%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes', window );">State income tax (net of federal tax effect)</a></td>
<td class="nump">1.20%<span></span>
</td>
<td class="nump">2.40%<span></span>
</td>
<td class="nump">1.50%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense', window );">Non-controlling interest</a></td>
<td class="num">(1.20%)<span></span>
</td>
<td class="num">(1.20%)<span></span>
</td>
<td class="num">(1.20%)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits', window );">Tax Credits</a></td>
<td class="num">(8.40%)<span></span>
</td>
<td class="num">(9.20%)<span></span>
</td>
<td class="num">(3.90%)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_EffectiveIncomeTaxRateReconciliationFlowThroughAccounting', window );">Flow-through adjustments</a></td>
<td class="num">(3.20%)<span></span>
</td>
<td class="num">(1.60%)<span></span>
</td>
<td class="num">(2.40%)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_EffectiveIncomeTaxRateReconciliationUncertainTaxBenefitsPercent', window );">Uncertain Tax Benefits</a></td>
<td class="nump">0.30%<span></span>
</td>
<td class="nump">1.50%<span></span>
</td>
<td class="nump">0.00%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance', window );">Valuation Allowance</a></td>
<td class="nump">0.00%<span></span>
</td>
<td class="nump">0.70%<span></span>
</td>
<td class="nump">0.00%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments', window );">Other tax differences</a></td>
<td class="num">(0.20%)<span></span>
</td>
<td class="nump">0.60%<span></span>
</td>
<td class="num">(1.60%)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_EffectiveIncomeTaxReconciliationAmortizationOfExcessDeferredIncomeTaxExpense', window );">Amortization Of excess deferred income tax expense</a></td>
<td class="num">(3.10%)<span></span>
</td>
<td class="num">(2.30%)<span></span>
</td>
<td class="num">(1.20%)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_EffectiveIncomeTaxReconciliationTCJARelatedCustomerBillingCreditsToItsCustomersPercent', window );">TCJA bill credits</a></td>
<td class="num">(3.60%)<span></span>
</td>
<td class="nump">0.00%<span></span>
</td>
<td class="nump">0.00%<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateContinuingOperations', window );">Effective Income Tax Rate, Continuing Operations</a></td>
<td class="nump">2.80%<span></span>
</td>
<td class="nump">11.90%<span></span>
</td>
<td class="nump">12.20%<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_EffectiveIncomeTaxRateReconciliationFlowThroughAccounting">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by Flow Through Accounting.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_EffectiveIncomeTaxRateReconciliationFlowThroughAccounting</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Effective Income Tax Rate Reconciliation, Uncertain Tax Benefits, Percent</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_EffectiveIncomeTaxRateReconciliationUncertainTaxBenefitsPercent</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Effective Income Tax Reconciliation, Amortization Of Excess Deferred Income Tax Expense</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_EffectiveIncomeTaxReconciliationAmortizationOfExcessDeferredIncomeTaxExpense</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Effective Income Tax Reconciliation, TCJA-Related Customer Billing Credits to its Customers, Percent</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_EffectiveIncomeTaxReconciliationTCJARelatedCustomerBillingCreditsToItsCustomersPercent</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectiveIncomeTaxRateContinuingOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateContinuingOperations</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of domestic federal statutory tax rate applicable to pretax income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.Fact.4)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.Fact.4)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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</table></div>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to noncontrolling interest income (loss) exempt from income taxes.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.Fact.4)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateReconciliationMinorityInterestIncomeExpense</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32687-109319<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.Fact.4)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.Fact.4)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32687-109319<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.Fact.4)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxDisclosureAbstract</td>
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<body>
<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333929575480">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Income Taxes: Deferred Income Tax Assets and Liabilities (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsNetAbstract', window );"><strong>Deferred Tax Assets, Net [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsRegulatoryAssetsAndLiabilities', window );">Regulatory liabilities</a></td>
<td class="nump">$ 77,099<span></span>
</td>
<td class="nump">$ 90,535<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther', window );">State tax credits</a></td>
<td class="nump">23,342<span></span>
</td>
<td class="nump">23,339<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards', window );">Federal NOL (a)</a></td>
<td class="nump">227,535<span></span>
</td>
<td class="nump">96,155<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal', window );">State NOL (a)</a></td>
<td class="nump">33,639<span></span>
</td>
<td class="nump">9,914<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsInvestments', window );">Partnership</a></td>
<td class="nump">13,395<span></span>
</td>
<td class="nump">15,601<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards', window );">Credit Carryovers</a></td>
<td class="nump">68,646<span></span>
</td>
<td class="nump">51,445<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsOther', window );">Other deferred tax assets</a></td>
<td class="nump">31,996<span></span>
</td>
<td class="nump">40,143<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsValuationAllowance', window );">Less: Valuation allowance</a></td>
<td class="num">(14,719)<span></span>
</td>
<td class="num">(13,943)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsNet', window );">Total deferred tax assets</a></td>
<td class="nump">460,933<span></span>
</td>
<td class="nump">313,189<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxLiabilitiesNetAbstract', window );"><strong>Deferred tax liabilities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment', window );">Accelerated depreciation, amortization and other plant-related differences</a></td>
<td class="num">(597,284)<span></span>
</td>
<td class="num">(551,137)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxLiabilitiesRegulatoryAssets', window );">Regulatory assets (a)</a></td>
<td class="num">(124,582)<span></span>
</td>
<td class="num">(28,007)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill', window );">Goodwill</a></td>
<td class="num">(45,471)<span></span>
</td>
<td class="num">(30,590)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_DeferredTaxLiabilityState', window );">State deferred tax liability (a)</a></td>
<td class="num">(109,136)<span></span>
</td>
<td class="num">(73,910)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxLiabilitiesOther', window );">Other deferred tax liabilities</a></td>
<td class="num">(49,848)<span></span>
</td>
<td class="num">(38,169)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxLiabilities', window );">Total deferred tax liabilities</a></td>
<td class="num">(926,321)<span></span>
</td>
<td class="num">(721,813)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxLiabilities', window );">Net deferred tax liability</a></td>
<td class="num">$ (465,388)<span></span>
</td>
<td class="num">$ (408,624)<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_DeferredTaxLiabilityState">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax liabilities attributable to taxable temporary differences from state taxes.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_DeferredTaxLiabilityState</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax liability attributable to taxable temporary differences.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(26)(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32537-109319<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(15)(b)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(15)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(26)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from investments (excludes investments in subsidiaries and equity method investments).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsInvestments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsNetAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsNetAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32632-109319<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32621-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsOperatingLossCarryforwards</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32632-109319<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32621-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32621-109319<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32632-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsOther</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsRegulatoryAssetsAndLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences derived regulatory assets and liabilities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32632-109319<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32621-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsRegulatoryAssetsAndLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsTaxCreditCarryforwards">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32632-109319<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32559-109319<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32621-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsTaxCreditCarryforwards</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible tax credit carryforwards, classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32632-109319<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32621-109319<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32559-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsValuationAllowance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsValuationAllowance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=123427490&amp;loc=d3e31931-109318<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax liability attributable to taxable temporary differences from goodwill.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32632-109319<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32621-109319<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 805<br> -SubTopic 740<br> -Section 25<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=123403335&amp;loc=d3e9972-128506<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 805<br> -SubTopic 740<br> -Section 25<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=123403335&amp;loc=d3e9979-128506<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxLiabilitiesNetAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxLiabilitiesNetAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxLiabilitiesOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax liability attributable to taxable temporary differences classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32632-109319<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32621-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxLiabilitiesOther</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32621-109319<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32632-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxLiabilitiesRegulatoryAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax liability attributable to taxable temporary differences from regulatory assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32632-109319<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32621-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxLiabilitiesRegulatoryAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936509608">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes: Net Operating Loss Carryforwards (Details)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th">
<div>Dec. 31, 2021 </div>
<div>USD ($)</div>
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<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwardsLineItems', window );"><strong>Operating Loss Carryforwards [Line Items]</strong></a></td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwards', window );">Operating Loss Carryforwards</a></td>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_OperatingLossCarryforwardsWithNoExpirationDate', window );">Operating Loss Carryforwards, With no Expiration Date</a></td>
<td class="nump">607,465<span></span>
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</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember', window );">State and Local Jurisdiction</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwardsLineItems', window );"><strong>Operating Loss Carryforwards [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwards', window );">Operating Loss Carryforwards</a></td>
<td class="nump">572,203<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount', window );">Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount</a></td>
<td class="nump">800<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember', window );">State and Local Jurisdiction | Valuation Allowance, Operating Loss Carryforwards</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwardsLineItems', window );"><strong>Operating Loss Carryforwards [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwardsValuationAllowance', window );">Operating Loss Carryforwards Valuation Allowance</a></td>
<td class="nump">1,100<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount', window );">Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount</a></td>
<td class="nump">$ 0<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_OperatingLossCarryforwardsWithNoExpirationDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Operating Loss Carryforwards, With no Expiration Date</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_OperatingLossCarryforwardsWithNoExpirationDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLossCarryforwards">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32559-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLossCarryforwards</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLossCarryforwardsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLossCarryforwardsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLossCarryforwardsValuationAllowance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLossCarryforwardsValuationAllowance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_InternalRevenueServiceIRSMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxAuthorityAxis=us-gaap_InternalRevenueServiceIRSMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=us-gaap_ValuationAllowanceOperatingLossCarryforwardsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ValuationAllowanceByDeferredTaxAssetAxis=us-gaap_ValuationAllowanceOperatingLossCarryforwardsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333936214216">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes: Reconciliation of unrecognized tax benefits (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward', window );"><strong>Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent', window );">Liability for Uncertain Tax Positions, Noncurrent, Period Start</a></td>
<td class="nump">$ 8,383<span></span>
</td>
<td class="nump">$ 4,165<span></span>
</td>
<td class="nump">$ 3,583<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions', window );">Additions for prior year tax positions</a></td>
<td class="nump">448<span></span>
</td>
<td class="nump">3,788<span></span>
</td>
<td class="nump">446<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions', window );">Reductions for prior year tax positions</a></td>
<td class="num">(732)<span></span>
</td>
<td class="num">(1,313)<span></span>
</td>
<td class="num">(862)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions', window );">Additions for current year tax positions</a></td>
<td class="nump">2,455<span></span>
</td>
<td class="nump">1,743<span></span>
</td>
<td class="nump">998<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent', window );">Liability for Uncertain Tax Positions, Noncurrent, Period End</a></td>
<td class="nump">10,554<span></span>
</td>
<td class="nump">$ 8,383<span></span>
</td>
<td class="nump">$ 4,165<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate', window );">Unrecognized Tax Benefits that Would Impact Effective Tax Rate</a></td>
<td class="nump">$ 5,100<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount recognized for uncertainty in income taxes classified as noncurrent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.24)<br> -URI http://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilityForUncertainTaxPositionsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 15A<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=SL6600010-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 15A<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=SL6600010-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 15A<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=SL6600010-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 15A<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=SL6600010-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
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</DOCUMENT>
<DOCUMENT>
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<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333939616840">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes: Interest, Penalties and Audits (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense', window );">Unrecognized Tax Benefits, Interest Expense</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued', window );">Unrecognized Tax Benefits, Interest Accrued</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 15<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32718-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 15<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32718-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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</div>
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</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>137
<FILENAME>R121.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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<body>
<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333930263496">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes: Carryforwards, State and Foreign Tax Credits (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxCreditCarryforwardLineItems', window );"><strong>Tax Credit Carryforward [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income Tax Expense (Benefit)</a></td>
<td class="nump">$ 7,169<span></span>
</td>
<td class="nump">$ 32,918<span></span>
</td>
<td class="nump">$ 29,580<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember', window );">State and Local Jurisdiction</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxCreditCarryforwardLineItems', window );"><strong>Tax Credit Carryforward [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxCreditCarryforwardValuationAllowance', window );">Tax Credit Carryforward, Valuation Allowance</a></td>
<td class="nump">13,600<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount', window );">Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount</a></td>
<td class="nump">800<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income Tax Expense (Benefit)</a></td>
<td class="nump">800<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember', window );">State and Local Jurisdiction | Investment Tax Credit Carryforward</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxCreditCarryforwardLineItems', window );"><strong>Tax Credit Carryforward [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsStateTaxes', window );">Deferred Tax Assets, State Tax Credits</a></td>
<td class="nump">23,060<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember', window );">State and Local Jurisdiction | Research Tax Credit Carryforward</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxCreditCarryforwardLineItems', window );"><strong>Tax Credit Carryforward [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsStateTaxes', window );">Deferred Tax Assets, State Tax Credits</a></td>
<td class="nump">$ 282<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsStateTaxes">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from state taxes.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsStateTaxes</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32672-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22663-107794<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123586238&amp;loc=d3e38679-109324<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(9))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22658-107794<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TaxCreditCarryforwardLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from tax credit carryforwards for which it is more likely than not that a tax benefit will not be realized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
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<tr>
<td><strong> Name:</strong></td>
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333929310504">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Business Segment Information: Segment Assets (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingAssetReconcilingItemLineItems', window );"><strong>Segment Reporting, Asset Reconciling Item</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total Assets</a></td>
<td class="nump">$ 9,131,896<span></span>
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<td class="nump">$ 8,088,786<span></span>
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<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember', window );">Corporate, Non-Segment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingAssetReconcilingItemLineItems', window );"><strong>Segment Reporting, Asset Reconciling Item</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total Assets</a></td>
<td class="nump">88,864<span></span>
</td>
<td class="nump">110,349<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingAssetReconcilingItemLineItems', window );"><strong>Segment Reporting, Asset Reconciling Item</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total Assets</a></td>
<td class="nump">3,796,662<span></span>
</td>
<td class="nump">3,602,233<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingAssetReconcilingItemLineItems', window );"><strong>Segment Reporting, Asset Reconciling Item</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total Assets</a></td>
<td class="nump">$ 5,246,370<span></span>
</td>
<td class="nump">$ 4,376,204<span></span>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Assets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business Segment Information: Capital Expenditures and Asset Acquisitions (Details) - USD ($)<br> $ in Thousands</strong></div></th>
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<th class="th"><div>Dec. 31, 2021</div></th>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>140
<FILENAME>R124.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333927486120">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business Segment Information: Information Relating to Segments Statement of Income (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2020</div></th>
<th class="th"><div>Sep. 30, 2019</div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,930,834<span></span>
</td>
<td class="nump">$ 1,680,804<span></span>
</td>
<td class="nump">$ 1,726,392<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,949,102<span></span>
</td>
<td class="nump">1,696,941<span></span>
</td>
<td class="nump">1,734,900<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_FuelPurchasedPowerAndCostOfGasSold', window );">Fuel, purchased power and cost of natural gas sold</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">741,934<span></span>
</td>
<td class="nump">492,404<span></span>
</td>
<td class="nump">570,829<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpenses', window );">Operations and maintenance, including taxes</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">561,786<span></span>
</td>
<td class="nump">551,777<span></span>
</td>
<td class="nump">548,909<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation, depletion and amortization</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">235,953<span></span>
</td>
<td class="nump">224,457<span></span>
</td>
<td class="nump">209,120<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingIncomeLoss', window );">Operating income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">409,429<span></span>
</td>
<td class="nump">428,303<span></span>
</td>
<td class="nump">406,042<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(152,404)<span></span>
</td>
<td class="num">(143,470)<span></span>
</td>
<td class="num">(137,659)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetImpairmentCharges', window );">Impairment of investment</a></td>
<td class="num">$ (6,900)<span></span>
</td>
<td class="num">$ (20,000)<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="num">(6,859)<span></span>
</td>
<td class="num">(19,741)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncomeExpense', window );">Other income (expense), net</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,404<span></span>
</td>
<td class="num">(2,293)<span></span>
</td>
<td class="num">(5,740)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income tax (expense)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(7,169)<span></span>
</td>
<td class="num">(32,918)<span></span>
</td>
<td class="num">(29,580)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">251,260<span></span>
</td>
<td class="nump">242,763<span></span>
</td>
<td class="nump">213,322<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest', window );">Net income attributable to non-controlling interest</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(14,516)<span></span>
</td>
<td class="num">(15,155)<span></span>
</td>
<td class="num">(14,012)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income available for common stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">236,744<span></span>
</td>
<td class="nump">227,608<span></span>
</td>
<td class="nump">199,310<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember', window );">Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">836,923<span></span>
</td>
<td class="nump">732,681<span></span>
</td>
<td class="nump">731,231<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">842,258<span></span>
</td>
<td class="nump">738,857<span></span>
</td>
<td class="nump">739,355<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_FuelPurchasedPowerAndCostOfGasSold', window );">Fuel, purchased power and cost of natural gas sold</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">248,018<span></span>
</td>
<td class="nump">138,572<span></span>
</td>
<td class="nump">145,972<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpenses', window );">Operations and maintenance, including taxes</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">260,036<span></span>
</td>
<td class="nump">265,679<span></span>
</td>
<td class="nump">259,167<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation, depletion and amortization</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">131,528<span></span>
</td>
<td class="nump">123,632<span></span>
</td>
<td class="nump">116,539<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_AdjustedOperatingIncomeLoss', window );">Adjusted operating income (loss)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">202,676<span></span>
</td>
<td class="nump">210,974<span></span>
</td>
<td class="nump">217,677<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember', window );">Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,111,539<span></span>
</td>
<td class="nump">964,421<span></span>
</td>
<td class="nump">1,009,646<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,124,865<span></span>
</td>
<td class="nump">974,670<span></span>
</td>
<td class="nump">1,010,030<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_FuelPurchasedPowerAndCostOfGasSold', window );">Fuel, purchased power and cost of natural gas sold</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">494,738<span></span>
</td>
<td class="nump">354,645<span></span>
</td>
<td class="nump">425,898<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpenses', window );">Operations and maintenance, including taxes</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">314,810<span></span>
</td>
<td class="nump">303,577<span></span>
</td>
<td class="nump">301,844<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation, depletion and amortization</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">104,160<span></span>
</td>
<td class="nump">100,559<span></span>
</td>
<td class="nump">92,317<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_AdjustedOperatingIncomeLoss', window );">Adjusted operating income (loss)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">211,157<span></span>
</td>
<td class="nump">215,889<span></span>
</td>
<td class="nump">189,971<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember', window );">Intercompany Eliminations</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(17,628)<span></span>
</td>
<td class="num">(16,298)<span></span>
</td>
<td class="num">(14,485)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(18,021)<span></span>
</td>
<td class="num">(16,586)<span></span>
</td>
<td class="num">(14,485)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_FuelPurchasedPowerAndCostOfGasSold', window );">Fuel, purchased power and cost of natural gas sold</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(918)<span></span>
</td>
<td class="num">(896)<span></span>
</td>
<td class="num">(1,310)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpenses', window );">Operations and maintenance, including taxes</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(306,325)<span></span>
</td>
<td class="num">(301,980)<span></span>
</td>
<td class="num">(298,902)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation, depletion and amortization</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(26,573)<span></span>
</td>
<td class="num">(24,884)<span></span>
</td>
<td class="num">(21,801)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_AdjustedOperatingIncomeLoss', window );">Adjusted operating income (loss)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(40,552)<span></span>
</td>
<td class="num">(41,969)<span></span>
</td>
<td class="num">(36,676)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember', window );">Corporate, Non-Segment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">356,347<span></span>
</td>
<td class="nump">353,143<span></span>
</td>
<td class="nump">344,204<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_FuelPurchasedPowerAndCostOfGasSold', window );">Fuel, purchased power and cost of natural gas sold</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">96<span></span>
</td>
<td class="nump">83<span></span>
</td>
<td class="nump">269<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsAndExpenses', window );">Operations and maintenance, including taxes</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">293,265<span></span>
</td>
<td class="nump">284,501<span></span>
</td>
<td class="nump">286,800<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation, depletion and amortization</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">26,838<span></span>
</td>
<td class="nump">25,150<span></span>
</td>
<td class="nump">22,065<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_bkh_AdjustedOperatingIncomeLoss', window );">Adjusted operating income (loss)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">36,148<span></span>
</td>
<td class="nump">43,409<span></span>
</td>
<td class="nump">35,070<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ProductOrServiceAxis=bkh_OtherMember', window );">Other revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">18,268<span></span>
</td>
<td class="nump">16,137<span></span>
</td>
<td class="nump">8,508<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ProductOrServiceAxis=bkh_OtherMember', window );">Other revenues | Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,335<span></span>
</td>
<td class="nump">6,176<span></span>
</td>
<td class="nump">8,124<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ProductOrServiceAxis=bkh_OtherMember', window );">Other revenues | Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">13,326<span></span>
</td>
<td class="nump">10,249<span></span>
</td>
<td class="nump">384<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_ProductOrServiceAxis=bkh_OtherMember', window );">Other revenues | Intercompany Eliminations</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(393)<span></span>
</td>
<td class="num">(288)<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_ExternalCustomersMember', window );">External Customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,930,834<span></span>
</td>
<td class="nump">1,680,804<span></span>
</td>
<td class="nump">1,726,392<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,949,102<span></span>
</td>
<td class="nump">1,696,941<span></span>
</td>
<td class="nump">1,734,900<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_ExternalCustomersMember', window );">External Customers | Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">825,404<span></span>
</td>
<td class="nump">721,108<span></span>
</td>
<td class="nump">719,205<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">830,740<span></span>
</td>
<td class="nump">727,283<span></span>
</td>
<td class="nump">727,329<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_ExternalCustomersMember', window );">External Customers | Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,105,430<span></span>
</td>
<td class="nump">959,696<span></span>
</td>
<td class="nump">1,007,187<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,118,362<span></span>
</td>
<td class="nump">969,658<span></span>
</td>
<td class="nump">1,007,571<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_ExternalCustomersMember', window );">External Customers | Other revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">18,268<span></span>
</td>
<td class="nump">16,137<span></span>
</td>
<td class="nump">8,508<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_ExternalCustomersMember', window );">External Customers | Other revenues | Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,336<span></span>
</td>
<td class="nump">6,175<span></span>
</td>
<td class="nump">8,124<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_ExternalCustomersMember', window );">External Customers | Other revenues | Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">12,932<span></span>
</td>
<td class="nump">9,962<span></span>
</td>
<td class="nump">384<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_IntercompanyCustomersMember', window );">Intercompany Customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_IntercompanyCustomersMember', window );">Intercompany Customers | Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">11,518<span></span>
</td>
<td class="nump">11,574<span></span>
</td>
<td class="nump">12,026<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">11,518<span></span>
</td>
<td class="nump">11,574<span></span>
</td>
<td class="nump">12,026<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_IntercompanyCustomersMember', window );">Intercompany Customers | Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">6,110<span></span>
</td>
<td class="nump">4,724<span></span>
</td>
<td class="nump">2,459<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">6,503<span></span>
</td>
<td class="nump">5,012<span></span>
</td>
<td class="nump">2,459<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_IntercompanyCustomersMember', window );">Intercompany Customers | Intercompany Eliminations</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(17,824)<span></span>
</td>
<td class="num">(16,465)<span></span>
</td>
<td class="num">(14,715)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(374,368)<span></span>
</td>
<td class="num">(369,729)<span></span>
</td>
<td class="num">(358,689)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_IntercompanyCustomersMember', window );">Intercompany Customers | Corporate, Non-Segment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Revenue from contracts with customers</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">196<span></span>
</td>
<td class="nump">167<span></span>
</td>
<td class="nump">230<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">356,347<span></span>
</td>
<td class="nump">353,143<span></span>
</td>
<td class="nump">344,204<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_IntercompanyCustomersMember', window );">Intercompany Customers | Other revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_IntercompanyCustomersMember', window );">Intercompany Customers | Other revenues | Electric Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_IntercompanyCustomersMember', window );">Intercompany Customers | Other revenues | Gas Utilities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">393<span></span>
</td>
<td class="nump">288<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_IntercompanyCustomersMember', window );">Intercompany Customers | Other revenues | Intercompany Eliminations</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(356,544)<span></span>
</td>
<td class="num">(353,264)<span></span>
</td>
<td class="num">(343,974)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_srt_MajorCustomersAxis=bkh_IntercompanyCustomersMember', window );">Intercompany Customers | Other revenues | Corporate, Non-Segment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting Information</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Revenue</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 356,151<span></span>
</td>
<td class="nump">$ 352,976<span></span>
</td>
<td class="nump">$ 343,974<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_AdjustedOperatingIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Adjusted Operating Income (Loss)</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_AdjustedOperatingIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_bkh_FuelPurchasedPowerAndCostOfGasSold">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fuel costs incurred that are directly related to goods produced and sold and services rendered during the reporting period, combined with the amount of purchased power charged against earnings for the period, and cost of gas sold to customers for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">bkh_FuelPurchasedPowerAndCostOfGasSold</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>bkh_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CostsAndExpenses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total costs of sales and operating expenses for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03)<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CostsAndExpenses</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DepreciationDepletionAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DepreciationDepletionAndAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32672-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22663-107794<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123586238&amp;loc=d3e38679-109324<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(9))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22658-107794<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the cost of borrowed funds accounted for as interest expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6450988&amp;loc=d3e26243-108391<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124435984&amp;loc=d3e28555-108399<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (210.5-03(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of Net Income (Loss) attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669625-108580<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=109239629&amp;loc=SL4573702-111684<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22658-107794<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669619-108580<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4J<br> -URI http://asc.fasb.org/extlink&amp;oid=120409616&amp;loc=SL4591551-111686<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22663-107794<br><br>Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=124431353&amp;loc=SL124452729-227067<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLossAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net result for the period of deducting operating expenses from operating revenues.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 31<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8924-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherAssetImpairmentCharges">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=109226691&amp;loc=d3e2921-110230<br><br>Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherAssetImpairmentCharges</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherNonoperatingIncomeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (expense) related to nonoperating activities, classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherNonoperatingIncomeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProfitLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(g)(1)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669619-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(1)<br> -URI 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8906-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 40<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9031-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 41<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9038-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130543-203045<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 42<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e9054-108599<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130545-203045<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 924<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 11.L)<br> -URI http://asc.fasb.org/extlink&amp;oid=6472922&amp;loc=d3e499488-122856<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Revenues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 28<br> -Subparagraph (f)<br> -URI 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http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(iv))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iii)(A))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher 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http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Revenues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SegmentReportingInformationLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SegmentReportingInformationLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=bkh_ElectricUtilitiesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=bkh_GasUtilitiesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ConsolidationItemsAxis=us-gaap_IntersegmentEliminationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ProductOrServiceAxis=bkh_OtherMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ProductOrServiceAxis=bkh_OtherMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=bkh_ExternalCustomersMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_MajorCustomersAxis=bkh_ExternalCustomersMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_MajorCustomersAxis=bkh_IntercompanyCustomersMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
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<span style="display: none;">v3.22.0.1</span><table class="report" border="0" cellspacing="2" id="idm140333930344584">
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<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Subsequent Events (Details) - MW<br></strong></div></th>
<th class="th"><div>Jan. 01, 2022</div></th>
<th class="th"><div>Dec. 31, 2021</div></th>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SupplyCommitmentAxis=bkh_PurchasePowerContractMEANMember', window );">Purchase Power Contract, MEAN</a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
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<td class="nump">20<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember', window );">Subsequent Event | Tri-State Generation and Transmission Association | Black Hills Energy - Colorado Electric</a></td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventLineItems', window );"><strong>Subsequent Event [Line Items]</strong></a></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.</p></div>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTMx_f6e44a05-b5e1-42dc-a3bc-e30f825efce1">BUSINESS DESCRIPTION AND SIGNIFICANT ACCOUNTING POLICIES&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Business Description&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Black Hills Corporation is a customer-focused, growth-oriented utility company headquartered in Rapid City, South Dakota. We are a holding company that, through our subsidiaries, conducts our operations through the following reportable segments:  Electric Utilities and Gas Utilities.  Certain unallocated corporate expenses that support our operating segments are presented as Corporate and Other.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Segment Reporting&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our reportable segments are based on our method of internal reporting, which is generally segregated by differences in products and services. All of our operations and assets are located within the United States.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our Electric Utilities segment includes the operating results of the regulated electric utility operations of Colorado Electric, South Dakota Electric, and Wyoming Electric, which supply regulated electric utility services to areas in Colorado, Montana, South Dakota and Wyoming.  We also own and operate non-regulated power generation and mining businesses that are vertically integrated with our Electric Utilities.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In the fourth quarter of 2021, we integrated our power generation and mining businesses within the Electric Utilities segment. The alignment is consistent with the current way our CODM evaluates the performance of the business and makes decisions related to the allocation of resources. Comparative periods presented reflect this change.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our Gas Utilities segment consists of the operating results of our regulated natural gas utility subsidiaries in Arkansas, Colorado, Iowa, Kansas, Nebraska and Wyoming.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;For further information regarding our segment reporting, see &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_223" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 16&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Use of Estimates and Basis of Presentation&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of certain assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Changes in facts and circumstances or additional information may result in revised estimates and actual results could differ materially from those estimates.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;COVID-19 Pandemic&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In March 2020, the World Health Organization categorized COVID-19 as a pandemic and the President of the United States declared the outbreak a national emergency. The U.S. government has deemed electric and natural gas utilities to be critical infrastructure sectors that provide essential services during this emergency. As a provider of essential services, the Company has an obligation to provide services to our customers. The Company remains focused on protecting the health of our customers, employees and the communities in which we operate while assuring the continuity of our business operations.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The Company&#x2019;s Consolidated Financial Statements reflect estimates and assumptions made by management that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the Consolidated Financial Statements and reported amounts of revenue and expenses during the reporting periods presented. The Company considered the impacts of COVID-19 on the assumptions and estimates used and determined that, for the years ended December 31, 2021 and 2020, there were no material adverse impacts on the Company&#x2019;s results of operations.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Principles of Consolidation&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The consolidated financial statements include the accounts of Black Hills Corporation and its wholly-owned and majority-owned and controlled subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. For additional information on intercompany revenues, see &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_223" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 16&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our Consolidated Statements of Income include operating activity of acquired companies beginning with their acquisition date.  We use the proportionate consolidation method to account for our ownership interest in any jointly-owned electric utility generation facility, wind farm or transmission tie. See &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_187" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 6&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; for additional information.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Variable Interest Entities&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We evaluate arrangements and contracts with other entities to determine if they are VIEs and if we are the primary beneficiary.  GAAP provides a framework for identifying VIEs and determining when a company should include the assets, liabilities, non-controlling interest and results of activities of a VIE in its consolidated financial statements.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;A VIE should be consolidated if a party with an ownership, contractual or other financial interest in the VIE (a variable interest holder) has the power to direct the VIE&#x2019;s most significant activities and the obligation to absorb losses or right to receive benefits of the VIE that could be significant to the VIE. A variable interest holder that consolidates the VIE is called the primary beneficiary. Upon consolidation, the primary beneficiary generally must initially record all of the VIE&#x2019;s assets, liabilities and non-controlling interests at fair value and subsequently account for the VIE as if it were consolidated.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our evaluation of whether our interest qualifies as the primary beneficiary of a VIE involves significant judgments, estimates and assumptions and includes a qualitative analysis of the activities that most significantly impact the VIE&#x2019;s economic performance and whether the Company has the power to direct those activities, the design of the entity, the rights of the parties and the purpose of the arrangement. Black Hills Colorado IPP is a VIE. See additional information in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_211" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 12&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Cash, Cash Equivalents and Restricted Cash&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We consider all highly liquid investments with an original maturity of three months or less to be cash and cash equivalents. We maintain cash accounts for various specified purposes, which are classified as restricted cash.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Revenue Recognition&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our revenue contracts generally provide for performance obligations that are fulfilled and transfer control to customers over time, represent a series of distinct services that are substantially the same, involve the same pattern of transfer to the customer and provide a right to consideration from our customers in an amount that corresponds directly with the value to the customer for the performance completed to date. Therefore, we recognize revenue in the amount to which we have a right to invoice. Our primary types of revenue contracts are:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline"&gt;Regulated natural gas and electric utility services tariffs&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; - Our Utilities have regulated operations, as defined by ASC 980, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Regulated Operations, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;that provide services to regulated customers under tariff rates, charges, terms and conditions of service and prices determined by the jurisdictional regulators designated for our service territories. Our regulated services primarily encompass single performance obligations for delivery of either commodity natural gas, commodity electricity, natural gas transportation or electric transmission services. These service revenues are variable based on quantities delivered, influenced by seasonal business and weather patterns. Tariffs are only permitted to be changed through a rate-setting process involving the state or federal regulatory commissions to establish contractual rates between the utility and its customers. All of our Utilities&#x2019; regulated sales are subject to regulatory-approved tariffs.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline"&gt;Power sales agreements&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; - Our Electric Utilities segment has long-term wholesale power sales agreements with other load-serving entities, including affiliates, for the sale of excess power from owned generating units. These agreements include a combination of &#x201c;take or pay&#x201d; arrangements, where the customer is obligated to pay for the energy regardless of whether it actually takes delivery, as well as &#x201c;requirements only&#x201d; arrangements, where the customer is only obligated to pay for the energy the customer needs. In addition to these long-term contracts, we also sell excess energy to other load-serving entities on a short-term basis. The pricing for all of these arrangements is included in the executed contracts or confirmations, reflecting the standalone selling price and is variable based on energy delivered. Certain energy sale and purchase transactions with the same counterparty and at the same delivery point are netted to reflect the economic substance of the arrangement.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline"&gt;Coal supply agreements&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; - Our WRDC mine sells coal primarily under long-term contracts to affiliates for use at their generation facilities. The contracts include a single promise to supply coal necessary to fuel the customers&#x2019; facilities during the contract term. The transaction price is established in the supply agreements, including cost-based agreements with the affiliated regulated utilities, and is variable based on tons delivered.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline"&gt;Other non-regulated services&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; - Our Utilities segments also provide non-regulated services primarily comprised of appliance repair service and protection plans, electric and natural gas technical infrastructure construction and maintenance services, and in Nebraska and Wyoming, an unbundled natural gas commodity offering under the regulatory-approved Choice Gas Program. Revenue contracts for these services generally represent a single performance obligation with the price reflecting the standalone selling price stated in the agreement and a variable revenue based on the units delivered or services provided.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The majority of our revenue contracts are based on variable quantities delivered. Any fixed consideration contracts with an expected duration of one year or more are immaterial to our consolidated revenues. Variable consideration constraints in the form of discounts, rebates, credits, price concessions, incentives, performance bonuses, penalties or other similar items are not material for our revenue contracts. We are the principal in our revenue contracts, as we have control over the services prior to those services being transferred to the customer.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:10pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Revenue Not in Scope of ASC 606&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Other revenues included in the tables in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_181" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 4&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; include our revenue accounted for under separate accounting guidance, including lease revenue under ASC 842, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Leases, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;derivative revenue under ASC 815, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Derivatives and Hedging,&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; and alternative revenue programs revenue under ASC 980, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Regulated Operations&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:10pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Significant Judgments and Estimates&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Unbilled Revenue&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;To the extent that deliveries have occurred but a bill has not been issued, our Utilities accrue an estimate of the revenue since the latest billing. This estimate is calculated based upon several factors including billings through the last billing cycle in a month and prices in effect in our jurisdictions. Each month, the estimated unbilled revenue amounts are trued-up and recorded in Accounts receivable, net on the accompanying Consolidated Balance Sheets.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Contract Balances&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The nature of our primary revenue contracts provides an unconditional right to consideration upon service delivery; therefore, no customer contract assets or liabilities exist. The unconditional right to consideration is represented by the balance in our Accounts receivable, which is further discussed below.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Additional information is included in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_181" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 4&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Accounts Receivable and Allowance for Credit Losses&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:10pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Accounts receivable for our Electric and Gas Utilities business segments primarily consists of sales to residential, commercial, industrial, transportation and other customers, all of which do not bear interest. These accounts receivable are stated at billed and estimated unbilled amounts, net of allowance for credit losses. Accounts receivable for our power generation and mining businesses consists of amounts due from sales of electric energy and capacity and coal primarily to affiliates or regional utilities.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We maintain an allowance for credit losses which reflects our estimate of uncollectible trade receivables. We regularly review our trade receivable allowance by considering such factors as historical experience, credit worthiness, the age of the receivable balances and current economic conditions that may affect collectability.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:10pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In specific cases where we are aware of a customer&#x2019;s inability or reluctance to pay, we record an allowance for credit losses to reduce the net receivable balance to the amount we reasonably expect to collect. However, if circumstances change, our estimate of the recoverability of accounts receivable could be affected. Circumstances which could affect our estimates include, but are not limited to, customer credit issues, expected losses, the level of commodity prices, customer deposits and general economic conditions. Accounts are written off once they are deemed to be uncollectible or the time allowed for dispute under the contract has expired.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:10pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We utilize master netting agreements which consist of an agreement between two parties who have multiple contracts with each other that provide for the net settlement of all contracts in the event of default on or termination of any one contract. When the right of offset exists, accounting standards permit the netting of receivables and payables under a legally enforceable master netting agreement between counterparties. Accounting standards also permit offsetting of fair value amounts recognized for the right to reclaim, or the obligation to return, cash collateral against fair value amounts recognized for derivative instruments executed with the same counterparty.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Following is a summary of accounts receivable as of December 31 (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:60.595%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.052%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.053%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Billed Accounts Receivable&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;181,027&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;146,899&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Unbilled Revenue&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;142,738&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;126,065&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less Allowance for Credit Losses&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,113)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(7,003)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accounts Receivable, net&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;321,652&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;265,961&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Changes to allowance for credit losses for the years ended December 31, were as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:16.443%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.250%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.250%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:2.577%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.250%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.250%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.260%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Balance at Beginning of Year&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Additions Charged to Costs and Expenses&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Recoveries and Other Additions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Write-offs and Other Deductions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Balance at End of Year&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,003&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,444&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,560&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(10,894)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,113&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,444&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,927&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,728&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(9,096)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,003&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,209&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,795&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,942&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(10,502)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,444&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;_________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Due to the COVID-19 pandemic, all of our jurisdictions temporarily suspended disconnections due to non-payment for a period of time, which increased our accounts receivable arrears balances. As a result, we increased our allowance for credit losses and bad debt expense for the year ended December 31, 2020 by an incremental $3.3&#160;million. All jurisdiction disconnect moratoriums ended on or before May 3, 2021.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Materials, Supplies and Fuel&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following amounts by major classification are included in Materials, supplies and fuel on the accompanying Consolidated Balance Sheets as of December 31 (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:60.595%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.052%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.053%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Materials and supplies&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;86,400&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;85,250&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fuel&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,267&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,531&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Natural gas in storage &lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;63,312&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,619&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total materials, supplies and fuel&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;150,979&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;117,400&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Materials and supplies represent parts and supplies for business segments. Fuel represents diesel oil and gas used by our Electric Utilities to produce power. Natural gas in storage primarily represents gas purchased for use by our gas customers.  All of our Materials, supplies and fuel are recorded using the weighted-average cost method and are valued at the lower-of-cost or net realizable value. The value of our natural gas in storage fluctuates with seasonal volume requirements of our business and the commodity price of natural gas.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Investments &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In February 2018, we made a contribution of $28 million of assets in exchange for equity securities in a privately held oil and gas company as we divested of our Oil and Gas segment. The carrying value of our investment in the equity securities was recorded at cost. We review this investment on a periodic basis to determine whether a significant event or change in circumstances has occurred that may have an adverse effect on the value of the investment.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;During the third quarter of 2019, we assessed our investment for impairment as a result of a deterioration in earnings performance of the privately held oil and gas company and an adverse change in future natural gas prices. Based on the estimated fair value of our investment, we concluded that the carrying value of the investment exceeded fair value.  As a result, we recorded a pre-tax impairment loss of $20 million for the three months ended September 30, 2019, which was the difference between the carrying amount and the fair value of the investment at that time.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;During the first quarter of 2020, we assessed our investment for impairment as a result of continued adverse changes in future natural gas prices and liquidity concerns at the privately held oil and gas company. Based on the estimated fair value of our investment, we concluded that the carrying value of the investment exceeded fair value. As a result, we recorded a pre-tax impairment loss of $6.9&#160;million for the three months ended March 31, 2020, which was the difference between the carrying value and the fair value of the investment at that time.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following table presents the carrying value of our investments (in thousands), which are included in Other assets, non-current on the Consolidated Balance Sheets, as of December 31:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:60.595%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.052%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.053%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Investment in privately held oil and gas company&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,500&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,500&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Cash surrender value of life insurance contracts&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12,365&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,628&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other investments&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,616&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;682&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total investments&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15,481&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15,810&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Property, Plant and Equipment&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Additions to property, plant and equipment are recorded at cost. Included in the cost of regulated construction projects is AFUDC, when applicable, which represents the approximate composite cost of borrowed funds and a return on equity used to finance a regulated utility project. The following table presents AFUDC amounts (in thousands) for the years ended December 31:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:16.882%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:43.636%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.326%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.326%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.330%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income Statement Location&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;AFUDC Borrowed&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest expense incurred net of amounts capitalized (including amortization of debt issuance costs, premiums and discounts)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,068&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,617&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,556&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;AFUDC Equity&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other income (expense), net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;593&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;318&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;472&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We also capitalize interest, when applicable, on undeveloped leasehold costs and certain non-regulated construction projects. In addition, asset retirement costs associated with tangible long-lived regulated utility assets are recognized as liabilities with an increase to the carrying amounts of the related long-lived regulated utility assets in the period incurred. The amounts capitalized are included in Property, plant and equipment on the accompanying Consolidated Balance Sheets. We also classify our Cushion Gas as property, plant and equipment.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The cost of regulated utility property, plant and equipment retired, or otherwise disposed in the ordinary course of business, less salvage plus retirement costs, is charged to accumulated depreciation. Estimated removal costs related to our regulated properties that do not have legal retirement obligations are reclassified from accumulated depreciation and reflected as regulatory liabilities. Retirement or disposal of all other assets result in gains or losses recognized as a component of operating income. Ordinary repairs and maintenance of property, except as allowed under rate regulations, are charged to operations as incurred.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Depreciation provisions for property, plant and equipment are generally computed on a straight-line basis based on the applicable estimated service life of the various classes of property. The composite depreciation method is applied to regulated utility property. Capitalized mining costs and coal leases are amortized on a unit-of-production method based on volumes produced and estimated reserves. For certain non-regulated power plant components, depreciation is computed on a unit-of-production methodology based on plant hours run.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;See &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_184" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 5&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; for additional information.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Asset Retirement Obligations&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Accounting standards for AROs associated with long-lived assets require that the present value of retirement costs for which we have a legal obligation be recorded as liabilities with an equivalent amount added to the asset cost and depreciated over an appropriate period. The associated ARO accretion expense for our non-regulated operations is included within Depreciation, depletion and amortization on the accompanying Consolidated Statements of Income. The accounting for the obligation for regulated operations has no income statement impact due to the deferral of the adjustments through the establishment of a regulatory asset or a regulatory liability.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We initially record liabilities for the present value of retirement costs for which we have a legal obligation, with an equivalent amount added to the asset cost. The asset is then depreciated or depleted over the appropriate useful life and the liability is accreted over time by applying an interest method of allocation. Any difference in the actual cost of the settlement of the liability and the recorded amount is recognized as a gain or loss in the results of operations at the time of settlement for our non-regulated operations. Additional information is included in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_190" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 7&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Goodwill and Intangible Assets&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Goodwill and intangible assets with indefinite lives are not amortized, but the carrying values are reviewed upon an indicator of impairment or at least annually. Intangible assets with a finite life are amortized over their estimated useful lives.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We perform a goodwill impairment test on an annual basis or upon the occurrence of events or changes in circumstances that indicate that the asset might be impaired.&#160;Our annual goodwill impairment testing date is as of October 1, which aligns our  testing date with our financial planning process.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The Company has determined that the reporting units for its goodwill impairment test are its operating segments, or components of an operating segment.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our goodwill impairment analysis includes an income approach and a market approach to estimate the fair value of our reporting units. This analysis requires the input of several critical assumptions, including future growth rates, cash flow projections, operating cost escalation rates, rates of return, a risk-adjusted discount rate, timing and level of success in regulatory rate proceedings, the cost of debt and equity capital, long-term earnings and merger multiples for comparable companies.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We believe that goodwill reflects the inherent value of the relatively stable, long-lived cash flows of our Utilities businesses, considering the regulatory environment, and the long-lived cash flow and rate base growth opportunities at our Utilities, and those businesses vertically integrated. Goodwill amounts have not changed since 2016. As of December 31, 2021 and 2020, Goodwill balances were as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:41.005%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.198%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.198%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.199%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Goodwill&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;257,244&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,042,210&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,299,454&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our intangible assets represent contract intangibles, easements, rights-of-way, customer listings and trademarks. The finite-lived intangible assets are amortized using a straight-line method based on estimated useful lives; these assets are currently being amortized from 2 years to 40 years. Changes to intangible assets for the years ended December 31, were as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:40.920%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.226%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.226%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.228%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Intangible assets, net, beginning balance&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;11,944&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,266&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;14,337&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization expense &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,174)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,322)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,071)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Intangible assets, net, ending balance&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10,770&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;11,944&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,266&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Amortization expense for existing intangible assets is expected to be $1.2 million for each year of the next five years.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Accrued Liabilities&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following amounts by major classification are included in Accrued liabilities on the accompanying Consolidated Balance Sheets as of December 31 (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:60.763%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:17.968%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:17.969%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accrued employee compensation, benefits and withholdings&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;74,387&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;77,806&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accrued property taxes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;50,874&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;47,105&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Customer deposits and prepayments&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;48,814&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;52,185&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accrued interest&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;33,680&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;31,520&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other (none of which is individually significant)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;37,004&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;34,996&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total accrued liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;244,759&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;243,612&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Fair Value Measurements&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Financial Instruments&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We use the following fair value hierarchy for determining inputs for our financial instruments. Our assets and liabilities for financial instruments are classified and disclosed in one of the following fair value categories:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Level 1&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; &#x2014; Unadjusted quoted prices available in active markets that are accessible at the measurement date for identical unrestricted assets or liabilities. Level 1 instruments primarily consist of highly liquid and actively traded financial instruments with quoted pricing information on an ongoing basis.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Level 2&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; &#x2014; Pricing inputs include quoted prices for identical or similar assets and liabilities in active markets other than quoted prices in Level 1, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability and inputs that are derived principally from or corroborated by observable market data by correlation or other means.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Level 3&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; &#x2014; Pricing inputs are generally less observable from objective sources. These inputs reflect management&#x2019;s best estimate of fair value using its own assumptions about the assumptions a market participant would use in pricing the asset or liability.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. Our assessment of the significance of a particular input to the fair value measurement requires judgment and may affect the placement within the fair value hierarchy levels. We record transfers, if necessary, between levels at the end of the reporting period for all of our financial instruments.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Transfers into Level 3, if any, occur when significant inputs used to value the derivative instruments become less observable, such as a significant decrease in the frequency and volume in which the instrument is traded, negatively impacting the availability of observable pricing inputs. Transfers out of Level 3, if any, occur when the significant inputs become more observable, such as when the time between the valuation date and the delivery date of a transaction becomes shorter, positively impacting the availability of observable pricing inputs.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Valuation Methodologies for Derivatives&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The wholesale electric energy and natural gas commodity contracts for our Utilities are valued using the market approach and include forward strip pricing at liquid delivery points, exchange-traded futures, options, basis swaps and over-the-counter swaps and options (Level 2).  For exchange-traded futures, options and basis swap assets and liabilities, fair value was derived using broker quotes validated by the exchange settlement pricing for the applicable contract. For over-the-counter instruments, the fair value is obtained by utilizing a nationally recognized service that obtains observable inputs to compute the fair value, which we validate by comparing our valuation with the counterparty. The fair value of these swaps includes a CVA based on the credit spreads of the counterparties when we are in an unrealized gain position or on our own credit spread when we are in an unrealized loss position.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Additional information on fair value measurements is included in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_205" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Notes 10&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; and &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_214" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;13&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Derivatives and Hedging Activities&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;All our derivatives are measured at fair value and recognized as either assets or liabilities on the Consolidated Balance Sheets, except for derivative contracts that qualify for and are elected under the normal purchase and normal sales exception. Normal purchases and normal sales are contracts where physical delivery is probable, quantities are expected to be used or sold in the normal course of business over a reasonable amount of time and pricing is clearly and closely related to the asset being purchased or sold.&#160;Normal purchase and sales contracts are recognized when the underlying physical transaction is completed under the accrual basis of accounting.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In addition, certain derivative contracts approved by regulatory authorities are either recovered or refunded through customer rates. Any changes in the fair value of these approved derivative contracts are deferred as a regulatory asset or regulatory liability pursuant to ASC 980, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Regulated Operations&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We also have some derivatives that qualify for hedge accounting and are designated as cash flow hedges. The gain or loss on these designated derivatives is deferred in AOCI and reclassified into earnings when the corresponding hedged transaction is recognized in earnings. Changes in the fair value of all other derivative contracts are recognized in earnings.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We utilize master netting agreements which consist of an agreement between two parties who have multiple contracts with each other that provide for the net settlement of all contracts in the event of default on or termination of any one contract. When the right of offset exists, accounting standards permit the netting of receivables and payables under a legally enforceable master netting agreement between counterparties. Accounting standards also permit offsetting of fair value amounts recognized for the right to reclaim, or the obligation to return, cash collateral against fair value amounts recognized for derivative instruments executed with the same counterparty. We reflect the offsetting of net derivative positions with fair value amounts for cash collateral with the same counterparty when a legal right of offset exists. Therefore, the gross amounts are not indicative of either our actual credit or net economic exposures.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;See additional information in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_202" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Notes 9&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;, &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_205" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;10&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; and &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_208" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;11&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Deferred Financing Costs&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Deferred financing costs include loan origination fees, underwriter fees, legal fees and other costs directly attributable to the issuance of debt. Deferred financing costs are amortized over the estimated useful life of the related debt. These costs are presented on the balance sheet as an adjustment to the related debt liabilities. See additional information in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_196" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 8&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Regulatory Accounting&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our regulated Electric Utilities and Gas Utilities are subject to cost-of-service regulation and earnings oversight from federal and state regulatory commissions. Our Electric and Gas Utilities account for income and expense items in accordance with  accounting standards for regulated operations. These accounting policies differ in some respects from those used by our non-regulated businesses. Under these regulated operations accounting standards:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt"&gt;Certain costs, which would otherwise be charged to expense or OCI, are deferred as regulatory assets based on the expected ability to recover the costs in future rates.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt"&gt;Certain credits, which would otherwise be reflected as income or OCI, are deferred as regulatory liabilities based on the expectation the amounts will be returned to customers in future rates, or because the amounts were collected in rates prior to the costs being incurred.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Management continually assesses the probability of future recoveries and obligations associated with regulatory assets and liabilities. Factors such as the current regulatory environment, recently issued rate orders, and historical precedents are considered. As a result, we believe that the accounting prescribed under rate-based regulation remains appropriate and our regulatory assets are probable of recovery in current rates or in future rate proceedings.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;If changes in the regulatory environment occur, we may no longer be eligible to apply this accounting treatment, and may be required to eliminate regulatory assets and liabilities from our balance sheet. Such changes could adversely affect our results of operations, financial position or cash flows.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;As of December 31, 2021 and 2020, we had total regulatory assets of $797 million and $278 million respectively, and total regulatory liabilities of $503 million and $533 million respectively. See &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_175" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 2&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; for further information.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-right:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Income Taxes&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The Company and its subsidiaries file consolidated federal income tax returns. Each entity records both federal and state income taxes as if it were a separate taxpayer and consolidating expense adjustments are allocated to the subsidiaries based on separate company computations of taxable income or loss.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We use the asset and liability method in accounting for income taxes. Under the asset and liability method, deferred income taxes are recognized at currently enacted income tax rates, to reflect the tax effect of temporary differences between the financial and tax basis of assets and liabilities as well as operating loss and tax credit carryforwards. Such temporary differences are the result of provisions in the income tax law that either require or permit certain items to be reported on the income tax return in a different period than they are reported in the financial statements.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;It is our policy to apply the flow-through method of accounting for ITCs. Under the flow-through method, ITCs are reflected in net income&#160;as a reduction to income tax expense in the year they qualify. An exception to this general policy is the deferral method, which applies to our regulated businesses. Such a method results in the ITC being amortized as a reduction to income tax expense over the estimated useful lives of the underlying property that gave rise to the credit.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We recognize interest income or interest expense and penalties related to income tax matters in Income tax benefit (expense) on the Consolidated Statements of Income.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We account for uncertainty in income taxes recognized in the financial statements in accordance with the accounting standards for income taxes. The unrecognized tax benefit is classified in Other deferred credits and other liabilities or in Deferred income tax liabilities, net on the accompanying Consolidated Balance Sheets.  See &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_220" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 15&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; for additional information.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Earnings per Share of Common Stock&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Basic earnings per share is computed by dividing Net income available for common stock by the weighted average number of common shares outstanding during each year. Diluted earnings per share is computed by including all dilutive common shares outstanding during each year. Diluted common shares are primarily due to equity units, outstanding stock options, restricted stock and performance shares under our equity compensation plans.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;A reconciliation of share amounts used to compute earnings per share is as follows for the years ended December 31 (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:49.483%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.372%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.372%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.373%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;236,744&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;227,608&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;199,310&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted average shares - basic&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;63,219&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;62,378&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60,662&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Dilutive effect of:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Equity compensation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;106&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;61&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;136&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted average shares - diluted&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;63,325&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;62,439&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60,798&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock, per share - Diluted&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.74&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.65&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.28&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following securities were excluded from the diluted earnings per share computation for the years ended December 31 because of their anti-dilutive nature (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:49.483%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.372%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.372%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.373%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Equity compensation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Anti-dilutive shares excluded from computation of earnings per share&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Non-controlling Interests&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We account for changes in our controlling interests of subsidiaries according to ASC 810&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;, Consolidation. &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;ASC 810 requires that the Company record such changes as equity transactions, recording no gain or loss on such a sale. GAAP requires that non-controlling interests in subsidiaries and affiliates be reported in the equity section of a company&#x2019;s balance sheet. In addition, the amounts attributable to the non-controlling interest net income (loss) of those subsidiaries are reported separately in the consolidated statements of income and comprehensive income. See &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_211" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 12&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; for additional detail on non-controlling interests.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Share-Based Compensation&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We account for our share-based compensation arrangements in accordance with ASC 718, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Compensation-Stock Compensation&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;, by recognizing compensation costs for all share-based awards over the respective service period for employee services received in exchange for an award of equity or equity-based compensation. Awards that will be settled in stock are accounted for as equity and the compensation expense is based on the grant date fair value. Awards that are settled in cash are accounted for as liabilities and the compensation expense is re-measured each period based on the current market price and performance achievement measures. See additional information in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_217" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 14&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Recently Issued Accounting Standards&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Facilitation of the Effects of Reference Rate Reform on Financial Reporting, ASU 2020-04&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In March 2020, the FASB issued ASU 2020-04, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;, which was subsequently amended by ASU 2021-01. The standard provides relief for companies preparing for discontinuation of interest rates, such as LIBOR, and allows optional expedients and exceptions for applying GAAP to contracts, hedging relationships and other transactions affected by reference rate reform if certain criteria are met. The amendments in this update are elective and are effective upon the ASU issuance through December 31, 2022. We are currently evaluating if we will apply the optional guidance as we assess the impact of the discontinuance of LIBOR on our current arrangements and the potential impact on our financial position, results of operations and cash flows.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Recently Adopted Accounting Standards&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Simplifying the Accounting for Income Taxes, ASU 2019-12&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In December 2019, the FASB issued ASU 2019-12, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Simplifying the Accounting for Income Taxes&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; as part of its overall simplification initiative to reduce costs and complexity in applying accounting standards while maintaining or improving the usefulness of the information provided to users of the financial statements. Amendments include removal of certain exceptions to the general principles of ASC 740,&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt; Income Taxes&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;, and simplification in several other areas such as accounting for a franchise tax (or similar tax) that is partially based on income. We adopted this standard prospectively on January 1, 2021. Adoption of this standard did not have an impact on our financial position, results of operations or cash flows.&lt;/span&gt;&lt;/div&gt;</us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock>
    <us-gaap:SegmentReportingPolicyPolicyTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODMx_79b52463-e6da-4a82-a0d3-8216701aca6e">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Segment Reporting&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our reportable segments are based on our method of internal reporting, which is generally segregated by differences in products and services. All of our operations and assets are located within the United States.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our Electric Utilities segment includes the operating results of the regulated electric utility operations of Colorado Electric, South Dakota Electric, and Wyoming Electric, which supply regulated electric utility services to areas in Colorado, Montana, South Dakota and Wyoming.  We also own and operate non-regulated power generation and mining businesses that are vertically integrated with our Electric Utilities.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In the fourth quarter of 2021, we integrated our power generation and mining businesses within the Electric Utilities segment. The alignment is consistent with the current way our CODM evaluates the performance of the business and makes decisions related to the allocation of resources. Comparative periods presented reflect this change.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our Gas Utilities segment consists of the operating results of our regulated natural gas utility subsidiaries in Arkansas, Colorado, Iowa, Kansas, Nebraska and Wyoming.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;For further information regarding our segment reporting, see &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_223" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 16&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;</us-gaap:SegmentReportingPolicyPolicyTextBlock>
    <us-gaap:UseOfEstimates
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODYz_6569d320-4314-46c0-8f0c-7150caff4cd0">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Use of Estimates and Basis of Presentation&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of certain assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Changes in facts and circumstances or additional information may result in revised estimates and actual results could differ materially from those estimates.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;COVID-19 Pandemic&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In March 2020, the World Health Organization categorized COVID-19 as a pandemic and the President of the United States declared the outbreak a national emergency. The U.S. government has deemed electric and natural gas utilities to be critical infrastructure sectors that provide essential services during this emergency. As a provider of essential services, the Company has an obligation to provide services to our customers. The Company remains focused on protecting the health of our customers, employees and the communities in which we operate while assuring the continuity of our business operations.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The Company&#x2019;s Consolidated Financial Statements reflect estimates and assumptions made by management that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the Consolidated Financial Statements and reported amounts of revenue and expenses during the reporting periods presented. The Company considered the impacts of COVID-19 on the assumptions and estimates used and determined that, for the years ended December 31, 2021 and 2020, there were no material adverse impacts on the Company&#x2019;s results of operations.&lt;/span&gt;&lt;/div&gt;</us-gaap:UseOfEstimates>
    <us-gaap:ConsolidationPolicyTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODUx_d400fec3-6dc0-4136-9938-16c166b3f1e9">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Principles of Consolidation&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The consolidated financial statements include the accounts of Black Hills Corporation and its wholly-owned and majority-owned and controlled subsidiaries. All intercompany balances and transactions have been eliminated in consolidation. For additional information on intercompany revenues, see &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_223" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 16&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our Consolidated Statements of Income include operating activity of acquired companies beginning with their acquisition date.  We use the proportionate consolidation method to account for our ownership interest in any jointly-owned electric utility generation facility, wind farm or transmission tie. See &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_187" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 6&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; for additional information.&lt;/span&gt;&lt;/div&gt;</us-gaap:ConsolidationPolicyTextBlock>
    <us-gaap:ConsolidationVariableInterestEntityPolicy
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODY5_b6afc263-c7bc-4767-8ab1-c58e465c302e">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Variable Interest Entities&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We evaluate arrangements and contracts with other entities to determine if they are VIEs and if we are the primary beneficiary.  GAAP provides a framework for identifying VIEs and determining when a company should include the assets, liabilities, non-controlling interest and results of activities of a VIE in its consolidated financial statements.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;A VIE should be consolidated if a party with an ownership, contractual or other financial interest in the VIE (a variable interest holder) has the power to direct the VIE&#x2019;s most significant activities and the obligation to absorb losses or right to receive benefits of the VIE that could be significant to the VIE. A variable interest holder that consolidates the VIE is called the primary beneficiary. Upon consolidation, the primary beneficiary generally must initially record all of the VIE&#x2019;s assets, liabilities and non-controlling interests at fair value and subsequently account for the VIE as if it were consolidated.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our evaluation of whether our interest qualifies as the primary beneficiary of a VIE involves significant judgments, estimates and assumptions and includes a qualitative analysis of the activities that most significantly impact the VIE&#x2019;s economic performance and whether the Company has the power to direct those activities, the design of the entity, the rights of the parties and the purpose of the arrangement. Black Hills Colorado IPP is a VIE. See additional information in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_211" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 12&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;</us-gaap:ConsolidationVariableInterestEntityPolicy>
    <us-gaap:CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTQ2_e2c47875-2104-42e7-98cb-bd40aecf8cb2">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Cash, Cash Equivalents and Restricted Cash&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We consider all highly liquid investments with an original maturity of three months or less to be cash and cash equivalents. We maintain cash accounts for various specified purposes, which are classified as restricted cash.&lt;/span&gt;&lt;/div&gt;</us-gaap:CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy>
    <us-gaap:RevenueFromContractWithCustomerPolicyTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzYwNDczMTQwMzEzNDI_8abab9b3-fe45-48db-b263-36ca4e1c29ad">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Revenue Recognition&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our revenue contracts generally provide for performance obligations that are fulfilled and transfer control to customers over time, represent a series of distinct services that are substantially the same, involve the same pattern of transfer to the customer and provide a right to consideration from our customers in an amount that corresponds directly with the value to the customer for the performance completed to date. Therefore, we recognize revenue in the amount to which we have a right to invoice. Our primary types of revenue contracts are:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline"&gt;Regulated natural gas and electric utility services tariffs&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; - Our Utilities have regulated operations, as defined by ASC 980, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Regulated Operations, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;that provide services to regulated customers under tariff rates, charges, terms and conditions of service and prices determined by the jurisdictional regulators designated for our service territories. Our regulated services primarily encompass single performance obligations for delivery of either commodity natural gas, commodity electricity, natural gas transportation or electric transmission services. These service revenues are variable based on quantities delivered, influenced by seasonal business and weather patterns. Tariffs are only permitted to be changed through a rate-setting process involving the state or federal regulatory commissions to establish contractual rates between the utility and its customers. All of our Utilities&#x2019; regulated sales are subject to regulatory-approved tariffs.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline"&gt;Power sales agreements&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; - Our Electric Utilities segment has long-term wholesale power sales agreements with other load-serving entities, including affiliates, for the sale of excess power from owned generating units. These agreements include a combination of &#x201c;take or pay&#x201d; arrangements, where the customer is obligated to pay for the energy regardless of whether it actually takes delivery, as well as &#x201c;requirements only&#x201d; arrangements, where the customer is only obligated to pay for the energy the customer needs. In addition to these long-term contracts, we also sell excess energy to other load-serving entities on a short-term basis. The pricing for all of these arrangements is included in the executed contracts or confirmations, reflecting the standalone selling price and is variable based on energy delivered. Certain energy sale and purchase transactions with the same counterparty and at the same delivery point are netted to reflect the economic substance of the arrangement.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline"&gt;Coal supply agreements&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; - Our WRDC mine sells coal primarily under long-term contracts to affiliates for use at their generation facilities. The contracts include a single promise to supply coal necessary to fuel the customers&#x2019; facilities during the contract term. The transaction price is established in the supply agreements, including cost-based agreements with the affiliated regulated utilities, and is variable based on tons delivered.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt;text-decoration:underline"&gt;Other non-regulated services&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; - Our Utilities segments also provide non-regulated services primarily comprised of appliance repair service and protection plans, electric and natural gas technical infrastructure construction and maintenance services, and in Nebraska and Wyoming, an unbundled natural gas commodity offering under the regulatory-approved Choice Gas Program. Revenue contracts for these services generally represent a single performance obligation with the price reflecting the standalone selling price stated in the agreement and a variable revenue based on the units delivered or services provided.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The majority of our revenue contracts are based on variable quantities delivered. Any fixed consideration contracts with an expected duration of one year or more are immaterial to our consolidated revenues. Variable consideration constraints in the form of discounts, rebates, credits, price concessions, incentives, performance bonuses, penalties or other similar items are not material for our revenue contracts. We are the principal in our revenue contracts, as we have control over the services prior to those services being transferred to the customer.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:10pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Revenue Not in Scope of ASC 606&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Other revenues included in the tables in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_181" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 4&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; include our revenue accounted for under separate accounting guidance, including lease revenue under ASC 842, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Leases, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;derivative revenue under ASC 815, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Derivatives and Hedging,&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; and alternative revenue programs revenue under ASC 980, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Regulated Operations&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:10pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Significant Judgments and Estimates&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Unbilled Revenue&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;To the extent that deliveries have occurred but a bill has not been issued, our Utilities accrue an estimate of the revenue since the latest billing. This estimate is calculated based upon several factors including billings through the last billing cycle in a month and prices in effect in our jurisdictions. Each month, the estimated unbilled revenue amounts are trued-up and recorded in Accounts receivable, net on the accompanying Consolidated Balance Sheets.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Contract Balances&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The nature of our primary revenue contracts provides an unconditional right to consideration upon service delivery; therefore, no customer contract assets or liabilities exist. The unconditional right to consideration is represented by the balance in our Accounts receivable, which is further discussed below.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Additional information is included in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_181" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 4&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;</us-gaap:RevenueFromContractWithCustomerPolicyTextBlock>
    <us-gaap:TradeAndOtherAccountsReceivablePolicy
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1Nzk2_e22f17c5-6626-4eb3-a029-d350eea750d8">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Accounts Receivable and Allowance for Credit Losses&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:10pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Accounts receivable for our Electric and Gas Utilities business segments primarily consists of sales to residential, commercial, industrial, transportation and other customers, all of which do not bear interest. These accounts receivable are stated at billed and estimated unbilled amounts, net of allowance for credit losses. Accounts receivable for our power generation and mining businesses consists of amounts due from sales of electric energy and capacity and coal primarily to affiliates or regional utilities.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We maintain an allowance for credit losses which reflects our estimate of uncollectible trade receivables. We regularly review our trade receivable allowance by considering such factors as historical experience, credit worthiness, the age of the receivable balances and current economic conditions that may affect collectability.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:10pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In specific cases where we are aware of a customer&#x2019;s inability or reluctance to pay, we record an allowance for credit losses to reduce the net receivable balance to the amount we reasonably expect to collect. However, if circumstances change, our estimate of the recoverability of accounts receivable could be affected. Circumstances which could affect our estimates include, but are not limited to, customer credit issues, expected losses, the level of commodity prices, customer deposits and general economic conditions. Accounts are written off once they are deemed to be uncollectible or the time allowed for dispute under the contract has expired.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:10pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We utilize master netting agreements which consist of an agreement between two parties who have multiple contracts with each other that provide for the net settlement of all contracts in the event of default on or termination of any one contract. When the right of offset exists, accounting standards permit the netting of receivables and payables under a legally enforceable master netting agreement between counterparties. Accounting standards also permit offsetting of fair value amounts recognized for the right to reclaim, or the obligation to return, cash collateral against fair value amounts recognized for derivative instruments executed with the same counterparty.&lt;/span&gt;&lt;/div&gt;</us-gaap:TradeAndOtherAccountsReceivablePolicy>
    <us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1NzI2_f8b84e56-c7b3-4416-9346-345b849594a9">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Following is a summary of accounts receivable as of December 31 (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:60.595%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.052%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.053%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Billed Accounts Receivable&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;181,027&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;146,899&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Unbilled Revenue&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;142,738&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;126,065&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less Allowance for Credit Losses&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,113)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(7,003)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accounts Receivable, net&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;321,652&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;265,961&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock>
    <us-gaap:AccountsReceivableGrossCurrent
      contextRef="idfe22db40e7a4c98a2a75c8eb2ad6cc2_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpjMGRlZmM4YWE5NzA0Nzc2OTFlNmM4MjY5N2ZkYzhjMy90YWJsZXJhbmdlOmMwZGVmYzhhYTk3MDQ3NzY5MWU2YzgyNjk3ZmRjOGMzXzEtMS0xLTEtNjE3NDk_4998330f-36db-4c18-80d8-e989dae80a15"
      unitRef="usd">181027000</us-gaap:AccountsReceivableGrossCurrent>
    <us-gaap:AccountsReceivableGrossCurrent
      contextRef="ib99f42eccf50414aa6a7ce8ff997b8de_I20201231"
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      unitRef="usd">146899000</us-gaap:AccountsReceivableGrossCurrent>
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      unitRef="usd">142738000</us-gaap:AccountsReceivableGrossCurrent>
    <us-gaap:AccountsReceivableGrossCurrent
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      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpjMGRlZmM4YWE5NzA0Nzc2OTFlNmM4MjY5N2ZkYzhjMy90YWJsZXJhbmdlOmMwZGVmYzhhYTk3MDQ3NzY5MWU2YzgyNjk3ZmRjOGMzXzItMi0xLTEtNjE4MDg_b8671ffb-b8c5-47b3-8a8e-af6b6f35478f"
      unitRef="usd">126065000</us-gaap:AccountsReceivableGrossCurrent>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
      contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpjMGRlZmM4YWE5NzA0Nzc2OTFlNmM4MjY5N2ZkYzhjMy90YWJsZXJhbmdlOmMwZGVmYzhhYTk3MDQ3NzY5MWU2YzgyNjk3ZmRjOGMzXzMtMS0xLTEtNjE3NjM_8e18e3d4-bcdc-4930-89ab-d72bee193b93"
      unitRef="usd">2113000</us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
      contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpjMGRlZmM4YWE5NzA0Nzc2OTFlNmM4MjY5N2ZkYzhjMy90YWJsZXJhbmdlOmMwZGVmYzhhYTk3MDQ3NzY5MWU2YzgyNjk3ZmRjOGMzXzMtMi0xLTEtNjE4MTU_585b7ade-e622-4c1e-adf2-929dd8b1b464"
      unitRef="usd">7003000</us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent>
    <us-gaap:AccountsReceivableNetCurrent
      contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpjMGRlZmM4YWE5NzA0Nzc2OTFlNmM4MjY5N2ZkYzhjMy90YWJsZXJhbmdlOmMwZGVmYzhhYTk3MDQ3NzY5MWU2YzgyNjk3ZmRjOGMzXzQtMS0xLTEtNjE3NzQ_89284b60-d666-43af-ac85-36fa93cbe486"
      unitRef="usd">321652000</us-gaap:AccountsReceivableNetCurrent>
    <us-gaap:AccountsReceivableNetCurrent
      contextRef="i6eb610a2799f49969936bfd7bca298cb_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpjMGRlZmM4YWE5NzA0Nzc2OTFlNmM4MjY5N2ZkYzhjMy90YWJsZXJhbmdlOmMwZGVmYzhhYTk3MDQ3NzY5MWU2YzgyNjk3ZmRjOGMzXzQtMi0xLTEtNjE4MjI_74f97450-eed1-462c-aca9-87e0faaa9271"
      unitRef="usd">265961000</us-gaap:AccountsReceivableNetCurrent>
    <us-gaap:ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTgz_7eb16a83-5ba0-4318-86e7-78d16f982dd6">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Changes to allowance for credit losses for the years ended December 31, were as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:16.443%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.250%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.250%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:2.577%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.250%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.250%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.260%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Balance at Beginning of Year&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Additions Charged to Costs and Expenses&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Recoveries and Other Additions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Write-offs and Other Deductions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Balance at End of Year&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,003&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,444&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,560&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(10,894)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,113&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,444&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,927&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,728&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(9,096)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,003&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,209&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,795&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,942&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(10,502)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,444&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;_________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Due to the COVID-19 pandemic, all of our jurisdictions temporarily suspended disconnections due to non-payment for a period of time, which increased our accounts receivable arrears balances. As a result, we increased our allowance for credit losses and bad debt expense for the year ended December 31, 2020 by an incremental $3.3&#160;million. All jurisdiction disconnect moratoriums ended on or before May 3, 2021.&lt;/span&gt;&lt;/div&gt;</us-gaap:ScheduleOfCreditLossesForFinancingReceivablesCurrentTableTextBlock>
    <us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
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style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,531&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Natural gas in storage &lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;63,312&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,619&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total materials, supplies and fuel&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;150,979&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;117,400&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Materials and supplies represent parts and supplies for business segments. Fuel represents diesel oil and gas used by our Electric Utilities to produce power. Natural gas in storage primarily represents gas purchased for use by our gas customers.  All of our Materials, supplies and fuel are recorded using the weighted-average cost method and are valued at the lower-of-cost or net realizable value. The value of our natural gas in storage fluctuates with seasonal volume requirements of our business and the commodity price of natural gas.&lt;/span&gt;&lt;/div&gt;</us-gaap:InventoryPolicyTextBlock>
    <us-gaap:ScheduleOfInventoryCurrentTableTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1NzQ5_63d24e5d-4d15-4708-8cf1-b25c55709508">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following amounts by major classification are included in Materials, supplies and fuel on the accompanying Consolidated Balance Sheets as of December 31 (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:60.595%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.052%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.053%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Materials and supplies&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;86,400&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;85,250&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fuel&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,267&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,531&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Natural gas in storage &lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;63,312&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,619&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total materials, supplies and fuel&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;150,979&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;117,400&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfInventoryCurrentTableTextBlock>
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      unitRef="usd">86400000</us-gaap:InventoryRawMaterialsAndSupplies>
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      unitRef="usd">85250000</us-gaap:InventoryRawMaterialsAndSupplies>
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      unitRef="usd">1267000</us-gaap:EnergyRelatedInventoryOtherFossilFuel>
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      unitRef="usd">1531000</us-gaap:EnergyRelatedInventoryOtherFossilFuel>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTpiNWY1Yjg1ZjRiMjU0ODRiYjc2Y2UyYzA1ZjI1N2E1MS90YWJsZXJhbmdlOmI1ZjViODVmNGIyNTQ4NGJiNzZjZTJjMDVmMjU3YTUxXzMtMS0xLTEtMA_8b3ceef6-86e7-4975-8926-d41d9d94757f"
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      unitRef="usd">30619000</us-gaap:EnergyRelatedInventoryNaturalGasInStorage>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTU2_2bd7994a-3333-491a-ac1d-81ff6df6ec3a">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Investments &lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In February 2018, we made a contribution of $28 million of assets in exchange for equity securities in a privately held oil and gas company as we divested of our Oil and Gas segment. The carrying value of our investment in the equity securities was recorded at cost. We review this investment on a periodic basis to determine whether a significant event or change in circumstances has occurred that may have an adverse effect on the value of the investment.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;During the third quarter of 2019, we assessed our investment for impairment as a result of a deterioration in earnings performance of the privately held oil and gas company and an adverse change in future natural gas prices. Based on the estimated fair value of our investment, we concluded that the carrying value of the investment exceeded fair value.  As a result, we recorded a pre-tax impairment loss of $20 million for the three months ended September 30, 2019, which was the difference between the carrying amount and the fair value of the investment at that time.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;During the first quarter of 2020, we assessed our investment for impairment as a result of continued adverse changes in future natural gas prices and liquidity concerns at the privately held oil and gas company. Based on the estimated fair value of our investment, we concluded that the carrying value of the investment exceeded fair value. As a result, we recorded a pre-tax impairment loss of $6.9&#160;million for the three months ended March 31, 2020, which was the difference between the carrying value and the fair value of the investment at that time.&lt;/span&gt;&lt;/div&gt;</us-gaap:InvestmentPolicyTextBlock>
    <bkh:AssetsUsedtoAcquireOtherInvestments
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    <us-gaap:InvestmentTableTextBlock
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTc0_af463587-6c9d-4c34-a2c6-e58a524bb1cf">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following table presents the carrying value of our investments (in thousands), which are included in Other assets, non-current on the Consolidated Balance Sheets, as of December 31:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:60.595%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.052%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.053%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Investment in privately held oil and gas company&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,500&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,500&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Cash surrender value of life insurance contracts&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12,365&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,628&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other investments&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,616&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;682&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total investments&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15,481&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15,810&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:InvestmentTableTextBlock>
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The following table presents AFUDC amounts (in thousands) for the years ended December 31:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:16.882%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:43.636%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.326%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.326%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.330%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income Statement Location&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;AFUDC Borrowed&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest expense incurred net of amounts capitalized (including amortization of debt issuance costs, premiums and discounts)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,068&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,617&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,556&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;AFUDC Equity&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other income (expense), net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;593&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;318&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;472&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We also capitalize interest, when applicable, on undeveloped leasehold costs and certain non-regulated construction projects. In addition, asset retirement costs associated with tangible long-lived regulated utility assets are recognized as liabilities with an increase to the carrying amounts of the related long-lived regulated utility assets in the period incurred. The amounts capitalized are included in Property, plant and equipment on the accompanying Consolidated Balance Sheets. We also classify our Cushion Gas as property, plant and equipment.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The cost of regulated utility property, plant and equipment retired, or otherwise disposed in the ordinary course of business, less salvage plus retirement costs, is charged to accumulated depreciation. Estimated removal costs related to our regulated properties that do not have legal retirement obligations are reclassified from accumulated depreciation and reflected as regulatory liabilities. Retirement or disposal of all other assets result in gains or losses recognized as a component of operating income. Ordinary repairs and maintenance of property, except as allowed under rate regulations, are charged to operations as incurred.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Depreciation provisions for property, plant and equipment are generally computed on a straight-line basis based on the applicable estimated service life of the various classes of property. The composite depreciation method is applied to regulated utility property. Capitalized mining costs and coal leases are amortized on a unit-of-production method based on volumes produced and estimated reserves. For certain non-regulated power plant components, depreciation is computed on a unit-of-production methodology based on plant hours run.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;See &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_184" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 5&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; for additional information.&lt;/span&gt;&lt;/div&gt;</us-gaap:PropertyPlantAndEquipmentPolicyTextBlock>
    <us-gaap:PublicUtilitiesGeneralDisclosuresTableTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzYwNDczMTQwMzEzNDA_8129b20a-6a96-4a98-893d-f80d32ef65db">The following table presents AFUDC amounts (in thousands) for the years ended December 31:&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:16.882%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:43.636%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.326%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.326%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.330%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income Statement Location&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;AFUDC Borrowed&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest expense incurred net of amounts capitalized (including amortization of debt issuance costs, premiums and discounts)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,068&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,617&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,556&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;AFUDC Equity&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other income (expense), net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;593&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;318&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;472&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:PublicUtilitiesGeneralDisclosuresTableTextBlock>
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    <us-gaap:AssetRetirementObligationsPolicy
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODY1_96562f41-d10a-482d-9ff5-d82b14e7c3e0">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Asset Retirement Obligations&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Accounting standards for AROs associated with long-lived assets require that the present value of retirement costs for which we have a legal obligation be recorded as liabilities with an equivalent amount added to the asset cost and depreciated over an appropriate period. The associated ARO accretion expense for our non-regulated operations is included within Depreciation, depletion and amortization on the accompanying Consolidated Statements of Income. The accounting for the obligation for regulated operations has no income statement impact due to the deferral of the adjustments through the establishment of a regulatory asset or a regulatory liability.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We initially record liabilities for the present value of retirement costs for which we have a legal obligation, with an equivalent amount added to the asset cost. The asset is then depreciated or depleted over the appropriate useful life and the liability is accreted over time by applying an interest method of allocation. Any difference in the actual cost of the settlement of the liability and the recorded amount is recognized as a gain or loss in the results of operations at the time of settlement for our non-regulated operations. Additional information is included in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_190" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 7&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;</us-gaap:AssetRetirementObligationsPolicy>
    <us-gaap:GoodwillAndIntangibleAssetsPolicyTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODk2_83fe1aa5-392f-4914-b8bc-9876ef5cb084">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Goodwill and Intangible Assets&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Goodwill and intangible assets with indefinite lives are not amortized, but the carrying values are reviewed upon an indicator of impairment or at least annually. Intangible assets with a finite life are amortized over their estimated useful lives.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We perform a goodwill impairment test on an annual basis or upon the occurrence of events or changes in circumstances that indicate that the asset might be impaired.&#160;Our annual goodwill impairment testing date is as of October 1, which aligns our  testing date with our financial planning process.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The Company has determined that the reporting units for its goodwill impairment test are its operating segments, or components of an operating segment.&lt;/span&gt;&lt;/div&gt;Our goodwill impairment analysis includes an income approach and a market approach to estimate the fair value of our reporting units. This analysis requires the input of several critical assumptions, including future growth rates, cash flow projections, operating cost escalation rates, rates of return, a risk-adjusted discount rate, timing and level of success in regulatory rate proceedings, the cost of debt and equity capital, long-term earnings and merger multiples for comparable companies.We believe that goodwill reflects the inherent value of the relatively stable, long-lived cash flows of our Utilities businesses, considering the regulatory environment, and the long-lived cash flow and rate base growth opportunities at our Utilities, and those businesses vertically integrated. Goodwill amounts have not changed since 2016.Our intangible assets represent contract intangibles, easements, rights-of-way, customer listings and trademarks. The finite-lived intangible assets are amortized using a straight-line method based on estimated useful lives; these assets are currently being amortized from 2 years to 40 years.</us-gaap:GoodwillAndIntangibleAssetsPolicyTextBlock>
    <us-gaap:ScheduleOfGoodwillTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTY0_59451bd9-1b30-4214-b9bd-fe75566b0824">As of December 31, 2021 and 2020, Goodwill balances were as follows (in thousands):&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:41.005%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.198%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.198%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.199%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Goodwill&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;257,244&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,042,210&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,299,454&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:ScheduleOfGoodwillTextBlock>
    <us-gaap:Goodwill
      contextRef="i0609557764b044beb7a87ead1635f403_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTo2MGVkZjYxYjdmZWE0NGMwODliNzBmYTAzYWVkYWMwMS90YWJsZXJhbmdlOjYwZWRmNjFiN2ZlYTQ0YzA4OWI3MGZhMDNhZWRhYzAxXzUtMS0xLTEtMA_745079b4-a025-4b4d-9051-ca0ac3aa93b6"
      unitRef="usd">257244000</us-gaap:Goodwill>
    <us-gaap:Goodwill
      contextRef="i08c3f7d9b1e746b68627255476884949_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTo2MGVkZjYxYjdmZWE0NGMwODliNzBmYTAzYWVkYWMwMS90YWJsZXJhbmdlOjYwZWRmNjFiN2ZlYTQ0YzA4OWI3MGZhMDNhZWRhYzAxXzUtMi0xLTEtMA_eb91f044-7e0e-4d81-837d-9db9ef0d1d3b"
      unitRef="usd">1042210000</us-gaap:Goodwill>
    <us-gaap:Goodwill
      contextRef="i82468126279248cbbd0b87e9c6f47b99_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTo2MGVkZjYxYjdmZWE0NGMwODliNzBmYTAzYWVkYWMwMS90YWJsZXJhbmdlOjYwZWRmNjFiN2ZlYTQ0YzA4OWI3MGZhMDNhZWRhYzAxXzUtNC0xLTEtMA_9c2d5048-2d95-4b3d-b607-8e137fe4904d"
      unitRef="usd">1299454000</us-gaap:Goodwill>
    <us-gaap:FiniteLivedIntangibleAssetUsefulLife
      contextRef="ie6cefe6b86914f10ab70d9ed5404fccc_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzE4MDY3_fbf7b786-2904-40dd-9ab2-d5f31ca3f39b">P2Y</us-gaap:FiniteLivedIntangibleAssetUsefulLife>
    <us-gaap:FiniteLivedIntangibleAssetUsefulLife
      contextRef="i95c1e68a685b405096d1800124865eb2_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzE4MDcz_34553c73-e04c-4a83-9b5c-d4e9c853f5a4">P40Y</us-gaap:FiniteLivedIntangibleAssetUsefulLife>
    <us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODAy_63e4d086-c4d5-4348-b15b-5641130867e6">Changes to intangible assets for the years ended December 31, were as follows (in thousands):&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:40.920%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.226%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.226%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.228%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Intangible assets, net, beginning balance&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;11,944&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,266&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;14,337&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization expense &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,174)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,322)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,071)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Intangible assets, net, ending balance&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10,770&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,266&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Amortization expense for existing intangible assets is expected to be $1.2 million for each year of the next five years.&lt;/span&gt;&lt;/div&gt;</us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock>
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style="width:1.0%"/&gt;&lt;td style="width:17.969%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accrued employee compensation, benefits and withholdings&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;74,387&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;77,806&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accrued property taxes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;50,874&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;47,105&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Customer deposits and prepayments&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;48,814&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;52,185&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accrued interest&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;33,680&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;31,520&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other (none of which is individually significant)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;37,004&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;34,996&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total accrued liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;244,759&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span 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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTAw_014c1c4e-91a8-4bd2-9f4b-7f2f99feb1b4">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Fair Value Measurements&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Financial Instruments&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We use the following fair value hierarchy for determining inputs for our financial instruments. Our assets and liabilities for financial instruments are classified and disclosed in one of the following fair value categories:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Level 1&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; &#x2014; Unadjusted quoted prices available in active markets that are accessible at the measurement date for identical unrestricted assets or liabilities. Level 1 instruments primarily consist of highly liquid and actively traded financial instruments with quoted pricing information on an ongoing basis.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Level 2&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; &#x2014; Pricing inputs include quoted prices for identical or similar assets and liabilities in active markets other than quoted prices in Level 1, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability and inputs that are derived principally from or corroborated by observable market data by correlation or other means.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Level 3&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; &#x2014; Pricing inputs are generally less observable from objective sources. These inputs reflect management&#x2019;s best estimate of fair value using its own assumptions about the assumptions a market participant would use in pricing the asset or liability.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Assets and liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. Our assessment of the significance of a particular input to the fair value measurement requires judgment and may affect the placement within the fair value hierarchy levels. We record transfers, if necessary, between levels at the end of the reporting period for all of our financial instruments.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Transfers into Level 3, if any, occur when significant inputs used to value the derivative instruments become less observable, such as a significant decrease in the frequency and volume in which the instrument is traded, negatively impacting the availability of observable pricing inputs. Transfers out of Level 3, if any, occur when the significant inputs become more observable, such as when the time between the valuation date and the delivery date of a transaction becomes shorter, positively impacting the availability of observable pricing inputs.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Valuation Methodologies for Derivatives&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The wholesale electric energy and natural gas commodity contracts for our Utilities are valued using the market approach and include forward strip pricing at liquid delivery points, exchange-traded futures, options, basis swaps and over-the-counter swaps and options (Level 2).  For exchange-traded futures, options and basis swap assets and liabilities, fair value was derived using broker quotes validated by the exchange settlement pricing for the applicable contract. For over-the-counter instruments, the fair value is obtained by utilizing a nationally recognized service that obtains observable inputs to compute the fair value, which we validate by comparing our valuation with the counterparty. The fair value of these swaps includes a CVA based on the credit spreads of the counterparties when we are in an unrealized gain position or on our own credit spread when we are in an unrealized loss position.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Additional information on fair value measurements is included in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_205" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Notes 10&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; and &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_214" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;13&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;</us-gaap:FairValueOfFinancialInstrumentsPolicy>
    <us-gaap:DerivativesPolicyTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODI0_f174f139-5377-4f02-bd17-05b66a7b74ea">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Derivatives and Hedging Activities&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;All our derivatives are measured at fair value and recognized as either assets or liabilities on the Consolidated Balance Sheets, except for derivative contracts that qualify for and are elected under the normal purchase and normal sales exception. Normal purchases and normal sales are contracts where physical delivery is probable, quantities are expected to be used or sold in the normal course of business over a reasonable amount of time and pricing is clearly and closely related to the asset being purchased or sold.&#160;Normal purchase and sales contracts are recognized when the underlying physical transaction is completed under the accrual basis of accounting.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In addition, certain derivative contracts approved by regulatory authorities are either recovered or refunded through customer rates. Any changes in the fair value of these approved derivative contracts are deferred as a regulatory asset or regulatory liability pursuant to ASC 980, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Regulated Operations&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We also have some derivatives that qualify for hedge accounting and are designated as cash flow hedges. The gain or loss on these designated derivatives is deferred in AOCI and reclassified into earnings when the corresponding hedged transaction is recognized in earnings. Changes in the fair value of all other derivative contracts are recognized in earnings.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We utilize master netting agreements which consist of an agreement between two parties who have multiple contracts with each other that provide for the net settlement of all contracts in the event of default on or termination of any one contract. When the right of offset exists, accounting standards permit the netting of receivables and payables under a legally enforceable master netting agreement between counterparties. Accounting standards also permit offsetting of fair value amounts recognized for the right to reclaim, or the obligation to return, cash collateral against fair value amounts recognized for derivative instruments executed with the same counterparty. We reflect the offsetting of net derivative positions with fair value amounts for cash collateral with the same counterparty when a legal right of offset exists. Therefore, the gross amounts are not indicative of either our actual credit or net economic exposures.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;See additional information in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_202" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Notes 9&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;, &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_205" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;10&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; and &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_208" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;11&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;</us-gaap:DerivativesPolicyTextBlock>
    <us-gaap:DebtPolicyTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODM3_2e168d38-b1a1-4a12-96f4-7f20e0f31816">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Deferred Financing Costs&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Deferred financing costs include loan origination fees, underwriter fees, legal fees and other costs directly attributable to the issuance of debt. Deferred financing costs are amortized over the estimated useful life of the related debt. These costs are presented on the balance sheet as an adjustment to the related debt liabilities. See additional information in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_196" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 8&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;</us-gaap:DebtPolicyTextBlock>
    <us-gaap:PublicUtilitiesPolicyTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1NzI1_0afdfd15-366c-4d49-bb21-92c99cd2794d">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Regulatory Accounting&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our regulated Electric Utilities and Gas Utilities are subject to cost-of-service regulation and earnings oversight from federal and state regulatory commissions. Our Electric and Gas Utilities account for income and expense items in accordance with  accounting standards for regulated operations. These accounting policies differ in some respects from those used by our non-regulated businesses. Under these regulated operations accounting standards:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt"&gt;Certain costs, which would otherwise be charged to expense or OCI, are deferred as regulatory assets based on the expected ability to recover the costs in future rates.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt"&gt;Certain credits, which would otherwise be reflected as income or OCI, are deferred as regulatory liabilities based on the expectation the amounts will be returned to customers in future rates, or because the amounts were collected in rates prior to the costs being incurred.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Management continually assesses the probability of future recoveries and obligations associated with regulatory assets and liabilities. Factors such as the current regulatory environment, recently issued rate orders, and historical precedents are considered. As a result, we believe that the accounting prescribed under rate-based regulation remains appropriate and our regulatory assets are probable of recovery in current rates or in future rate proceedings.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;If changes in the regulatory environment occur, we may no longer be eligible to apply this accounting treatment, and may be required to eliminate regulatory assets and liabilities from our balance sheet. Such changes could adversely affect our results of operations, financial position or cash flows.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;As of December 31, 2021 and 2020, we had total regulatory assets of $797 million and $278 million respectively, and total regulatory liabilities of $503 million and $533 million respectively. See &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_175" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 2&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; for further information.&lt;/span&gt;&lt;/div&gt;</us-gaap:PublicUtilitiesPolicyTextBlock>
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    <us-gaap:IncomeTaxPolicyTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODEx_9e68959b-b846-4727-b971-eb3755b3ba00">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Income Taxes&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The Company and its subsidiaries file consolidated federal income tax returns. Each entity records both federal and state income taxes as if it were a separate taxpayer and consolidating expense adjustments are allocated to the subsidiaries based on separate company computations of taxable income or loss.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We use the asset and liability method in accounting for income taxes. Under the asset and liability method, deferred income taxes are recognized at currently enacted income tax rates, to reflect the tax effect of temporary differences between the financial and tax basis of assets and liabilities as well as operating loss and tax credit carryforwards. Such temporary differences are the result of provisions in the income tax law that either require or permit certain items to be reported on the income tax return in a different period than they are reported in the financial statements.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;It is our policy to apply the flow-through method of accounting for ITCs. Under the flow-through method, ITCs are reflected in net income&#160;as a reduction to income tax expense in the year they qualify. An exception to this general policy is the deferral method, which applies to our regulated businesses. Such a method results in the ITC being amortized as a reduction to income tax expense over the estimated useful lives of the underlying property that gave rise to the credit.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We recognize interest income or interest expense and penalties related to income tax matters in Income tax benefit (expense) on the Consolidated Statements of Income.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We account for uncertainty in income taxes recognized in the financial statements in accordance with the accounting standards for income taxes. The unrecognized tax benefit is classified in Other deferred credits and other liabilities or in Deferred income tax liabilities, net on the accompanying Consolidated Balance Sheets.  See &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_220" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 15&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; for additional information.&lt;/span&gt;&lt;/div&gt;</us-gaap:IncomeTaxPolicyTextBlock>
    <us-gaap:EarningsPerSharePolicyTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODA1_78e98f9b-cb8e-4da6-8647-55163535a617">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Earnings per Share of Common Stock&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Basic earnings per share is computed by dividing Net income available for common stock by the weighted average number of common shares outstanding during each year. Diluted earnings per share is computed by including all dilutive common shares outstanding during each year. Diluted common shares are primarily due to equity units, outstanding stock options, restricted stock and performance shares under our equity compensation plans.&lt;/span&gt;&lt;/div&gt;</us-gaap:EarningsPerSharePolicyTextBlock>
    <us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTYw_94a602d6-c52d-4e4d-8823-00daf08458c6">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;A reconciliation of share amounts used to compute earnings per share is as follows for the years ended December 31 (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:49.483%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.372%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.372%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.373%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;236,744&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;227,608&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;199,310&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted average shares - basic&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;63,219&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;62,378&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60,662&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Dilutive effect of:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Equity compensation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;106&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;61&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;136&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted average shares - diluted&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;63,325&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;62,439&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60,798&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net income available for common stock, per share - Diluted&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.74&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.65&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.28&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock>
    <us-gaap:NetIncomeLoss
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTplMTViNWZkMzg0YjY0YTQ4ODdiZWQ4NGUyNTE4ZGJjNy90YWJsZXJhbmdlOmUxNWI1ZmQzODRiNjRhNDg4N2JlZDg0ZTI1MThkYmM3XzItMS0xLTEtMA_c0ca1991-1397-4cfa-b0f3-6e986ea070e3"
      unitRef="usd">236744000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
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      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTplMTViNWZkMzg0YjY0YTQ4ODdiZWQ4NGUyNTE4ZGJjNy90YWJsZXJhbmdlOmUxNWI1ZmQzODRiNjRhNDg4N2JlZDg0ZTI1MThkYmM3XzItMi0xLTEtMA_2023935a-f223-40dd-8c84-5e6bb56d6353"
      unitRef="usd">227608000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTplMTViNWZkMzg0YjY0YTQ4ODdiZWQ4NGUyNTE4ZGJjNy90YWJsZXJhbmdlOmUxNWI1ZmQzODRiNjRhNDg4N2JlZDg0ZTI1MThkYmM3XzItMy0xLTEtMA_862b304a-28b9-420b-86d1-2fbbbc836189"
      unitRef="usd">199310000</us-gaap:NetIncomeLoss>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      decimals="-3"
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    <us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1OTIy_5a485cab-3cdb-4bba-9d5d-4514b3016e0d">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following securities were excluded from the diluted earnings per share computation for the years ended December 31 because of their anti-dilutive nature (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:49.483%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.372%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.372%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.373%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Equity compensation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Anti-dilutive shares excluded from computation of earnings per share&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTo4ZWM1ZWM1ODUzZTE0NDIyYWQ2OTY4ZGRiOGFjMGMwMy90YWJsZXJhbmdlOjhlYzVlYzU4NTNlMTQ0MjJhZDY5NjhkZGI4YWMwYzAzXzUtMS0xLTEtMA_aea440bc-6fdf-4764-b80e-7e6dbcbe6742"
      unitRef="shares">13000</us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount>
    <us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
      contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTo4ZWM1ZWM1ODUzZTE0NDIyYWQ2OTY4ZGRiOGFjMGMwMy90YWJsZXJhbmdlOjhlYzVlYzU4NTNlMTQ0MjJhZDY5NjhkZGI4YWMwYzAzXzUtMi0xLTEtMA_6744f67b-07d5-40cb-9896-a86f9d8a0f3e"
      unitRef="shares">60000</us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount>
    <us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
      contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90YWJsZTo4ZWM1ZWM1ODUzZTE0NDIyYWQ2OTY4ZGRiOGFjMGMwMy90YWJsZXJhbmdlOjhlYzVlYzU4NTNlMTQ0MjJhZDY5NjhkZGI4YWMwYzAzXzUtMy0xLTEtMA_b132d170-1b1f-4c03-a831-8a71f7d8eb8e"
      unitRef="shares">1000</us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount>
    <us-gaap:ConsolidationSubsidiariesOrOtherInvestmentsConsolidatedEntitiesPolicy
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODM4_5dc459c2-a7e3-4476-ab18-2390b508538c">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Non-controlling Interests&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We account for changes in our controlling interests of subsidiaries according to ASC 810&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;, Consolidation. &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;ASC 810 requires that the Company record such changes as equity transactions, recording no gain or loss on such a sale. GAAP requires that non-controlling interests in subsidiaries and affiliates be reported in the equity section of a company&#x2019;s balance sheet. In addition, the amounts attributable to the non-controlling interest net income (loss) of those subsidiaries are reported separately in the consolidated statements of income and comprehensive income. See &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_211" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 12&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; for additional detail on non-controlling interests.&lt;/span&gt;&lt;/div&gt;</us-gaap:ConsolidationSubsidiariesOrOtherInvestmentsConsolidatedEntitiesPolicy>
    <us-gaap:CompensationRelatedCostsPolicyTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODA3_b60f7fd1-ac88-4f1a-8809-e95bccf198f6">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Share-Based Compensation&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We account for our share-based compensation arrangements in accordance with ASC 718, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Compensation-Stock Compensation&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;, by recognizing compensation costs for all share-based awards over the respective service period for employee services received in exchange for an award of equity or equity-based compensation. Awards that will be settled in stock are accounted for as equity and the compensation expense is based on the grant date fair value. Awards that are settled in cash are accounted for as liabilities and the compensation expense is re-measured each period based on the current market price and performance achievement measures. See additional information in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_217" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 14&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;</us-gaap:CompensationRelatedCostsPolicyTextBlock>
    <us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzIvZnJhZzpiOGQyN2NlYTFjMzY0Yzk2YjU1ZDlhNDQ0ODcyNDc4ZC90ZXh0cmVnaW9uOmI4ZDI3Y2VhMWMzNjRjOTZiNTVkOWE0NDQ4NzI0NzhkXzM1ODQw_6d24deea-1b3b-424c-aecc-a43b822b6abb">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Recently Issued Accounting Standards&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Facilitation of the Effects of Reference Rate Reform on Financial Reporting, ASU 2020-04&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In March 2020, the FASB issued ASU 2020-04, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;, which was subsequently amended by ASU 2021-01. The standard provides relief for companies preparing for discontinuation of interest rates, such as LIBOR, and allows optional expedients and exceptions for applying GAAP to contracts, hedging relationships and other transactions affected by reference rate reform if certain criteria are met. The amendments in this update are elective and are effective upon the ASU issuance through December 31, 2022. We are currently evaluating if we will apply the optional guidance as we assess the impact of the discontinuance of LIBOR on our current arrangements and the potential impact on our financial position, results of operations and cash flows.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Recently Adopted Accounting Standards&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Simplifying the Accounting for Income Taxes, ASU 2019-12&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In December 2019, the FASB issued ASU 2019-12, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Simplifying the Accounting for Income Taxes&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; as part of its overall simplification initiative to reduce costs and complexity in applying accounting standards while maintaining or improving the usefulness of the information provided to users of the financial statements. Amendments include removal of certain exceptions to the general principles of ASC 740,&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt; Income Taxes&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;, and simplification in several other areas such as accounting for a franchise tax (or similar tax) that is partially based on income. We adopted this standard prospectively on January 1, 2021. Adoption of this standard did not have an impact on our financial position, results of operations or cash flows.&lt;/span&gt;&lt;/div&gt;</us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock>
    <us-gaap:ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzE2NDkyNjc0Nzg2NTA_666500a8-b2ec-4cbc-b633-76f1d89f04d4">REGULATORY MATTERS&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We had the following regulatory assets and liabilities as of December 31 (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:65.859%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.420%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.421%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Regulatory assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Winter Storm Uri&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;509,025&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred energy and fuel cost adjustments &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;59,973&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;39,035&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred gas cost adjustments&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,488&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,200&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas price derivatives &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,584&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,226&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred taxes on AFUDC&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,457&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,491&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Employee benefit plans and related deferred taxes &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;88,923&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;116,598&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Environmental&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,385&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,413&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Loss on reacquired debt &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;21,011&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;22,864&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred taxes on flow-through accounting&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;63,243&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;47,515&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Decommissioning costs &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,961&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,988&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas supply contract termination &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,524&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other regulatory assets&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,549&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;26,404&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total regulatory assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;796,599&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;278,258&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less current regulatory assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(270,290)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(51,676)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Regulatory assets, non-current&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;526,309&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;226,582&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Regulatory liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred energy and gas costs&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,113&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,253&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Employee benefit plan costs and related deferred taxes &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(c) &lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32,241&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;40,256&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Cost of removal&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;179,976&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;172,902&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Excess deferred income taxes &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;264,042&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;285,259&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other regulatory liabilities&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;20,579&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;21,050&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total regulatory liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;502,951&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;532,720&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less current regulatory liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(17,574)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(25,061)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Regulatory liabilities, non-current&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;485,377&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;507,659&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;_____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Timing of Winter Storm Uri incremental cost recovery and associated carrying costs vary by jurisdiction and some jurisdictions are still subject to pending applications with the respective utility commission. See further information below.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(b)&#160;&#160;&#160;&#160;Recovery of costs, but we are not allowed a rate of return.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(c)&#160;&#160;&#160;&#160;In addition to recovery or repayment of costs, we are allowed a return on a portion of this amount or a reduction in rate base.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Regulatory assets represent items we expect to recover from customers through probable future rates.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Winter Storm Uri&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; - See discussion below for Winter Storm Uri regulatory asset information.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Deferred Energy and Fuel Cost Adjustments&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; - Deferred energy and fuel cost adjustments represent the cost of electricity delivered to our Electric Utilities&#x2019; customers that is either higher or lower than the current rates and will be recovered or refunded in future rates. Deferred energy and fuel cost adjustments are recorded and recovered or amortized as approved by the appropriate state regulatory commission. Our Electric Utilities file periodic quarterly, semi-annual and/or annual filings to recover these costs based on the respective cost mechanisms approved by their applicable state regulatory commissions. The recovery period for these costs is less than a year.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Deferred Gas Cost Adjustment&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;s - Our regulated Gas Utilities have GCA provisions that allow them to pass the cost of gas on to their customers. The GCA is based on forecasts of the upcoming gas costs and recovery or refund of prior under-recovered or over-recovered costs. To the extent that gas costs are under-recovered or over-recovered, they are recorded as a regulatory asset or liability, respectively. Our Gas Utilities file periodic estimates of future gas costs based on market forecasts with state regulatory commissions. The recovery period for these costs is less than a year.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Gas Price Derivatives&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; - Our regulated Gas Utilities, as allowed or required by state regulatory commissions, have entered into certain exchange-traded natural gas futures and options to reduce our customers&#x2019; underlying exposure to fluctuations in gas prices. Gas price derivatives represent our unrealized positions on our commodity contracts supporting our utilities. Gas price derivatives at December 31, 2021 are hedged over a maximum forward term of two years.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Deferred Taxes on AFUDC&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; - The equity component of AFUDC is considered a permanent difference for tax purposes with the tax benefit being flowed through to customers as prescribed or allowed by regulators. If, based on a regulator&#x2019;s action, it is probable the utility will recover the future increase in taxes payable represented by this flow-through treatment through a rate revenue increase, a regulatory asset is recognized. This regulatory asset is a temporary difference for which a deferred tax liability must be recognized. Accounting standards for income taxes specifically address AFUDC-equity and require a gross-up of such amounts to reflect the revenue requirement associated with a rate-regulated environment.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Employee Benefit Plans and Related Deferred Taxes&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; - Employee benefit plans include the unrecognized prior service costs and net actuarial loss associated with our defined benefit pension plan and post-retirement benefit plans in regulatory assets rather than in AOCI. In addition, this regulatory asset includes the income tax effect of the adjustment required under accounting for compensation - defined benefit plans, to record the full pension and post-retirement benefit obligations. Such income tax effect has been grossed-up to account for the revenue requirement associated with a rate regulated environment.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Environmental &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;- Environmental costs associated with certain former manufactured gas plant sites. These costs are first offset by recognition of insurance proceeds and settlements with other third parties. Any remaining cost will be requested for recovery in future rate filings. Recovery for these specific environmental costs has not yet been approved by the applicable state regulatory commission and therefore, the recovery period is unknown at this time.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Loss on Reacquired Debt&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; - Loss on reacquired debt is recovered over the remaining life of the original issue or, if refinanced, over the life of the new issue.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Deferred Taxes on Flow-Through Accounting&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; - Under flow-through accounting, the income tax effects of certain tax items are reflected in our cost of service for the customer and result in lower utility rates in the year in which the tax benefits are realized. A regulatory asset was established to reflect that future increases in income taxes payable will be recovered from customers as the temporary differences reverse. As a result of this regulatory treatment, we continue to record a tax benefit for costs considered currently deductible for tax purposes, but are capitalized for book purposes.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Decommissioning Costs&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; - South Dakota Electric and Colorado Electric received approval in 2014 for recovery of the remaining net book values and decommissioning costs of their decommissioned coal plants. In 2018, Arkansas Gas received approval to record Liquefied Natural Gas Plant decommissioning costs as a regulatory asset and received approval in 2020 to begin recovering those costs over three years.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Gas Supply Contract Termination&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; - With the 2016 SourceGas acquisition, we assumed agreements requiring the Company to purchase all of the natural gas produced over the productive life of specific leaseholds in the Bowdoin Field in Montana. The prices to be paid under these agreements exceeded market prices at the time of acquisition. We received state utility commission approvals to terminate these agreements and Orders allowing us to create a regulatory asset for the net contract buyout costs with recovery over five years. We terminated the contract and settled the liability on April 29, 2016.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Regulatory liabilities represent items we expect to refund to customers through probable future decreases in rates.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Deferred Energy and Gas Costs&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt; -&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; Deferred energy and gas costs that have been over-recovered through customer rates and will be returned to customers in future periods.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Employee Benefit Plan Costs and Related Deferred Taxes&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt; -&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; Employee benefit plans represent the cumulative excess of pension and retiree healthcare costs recovered in rates over pension expense recorded in accordance with accounting standards for compensation - retirement benefits. In addition, this regulatory liability includes the income tax effect of the adjustment required under accounting for compensation - defined benefit plans, to record the full pension and post-retirement benefit obligations. Such income tax effect has been grossed-up to account for the revenue requirement associated with a rate regulated environment.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Cost of Removal&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt; -&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; Cost of removal represents the estimated cumulative net provisions for future removal costs for which there is no legal obligation for removal included in depreciation expense.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Excess Deferred Income Taxes&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; - The revaluation of the regulated utilities' deferred tax assets and liabilities due to the passage of the TCJA was recorded as an excess deferred income tax to be refunded to customers primarily using the normalization principles as prescribed in the TCJA. See &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_220" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 15&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; for additional information.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;padding-right:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%;text-decoration:underline"&gt;Recent Regulatory Activity&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline"&gt;Winter Storm Uri&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In February 2021, a prolonged period of historic cold temperatures across the central United States covered all of our Utilities&#x2019; service territories, caused a substantial increase in heating and energy demand and contributed to unforeseeable and unprecedented market prices for natural gas and electricity. As a result of Winter Storm Uri, we incurred significant incremental fuel, purchased power and natural gas costs.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our Utilities submitted Winter Storm Uri cost recovery applications in our state jurisdictions seeking to recover $546&#160;million of these incremental costs through separate tracking mechanisms over a weighted-average recovery period of 3.5 years. These incremental cost estimates are subject to adjustments as final decisions are issued by the respective utility commissions. In these applications, we sought approval to recover carrying costs. For the year ended December 31, 2021, $4.1&#160;million of carrying costs were accrued and recorded to a regulatory asset. We are also seeking recovery of $13&#160;million of previously disclosed Winter Storm Uri incremental costs through our existing regulatory mechanisms.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;To date, Iowa Gas, Kansas Gas, Nebraska Gas and South Dakota Electric received commission approval for Winter Storm Uri cost recovery. Additionally, Arkansas Gas and Wyoming Gas received approval for interim cost recovery subject to a final decision on carrying costs and recovery periods at a later date. Colorado Gas and Colorado Electric filed settlement agreements for their applications with final rates to be implemented in 2022. These settlements are subject to final approval by the CPUC. For the year ended December 31, 2021, our Utilities collected $40&#160;million of Winter Storm Uri incremental costs and carrying costs from customers.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline"&gt;TCJA&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On December 22, 2017, the U.S. government enacted comprehensive tax legislation commonly referred to as the TCJA.  The TCJA reduced the U.S. federal corporate tax rate from 35% to 21%.  As such, the Company remeasured our deferred income taxes at the 21% federal tax rate as of December 31, 2017. In 2018 and 2019, the Company successfully delivered several of these tax benefits from the TCJA to its utility customers.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In 2020, regulatory proceedings resolved the last of the Company&#x2019;s open dockets seeking approval of its TCJA plans. As a result, the Company relieved certain TCJA-related liabilities, which resulted in an increase to net income for the year ended December 31, 2020 of $4.0&#160;million.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On December 30, 2020, an administrative law judge approved a settlement of Colorado Electric&#x2019;s plan to provide $9.3&#160;million of TCJA-related bill credits to its customers. The bill credits, which represent a disposition of excess deferred income tax benefits resulting from the TCJA, were delivered to customers in February 2021. The settlement agreement further provided for Colorado Electric to deliver annual bill credits to customers, starting in April 2021, until remaining excess deferred income tax regulatory liabilities associated with the TCJA are fully amortized. In April 2021, Colorado Electric delivered $0.9&#160;million of TCJA-related bill credits to customers.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On January 26, 2021, the NPSC approved Nebraska Gas&#x2019;s plan to provide $2.9&#160;million of TCJA-related bill credits to its customers. The bill credits, which represent a disposition of excess deferred income tax benefits resulting from the TCJA, were delivered to customers in June 2021.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;These Colorado Electric and Nebraska Gas bill credits, which resulted in a reduction in revenue, were offset by a reduction in income tax expense and resulted in a minimal impact to Net income for the year ended December 31, 2021.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;As part of the 2021 rate review settlement agreement discussed further below, Kansas Gas will deliver $3.0&#160;million of TCJA and state tax reform benefits to customers, annually, for each of the next three years starting in 2022 (approximately $9.1&#160;million of total benefits expected to be delivered).&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline"&gt;Arkansas Gas&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On December 10, 2021, Arkansas Gas filed a rate review with the APSC seeking recovery of significant infrastructure investments in its 7,200-mile natural gas pipeline system. The rate review requests $22&#160;million in new annual revenue with a capital structure of 50.9% equity and 49.1% debt and a return on equity of 10.2%. The request seeks to finalize rates in the fourth quarter of 2022.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline"&gt;Colorado Gas&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Rate Reviews and SSIR&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On June 1, 2021, Colorado Gas filed a rate review with the CPUC seeking recovery of significant infrastructure investments in its 7,000-mile natural gas pipeline system. In the fourth quarter of 2021, Colorado Gas reached a settlement agreement with the CPUC staff and various intervenors for a general rate increase, which was subsequently approved by an administrative law judge. N&lt;/span&gt;&lt;span style="color:#242424;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;ew rates were effective January 1, 2022, and the settlement is expected to generate $6.5&#160;million of new annual revenue. The new revenue is based on a return on equity of 9.2% and a capital structure of 50.3% equity and 49.7% debt.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On September 11, 2020, in accordance with the final Order from the rate review filed on February 1, 2019, Colorado Gas filed a SSIR proposal with the CPUC that would recover safety and integrity focused investments in its system for five years. On July 6, 2021, Colorado Gas received approval from the CPUC for its SSIR proposal to recover these investments for three years effective January 1, 2022. The return on SSIR investments will be the current weighted-average cost of long-term debt.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline"&gt;Iowa Gas&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Rate Review&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On June 1, 2021, Iowa Gas filed a rate review with the IUB seeking recovery of significant infrastructure investments in its 5,000-mile natural gas pipeline system. On December 28, 2021, the IUB approved a settlement agreement with all intervening parties for a general rate increase. The settlement will shift $2.2&#160;million of rider revenue to base rates and is expected to generate $3.7&#160;million in new annual revenue with a&lt;/span&gt;&lt;span style="color:#242424;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; capital structure of 50% equity and 50% debt and a return on equity of 9.6%. Final rates were enacted on January 1, 2022, and replaced&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; interim rates effective June 11, 2021.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Kansas Gas&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Rate Review&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On May 7, 2021, Kansas Gas filed a rate review and rider renewal with the KCC seeking recovery of significant infrastructure investments in its 4,600-mile natural gas pipeline system. On December 30, 2021, Kansas Gas received approval from the KCC on its Global Settlement agreement with KCC staff and various intervenors for a general rate increase and renewal of its safety and integrity rider. The settlement shifted $6.6&#160;million of rider revenue to base rates, effective January 1, 2022, and also allowed rider renewal for at least &lt;span style="-sec-ix-hidden:id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzYwNDczMTQwMjQ2Mzk_8155ce63-9607-4247-b83b-05739ba8783f"&gt;five&lt;/span&gt; more years.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline"&gt;Nebraska Gas&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:justify"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Jurisdictional Consolidation and Rate Review&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On January 26, 2021, Nebraska Gas received approval from the NPSC to consolidate rate schedules into a new, single statewide structure and recover significant infrastructure investments in its 13,000-mile natural gas pipeline system. Final rates were enacted on March 1, 2021, which replaced interim rates effective September 1, 2020. The approval shifted $4.6&#160;million of SSIR revenue to base rates and is expected to generate $6.5&#160;million in new annual revenue with a capital structure of 50% equity and 50% debt and a return on equity of 9.5%. The approval also included an extension of the SSIR for five years and an expansion of this mechanism across the consolidated jurisdictions.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline"&gt;South Dakota Electric&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;FERC Formula Rate&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The annual rate determination process is governed by the FERC formula rate protocols established in the filed FERC joint-access transmission tariff. Effective January 1, 2021, the annual revenue requirement for the FERC Transmission Formula Rate was $26&#160;million and included estimated weighted average capital additions of $5.0 million for 2020 and 2021 combined.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline"&gt;Black Hills Wyoming and Wyoming Electric&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Wygen I FERC Filing&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On October 15, 2020, the FERC approved a settlement agreement that represents a resolution of all issues in the joint application filed by Wyoming Electric and Black Hills Wyoming on August 2, 2019 for approval of a new 60 MW PPA. Under the terms of the settlement, Wyoming Electric will continue to receive 60 MW of capacity and energy from the Wygen I power plant. The new agreement commenced on January 1, 2022, replaced the existing PPA and will continue for 11 years.&lt;/span&gt;&lt;/div&gt;</us-gaap:ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock>
    <bkh:ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzUvZnJhZzplMjc1NWI1OGNhY2I0NmU4YTNhMjEwMWQ3ZTc1MGRhOS90ZXh0cmVnaW9uOmUyNzU1YjU4Y2FjYjQ2ZThhM2EyMTAxZDdlNzUwZGE5XzE0NzU3_2ff8cbe3-5516-4af7-8db0-e5eaf90adda6">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We had the following regulatory assets and liabilities as of December 31 (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:65.859%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.420%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.421%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Regulatory assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Winter Storm Uri&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;509,025&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred energy and fuel cost adjustments &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;59,973&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;39,035&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred gas cost adjustments&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,488&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,200&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas price derivatives &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,584&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,226&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred taxes on AFUDC&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,457&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,491&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Employee benefit plans and related deferred taxes &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;88,923&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;116,598&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Environmental&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,385&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,413&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Loss on reacquired debt &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;21,011&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;22,864&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred taxes on flow-through accounting&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;63,243&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;47,515&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Decommissioning costs &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,961&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,988&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas supply contract termination &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,524&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other regulatory assets&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,549&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;26,404&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total regulatory assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;796,599&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;278,258&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less current regulatory assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(270,290)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(51,676)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Regulatory assets, non-current&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;526,309&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;226,582&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:14pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Regulatory liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred energy and gas costs&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,113&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,253&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Employee benefit plan costs and related deferred taxes &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(c) 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style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Excess deferred income taxes &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;264,042&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;285,259&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other regulatory liabilities&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" 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liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;502,951&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;532,720&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less current regulatory liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(17,574)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(25,061)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Regulatory liabilities, non-current&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;485,377&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;507,659&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;_____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Timing of Winter Storm Uri incremental cost recovery and associated carrying costs vary by jurisdiction and some jurisdictions are still subject to pending applications with the respective utility commission. See further information below.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(b)&#160;&#160;&#160;&#160;Recovery of costs, but we are not allowed a rate of return.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(c)&#160;&#160;&#160;&#160;In addition to recovery or repayment of costs, we are allowed a return on a portion of this amount or a reduction in rate base.&lt;/span&gt;&lt;/div&gt;</bkh:ScheduleOfRegulatoryAssetsAndLiabilitiesTableTextBlock>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzExMDcy_75d9a824-14c1-46a2-a5a6-aed9943d59ff">COMMITMENTS, CONTINGENCIES AND GUARANTEES&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Power Purchase and Transmission Services Agreements&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Through our subsidiaries, we have the following significant long-term power purchase contracts and transmission services agreement with non-affiliated third-parties:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:20.098%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.326%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:21.268%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.595%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:21.272%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Subsidiary&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Contract Type&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Counterparty&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fuel Type&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Quantity (MW)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Expiration Date&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:0.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Colorado Electric&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PRPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wind&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;May 31, 2030&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Colorado Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PRPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Coal&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;25&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;June 30, 2024&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Colorado Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;TC Colorado Solar, LLC&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Solar&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;200&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Pending Completion &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;South Dakota Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PacifiCorp&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Coal&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;50&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2023&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:0.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;South Dakota Electric &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transmission Services Agreement&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PacifiCorp&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;50&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2023&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;South Dakota Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PRPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wind&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;September 30, 2029&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;South Dakota Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fall River Solar, LLC&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Solar&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;80&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Pending Completion &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wyoming Electric &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(e)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Happy Jack&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wind&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;September 3, 2028&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wyoming Electric &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(f)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Silver Sage&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wind&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;September 30, 2029&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="padding-left:9pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Colorado Electric sells the wind energy purchased under this PPA to City of Colorado Springs as discussed below.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:112%"&gt;(b)&#160;&#160;&#160;&#160;On January 31, 2022, TC Colorado Solar, LLC (TC Solar) provided termination notice of the PPA to Colorado Electric. Colorado Electric has disputed TC Solar&#x2019;s right to termination and pursuant to the agreement, has initiated discussions with TC Solar. This agreement relates to a new solar facility to be constructed and would expire 15 years after construction completion.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(c)&#160;&#160;&#160;&#160;This is a firm point-to-point transmission service agreement providing the ability to deliver a maximum of 50 MW of capacity and associated energy.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(d)&#160;&#160;&#160;&#160;This agreement relates to a new solar facility currently being constructed and will expire 20 years after construction completion, which is expected by the end of 2022.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(e)&#160;&#160;&#160;&#160;Under a separate intercompany PSA, Wyoming Electric sells 50% of the facility output to South Dakota Electric.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(f)&#160;&#160;&#160;&#160;Under a separate intercompany PSA, Wyoming Electric sells 67% of the facility output to South Dakota Electric.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Costs under these agreements for the years ended December 31 were as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.367%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.373%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.344%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.595%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.700%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.577%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Subsidiary&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Contract Type&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Counterparty&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fuel Type&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Colorado Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PRPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wind&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,246&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,791&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Colorado Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PRPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Coal&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,447&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,524&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,802&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;South Dakota Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PacifiCorp&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Coal&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,923&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,897&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,477&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;South Dakota Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transmission Services Agreement&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PacifiCorp&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,783&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,776&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,741&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;South Dakota Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PRPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wind&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;596&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;715&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;688&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wyoming Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Happy Jack&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wind&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,544&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,531&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,936&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wyoming Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Silver Sage&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wind&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,717&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,203&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,366&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Power Purchase Agreements - Related Parties&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Wyoming Electric had a PPA with Black Hills Wyoming scheduled to expire on December 31, 2022, which provided 60 MW of unit-contingent capacity and energy from Black Hills Wyoming&#x2019;s Wygen I facility. On October 15, 2020, the FERC approved a settlement agreement in the joint application filed by Wyoming Electric and Black Hills Wyoming on August 2, 2019 for approval of a new 60 MW PPA. Under the terms of the settlement, Wyoming Electric will continue to receive 60 MW of capacity and energy from the Wygen I facility. The new agreement commenced on January 1, 2022, replaced the existing PPA and will continue for 11 years.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Black Hills Electric Generation provides the wind energy generated from Busch Ranch II to Colorado Electric through a PPA, which expires in November 2044.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Black Hills Electric Generation provides its 14.5 MW share of energy generated from Busch Ranch I to Colorado Electric through a PPA, which expires in October 2037.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Colorado Electric&#x2019;s PPA with Black Hills Colorado IPP, expiring on December&#160;31, 2031, provides 200 MW of power to Colorado Electric from Black Hills Colorado IPP&#x2019;s combined-cycle turbines.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Purchase Commitments&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We maintain natural gas supply contracts with several vendors that generally cover a period of up to one year. Commitments for estimated baseload gas volumes are established prior to the beginning of the month under these contracts on a monthly basis at contractually negotiated prices. Commitments for incremental daily purchases are made as necessary during the month based on requirements in accordance with the terms of the individual contract.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our Gas Utilities segment has commitments to purchase physical quantities of natural gas under contracts indexed to various forward natural gas price curves. A portion of our gas purchases are purchased under evergreen contracts and are therefore, for purposes of this disclosure, carried out for 60 days. At December 31, 2021, the long-term commitments to purchase quantities of natural gas under contracts indexed to the following forward indices were as follows (in MMBtus):&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:27.743%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.759%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.759%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.759%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.759%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.759%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.762%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Thereafter&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;El Paso - Bondad Station&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;31,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Kern River - Opal&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,300&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;El Paso - San Juan Basin&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;182,550&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Enable East Pipeline&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,825,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;450,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Northern Natural Gas - Demarc&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,614&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Northern Natural Gas - Ventura&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,810,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,840,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,820,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Northwest Pipeline - Wyoming&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,531,700&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,510,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;910,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;ONEOK - Oklahoma&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,475,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,475,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,490,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,560,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Southern Star Central Gas Pipeline&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;113,130&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Panhandle Eastern Pipe Line&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,609,680&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,737,500&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12,588,974&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12,012,500&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,220,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,560,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Purchases under these contracts totaled $61 million, $25 million and $7 million for 2021, 2020 and 2019, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Other Gas Supply Agreements&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our Utilities also purchase natural gas, including transportation and storage capacity to meet customers&#x2019; needs, under short-term and long-term purchase contracts. These contracts extend to 2044.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following is a schedule of unconditional purchase obligations required under the power purchase, transmission services and natural gas transportation and storage agreements (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:40.334%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:28.182%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:28.184%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Power purchase and transmission services agreements&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Natural gas transportation and storage agreements&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;23,985&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;143,750&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;11,678&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;119,923&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,738&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;82,428&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;58,669&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;36,503&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Thereafter&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60,429&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="padding-left:9pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;This schedule does not reflect renewable energy PPA obligations since these agreements vary based on weather conditions.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Power Sales Agreements&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Through our subsidiaries, we have the following significant long-term power sales contracts with non-affiliated third-parties:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt"&gt;On July 1, 2020, Colorado Electric entered into a PSA with the City of Colorado Springs to sell up to 60 MW of wind energy purchased from PRPA under a separate 60 MW PPA discussed above. This PSA with the City of Colorado Springs expires June 30, 2025.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt"&gt;During periods of reduced production at Wygen III in which MDU owns a portion of the capacity, or during periods when Wygen III is off-line, South Dakota Electric will provide MDU with 25 MW from our other generation facilities or from system purchases with reimbursement of costs by MDU. This agreement expires January&#160;31, 2023.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt"&gt;South Dakota Electric has an agreement to provide MDU capacity and energy up to a maximum of 50 MW in excess of Wygen III ownership. This agreement expires December&#160;31, 2023.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt"&gt;During periods of reduced production at Wygen III in which the City of Gillette owns a portion of the capacity, or during periods when Wygen III is off-line, South Dakota Electric will provide the City of Gillette with its first 23 MW from its other generating facilities or from system purchases with reimbursement of costs by the City of Gillette. Under this agreement, which has an initial term through September 3, 2034 and would be renewed annually on September&#160;3 thereafter, South Dakota Electric will also provide the City of Gillette their operating component of spinning reserves.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;padding-right:31.5pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;padding-right:31.5pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt"&gt;South Dakota Electric has an amended agreement, effective January 1, 2019, to supply up to 20 MW of energy and capacity to MEAN under a contract that expires May&#160;31, 2028. The contract terms are from June 1 through May 31 for each interval listed below. This contract is unit-contingent based on the availability of our Neil Simpson II and Wygen III plants, with decreasing capacity purchased over the term of the agreement. The unit-contingent capacity amounts from Wygen III and Neil Simpson II are as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;padding-left:18pt;padding-right:18pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:92.397%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:36.874%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.551%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.551%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.856%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.551%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.551%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.856%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.551%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.559%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Contract Years&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total Contract Capacity&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Contingent Capacity Amounts on Wygen III&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Contingent Capacity Amounts on Neil Simpson II&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020-2022&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MW&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MW&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MW&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2022-2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MW&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MW&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MW&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2023-2028&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MW&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MW&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MW&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt"&gt;South Dakota Electric had an agreement that expired December&#160;31, 2021 to provide 50 MW of energy to Macquarie Energy, LLC during heavy and light load timing intervals.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:36pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt"&gt;Black Hills Wyoming sold its CTII 40 MW natural gas-fired generating unit to the City of Gillette, Wyoming on September 3, 2014. Under the terms of the sale, Black Hills Wyoming entered into ancillary agreements to operate CTII, provide use of shared facilities including a ground lease and dispatch generation services. In addition, the agreement includes a 20-year Economy Energy PSA that contains a sharing arrangement in which the parties share the savings of wholesale power purchases made when market power prices are less than the cost of operating the generating unit.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Lease Agreements&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Lessee&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:10pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We lease from third parties certain office and operation center facilities, communication tower sites, equipment and materials storage. Our leases have remaining terms ranging from less than one year to 34 years, including options to extend that are reasonably certain to be exercised. Our operating and finance leases were not material to the Company&#x2019;s Consolidated Financial statements.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Lessor&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We lease to third parties certain generating station ground leases, communication tower sites and a natural gas pipeline. These leases have remaining terms ranging from less than one year to 34 years. Lease revenue was not material for the years ended December 31, 2021, 2020 and 2019.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;As of December 31, 2021, scheduled maturities of operating lease payments to be received in future years were as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:79.163%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.637%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Operating Leases&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,173&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,204&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,125&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,070&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,881&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Thereafter&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;51,233&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total lease receivables&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;61,686&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Environmental Matters&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We are subject to costs resulting from a number of federal, state and local laws and regulations which affect future planning and existing operations. Laws and regulations can result in increased capital expenditures, operating and other costs as a result of compliance, remediation and monitoring obligations. Due to the environmental issues discussed below, we may be required to modify, curtail, replace or cease operating certain facilities or operations to comply with statutes, regulations and other requirements of regulatory bodies.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline"&gt;Reclamation Liability&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;For our Pueblo Airport Generation site, we posted a bond of $4.1 million with the State of Colorado to cover the costs of remediation for a waste water containment pond permitted to provide wastewater storage and processing for this zero discharge facility. The reclamation liability is recorded at the present value of the estimated future cost to reclaim the land.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Under our land leases for our wind generation facilities, we are required to reclaim land where we have placed wind turbines. The reclamation liabilities are recorded at the present value of the estimated future cost to reclaim the land.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Under its mining permit, WRDC is required to reclaim all land where it has mined reserves. The reclamation liability is recorded at the present value of the estimated future cost to reclaim the land.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;See &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_190" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 7&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; for additional information.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline"&gt;Manufactured Gas Processing&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In 2008, we acquired whole and partial liabilities for former manufactured gas processing sites in Nebraska and Iowa, which were previously used to convert coal to natural gas. The acquisition provided for an insurance recovery, now valued at $1.2 million recorded in Other assets, non-current on our Consolidated Balance Sheets, which will be used to help offset remediation costs. We also have a $1.4 million regulatory asset for manufactured gas processing sites; see &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_175" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 2&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; for additional information.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;As of December 31, 2021, we had $2.6 million accrued for remediation of Iowa&#x2019;s manufactured gas processing site as the landowner. As of December 31, 2021, we had $0.6&#160;million accrued for remediation of Nebraska&#x2019;s manufactured gas processing site as the land owner. These liabilities are included in Other deferred credits and other liabilities on our Consolidated Balance Sheets. The remediation cost estimate could change materially due to results of further investigations, actions of environmental agencies or the financial viability of other responsible parties.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Legal Proceedings&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In the normal course of business, we are subject to various lawsuits, actions, proceedings, claims and other matters asserted under laws and regulations. We believe the amounts provided in the consolidated financial statements to satisfy alleged liabilities are adequate in light of the probable and estimable contingencies. However, there can be no assurance that the actual amounts required to satisfy alleged liabilities from various legal proceedings, claims and other matters discussed, and to comply with applicable laws and regulations will not exceed the amounts reflected in the consolidated financial statements.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We record gain contingencies when realized, and expected recoveries under applicable insurance contracts when we are assured of recovery.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In the normal course of business, we enter into agreements that include indemnification in favor of third parties, such as information technology agreements, purchase and sale agreements and lease contracts.&#160;We have also agreed to indemnify our directors, officers and employees in accordance with our articles of incorporation, as amended.&#160;Certain agreements do not contain any limits on our liability and therefore, it is not possible to estimate our potential liability under these indemnifications. In certain cases, we have recourse against third parties with respect to these indemnities.&#160;Further, we maintain insurance policies that may provide coverage against certain claims under these indemnities.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Guarantees&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We have entered into various parent company-level guarantees providing financial or performance assurance to third parties on behalf of certain of our subsidiaries. These guarantees do not represent incremental consolidated obligations, but rather, represent guarantees of subsidiary obligations to allow those subsidiaries to conduct business without posting other forms of assurance. The agreements, which are off-balance sheet commitments, include support for business operations, indemnification for reclamation and surety bonds. The guarantees were entered into in the normal course of business. To the extent liabilities are incurred as a result of activities covered by these guarantees, such liabilities are included in our Consolidated Balance Sheets.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;See Note 8 for additional information on our off-balance sheet Letters of Credit commitment.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We had the following guarantees in place as of (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:79.163%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.637%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Maximum Exposure at&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Nature of Guarantee&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Indemnification for reclamation/surety bonds&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;55,867&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Guarantees supporting business transactions&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;370,558&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;426,425&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:CommitmentsContingenciesAndGuaranteesTextBlock>
    <us-gaap:LongTermPurchaseCommitmentTextBlock
      contextRef="i3aee8ac668b64dd39d3f9d7b25c2a713_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzExMDU3_9f5ec076-dae6-4004-b289-1d2d847a8ff3">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Through our subsidiaries, we have the following significant long-term power purchase contracts and transmission services agreement with non-affiliated third-parties:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:20.098%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.326%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:21.268%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.595%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:21.272%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Subsidiary&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Contract Type&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Counterparty&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fuel Type&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Quantity (MW)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Expiration Date&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:0.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Colorado Electric&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PRPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wind&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;May 31, 2030&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Colorado Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PRPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Coal&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;25&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;June 30, 2024&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Colorado Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;TC Colorado Solar, LLC&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Solar&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;200&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Pending Completion &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;South Dakota Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PacifiCorp&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Coal&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;50&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2023&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:0.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;South Dakota Electric &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transmission Services Agreement&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PacifiCorp&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;50&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2023&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;South Dakota Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PRPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wind&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;September 30, 2029&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;South Dakota Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fall River Solar, LLC&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Solar&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;80&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Pending Completion &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wyoming Electric &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(e)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Happy Jack&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wind&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;September 3, 2028&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wyoming Electric &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(f)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Silver Sage&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wind&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;September 30, 2029&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="padding-left:9pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Colorado Electric sells the wind energy purchased under this PPA to City of Colorado Springs as discussed below.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:112%"&gt;(b)&#160;&#160;&#160;&#160;On January 31, 2022, TC Colorado Solar, LLC (TC Solar) provided termination notice of the PPA to Colorado Electric. Colorado Electric has disputed TC Solar&#x2019;s right to termination and pursuant to the agreement, has initiated discussions with TC Solar. This agreement relates to a new solar facility to be constructed and would expire 15 years after construction completion.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(c)&#160;&#160;&#160;&#160;This is a firm point-to-point transmission service agreement providing the ability to deliver a maximum of 50 MW of capacity and associated energy.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(d)&#160;&#160;&#160;&#160;This agreement relates to a new solar facility currently being constructed and will expire 20 years after construction completion, which is expected by the end of 2022.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(e)&#160;&#160;&#160;&#160;Under a separate intercompany PSA, Wyoming Electric sells 50% of the facility output to South Dakota Electric.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(f)&#160;&#160;&#160;&#160;Under a separate intercompany PSA, Wyoming Electric sells 67% of the facility output to South Dakota Electric.&lt;/span&gt;&lt;/div&gt;</us-gaap:LongTermPurchaseCommitmentTextBlock>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzExMDQ2_b3267d82-8f3c-47a2-ac42-0553ae19a329">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Costs under these agreements for the years ended December 31 were as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.367%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.373%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.344%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.595%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.700%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.577%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Subsidiary&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Contract Type&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Counterparty&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fuel Type&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Colorado Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PRPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wind&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,246&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,791&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Colorado Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PRPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Coal&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,447&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,524&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,802&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;South Dakota Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PPA&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PacifiCorp&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Coal&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,923&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,897&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,477&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;South Dakota Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transmission Services Agreement&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;PacifiCorp&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;596&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;715&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;688&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wyoming Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" 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style="width:1.0%"/&gt;&lt;td style="width:10.759%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.759%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.762%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Thereafter&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;El Paso - Bondad Station&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;31,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Kern River - Opal&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,300&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;El Paso - San Juan Basin&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;182,550&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Enable East Pipeline&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,825,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;450,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Northern Natural Gas - Demarc&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,614&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Northern Natural Gas - Ventura&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,810,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,840,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,820,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Northwest Pipeline - Wyoming&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,531,700&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,510,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;910,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;ONEOK - Oklahoma&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,475,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,475,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,490,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,560,000&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Southern Star Central Gas Pipeline&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;113,130&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Panhandle Eastern Pipe Line&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,609,680&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,737,500&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12,588,974&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12,012,500&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 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      unitRef="usd">7000000</us-gaap:UnrecordedUnconditionalPurchaseObligationPurchases>
    <us-gaap:UnrecordedUnconditionalPurchaseObligationsDisclosureTextBlock
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzExMDU5_c8a251b7-7503-4fed-aa25-1890d312de60">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following is a schedule of unconditional purchase obligations required under the power purchase, transmission services and natural gas transportation and storage agreements (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:40.334%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:28.182%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:28.184%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Power purchase and transmission services agreements&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Natural gas transportation and storage agreements&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;23,985&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;143,750&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;11,678&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;119,923&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,738&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;82,428&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;58,669&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;36,503&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Thereafter&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;60,429&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="padding-left:9pt;text-indent:-9pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;This schedule does not reflect renewable energy PPA obligations since these agreements vary based on weather conditions.&lt;/span&gt;&lt;/div&gt;</us-gaap:UnrecordedUnconditionalPurchaseObligationsDisclosureTextBlock>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzMtMS0xLTEtMA_f8c7bef6-fb37-4977-ab78-f04db01321ef"
      unitRef="usd">2738000</us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary>
    <us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary
      contextRef="i43b10bb615734d9bafa455da2229826c_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzMtMi0xLTEtMA_521d232e-2228-4ca4-8b62-a46ae81a8708"
      unitRef="usd">82428000</us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary>
    <us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary
      contextRef="i46ec533129f446a2a60f52671d7ce7a8_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzQtMS0xLTEtMA_7d2ba0f9-39d1-4f6c-a247-c439e75a35a5"
      unitRef="usd">0</us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary>
    <us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary
      contextRef="i43b10bb615734d9bafa455da2229826c_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzQtMi0xLTEtMA_e933c4a6-d471-46d6-81b8-fae8080098f6"
      unitRef="usd">58669000</us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary>
    <us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary
      contextRef="i46ec533129f446a2a60f52671d7ce7a8_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzUtMS0xLTEtMA_e8916c9e-5a28-41e7-9702-88fa0e9af3d7"
      unitRef="usd">0</us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary>
    <us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary
      contextRef="i43b10bb615734d9bafa455da2229826c_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzUtMi0xLTEtMA_782a33f7-2e3e-4204-b7b1-a09136a6c726"
      unitRef="usd">36503000</us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary>
    <us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears
      contextRef="i46ec533129f446a2a60f52671d7ce7a8_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzYtMS0xLTEtMA_cc3c0b0b-8d2e-4a48-b94b-88842b03ff0b"
      unitRef="usd">0</us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears>
    <us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears
      contextRef="i43b10bb615734d9bafa455da2229826c_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTowYTRiZWRiOGE5ZjQ0YjcwYWUxMjcxMWU0MTM3NjIyZC90YWJsZXJhbmdlOjBhNGJlZGI4YTlmNDRiNzBhZTEyNzExZTQxMzc2MjJkXzYtMi0xLTEtMA_67c7faa1-93b5-4e92-801f-dc6fd4ec5bfe"
      unitRef="usd">60429000</us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears>
    <bkh:NumberOfMegawattsCapacityPurchased
      contextRef="ic66fb4a9453849a6b1fc3301f6d9efa9_I20200701"
      decimals="0"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzE2NDkyNjc0NzE4Njc_e8d1f947-5b51-4cd9-9b1d-f78f989b1b50"
      unitRef="mw">60</bkh:NumberOfMegawattsCapacityPurchased>
    <bkh:NumberOfMegawattsCapacityPurchased
      contextRef="i679423e84c0f4cb3a78a66d8aa9d860b_I20190626"
      decimals="0"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzE2NDkyNjc0NzE4NjA_24afd61e-9c32-4189-a6a4-53fe499700d3"
      unitRef="mw">60</bkh:NumberOfMegawattsCapacityPurchased>
    <bkh:NumberofMegawattsSoldUnderLongTermContract
      contextRef="if7713dcc2e034d46addeb1f7dca04048_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzQ1MDA_8bb30cfd-6bce-4bb9-baa8-4d0e1231b456"
      unitRef="mw">25</bkh:NumberofMegawattsSoldUnderLongTermContract>
    <bkh:NumberofMegawattsSoldUnderLongTermContract
      contextRef="i3228a756cc684d57acd3b6d3653845cc_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzQ3MjY_ee9f80fb-948a-4052-a8ed-472cb22f812a"
      unitRef="mw">50</bkh:NumberofMegawattsSoldUnderLongTermContract>
    <bkh:NumberofMegawattsSoldUnderLongTermContract
      contextRef="i7b519199f8d349e7bd04eed2e3010959_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzUwMjQ_fbda193d-1e2d-4159-abd1-d51ae23a13df"
      unitRef="mw">23</bkh:NumberofMegawattsSoldUnderLongTermContract>
    <bkh:NumberofMegawattsSoldUnderLongTermContract
      contextRef="iaee23d4fa15c44e193a68c6481fdcc36_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzU0Nzg_da9dadf0-fe10-4921-ba15-f52d223fab47"
      unitRef="mw">20</bkh:NumberofMegawattsSoldUnderLongTermContract>
    <bkh:ScheduleofUnitContingentCapacityTableTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzExMDM0_02f67c95-1f6c-4b46-bc04-5338990b29ed">The unit-contingent capacity amounts from Wygen III and Neil Simpson II are as follows:&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:92.397%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:36.874%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.551%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.551%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.856%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.551%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.551%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.856%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.551%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.559%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Contract Years&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total Contract Capacity&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Contingent Capacity Amounts on Wygen III&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Contingent Capacity Amounts on Neil Simpson II&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020-2022&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MW&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MW&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MW&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2022-2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MW&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MW&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;MW&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzYwNDczMTM5NzI4MTk_c03e747a-a868-4b8f-a11f-146b767c6bb1">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;As of December 31, 2021, scheduled maturities of operating lease payments to be received in future years were as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:79.163%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.637%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Operating Leases&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,173&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,204&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,125&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,070&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,881&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Thereafter&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;51,233&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total lease receivables&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;61,686&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock>
    <us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTpiZTM4YWM3MzUxYTU0NThkYmFjNDRmOTA1ZDNlMzU5NS90YWJsZXJhbmdlOmJlMzhhYzczNTFhNTQ1OGRiYWM0NGY5MDVkM2UzNTk1XzEtMS0xLTEtNjgzNjM_a0c7932a-4bad-462d-8612-78efa16a4966"
      unitRef="usd">2173000</us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths>
    <us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears
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      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTpiZTM4YWM3MzUxYTU0NThkYmFjNDRmOTA1ZDNlMzU5NS90YWJsZXJhbmdlOmJlMzhhYzczNTFhNTQ1OGRiYWM0NGY5MDVkM2UzNTk1XzItMS0xLTEtNjgzNjM_1e89944d-335b-4d1c-aed3-b46f8253a44c"
      unitRef="usd">2204000</us-gaap:LessorOperatingLeasePaymentsToBeReceivedTwoYears>
    <us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTpiZTM4YWM3MzUxYTU0NThkYmFjNDRmOTA1ZDNlMzU5NS90YWJsZXJhbmdlOmJlMzhhYzczNTFhNTQ1OGRiYWM0NGY5MDVkM2UzNTk1XzMtMS0xLTEtNjgzNjM_41764520-ee20-435f-ad8d-bfbff9c4f960"
      unitRef="usd">2125000</us-gaap:LessorOperatingLeasePaymentsToBeReceivedThreeYears>
    <us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTpiZTM4YWM3MzUxYTU0NThkYmFjNDRmOTA1ZDNlMzU5NS90YWJsZXJhbmdlOmJlMzhhYzczNTFhNTQ1OGRiYWM0NGY5MDVkM2UzNTk1XzQtMS0xLTEtNjgzNjM_8eb5c483-e2eb-4afd-b7a1-601f6d638248"
      unitRef="usd">2070000</us-gaap:LessorOperatingLeasePaymentsToBeReceivedFourYears>
    <us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90YWJsZTpiZTM4YWM3MzUxYTU0NThkYmFjNDRmOTA1ZDNlMzU5NS90YWJsZXJhbmdlOmJlMzhhYzczNTFhNTQ1OGRiYWM0NGY5MDVkM2UzNTk1XzUtMS0xLTEtNjgzNjM_1a7ef4ab-d379-404f-adbb-e252b71f1ffb"
      unitRef="usd">1881000</us-gaap:LessorOperatingLeasePaymentsToBeReceivedFiveYears>
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      unitRef="usd">51233000</us-gaap:LessorOperatingLeasePaymentsToBeReceivedThereafter>
    <us-gaap:LessorOperatingLeasePaymentsToBeReceived
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      unitRef="usd">61686000</us-gaap:LessorOperatingLeasePaymentsToBeReceived>
    <us-gaap:AccrualForEnvironmentalLossContingencies
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    <us-gaap:AccrualForEnvironmentalLossContingenciesGross
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    <us-gaap:ScheduleOfGuaranteeObligationsTextBlock
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xNzgvZnJhZzplODQ0OWRjMWM5MDQ0Njk0ODY5Njg0NmJhZjdkYTRjNC90ZXh0cmVnaW9uOmU4NDQ5ZGMxYzkwNDQ2OTQ4Njk2ODQ2YmFmN2RhNGM0XzExMDM2_70879ecc-5093-475f-9626-871c53aa751b">To the extent liabilities are incurred as a result of activities covered by these guarantees, such liabilities are included in our Consolidated Balance Sheets.&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;See Note 8 for additional information on our off-balance sheet Letters of Credit commitment.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We had the following guarantees in place as of (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:79.163%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.637%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Maximum Exposure at&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Nature of Guarantee&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Indemnification for reclamation/surety bonds&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;55,867&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Guarantees supporting business transactions&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;370,558&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;426,425&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfGuaranteeObligationsTextBlock>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90ZXh0cmVnaW9uOjViNjFjNzVlMjhlYTRlYTJhYTg2MjM4OTJlOWJiNDdjXzU4MTg_d9db9175-f1a9-4e92-95ff-bc63dbd04c75">REVENUE &lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following tables depict the disaggregation of revenue, including intercompany revenue, from contracts with customers by customer type and timing of revenue recognition for each of the reportable segments, for the years ended December 31, 2021, 2020 and 2019. Sales tax and other similar taxes are excluded from revenues.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:37.992%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.126%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.126%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.126%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.130%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Year ended December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;Electric Utilities &lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Inter-company Revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Customer types:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="12" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Retail&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;711,448&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;913,725&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,625,173&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transportation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;158,053&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(428)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;157,625&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wholesale&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,848&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,848&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Market - off-system sales&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;41,682&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;396&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;42,078&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transmission/Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;52,945&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;39,365&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(17,200)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;75,110&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Revenue from contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;836,923&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,111,539&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(17,628)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,930,834&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,335&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,326&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(393)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;18,268&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total revenues&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;842,258&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,124,865&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(18,021)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,949,102&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Timing of revenue recognition:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Services transferred at a point in time&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,141&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,141&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Services transferred over time&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;809,782&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,111,539&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(17,628)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,903,693&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Revenue from contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;836,923&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,111,539&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(17,628)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,930,834&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:37.992%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.126%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.126%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.126%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.130%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Year ended December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;Electric Utilities &lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Inter-company Revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Customer types:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="12" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Retail&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;636,902&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;765,922&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,402,824&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transportation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;154,581&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(526)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;154,055&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wholesale&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;24,845&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;24,845&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Market - off-system sales&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15,512&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;260&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15,772&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transmission/Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;55,422&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;43,658&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(15,772)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;83,308&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Revenue from contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;732,681&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;964,421&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(16,298)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,680,804&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,176&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10,249&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(288)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;16,137&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total revenues&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;738,857&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;974,670&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(16,586)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,696,941&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Timing of revenue recognition:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Services transferred at a point in time&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,089&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,089&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Services transferred over time&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;705,592&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;964,421&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(16,298)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,653,715&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Revenue from contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;732,681&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;964,421&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(16,298)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,680,804&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:37.992%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.126%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.126%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.126%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.130%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Year ended December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;Electric Utilities &lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Inter-company Revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Customer types:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="12" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Retail&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;632,936&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;817,840&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,450,776&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transportation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;143,390&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,042)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;142,348&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wholesale&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28,464&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28,464&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Market - off-system sales&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;16,081&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;691&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;16,772&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transmission/Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;53,750&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;47,725&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(13,443)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;88,032&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Revenue from contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;731,231&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,009,646&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(14,485)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,726,392&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,124&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;384&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,508&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total revenues&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;739,355&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,010,030&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(14,485)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,734,900&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Timing of revenue recognition:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Services transferred at a point in time&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,180&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,180&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Services transferred over time&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;704,051&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,009,646&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(14,485)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,699,212&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Revenue from contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;731,231&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,009,646&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(14,485)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,726,392&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:RevenueFromContractWithCustomerTextBlock>
    <us-gaap:DisaggregationOfRevenueTableTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODEvZnJhZzo1YjYxYzc1ZTI4ZWE0ZWEyYWE4NjIzODkyZTliYjQ3Yy90ZXh0cmVnaW9uOjViNjFjNzVlMjhlYTRlYTJhYTg2MjM4OTJlOWJiNDdjXzU4MTc_834e5589-e92b-4dea-8aa3-b5772c7732c2">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following tables depict the disaggregation of revenue, including intercompany revenue, from contracts with customers by customer type and timing of revenue recognition for each of the reportable segments, for the years ended December 31, 2021, 2020 and 2019. Sales tax and other similar taxes are excluded from revenues.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:37.992%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.126%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.126%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.126%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.130%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Year ended December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;Electric Utilities &lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Inter-company Revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Customer types:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="12" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Retail&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;711,448&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;913,725&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,625,173&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transportation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;158,053&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(428)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;157,625&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wholesale&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,848&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,848&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Market - off-system sales&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;41,682&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;396&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;42,078&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transmission/Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;52,945&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;39,365&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(17,200)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;75,110&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Revenue from contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;836,923&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,111,539&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(17,628)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,930,834&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,335&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,326&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(393)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;18,268&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total revenues&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;842,258&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,124,865&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(18,021)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,949,102&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Timing of revenue recognition:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Services transferred at a point in time&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,141&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,141&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Services transferred over time&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;809,782&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,111,539&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(17,628)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,903,693&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Revenue from contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;836,923&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,111,539&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(17,628)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,930,834&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:37.992%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.126%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.126%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.126%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.130%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Year ended December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;Electric Utilities &lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Inter-company Revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Customer types:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="12" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Retail&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;636,902&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;765,922&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,402,824&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transportation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;154,581&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(526)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;154,055&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wholesale&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;24,845&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;24,845&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Market - off-system sales&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15,512&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;260&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15,772&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transmission/Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;55,422&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;43,658&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(15,772)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;83,308&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Revenue from contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;732,681&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;964,421&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(16,298)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,680,804&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,176&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10,249&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(288)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;16,137&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total revenues&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;738,857&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;974,670&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(16,586)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,696,941&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Timing of revenue recognition:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Services transferred at a point in time&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,089&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,089&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Services transferred over time&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;705,592&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;964,421&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(16,298)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,653,715&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Revenue from contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;732,681&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;964,421&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(16,298)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,680,804&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:37.992%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.126%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.126%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.126%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.130%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Year ended December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;Electric Utilities &lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#160;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Inter-company Revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Customer types:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="12" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Retail&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;632,936&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;817,840&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,450,776&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transportation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;143,390&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,042)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;142,348&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wholesale&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28,464&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28,464&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Market - off-system sales&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;16,081&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;691&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;16,772&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transmission/Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;53,750&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;47,725&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(13,443)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;88,032&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Revenue from contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;731,231&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,009,646&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(14,485)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,726,392&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,124&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;384&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,508&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total revenues&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;739,355&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,010,030&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(14,485)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,734,900&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Timing of revenue recognition:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Services transferred at a point in time&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,180&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,180&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Services transferred over time&lt;/span&gt;&lt;/td&gt;&lt;td 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style="width:1.0%"/&gt;&lt;td style="width:10.742%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.864%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.868%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Lives (in years)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Property, Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted Average Useful Life (in years)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Property, Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted Average Useful Life (in years)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Minimum&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Maximum&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:6pt"&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric plant:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Production&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,452,055&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;41&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,417,951&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;40&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;45&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric transmission&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;546,126&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;49&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;517,794&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;49&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;43&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;50&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric distribution&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,000,619&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;47&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;959,453&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;46&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;45&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;49&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Integrated Generation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;720,490&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;716,479&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;31&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;59&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Plant acquisition adjustment &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,870&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,870&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;General&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;266,935&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;259,010&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;25&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;31&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total electric plant in service&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,991,095&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,875,557&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Construction work in progress&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;181,451&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;95,266&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total electric plant&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,172,546&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,970,823&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less accumulated depreciation and depletion&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,016,738)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(960,993)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric plant net of accumulated depreciation and depletion&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,155,808&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,009,830&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;The plant acquisition adjustment is included in rate base and is being recovered with 9 years remaining.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:33.987%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.718%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.718%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.718%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.718%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.718%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.723%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Lives (in years)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Property, Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted Average Useful Life (in years)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Property, Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted Average Useful Life (in years)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Minimum&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Maximum&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:6pt"&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas plant:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Production&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;14,841&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;40&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15,603&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;40&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;24&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;46&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas transmission&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;645,550&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;58&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;578,278&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;54&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;22&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;71&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas distribution&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,394,352&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;53&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,115,082&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;53&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;45&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;59&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Cushion gas - depreciable &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,539&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,539&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Cushion gas - not depreciable &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;42,478&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;39,184&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Storage&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;56,289&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;38&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;55,481&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;38&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;52&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;General&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;474,964&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;21&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;438,217&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;19&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;23&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total gas plant in service&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,632,013&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,245,384&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Construction work in progress&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;37,860&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;67,229&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total gas plant&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,669,873&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,312,613&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less accumulated depreciation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(389,115)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(323,679)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas plant net of accumulated depreciation&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,280,758&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,988,934&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Depreciation of Cushion Gas is determined by the respective regulatory jurisdiction in which the Cushion Gas resides.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:17.613%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.987%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.157%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.742%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.695%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.695%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.110%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.260%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Lives (in years)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Property, Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Construction Work in Progress&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total Property Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less Accumulated Depreciation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net Property, Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted Average Useful Life&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Minimum&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Maximum&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Corporate&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,694&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,460&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;14,154&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,544)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12,610&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;22&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:17.613%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.987%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.157%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.742%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.695%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.695%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.110%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.260%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Lives (in years)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Property, Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Construction Work in Progress&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total Property Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less Accumulated Depreciation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net Property, Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted Average Useful Life&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Minimum&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Maximum&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Corporate&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,692&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;16,402&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;22,094&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,144)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;20,950&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;22&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock>
    <us-gaap:PropertyPlantAndEquipmentTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODQvZnJhZzphYzlmYzIxY2E5MDk0Njg1YTA2Mjk4ZmRhMmU2MjIxYS90ZXh0cmVnaW9uOmFjOWZjMjFjYTkwOTQ2ODVhMDYyOThmZGEyZTYyMjFhXzQwOQ_c6833d29-0b0e-4dde-8520-360d9c471d18">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Property, plant and equipment at December 31 consisted of the following (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:33.110%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.742%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.864%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.868%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Lives (in years)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Property, Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted Average Useful Life (in years)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Property, Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted Average Useful Life (in years)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Minimum&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Maximum&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:6pt"&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric plant:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Production&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,452,055&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;41&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,417,951&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;40&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;45&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric transmission&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;546,126&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;49&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;517,794&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;49&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;43&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;50&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric distribution&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,000,619&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;47&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;959,453&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;46&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;45&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;49&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Integrated Generation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;720,490&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;716,479&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;31&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;59&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Plant acquisition adjustment &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,870&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,870&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;General&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;266,935&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;259,010&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;25&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;31&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total electric plant in service&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,991,095&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,875,557&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Construction work in progress&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;181,451&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;95,266&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total electric plant&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,172,546&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,970,823&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less accumulated depreciation and depletion&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,016,738)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(960,993)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric plant net of accumulated depreciation and depletion&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,155,808&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,009,830&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;The plant acquisition adjustment is included in rate base and is being recovered with 9 years remaining.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:33.987%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.718%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.718%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.718%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.718%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.718%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.723%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Lives (in years)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Property, Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted Average Useful Life (in years)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Property, Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted Average Useful Life (in years)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Minimum&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Maximum&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:6pt"&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas plant:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Production&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;14,841&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;40&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15,603&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;40&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;24&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;46&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas transmission&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;645,550&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;58&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;578,278&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;54&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;22&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;71&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas distribution&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,394,352&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;53&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,115,082&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;53&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;45&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;59&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Cushion gas - depreciable &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,539&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,539&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Cushion gas - not depreciable &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;42,478&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;39,184&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Storage&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;56,289&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;38&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;55,481&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;38&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;52&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;General&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;474,964&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;21&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;438,217&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;19&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;23&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total gas plant in service&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,632,013&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,245,384&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Construction work in progress&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;37,860&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;67,229&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total gas plant&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,669,873&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,312,613&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less accumulated depreciation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(389,115)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(323,679)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas plant net of accumulated depreciation&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,280,758&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,988,934&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Depreciation of Cushion Gas is determined by the respective regulatory jurisdiction in which the Cushion Gas resides.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:17.613%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.987%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.157%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.742%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.695%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.695%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.110%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.260%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Lives (in years)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Property, Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Construction Work in Progress&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total Property Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less Accumulated Depreciation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net Property, Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted Average Useful Life&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Minimum&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Maximum&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Corporate&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,694&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,460&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;14,154&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,544)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12,610&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;22&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:17.613%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.987%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.157%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.742%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.695%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.695%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.110%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.260%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Lives (in years)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Property, Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Construction Work in Progress&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total Property Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less Accumulated Depreciation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net Property, Plant and Equipment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted Average Useful Life&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Minimum&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Maximum&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Corporate&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,692&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;16,402&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;22,094&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,144)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;20,950&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 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Each owner of the facility is responsible for financing its investment in the jointly-owned facilities.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline"&gt;Wyodak Plant&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;South Dakota Electric owns a 20% interest in the Wyodak Plant while PacifiCorp owns the remaining ownership interest and operates the Wyodak Plant. South Dakota Electric receives its proportionate share of the Wyodak Plant&#x2019;s capacity and is committed to pay its proportionate share of its additions, replacements and operating and maintenance expenses. In addition to supplying South Dakota Electric with coal for its share of the Wyodak Plant, our mine supplies PacifiCorp&#x2019;s share of the coal under a separate long-term agreement. This coal supply agreement is collateralized by a mortgage on and a security interest in some of WRDC&#x2019;s coal reserves.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline"&gt;Transmission Tie&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;South Dakota Electric owns a 35% interest in, and is the operator of, the Converter Station Site and South Rapid City Interconnection (the Transmission Tie), an AC-DC-AC transmission tie. Basin Electric Power Cooperative owns the remaining 65% interest in the Transmission Tie. South Dakota Electric is committed to pay its proportionate share of the additions and replacements and operating and maintenance expenses of the Transmission Tie.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline"&gt;Wygen III&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;South Dakota Electric owns 52% of the Wygen III generation facility. MDU and the City of Gillette each own an undivided ownership interest in Wygen III and are obligated to make payments for costs associated with administrative services and their proportionate share of the costs of operating the plant for the life of the facility. South Dakota Electric retains responsibility for plant operations. Our mine supplies fuel to Wygen III for the life of the plant.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline"&gt;Wygen I&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Black Hills Wyoming owns 76.5% of the Wygen I plant while MEAN owns the remaining ownership interest. MEAN is obligated to make payments for its share of the costs associated with administrative services, plant operations and coal supply provided by our mine during the life of the facility. Black Hills Wyoming retains responsibility for plant operations.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;At December 31, 2021, our interests in jointly-owned generating facilities and transmission systems were (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:33.453%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.151%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.298%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.151%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.447%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Plant in Service&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Construction Work in Progress&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less Accumulated Depreciation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Plant Net of Accumulated Depreciation&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wyodak Plant&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;118,637&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;882&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(70,468)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;49,051&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transmission Tie&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;24,544&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;287&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(6,922)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;17,909&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wygen III&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;142,199&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;635&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(26,598)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;116,236&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wygen I&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;120,565&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;399&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(53,784)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;67,180&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Jointly Owned Facilities - Related Party&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline"&gt;Busch Ranch I&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Colorado Electric owns 50% of Busch Ranch I while Black Hills Electric Generation owns the remaining 50% ownership interest.  Each company is obligated to make payments for costs associated with their proportionate share of the costs of operating the wind farm over the life of the facility. Colorado Electric retains responsibility for operations of the wind farm. Black Hills Electric Generation provides its share of energy from the wind farm to Colorado Electric through a PPA, which expires in October 2037.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline"&gt;Cheyenne Prairie&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Cheyenne Prairie serves the utility customers of South Dakota Electric and Wyoming Electric. The facility includes one simple-cycle, 40 MW combustion turbine that is wholly-owned by Wyoming Electric and one combined-cycle, 100 MW unit that is jointly-owned by South Dakota Electric (58 MW) and Wyoming Electric (42 MW). BHSC is responsible for plant operations.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline"&gt;Corriedale&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Corriedale serves as the dedicated wind energy supply for Renewable Ready customers in South Dakota and Wyoming. The 52.5 MW wind farm is jointly-owned by South Dakota Electric (32.5 MW) and Wyoming Electric (20 MW). BHSC is responsible for operations of the wind farm.&lt;/span&gt;&lt;/div&gt;</bkh:JointlyOwnedFacilitiesUtilityandNonRegulatedTextBlock>
    <us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare
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      unitRef="number">0.20</us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare>
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      unitRef="number">0.35</us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare>
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      unitRef="number">0.65</bkh:JointlyOwnedUtilityPlantProportionateOwnershipShareOfOtherParty>
    <us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzE2Nzg_8bb0e3c8-515e-47ec-bf95-a5dde22fa1a0"
      unitRef="number">0.52</us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare>
    <us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare
      contextRef="id9df02b540c24f4fbc7daca4d65a651d_I20211231"
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzIxNjU_9c03cb62-b8aa-407c-bb91-fa14a41141ba"
      unitRef="number">0.765</us-gaap:JointlyOwnedUtilityPlantProportionateOwnershipShare>
    <bkh:ScheduleOfJointlyOwnedFacilitiesTableTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xODcvZnJhZzo1MDg5M2QwNjY4NmY0ZjRhYjI2NTBiMjZkYzc5MDhlYy90ZXh0cmVnaW9uOjUwODkzZDA2Njg2ZjRmNGFiMjY1MGIyNmRjNzkwOGVjXzM4NTg_700bf0db-99f2-4996-814e-3749467d33e7">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;At December 31, 2021, our interests in jointly-owned generating facilities and transmission systems were (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:33.453%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.151%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.298%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.151%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.447%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Plant in Service&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Construction Work in Progress&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less Accumulated Depreciation&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Plant Net of Accumulated Depreciation&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wyodak Plant&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;118,637&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;882&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(70,468)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;49,051&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Transmission Tie&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;24,544&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;287&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(6,922)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;17,909&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wygen III&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;142,199&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;635&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(26,598)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;116,236&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Wygen I&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;120,565&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;399&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(53,784)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;67,180&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</bkh:ScheduleOfJointlyOwnedFacilitiesTableTextBlock>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90ZXh0cmVnaW9uOmU4MjI0ZWZiZTRhNzQxZDE4ZDAzMmY1ZmI3ZTc2Y2VjXzIwMTg_47bdae82-6e97-4c8e-9fd8-fdc7d8c31ba1">ASSET RETIREMENT OBLIGATIONS&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We have identified legal obligations related to reclamation of mining sites; removal of fuel tanks, transformers containing polychlorinated biphenyls, and an evaporation pond; and reclamation of wind turbine sites at our Electric Utilities segment.  In addition, we have identified legal obligations related to retirement of gas pipelines and wells at our Gas Utilities and removal of asbestos at our Utilities. We periodically review and update estimated costs related to these AROs. The actual cost may vary from estimates due to regulatory requirements, changes in technology and increased labor, materials and equipment costs.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following tables present the details of AROs which are included on the accompanying Consolidated Balance Sheets in Other deferred credits and other liabilities (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.775%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.600%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.600%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.600%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.600%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.520%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.605%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liabilities Incurred&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liabilities Settled&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accretion&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Revisions to Prior Estimates&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;29,157&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(978)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,315&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;595&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,089&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas Utilities &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;42,274&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(66)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,733&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,514&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;45,455&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;71,431&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,044)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,048&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,109&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;75,544&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.775%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.600%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.600%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.600%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.600%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.520%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.605%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liabilities Incurred&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liabilities Settled&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accretion&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Revisions to Prior Estimates&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric Utilities&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (b) (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28,120&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,217&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(185)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,230&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,225)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;29,157&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas Utilities &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;36,085&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,782&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(132)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,539&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;42,274&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;64,205&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,999&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(317)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,769&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,225)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;71,431&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;The Revisions to Prior Estimates were primarily driven by changes in estimates associated with natural gas wells.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(b)&#160;&#160;&#160;&#160;Liabilities incurred were related to new wind assets.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(c)&#160;&#160;&#160;&#160;The Revisions to Prior Estimates were primarily driven by changes in estimated costs associated with back-filling the pit with overburden removed during the mining process.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(d)&#160;&#160;&#160;&#160;Liabilities incurred were driven by an increase in gas pipeline miles; which increases our legal liability for retirement of gas pipelines, specifically to purge and cap these lines in accordance with federal regulations.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We also have legally required AROs related to certain assets within our electric transmission and distribution systems. These retirement obligations are pursuant to an easement or franchise agreement and are only required if we discontinue our utility service under such easement or franchise agreement. Accordingly, it is not possible to estimate a time period when these obligations could be settled, and therefore, a liability for the cost of these obligations cannot be measured at this time.&lt;/span&gt;&lt;/div&gt;</us-gaap:AssetRetirementObligationDisclosureTextBlock>
    <us-gaap:ScheduleOfChangeInAssetRetirementObligationTableTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTAvZnJhZzplODIyNGVmYmU0YTc0MWQxOGQwMzJmNWZiN2U3NmNlYy90ZXh0cmVnaW9uOmU4MjI0ZWZiZTRhNzQxZDE4ZDAzMmY1ZmI3ZTc2Y2VjXzE5OTk_fd5aad63-5234-4959-8f3d-de0477303e7a">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following tables present the details of AROs which are included on the accompanying Consolidated Balance Sheets in Other deferred credits and other liabilities (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.775%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.600%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.600%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.600%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.600%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.520%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.605%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liabilities Incurred&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liabilities Settled&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accretion&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Revisions to Prior Estimates&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;29,157&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(978)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,315&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;595&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;30,089&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas Utilities &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;42,274&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(66)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,733&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,514&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;45,455&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;71,431&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,044)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,048&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,109&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;75,544&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.775%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.600%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.600%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.600%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.600%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.520%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.605%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liabilities Incurred&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liabilities Settled&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accretion&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Revisions to Prior Estimates&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric Utilities&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (b) (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28,120&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,217&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(185)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,230&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,225)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;29,157&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas Utilities &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;36,085&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,782&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(132)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,539&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;42,274&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;64,205&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,999&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(317)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,769&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,225)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;71,431&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" 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colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Letters of Credit &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Revolving Credit Facility&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,209&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;24,730&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;CP Program&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;420,180&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;234,040&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;420,180&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,209&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;234,040&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;24,730&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Letters of credit are off-balance sheet commitments that reduce the borrowing capacity available on our corporate Revolving Credit Facility.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Revolving Credit Facility and CP Program&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On July 19, 2021, we amended and restated our corporate Revolving Credit Facility, maintaining total commitments of $750 million and extending the term through July 19, 2026 with two one year extension options (subject to consent from lenders). This Revolving Credit Facility is similar to the former revolving credit facility, which includes an accordion feature that allows us to increase total commitments up to $1.0 billion with the consent of the administrative agent, the issuing agents and each bank increasing or providing a new commitment. Borrowings continue to be available under a base rate or various Eurodollar rate options. The interest costs associated with the letters of credit or borrowings and the commitment fee under the Revolving Credit Facility are determined based upon our Corporate credit rating from S&amp;amp;P, Fitch and Moody's for our senior unsecured long-term debt. Based on our current credit ratings, the margins for base rate borrowings, Eurodollar borrowings and letters of credit were 0.125%, 1.125% and 1.125%, respectively, at December 31, 2021. Based on our credit ratings, a 0.175% commitment fee was charged on the unused amount at December 31, 2021.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We have a $750 million, unsecured CP Program that is backstopped by the Revolving Credit Facility. Amounts outstanding under the Revolving Credit Facility and the CP Program, either individually or in the aggregate, cannot exceed $750 million. The notes issued under the CP Program may have maturities not to exceed 397 days from the date of issuance and bear interest (or are sold at par less a discount representing an interest factor) based on, among other things, the size and maturity date of the note, the frequency of the issuance and our credit ratings. Under the CP Program, any borrowings rank equally with our unsecured debt. Notes under the CP Program are not registered and are offered and issued pursuant to a registration exemption.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our net short-term borrowings (payments) during 2021 were $186 million. As of December 31, 2021, the weighted average interest rate on short-term borrowings was 0.30%.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Total accumulated deferred financing costs on the Revolving Credit Facility of $8.9 million are being amortized over its estimated useful life and were included in Interest expense on the accompanying Consolidated Statements of Income. See below for additional details.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Term Loan&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On February 24, 2021, we entered into a nine-month, $800&#160;million unsecured term loan to provide additional liquidity and to meet our cash needs related to the incremental fuel, purchased power and natural gas costs from Winter Storm Uri. The term loan, carried no prepayment penalty and was subject to the same covenant requirements as our Revolving Credit Facility. We repaid $200&#160;million of this term loan in the first quarter of 2021. Proceeds from the August 26, 2021 public debt offering (discussed below) were used to repay the remaining balance on this term loan.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Long-term debt&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Long-term debt outstanding was as follows (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:42.970%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:16.469%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.784%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.637%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.640%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Interest Rate at&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Balance Outstanding&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Due Date&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Corporate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Senior unsecured notes due 2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;November 30, 2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4.25%&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;525,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;525,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Senior unsecured notes due 2024&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;August 23, 2024&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1.04%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;600,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Senior unsecured notes due 2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;January 15, 2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3.95%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Senior unsecured notes due 2027&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;January 15, 2027&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3.15%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;400,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;400,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Senior unsecured notes, due 2029&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;October 15, 2029&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3.05%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;400,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;400,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Senior unsecured notes, due 2030&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;June 15, 2030&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2.50%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;400,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;400,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Senior unsecured notes due 2033&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;May 1, 2033&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4.35%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;400,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;400,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Senior unsecured notes, due 2046&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;September 15, 2046&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4.20%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Senior unsecured notes, due 2049&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;October 15, 2049&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3.88%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Corporate term loan due 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;June 7, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,436&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Corporate debt&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,625,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,026,436&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Less unamortized debt discount&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(6,125)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(7,013)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Corporate debt, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,618,875&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,019,423&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;South Dakota Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;First Mortgage Bonds due 2032&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;August 15, 2032&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;7.23%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;75,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;75,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;First Mortgage Bonds due 2039&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;November 1, 2039&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;6.13%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;180,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;180,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;First Mortgage Bonds due 2044&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;October 20, 2044&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4.43%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;85,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;85,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total South Dakota Electric debt&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;340,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;340,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Less unamortized debt discount&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(74)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(78)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total South Dakota Electric debt, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;339,926&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;339,922&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Wyoming Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Industrial development revenue bonds due 2021&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;September 1, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;7,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Industrial development revenue bonds due 2027&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline"&gt;(a) (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;March 1, 2027&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;0.15%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;10,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;10,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;First Mortgage Bonds due 2037&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;November 20, 2037&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;6.67%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;110,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;110,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;First Mortgage Bonds due 2044&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;October 20, 2044&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4.53%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;75,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;75,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Wyoming Electric debt&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;195,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;202,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Less unamortized debt discount&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Wyoming Electric debt, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;195,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;202,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total long-term debt&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4,153,801&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,561,345&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Less current maturities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,436&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Less unamortized deferred financing costs &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;26,878&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;24,809&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Long-term debt, net of current maturities and deferred financing costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4,126,923&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,528,100&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Variable interest rate.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(b)&#160;&#160;&#160;&#160;A reimbursement agreement is in place with Wells Fargo on behalf of Wyoming Electric for the 2009A bonds of $10 million due March 1, 2027. In the case of default, we hold the assumption of liability for drawings on Wyoming Electric&#x2019;s Letter of Credit attached to these bonds.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(c)&#160;&#160;&#160;&#160;Includes deferred financing costs associated with our Revolving Credit Facility of $2.5 million and $1.0 million as of December 31, 2021 and December 31, 2020, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Scheduled maturities of long-term debt, excluding amortization of premiums or discounts, for future years are (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:38.888%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:48.900%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:48.900%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;525,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;600,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Thereafter&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,735,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our debt securities contain certain restrictive financial covenants, all of which the Company and its subsidiaries were in compliance with at December 31, 2021. See below for additional information.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Substantially all of the tangible utility property of South Dakota Electric and Wyoming Electric is subject to the lien of indentures securing their first mortgage bonds. First mortgage bonds of South Dakota Electric and Wyoming Electric may be issued in amounts limited by property, earnings and other provisions of the mortgage indentures.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Amortization of Deferred Financing Costs&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our deferred financing costs and associated amortization expense included in Interest expense on the accompanying Consolidated Statements of Income were as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:42.174%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:2.993%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:16.443%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:16.443%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:16.447%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred Financing Costs Remaining at&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization Expense for the years ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;26,878&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,769&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,272&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,242&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Debt Transactions&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On August 26, 2021, we completed a public debt offering which consisted of $600&#160;million, 1.037% three-year senior unsecured notes due August 23, 2024. The notes include an optional redemption provision and may be redeemed, in whole or in part, without premium, on or after February 23, 2022. The proceeds from the offering, which were net of $3.7&#160;million of deferred financing costs, were used to repay amounts outstanding under our term loan entered into on February 24, 2021.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On June 17, 2020, we completed a public debt offering which consisted of $400&#160;million of 2.50% 10-year senior unsecured notes due June 15, 2030. The proceeds were used to repay short-term debt and for working capital and general corporate purposes.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Debt Covenants&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Revolving Credit Facility&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Under our Revolving Credit Facility, we are required to maintain a Consolidated Indebtedness to Capitalization Ratio not to exceed 0.65 to 1.00.&#160;Subject to applicable cure periods, a violation of any of these covenants would constitute an event of default that entitles the lenders to terminate their remaining commitments and accelerate all principal and interest outstanding.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We were in compliance with our covenants at December 31, 2021 as shown below:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:54.097%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:21.886%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.824%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.709%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.884%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Covenant Requirement&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Consolidated Indebtedness to Capitalization Ratio&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;62.1%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less than&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;65%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Wyoming Electric&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Covenants within Wyoming Electric's financing agreements require Wyoming Electric to maintain a debt to capitalization ratio of no more than 0.60 to 1.00. As of December 31, 2021, we were in compliance with these financial covenants.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Dividend Restrictions&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our Revolving Credit Facility and other debt obligations contain restrictions on the payment of cash dividends when a default or event of default occurs.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Due to our holding company structure, substantially all of our operating cash flows are provided by dividends paid or distributions made by our subsidiaries. The cash to pay dividends to our shareholders is derived from these cash flows. As a result, certain statutory limitations or regulatory or financing agreements could affect the levels of distributions allowed to be made by our subsidiaries.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our Utilities are generally limited to the amount of dividends allowed to be paid to our utility holding company under the Federal Power Act and settlement agreements with state regulatory jurisdictions. As of December 31, 2021, the amount of restricted net assets at our Utilities that may not be distributed to our utility holding company in the form of a loan or dividend was approximately $155 million.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;South Dakota Electric and Wyoming Electric are generally limited to the amount of dividends allowed to be paid to our utility holding company under certain financing agreements.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Equity&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;At-the-Market Equity Offering Program&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On August 3, 2020, we filed a shelf registration and DRSPP with the SEC. In conjunction with these shelf filings, we renewed the ATM. The renewed ATM program, which allows us to sell shares of our common stock, is the same as the prior program other than the aggregate value increased from $300&#160;million to $400&#160;million and a forward sales option was incorporated. This forward sales option allows us to sell our shares through the ATM program at the current trading price without actually issuing any shares to satisfy the sale until a future date. Under the ATM, shares may be offered from time to time pursuant to a sales agreement dated August 3, 2020. Shares of common stock are offered pursuant to our shelf registration statement filed with the SEC.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;During the twelve months ended December 31, 2021, we issued a total of 1,812,197 shares of common stock under the ATM for $119&#160;million, net of $1.1&#160;million in issuance costs. We did not issue any shares of common stock under the ATM during the twelve months ended December 31, 2020. During the twelve months ended December 31, 2019, we issued a total of 1,328,332 shares of common stock under the ATM for $99 million, net of $1.2 million in issuance costs.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;February 2020 Equity Issuance&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On February&#160;27, 2020, we issued 1.2&#160;million shares of common stock to a single investor through an underwritten registered transaction at a price of $81.77 per share for proceeds of $99&#160;million, net of $1.0&#160;million of issuance costs. The shares of common stock were offered pursuant to our shelf registration statement filed with the SEC.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Shareholder Dividend Reinvestment and Stock Purchase Plan&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We have a DRSPP under which shareholders may purchase additional shares of common stock through dividend reinvestment and/or optional cash payments at 100% of the recent average market price. We have the option of issuing new shares or purchasing the shares on the open market. We issued new shares until March 1, 2018, after which we began purchasing shares on the open market. At December 31, 2021, there were 116,306 shares of unissued stock available for future offering under the DRSPP.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Preferred Stock&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our articles of incorporation authorize the issuance of 25 million shares of preferred stock of which we had no shares of preferred stock outstanding as of December 31, 2021 and 2020.&lt;/span&gt;&lt;/div&gt;</us-gaap:DebtDisclosureTextBlock>
    <us-gaap:ScheduleOfShortTermDebtTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzc1NTc_3d3b9bbe-6fc9-46df-9079-5db974911e38">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We had the following Notes payable outstanding at the Consolidated Balance Sheets date (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:44.514%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.498%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Balance Outstanding&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Letters of Credit &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Balance Outstanding&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Letters of Credit &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Revolving Credit Facility&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,209&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;24,730&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;CP Program&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;420,180&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;234,040&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;420,180&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,209&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;234,040&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid 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      unitRef="usd">750000000</bkh:CommercialPaperMaximumBorrowingCapacity>
    <us-gaap:DebtInstrumentTerm
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      unitRef="number">0.0030</us-gaap:DebtWeightedAverageInterestRate>
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    <us-gaap:DebtInstrumentTerm
      contextRef="ie57295ac312e4b70ac4082527750d726_D20210224-20210224"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzY1MzA_b820e09f-7fdf-4485-9f2c-531a1fba3531">P9M</us-gaap:DebtInstrumentTerm>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzY0OTY_d04d323b-c6c5-42a8-8a8d-8837f1754349"
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzYwNDczMTM5Nzc4Nzg_bc1a431d-1bd3-4645-82fb-deca4d6cee9d"
      unitRef="usd">0</us-gaap:PaymentsOfDebtExtinguishmentCosts>
    <us-gaap:RepaymentsOfOtherShortTermDebt
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzY1MTE_fac3ea15-e484-4f50-912c-ef351ffafce3"
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    <us-gaap:ScheduleOfDebtInstrumentsTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzc1Mzg_84a3f2d8-1056-416b-ba4a-23b6a79e7005">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Long-term debt outstanding was as follows (dollars in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:42.970%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:16.469%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.784%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.637%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.640%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Interest Rate at&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Balance Outstanding&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Due Date&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Corporate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Senior unsecured notes due 2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;November 30, 2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4.25%&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;525,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;525,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Senior unsecured notes due 2024&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;August 23, 2024&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1.04%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;600,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Senior unsecured notes due 2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;January 15, 2026&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3.95%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Senior unsecured notes due 2027&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;January 15, 2027&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3.15%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;400,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;400,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Senior unsecured notes, due 2029&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;October 15, 2029&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3.05%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;400,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;400,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Senior unsecured notes, due 2030&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;June 15, 2030&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2.50%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;400,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;400,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Senior unsecured notes due 2033&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;May 1, 2033&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4.35%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;400,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;400,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Senior unsecured notes, due 2046&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;September 15, 2046&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4.20%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Senior unsecured notes, due 2049&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;October 15, 2049&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3.88%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Corporate term loan due 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;June 7, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,436&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Corporate debt&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,625,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,026,436&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Less unamortized debt discount&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(6,125)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(7,013)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Corporate debt, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,618,875&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,019,423&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;South Dakota Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;First Mortgage Bonds due 2032&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;August 15, 2032&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;7.23%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;75,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;75,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;First Mortgage Bonds due 2039&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;November 1, 2039&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;6.13%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;180,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;180,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;First Mortgage Bonds due 2044&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;October 20, 2044&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4.43%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;85,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;85,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total South Dakota Electric debt&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;340,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;340,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Less unamortized debt discount&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(74)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(78)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total South Dakota Electric debt, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;339,926&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;339,922&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Wyoming Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Industrial development revenue bonds due 2021&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;September 1, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;7,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Industrial development revenue bonds due 2027&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline"&gt;(a) (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;March 1, 2027&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;0.15%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;10,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;10,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;First Mortgage Bonds due 2037&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;November 20, 2037&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;6.67%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;110,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;110,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;First Mortgage Bonds due 2044&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;October 20, 2044&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4.53%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;75,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;75,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Wyoming Electric debt&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;195,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;202,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Less unamortized debt discount&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 30.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Wyoming Electric debt, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;195,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;202,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total long-term debt&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4,153,801&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,561,345&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Less current maturities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,436&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Less unamortized deferred financing costs &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;26,878&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;24,809&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 25.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Long-term debt, net of current maturities and deferred financing costs&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4,126,923&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,528,100&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Variable interest rate.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(b)&#160;&#160;&#160;&#160;A reimbursement agreement is in place with Wells Fargo on behalf of Wyoming Electric for the 2009A bonds of $10 million due March 1, 2027. 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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzc1MzQ_93da77ca-0a1e-4dd2-bbd7-aeff6a042bf4">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Scheduled maturities of long-term debt, excluding amortization of premiums or discounts, for future years are (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:38.888%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:48.900%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:48.900%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;525,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;600,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;300,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Thereafter&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span 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      unitRef="usd">2735000000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzc1Njg_c892e806-5b18-40ae-abc9-1c88e0961ebe">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our deferred financing costs and associated amortization expense included in Interest expense on the accompanying Consolidated Statements of Income were as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:42.174%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:2.993%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:16.443%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:16.443%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:16.447%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred Financing Costs Remaining at&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization Expense for the years ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:top"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;26,878&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,769&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,272&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,242&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</bkh:DeferredFinancingCostsTableTextBlock>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTphMTQ3MWE2MDk0M2M0MmQ5OTJhY2Q2MWNiNDJkN2QzZS90YWJsZXJhbmdlOmExNDcxYTYwOTQzYzQyZDk5MmFjZDYxY2I0MmQ3ZDNlXzItMC0xLTEtMA_aef1da7b-5dde-48c0-a183-6973a401b761"
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTphMTQ3MWE2MDk0M2M0MmQ5OTJhY2Q2MWNiNDJkN2QzZS90YWJsZXJhbmdlOmExNDcxYTYwOTQzYzQyZDk5MmFjZDYxY2I0MmQ3ZDNlXzItMi0xLTEtMA_cb53401a-cc32-4fac-ab80-480b26a7014c"
      unitRef="usd">3769000</us-gaap:AmortizationOfFinancingCosts>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTphMTQ3MWE2MDk0M2M0MmQ5OTJhY2Q2MWNiNDJkN2QzZS90YWJsZXJhbmdlOmExNDcxYTYwOTQzYzQyZDk5MmFjZDYxY2I0MmQ3ZDNlXzItMy0xLTEtMA_d58c4595-05f4-4f24-a47a-b3ffbb3fa3e7"
      unitRef="usd">3272000</us-gaap:AmortizationOfFinancingCosts>
    <us-gaap:AmortizationOfFinancingCosts
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90YWJsZTphMTQ3MWE2MDk0M2M0MmQ5OTJhY2Q2MWNiNDJkN2QzZS90YWJsZXJhbmdlOmExNDcxYTYwOTQzYzQyZDk5MmFjZDYxY2I0MmQ3ZDNlXzItNC0xLTEtMA_9fc99fc2-fea3-46bb-9792-ebad293397db"
      unitRef="usd">3242000</us-gaap:AmortizationOfFinancingCosts>
    <us-gaap:ProceedsFromIssuanceOfDebt
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzY1MzI_caa01bf2-8d90-47c8-b4f4-2e1d4fb1010d"
      unitRef="usd">600000000</us-gaap:ProceedsFromIssuanceOfDebt>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzY1NDY_cbaf766f-6504-4f9c-b7b4-c40f4c1610db"
      unitRef="number">0.01037</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentTerm
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    <us-gaap:DeferredFinanceCostsNet
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzIxOTkwMjMyNzY1NjM_e1848c5e-8d22-436e-ad58-57f8cbf8007e"
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzQwMjg_bd7004ed-566a-48b1-a8dc-56e510f765b7"
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    <us-gaap:DebtInstrumentInterestRateStatedPercentage
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzQwMzQ_55e126f9-d2c7-413a-a7f6-2e5e2ac6e2ff"
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    <us-gaap:LongTermDebtTerm
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    <bkh:DebtInstrumentDebtToCapitalizationRatioRequirement
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      unitRef="number">0.65</bkh:DebtInstrumentDebtToCapitalizationRatioRequirement>
    <bkh:CreditFacilityAndShortTermDebtCovenantsTableTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8xOTYvZnJhZzpiMmE2NWZmOWNhMmE0NTdiOWYwM2MyMThhODI2YTdhZS90ZXh0cmVnaW9uOmIyYTY1ZmY5Y2EyYTQ1N2I5ZjAzYzIxOGE4MjZhN2FlXzc1NTE_d5ae52e2-aee2-40c4-827a-cb7a7d18a3b1">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We were in compliance with our covenants at December 31, 2021 as shown below:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:54.097%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:21.886%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.824%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.709%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.884%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Covenant Requirement&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Consolidated Indebtedness to Capitalization Ratio&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;62.1%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less than&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;65%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</bkh:CreditFacilityAndShortTermDebtCovenantsTableTextBlock>
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    <us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90ZXh0cmVnaW9uOmI1YWZlM2QxMGNkOTQ4MTQ4YmZkMjkyODcyOTM3NDNlXzk0MTI_2fc52971-64b2-466b-a244-29c557af44ed">RISK MANAGEMENT AND DERIVATIVES&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Market and Credit Risk Disclosures&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our activities in the energy industry expose us to a number of risks in the normal operations of our businesses. Depending on the activity, we are exposed to varying degrees of market risk and credit risk. To manage and mitigate these identified risks, we have adopted the Black Hills Corporation Risk Policies and Procedures. Valuation methodologies for our derivatives are detailed within &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_172" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 1&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Market Risk&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Market risk is the potential loss that may occur as a result of an adverse change in market price, rate or supply. We are exposed, but not limited to, the following market risks:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:27pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt"&gt;Commodity price risk associated with our retail natural gas and wholesale electric power marketing activities and our fuel procurement for several of our gas-fired generation assets, which include market fluctuations due to unpredictable factors such as the COVID-19 pandemic, weather (Winter Storm Uri), market speculation, inflation, pipeline constraints, and other factors that may impact natural gas and electric supply and demand; and&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:27pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;&#x2022;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt"&gt;Interest rate risk associated with future debt, including reduced access to liquidity during periods of extreme capital markets volatility, such as the 2008 financial crisis and the COVID-19 pandemic.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Credit Risk&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Credit risk is the risk of financial loss resulting from non-performance of contractual obligations by a counterparty.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We attempt to mitigate our credit exposure by conducting business primarily with high credit quality entities, setting tenor and credit limits commensurate with counterparty financial strength, obtaining master netting agreements and mitigating credit exposure with less creditworthy counterparties through parental guarantees, cash collateral requirements, letters of credit and other security agreements.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We perform ongoing credit evaluations of our customers and adjust credit limits based upon payment history and the customer&#x2019;s current creditworthiness, as determined by review of their current credit information. We maintain a provision for estimated credit losses based upon historical experience, changes in current market conditions, expected losses and any specific customer collection issue that is identified. Our credit exposure at December 31, 2021 was concentrated primarily among retail utility customers, investment grade companies, cooperative utilities and federal agencies.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Derivatives and Hedging Activity&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our derivative and hedging activities included in the accompanying Consolidated Balance Sheets, Consolidated Statements of Income and Consolidated Statements of Comprehensive Income (Loss) are detailed below and within &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_205" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 10&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The operations of our Utilities, including natural gas sold by our Gas Utilities and natural gas used by our Electric Utilities&#x2019; generation plants or those plants under PPAs where our Electric Utilities must provide the generation fuel (tolling agreements), expose our utility customers to natural gas price volatility. Therefore, as allowed or required by state utility commissions, we have entered into commission approved hedging programs utilizing natural gas futures, options, over-the-counter swaps and basis swaps to reduce our customers&#x2019; underlying exposure to these fluctuations. These transactions are considered derivatives, and in accordance with accounting standards for derivatives and hedging, mark-to-market adjustments are recorded as Derivative assets or Derivative liabilities on the accompanying Consolidated Balance Sheets, net of balance sheet offsetting as permitted by GAAP.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;For our regulated Utilities&#x2019; hedging plans, unrealized and realized gains and losses, as well as option premiums and commissions on these transactions are recorded as Regulatory assets or Regulatory liabilities in the accompanying Consolidated Balance Sheets in accordance with state regulatory commission guidelines. When the related costs are recovered through our rates, the hedging activity is recognized in the Consolidated Statements of Income.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We periodically have wholesale power purchase and sale contracts used to manage purchased power costs and load requirements associated with serving our electric customers that are considered derivative instruments due to not qualifying for the normal purchase and normal sales exception to derivative accounting. Changes in the fair value of these commodity derivatives are recognized in the Consolidated Statements of Income.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We buy, sell and deliver natural gas at competitive prices by managing commodity price risk. As a result of these activities, this area of our business is exposed to risks associated with changes in the market price of natural gas. We manage our exposure to such risks using over-the-counter and exchange traded options and swaps with counterparties in anticipation of forecasted purchases and sales during time frames ranging from January 2022 through October 2024. A portion of our over-the-counter swaps have been designated as cash flow hedges to mitigate the commodity price risk associated with deliveries under fixed price forward contracts to deliver gas to our Choice Gas Program customers. The gain or loss on these designated derivatives is reported in AOCI in the accompanying Consolidated Balance Sheets and reclassified into earnings in the same period that the underlying hedged item is recognized in earnings. Effectiveness of our hedging position is evaluated at least quarterly.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The contract or notional amounts and terms of the natural gas derivative commodity instruments held by our utilities are comprised of both short and long positions. We had the following net long positions as of:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:40.334%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.541%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.541%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.541%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.543%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Notional (MMBtus)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Maximum Term (months) &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Notional (MMBtus)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Maximum Term (months) &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Natural gas futures purchased&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;590,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;620,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Natural gas options purchased, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,100,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,160,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Natural gas basis swaps purchased&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;870,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;900,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Natural gas over-the-counter swaps, net &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,570,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;34&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,850,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;17&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Natural gas physical commitments, net &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;16,416,677&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;24&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;17,513,061&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;22&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric wholesale contracts&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;0&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;219,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Term reflects the maximum forward period hedged.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(b)&#160;&#160;&#160;&#160;As of December 31, 2021, 1,830,000 of natural gas over-the-counter swaps purchased were designated as cash flow hedges.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(c)&#160;&#160;&#160;&#160;Volumes exclude derivative contracts that qualify for the normal purchase, normal sales exception permitted by GAAP.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We have certain derivative contracts which contain credit provisions. These credit provisions may require the Company to post collateral when credit exposure to the Company is in excess of a negotiated line of unsecured credit. At December 31, 2021, the Company posted $2.1&#160;million related to such provisions, which is included in Other current assets on the Consolidated Balance Sheets.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Derivatives by Balance Sheet Classification&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;As required by accounting standards for derivatives and hedges, fair values within the following tables are presented on a gross basis aside from the netting of asset and liability positions. Netting of positions is permitted in accordance with accounting standards for offsetting and under terms of our master netting agreements that allow us to settle positive and negative positions.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following tables present the fair value and balance sheet classification of our derivative instruments as of December 31, (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:34.090%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:32.917%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.295%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.298%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Balance Sheet Location&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivatives designated as hedges:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Asset derivative instruments:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current commodity derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivative assets - current&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,017&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;181&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Noncurrent commodity derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other assets, non-current&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;18&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;43&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liability derivative instruments:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current commodity derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivative liabilities - current&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(108)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total derivatives designated as hedges&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,035&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;116&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivatives not designated as hedges:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Asset derivative instruments:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current commodity derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivative assets - current&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,356&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,667&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Noncurrent commodity derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other assets, non-current&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;804&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;151&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liability derivative instruments:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current commodity derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivative liabilities - current&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,439)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,936)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Noncurrent commodity derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other deferred credits and other liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(20)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total derivatives not designated as hedges&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,701&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(118)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Derivatives Designated as Hedge Instruments&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The impact of cash flow hedges on our Consolidated Statements of Income is presented below for the years ended December 31, 2021, 2020 and 2019. Note that this presentation does not reflect the gains or losses arising from the underlying physical transactions; therefore, it is not indicative of the economic profit or loss we realized when the underlying physical and financial transactions were settled.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:22.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:7.671%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:7.525%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:7.525%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:22.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:7.671%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:7.671%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:7.677%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivatives in Cash Flow Hedging Relationships&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="border-bottom:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amount of Gain/(Loss) Recognized in OCI&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income Statement Location&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="border-bottom:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amount of Gain/(Loss) Reclassified from AOCI into Income &lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest rate swaps&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cfffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cfffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,851&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cfffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,851&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,851&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest expense&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,851)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,851)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,851)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,952&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;540&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(965)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fuel, purchased power and cost of natural gas sold&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,051&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(601)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;417&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total &lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,803&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,391&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,886&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(800)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3,452)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,434)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;As of December 31, 2021, $0.9&#160;million of net losses related to our interest rate swaps and commodity derivatives are expected to be reclassified from AOCI into earnings within the next 12 months. As market prices fluctuate, estimated and actual realized gains or losses will change during future periods.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Derivatives Not Designated as Hedge Instruments&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following table summarizes the impacts of derivative instruments not designated as hedge instruments on our Consolidated Statements of Income for the years ended December 31, 2021, 2020 and 2019. Note that this presentation does not reflect the expected gains or losses arising from the underlying physical transactions; therefore, it is not indicative of the economic gross profit we realized when the underlying physical and financial transactions were settled.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:30.040%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:38.373%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.695%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.695%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.697%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivatives Not Designated as Hedging Instruments&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income Statement Location&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="border-bottom:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amount of Gain/(Loss) on Derivatives Recognized in Income&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fuel, purchased power and cost of natural gas sold&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(144)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;144&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Natural Gas&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fuel, purchased power and cost of natural gas sold&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,599&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,640&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,100)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,455&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,784&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,100)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;As discussed above, financial instruments used in our regulated Gas Utilities are not designated as cash flow hedges. However, there is no earnings impact because the unrealized gains and losses arising from the use of these financial instruments are recorded as Regulatory assets or Regulatory liabilities. The net unrealized losses included in our Regulatory assets or Regulatory liability accounts related to these financial instruments in our Gas Utilities were $2.6 million and $2.2 million at December 31, 2021 and 2020, respectively. For our Electric Utilities, the unrealized gains and losses arising from these derivatives are recognized in the Consolidated Statements of Income.&lt;/span&gt;&lt;/div&gt;</us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock>
    <us-gaap:ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90ZXh0cmVnaW9uOmI1YWZlM2QxMGNkOTQ4MTQ4YmZkMjkyODcyOTM3NDNlXzk0MDM_e822186a-40f0-49d4-b492-c36681d547a2">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The contract or notional amounts and terms of the natural gas derivative commodity instruments held by our utilities are comprised of both short and long positions. We had the following net long positions as of:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:40.334%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.541%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.541%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.541%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.543%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Notional (MMBtus)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Maximum Term (months) &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Notional (MMBtus)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Maximum Term (months) &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Natural gas futures purchased&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;590,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;620,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Natural gas options purchased, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,100,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,160,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Natural gas basis swaps purchased&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;870,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;900,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Natural gas over-the-counter swaps, net &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,570,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;34&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,850,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;17&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Natural gas physical commitments, net &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;16,416,677&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;24&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;17,513,061&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;22&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric wholesale contracts&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;0&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;219,000&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Term reflects the maximum forward period hedged.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(b)&#160;&#160;&#160;&#160;As of December 31, 2021, 1,830,000 of natural gas over-the-counter swaps purchased were designated as cash flow hedges.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(c)&#160;&#160;&#160;&#160;Volumes exclude derivative contracts that qualify for the normal purchase, normal sales exception permitted by GAAP.&lt;/span&gt;&lt;/div&gt;</us-gaap:ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90ZXh0cmVnaW9uOmI1YWZlM2QxMGNkOTQ4MTQ4YmZkMjkyODcyOTM3NDNlXzk0MTY_889d30ba-f0b5-4eee-afe2-cc0d67f5c881">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following tables present the fair value and balance sheet classification of our derivative instruments as of December 31, (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:34.090%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:32.917%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.295%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.298%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Balance Sheet Location&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivatives designated as hedges:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Asset derivative instruments:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current commodity derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivative assets - current&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,017&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;181&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Noncurrent commodity derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other assets, non-current&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;18&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;43&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liability derivative instruments:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current commodity derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivative liabilities - current&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(108)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="6" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total derivatives designated as hedges&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,035&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;116&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivatives not designated as hedges:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Asset derivative instruments:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current commodity derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivative assets - current&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,356&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,667&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Noncurrent commodity derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other assets, non-current&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;804&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;151&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liability derivative instruments:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current commodity derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivative liabilities - current&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,439)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,936)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Noncurrent commodity derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other deferred credits and other liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(20)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="6" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total derivatives not designated as hedges&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,701&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(118)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDIvZnJhZzpiNWFmZTNkMTBjZDk0ODE0OGJmZDI5Mjg3MjkzNzQzZS90ZXh0cmVnaW9uOmI1YWZlM2QxMGNkOTQ4MTQ4YmZkMjkyODcyOTM3NDNlXzk0MTE_937862be-7ceb-499a-8002-ff0190d2eb66">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The impact of cash flow hedges on our Consolidated Statements of Income is presented below for the years ended December 31, 2021, 2020 and 2019. Note that this presentation does not reflect the gains or losses arising from the underlying physical transactions; therefore, it is not indicative of the economic profit or loss we realized when the underlying physical and financial transactions were settled.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:22.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:7.671%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:7.525%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:7.525%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:22.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:7.671%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:7.671%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:7.677%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivatives in Cash Flow Hedging Relationships&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="border-bottom:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amount of Gain/(Loss) Recognized in OCI&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income Statement Location&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="border-bottom:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amount of Gain/(Loss) Reclassified from AOCI into Income &lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest rate swaps&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cfffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cfffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,851&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cfffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,851&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,851&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest expense&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,851)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,851)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,851)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,952&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;540&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(965)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fuel, purchased power and cost of natural gas sold&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,051&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(601)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;417&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total &lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,803&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,391&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,886&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(800)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3,452)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,434)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following table summarizes the impacts of derivative instruments not designated as hedge instruments on our Consolidated Statements of Income for the years ended December 31, 2021, 2020 and 2019. Note that this presentation does not reflect the expected gains or losses arising from the underlying physical transactions; therefore, it is not indicative of the economic gross profit we realized when the underlying physical and financial transactions were settled.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:30.040%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:38.373%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.695%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.695%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.697%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivatives Not Designated as Hedging Instruments&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income Statement Location&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="border-bottom:1pt solid #000000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amount of Gain/(Loss) on Derivatives Recognized in Income&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="9" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Electric&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fuel, purchased power and cost of natural gas sold&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(144)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;144&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - 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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90ZXh0cmVnaW9uOmE0OWZlZDQ3MmYzYTRiMDBhOTA2MmQ0NjUxOGFiOWM3XzIwNTg_980926da-1e34-4cf5-8612-6477e34bf60a">FAIR VALUE MEASUREMENTS&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Recurring Fair Value Measurements&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Derivatives&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following tables set forth, by level within the fair value hierarchy, our gross assets and gross liabilities and related offsetting as permitted by GAAP that were accounted for at fair value on a recurring basis for derivative instruments.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:38.227%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:2.285%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.081%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.084%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Level 1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Level 2&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Level 3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Cash Collateral and Counterparty Netting&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="18" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Assets:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,569&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,374)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,195&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,569&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,374)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,195&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liabilities:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,273&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,814)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,459&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,273&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,814)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,459&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;_____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;As of December 31, 2021, $2.4&#160;million of our commodity derivative gross assets and $1.8&#160;million of our commodity derivative gross liabilities, as well as related gross collateral amounts, were subject to master netting agreements.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:38.227%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:2.285%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.081%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.084%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Level 1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Level 2&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Level 3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Cash Collateral and Counterparty Netting&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Assets:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,504&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,527)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;977&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,065&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,065&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,569&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,527)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,042&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liabilities:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,675&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,552)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,123&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;921&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;921&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,596&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,552)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,044&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;As of December 31, 2020, $1.5&#160;million of our commodity derivative assets and $1.6&#160;million of our commodity derivative liabilities, as well as related gross collateral amounts, were subject to master netting agreements.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Pension and Postretirement Plan Assets&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;A discussion of the fair value of our Pension and Postretirement Plan assets is included in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_214" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 13&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Nonrecurring Fair Value Measurement&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;A discussion of the fair value of our investment in equity securities of a privately held oil and gas company, a Level 3 asset, is included in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_172" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 1&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Other Fair Value Measurements&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The carrying amount of cash and cash equivalents, restricted cash and equivalents and short-term borrowings approximates fair value due to their liquid or short-term nature. Cash, cash equivalents and restricted cash are classified in Level 1 in the fair value hierarchy. Notes payable consist of commercial paper borrowings and are not traded on an exchange; therefore, they are classified as Level 2 in the fair value hierarchy.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following table presents the carrying amounts and fair values of financial instruments not recorded at fair value on the Consolidated Balance Sheets at December 31 (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:40.420%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.519%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.519%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.519%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.523%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Carrying Amount&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fair Value&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Carrying Amount&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fair Value&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Long-term debt, including current maturities &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,126,923&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,570,619&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,536,536&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,208,167&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Long-term debt is valued based on observable inputs available either directly or indirectly for similar liabilities in active markets and therefore is classified in Level 2 in the fair value hierarchy. Carrying amount of long-term debt is net of deferred financing costs.&lt;/span&gt;&lt;/div&gt;</us-gaap:DerivativesAndFairValueTextBlock>
    <us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDUvZnJhZzphNDlmZWQ0NzJmM2E0YjAwYTkwNjJkNDY1MThhYjljNy90ZXh0cmVnaW9uOmE0OWZlZDQ3MmYzYTRiMDBhOTA2MmQ0NjUxOGFiOWM3XzIwNzI_36d074dc-a0ae-4772-b4bb-75bac2106343">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following tables set forth, by level within the fair value hierarchy, our gross assets and gross liabilities and related offsetting as permitted by GAAP that were accounted for at fair value on a recurring basis for derivative instruments.&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:38.227%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:2.285%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.081%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.084%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Level 1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Level 2&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Level 3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Cash Collateral and Counterparty Netting&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="18" style="background-color:#cefee7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Assets:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,569&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,374)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,195&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,569&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,374)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,195&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liabilities:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,273&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,814)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,459&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,273&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,814)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,459&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;_____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;As of December 31, 2021, $2.4&#160;million of our commodity derivative gross assets and $1.8&#160;million of our commodity derivative gross liabilities, as well as related gross collateral amounts, were subject to master netting agreements.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:38.227%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.841%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:2.285%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.081%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.084%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="18" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Level 1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Level 2&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Level 3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Cash Collateral and Counterparty Netting&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Assets:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,504&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,527)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;977&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,065&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,065&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,569&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,527)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,042&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liabilities:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,675&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,552)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,123&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity derivatives - Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;921&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;921&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,596&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,552)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,044&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;As of December 31, 2020, $1.5&#160;million of our commodity derivative assets and $1.6&#160;million of our commodity derivative liabilities, as well as related gross collateral amounts, were subject to master netting agreements.&lt;/span&gt;&lt;/div&gt;</us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock>
    <us-gaap:DerivativeAssets
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      unitRef="usd">0</us-gaap:DerivativeAssets>
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      contextRef="ic8eb9be0b1024e94bd2f3ea38f07ce45_I20211231"
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style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.519%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.519%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.523%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Carrying Amount&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fair Value&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Carrying Amount&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fair Value&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Long-term debt, including current maturities &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,126,923&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,570,619&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,536,536&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span 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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90ZXh0cmVnaW9uOmI3Mzk5MzNlNGE0YTQ3MTRiZDdkMWY2NTYwZDdiMWRlXzg3Mg_1e034cb8-2da2-49f8-8cbe-ccf6075e7c20">OTHER COMPREHENSIVE INCOME&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We record deferred gains (losses) in AOCI related to interest rate swaps designated as cash flow hedges, commodity contracts designated as cash flow hedges and the amortization of components of our defined benefit plans. Deferred gains (losses) for our commodity contracts designated as cash flow hedges are recognized in earnings upon settlement, while deferred gains (losses) related to our interest rate swaps are recognized in earnings as they are amortized.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following table details reclassifications out of AOCI and into Net income. The amounts in parentheses below indicate decreases to Net income in the Consolidated Statements of Income for the period, net of tax (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:41.005%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:23.461%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.566%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.568%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr style="height:12pt"&gt;&lt;td colspan="3" rowspan="2" style="padding:0 1pt"/&gt;&lt;td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Location on the Consolidated Statements of Income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amount Reclassified from AOCI&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:12pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gains and (losses) on cash flow hedges:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest rate swaps&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest expense&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,851)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,851)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity contracts&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fuel, purchased power and cost of natural gas sold&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,051&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(601)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(800)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3,452)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income tax&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income tax benefit (expense)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;175&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;383&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total reclassification adjustments related to cash flow hedges, net of tax&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(625)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3,069)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization of components of defined benefit plans:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Prior service cost&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Operations and maintenance&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;98&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;103&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Actuarial gain (loss)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Operations and maintenance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,391)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,387)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,293)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,284)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income tax&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income tax benefit (expense)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;638&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;935&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total reclassification adjustments related to defined benefit plans, net of tax&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,655)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,349)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total reclassifications&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,280)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(4,418)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Balances by classification included within AOCI, net of tax on the accompanying Consolidated Balance Sheets were as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:40.481%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:17.055%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.566%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.223%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.175%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivatives Designated as Cash Flow Hedges&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest Rate Swaps&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity Derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Employee Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(12,558)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(14,790)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(27,346)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other comprehensive income (loss) &lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;before reclassifications&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,023&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,959&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,982&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amounts reclassified from AOCI&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,174&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,549)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,655&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,280&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(10,384)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,476&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(11,176)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(20,084)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivatives Designated as Cash Flow Hedges&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest Rate Swaps&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity Derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Employee Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(15,122)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(456)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(15,077)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(30,655)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other comprehensive income (loss) &lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;before reclassifications&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(47)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,062)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,109)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amounts reclassified from AOCI&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,564&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;505&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,349&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,418&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(12,558)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(14,790)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(27,346)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ComprehensiveIncomeNoteTextBlock>
    <us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMDgvZnJhZzpiNzM5OTMzZTRhNGE0NzE0YmQ3ZDFmNjU2MGQ3YjFkZS90ZXh0cmVnaW9uOmI3Mzk5MzNlNGE0YTQ3MTRiZDdkMWY2NTYwZDdiMWRlXzg4Mg_2ff67cad-c7ef-4135-91f9-97f86284b861">The amounts in parentheses below indicate decreases to Net income in the Consolidated Statements of Income for the period, net of tax (in thousands):&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:41.005%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:23.461%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.566%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.568%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr style="height:12pt"&gt;&lt;td colspan="3" rowspan="2" style="padding:0 1pt"/&gt;&lt;td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Location on the Consolidated Statements of Income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amount Reclassified from AOCI&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:12pt"&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gains and (losses) on cash flow hedges:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest rate swaps&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest expense&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,851)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,851)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity contracts&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fuel, purchased power and cost of natural gas sold&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,051&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(601)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(800)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3,452)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income tax&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income tax benefit (expense)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;175&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;383&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total reclassification adjustments related to cash flow hedges, net of tax&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(625)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3,069)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization of components of defined benefit plans:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Prior service cost&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Operations and maintenance&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;98&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;103&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Actuarial gain (loss)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Operations and maintenance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,391)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,387)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,293)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,284)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income tax&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income tax benefit (expense)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;638&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;935&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total reclassification adjustments related to defined benefit plans, net of tax&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,655)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,349)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total reclassifications&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,280)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(4,418)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid 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style="width:14.566%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.223%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.175%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivatives Designated as Cash Flow Hedges&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest Rate Swaps&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity Derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Employee Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(12,558)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(14,790)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(27,346)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other comprehensive income (loss) &lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;before reclassifications&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,023&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,959&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,982&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amounts reclassified from AOCI&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,174&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,549)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,655&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,280&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(10,384)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,476&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(11,176)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(20,084)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:3pt double #000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Derivatives Designated as Cash Flow Hedges&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest Rate Swaps&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Commodity Derivatives&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Employee Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(15,122)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(456)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(15,077)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(30,655)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other comprehensive income (loss) &lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;before reclassifications&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(47)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,062)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,109)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amounts reclassified from AOCI&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,564&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;505&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,349&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,418&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(12,558)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 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Black Hills Electric Generation is the operator of the facility, which is contracted to provide capacity and energy through 2031 to Colorado Electric.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The accounting for a partial sale of a subsidiary in which control is maintained and the subsidiary continues to be consolidated is specified under ASC 810, &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Consolidation&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;. The partial sale is required to be recorded as an equity transaction with no resulting gain or loss on the sale. GAAP requires that non-controlling interests in subsidiaries and affiliates be reported in the equity section of a company&#x2019;s balance sheet.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Net income available for common stock for the years ended December 31, 2021, 2020 and 2019 was reduced by $15 million,  $15 million, and $14 million, respectively, attributable to this non-controlling interest. The net income allocable to the non-controlling interest holder is based on ownership interest with the exception of certain agreed upon adjustments. Distributions of net income attributable to this non-controlling interest are due within 30 days following the end of a quarter, but may be withheld as necessary by Black Hills Electric Generation.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Black Hills Colorado IPP has been determined to be a VIE in which the Company has a variable interest. Black Hills Electric Generation has been determined to be the primary beneficiary of the VIE as Black Hills Electric Generation is the operator and manager of the generation facility and, as such, has the power to direct the activities that most significantly impact Black Hills Colorado IPP&#x2019;s economic performance. Black Hills Electric Generation, as the primary beneficiary, continues to consolidate Black Hills Colorado IPP. Black Hills Colorado IPP has not received financial or other support from the Company outside of pre-existing contractual arrangements during the reporting period. Black Hills Colorado IPP does not have any debt and its cash flows from operations are sufficient to support its ongoing operations.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We have recorded the following assets and liabilities on our consolidated balance sheets related to the VIE described above as of December 31 (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:70.894%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.536%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.533%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Assets:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,220&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,604&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Property, plant and equipment of variable interest entities, net&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;189,079&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;190,637&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liabilities:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,841&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,318&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:VariableInterestEntityDisclosureTextBlock>
    <bkh:NumberOfMegawattsCapacityPurchasedOld
      contextRef="i846a5a44ce2b45eb8fcf78695828f639_I20211231"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90ZXh0cmVnaW9uOjk5OTI2ODY1YjdhMTRjZGM5Nzk1ODc4MzQzNTVmNzU1XzU5_371fa235-9c40-46a9-8cef-02907b8f74dc"
      unitRef="mw">200</bkh:NumberOfMegawattsCapacityPurchasedOld>
    <us-gaap:VariableInterestEntityOwnershipPercentage
      contextRef="i25a07c368e7c4fde9f480d0b4964b461_D20160414-20160414"
      decimals="INF"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90ZXh0cmVnaW9uOjk5OTI2ODY1YjdhMTRjZGM5Nzk1ODc4MzQzNTVmNzU1XzE5MQ_f794e843-7828-4bd8-86a7-805a26ed8aa8"
      unitRef="number">0.499</us-gaap:VariableInterestEntityOwnershipPercentage>
    <us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
      contextRef="i0e0366d571ca4340b3fea151ac3904f6_D20210101-20211231"
      decimals="-6"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90ZXh0cmVnaW9uOjk5OTI2ODY1YjdhMTRjZGM5Nzk1ODc4MzQzNTVmNzU1Xzk0NA_c6c92f7a-2fb2-4f8a-98c0-13eb36e88f47"
      unitRef="usd">15000000</us-gaap:NetIncomeLossAttributableToNoncontrollingInterest>
    <us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
      contextRef="i832a4034827f4ce6a3a89732520afc75_D20200101-20201231"
      decimals="-6"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90ZXh0cmVnaW9uOjk5OTI2ODY1YjdhMTRjZGM5Nzk1ODc4MzQzNTVmNzU1Xzk0OQ_599cb6ad-b028-45ef-a761-4b108b45b9d1"
      unitRef="usd">15000000</us-gaap:NetIncomeLossAttributableToNoncontrollingInterest>
    <us-gaap:NetIncomeLossAttributableToNoncontrollingInterest
      contextRef="i86b354b0c5c44196b6cde1045520961b_D20190101-20191231"
      decimals="-6"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90ZXh0cmVnaW9uOjk5OTI2ODY1YjdhMTRjZGM5Nzk1ODc4MzQzNTVmNzU1Xzk1Nw_a9ea3472-a40b-4e8a-8bc3-f6665c997717"
      unitRef="usd">14000000</us-gaap:NetIncomeLossAttributableToNoncontrollingInterest>
    <bkh:NumberOfDaysFollowingTheEndOfTheQuarterWhenDistributionsOfNetIncomeAttributableToThisNonControllingInterestAreDue
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90ZXh0cmVnaW9uOjk5OTI2ODY1YjdhMTRjZGM5Nzk1ODc4MzQzNTVmNzU1XzE2NDkyNjc0NDQzNzY_4b955ba7-cdbb-48e7-b91a-10402dacedb7">P30D</bkh:NumberOfDaysFollowingTheEndOfTheQuarterWhenDistributionsOfNetIncomeAttributableToThisNonControllingInterestAreDue>
    <us-gaap:ScheduleOfVariableInterestEntitiesTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90ZXh0cmVnaW9uOjk5OTI2ODY1YjdhMTRjZGM5Nzk1ODc4MzQzNTVmNzU1XzIzNjU_1e20123d-3996-4e55-9e4a-338a3a9555c5">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We have recorded the following assets and liabilities on our consolidated balance sheets related to the VIE described above as of December 31 (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:70.894%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.536%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.533%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.537%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Assets:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,220&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,604&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Property, plant and equipment of variable interest entities, net&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;189,079&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;190,637&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liabilities:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,841&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,318&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfVariableInterestEntitiesTextBlock>
    <us-gaap:AssetsCurrent
      contextRef="id55562bc6bd244d3a5a4ba137dad80f4_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90YWJsZTowY2FjY2UwYTNmZDQ0OWRiOWFiN2IxODA0MzYwNGQxMy90YWJsZXJhbmdlOjBjYWNjZTBhM2ZkNDQ5ZGI5YWI3YjE4MDQzNjA0ZDEzXzMtMS0xLTEtMA_44f9f04b-3908-48c3-9495-92c94b481b9c"
      unitRef="usd">13220000</us-gaap:AssetsCurrent>
    <us-gaap:AssetsCurrent
      contextRef="i05af7a59364d4cc89097d8a84cccde03_I20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTEvZnJhZzo5OTkyNjg2NWI3YTE0Y2RjOTc5NTg3ODM0MzU1Zjc1NS90YWJsZTowY2FjY2UwYTNmZDQ0OWRiOWFiN2IxODA0MzYwNGQxMy90YWJsZXJhbmdlOjBjYWNjZTBhM2ZkNDQ5ZGI5YWI3YjE4MDQzNjA0ZDEzXzMtMy0xLTEtMA_74e1bc1a-8e85-4579-9b81-aeff3409fb9f"
      unitRef="usd">13604000</us-gaap:AssetsCurrent>
    <us-gaap:PropertyPlantAndEquipmentNet
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    <us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyNjU3_f324e4ee-f5a1-4104-87ef-f188237d59cd">EMPLOYEE BENEFIT PLANS&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Defined Contribution Plans&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We sponsor a 401(k) retirement savings plan (the 401(k) Plan). Participants in the 401(k) Plan may elect to invest a portion of their eligible compensation in the 401(k) Plan up to the maximum amounts established by the IRS. The 401(k) Plan provides employees the opportunity to invest up to 50% of their eligible compensation on a pre-tax or after-tax basis.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The 401(k) Plan provides a Company matching contribution for all eligible participants. Certain eligible participants who are not currently accruing a benefit in the Pension Plan also receive a Company retirement contribution based on the participant&#x2019;s age and years of service. Vesting of all Company and matching contributions occurs at 20% per year with 100% vesting when the participant has 5 years of service with the Company.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Defined Benefit Pension Plan&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We have one defined benefit pension plan, the Black Hills Retirement Plan (Pension Plan). The Pension Plan covers certain eligible employees of the Company. The benefits for the Pension Plan are based on years of service and calculations of average earnings during a specific time period prior to retirement. The Pension Plan is closed to new employees and frozen for certain employees who did not meet age and service based criteria.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The Pension Plan assets are held in a Master Trust. Our Board of Directors has approved the Pension Plan&#x2019;s investment policy.  The objective of the investment policy is to manage assets in such a way that will allow the eventual settlement of our obligations to the Pension Plan&#x2019;s beneficiaries. To meet this objective, our pension assets are managed by an outside adviser using a portfolio strategy that will provide liquidity to meet the Pension Plan&#x2019;s benefit payment obligations. The Pension Plan&#x2019;s assets consist primarily of equity, fixed income and hedged investments.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The expected rate of return on the Pension Plan assets is determined by reviewing the historical and expected returns of both equity and fixed income markets, taking into account asset allocation, the correlation between asset class returns and the mix of active and passive investments. The Pension Plan utilizes a dynamic asset allocation where the target range to return-seeking and liability-hedging assets is determined based on the funded status of the Plan. As of December 31, 2021, the expected rate of return on pension plan assets was based on the targeted asset allocation range of 22%&lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;to 30% return-seeking assets and 70% to 78% liability-hedging assets.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our Pension Plan is funded in compliance with the federal government&#x2019;s funding requirements.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Plan Assets&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The percentages of total plan asset by investment category for our Pension Plan at December 31 were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:32.379%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:32.233%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:32.088%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Equity&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;21%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Real estate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fixed income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;74&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;69&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Cash&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Hedge funds&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;100%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;100%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Supplemental Non-qualified Defined Benefit Plans&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We have various supplemental retirement plans for key executives of the Company. The plans are non-qualified defined benefit and defined contribution plans (Supplemental Plans). The Supplemental Plans are subject to various vesting schedules and are funded on a cash basis as benefits are paid.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;BHC sponsors a retiree healthcare plan (Healthcare Plan) for employees who meet certain age and service requirements at retirement. Healthcare Plan benefits are subject to premiums, deductibles, co-payment provisions and other limitations. A portion of the Healthcare Plan for participating business units are pre-funded via VEBA trusts. Pre-65 retirees as well as a grandfathered group of post-65 retirees receive their retiree medical benefits through the Black Hills self-insured retiree medical plans.  Healthcare coverage for post-65 Medicare-eligible retirees is provided through an individual market healthcare exchange.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We fund the Healthcare Plan on a cash basis as benefits are paid. The Healthcare Plan provides for partial pre-funding via VEBA trusts. Assets related to this pre-funding are held in trust and are for the benefit of the union and non-union employees located in the states of Arkansas, Iowa and Kansas. We do not pre-fund the Healthcare Plan for those employees outside Arkansas, Iowa and Kansas.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Plan Contributions&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Contributions to the Pension Plan are cash contributions made directly to the Master Trust. Healthcare and Supplemental Plan contributions are made in the form of benefit payments. Healthcare benefits include company and participant paid premiums. Contributions for the years ended December 31 were as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:69.617%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.541%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.542%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Defined Contribution Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Company retirement contributions&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;11,332&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10,455&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Company matching contributions&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15,938&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15,240&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:69.617%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.541%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.542%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Defined Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Defined Benefit Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12,700&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Non-Pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,432&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,058&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Supplemental Non-Qualified Defined Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,576&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,674&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;While we do not have required contributions, we expect to make $3.9 million in contributions to our Pension Plan in 2022.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Fair Value Measurements&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following tables set forth, by level within the fair value hierarchy, the assets that were accounted for at fair value on a recurring basis (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:33.064%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.021%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="33" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 2&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Investments Measured at Fair Value&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;NAV &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Investments&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Common Collective Trust - Cash and Cash Equivalents&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;6,009&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;6,009&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;6,009&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Common Collective Trust - Equity&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;70,262&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;70,262&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;70,262&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Common Collective Trust - Fixed Income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;339,219&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;339,219&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;339,219&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Common Collective Trust - Real Estate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;30,407&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;30,407&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Hedge Funds&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;12,490&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;12,490&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total investments measured at fair value&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;415,490&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;415,490&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;42,897&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;458,387&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:33.064%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.021%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="33" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 2&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Investments Measured at Fair Value&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;NAV &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Investments&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Common Collective Trust - Cash and Cash Equivalents&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;16,810&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;16,810&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;16,810&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Common Collective Trust - Equity&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;100,311&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;100,311&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;100,311&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Common Collective Trust - Fixed Income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;324,845&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;324,845&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;324,845&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Common Collective Trust - Real Estate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;14,301&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;14,301&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Hedge Funds&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;17,454&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;17,454&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total investments measured at fair value&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;441,966&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;441,966&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;31,755&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;473,721&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Certain investments that are measured at fair value using NAV per share (or its equivalent) for practical expedient have not been classified in the fair value hierarchy. The fair value amounts presented in these tables for these investments are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the reconciliation of changes in the plan&#x2019;s benefit obligations and fair value of plan assets above.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:44.207%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.021%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 2&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Investments Measured at Fair Value&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Investments&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Cash and Cash Equivalents&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;7,972&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;7,972&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;7,972&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total investments measured at fair value&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;7,972&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;7,972&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;7,972&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:44.207%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.021%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 2&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Investments Measured at Fair Value&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Investments&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Cash and Cash Equivalents&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total investments measured at fair value&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Additional information about assets of the benefit plans, including methods and assumptions used to estimate the fair value of these assets, is as follows:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Pension Plan&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:10pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Common Collective Trust Funds: &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;These funds are valued based upon the redemption price of units held by the Pension Plan, which is based on the current fair value of the common collective trust funds&#x2019; underlying assets. Unit values are determined by the financial institution sponsoring such funds by dividing the fund&#x2019;s net assets at fair value by its units outstanding at the valuation dates. The Pension Plan&#x2019;s investments in common collective trust funds, with the exception of shares of the common collective trust-real estate are categorized as Level 2.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:10pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Common Collective Trust-Real Estate Funds&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;: These funds are valued based on various factors of the underlying real estate properties, including market rent, market rent growth, occupancy levels, etc. As part of the trustee&#x2019;s valuation process, properties are externally appraised generally on an annual basis. The appraisals are conducted by reputable independent appraisal firms and signed by appraisers that are members of the Appraisal Institute, with professional designation of Member, Appraisal Institute. All external appraisals are performed in accordance with the Uniform Standards of Professional Appraisal Practices.  We receive monthly statements from the trustee, along with the annual schedule of investments and rely on these reports for pricing the units of the fund. Some of the funds without participant withdrawal limitations are categorized as Level 2.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:10pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following investments are measured at NAV and are not classified in the fair value hierarchy, in accordance with accounting guidance:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:10pt;padding-left:18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Common Collective Trust-Real Estate Fund&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;: This is the same fund as above except that certain of the funds&#x2019; assets contain participant withdrawal policies with restrictions on redemption and are therefore not included in the fair value hierarchy.&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-bottom:10pt;padding-left:18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Hedge Funds: &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;These funds represent investments in other investment funds that seek a return utilizing a number of diverse investment strategies. The strategies, when combined, aim to reduce volatility and risk while attempting to deliver positive returns under all market conditions. Amounts are reported on a one-month lag. The fair value of hedge funds is determined using net asset value per share based on the fair value of the hedge fund&#x2019;s underlying investments. 10% of the shares may be redeemed at the end of each month with a 15-day notice and full redemptions are available at the end of each quarter with 60-day notice and is limited to a percentage of the total net assets value of the fund. The net asset values are based on the fair value of each fund&#x2019;s underlying investments. There are no unfunded commitments related to these hedge funds.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Cash and Cash Equivalents:&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt; This represents an investment in Northern Institutional Government Assets Portfolio, which is a government money market fund. As shares held reflect quoted prices in an active market, they are categorized as Level 1.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Other Plan Information&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following tables provide a reconciliation of the employee benefit plan obligations and fair value of employee benefit plan assets, amounts recognized in the Consolidated Balance Sheets, accumulated benefit obligation, and reconciliation of components of the net periodic expense and elements of AOCI (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Employee Benefit Plan Obligations&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:38.081%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.256%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.256%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.402%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.701%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Defined Benefit Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Supplemental Non-qualified Defined &lt;br/&gt;Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Change in benefit obligation:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Projected benefit obligation at beginning of year&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;514,008&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;485,376&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;55,054&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;54,088&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;70,238&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;65,277&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Service cost &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,038&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,411&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,149&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,579&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,237&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,056&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest cost&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,313&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,426&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;706&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,099&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,058&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,649&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Actuarial (gain) loss&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(14,037)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;47,064&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,073)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;962&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(5,165)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,804&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amendments&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(561)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Benefits paid &lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(35,499)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(37,269)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,576)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,674)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(6,432)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(6,058)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Plan participants&#x2019; contributions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,548&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,510&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Projected benefit obligation at end of year&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;478,262&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;514,008&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;55,260&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;55,054&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;63,484&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;70,238&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;For the year ended December 31, 2020, Service Cost for the Supplemental Non-qualified Defined Benefit Plans includes a $1.4&#160;million correction of a prior year overstatement of Projected benefit obligation.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Fair Value Employee Benefit Plan Assets&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:38.081%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.256%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.256%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.402%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.701%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Defined Benefit&lt;br/&gt;Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Supplemental Non-qualified Defined &lt;br/&gt;Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Change in fair value of plan assets:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Beginning fair value of plan assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;473,721&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;434,284&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,305&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Investment income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;20,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;64,006&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(35)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;33&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Employer contributions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12,700&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,576&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,674&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,726&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,374&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Retiree contributions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,548&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,511&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Benefits paid&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(35,499)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(37,269)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,576)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,674)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(6,432)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(6,058)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Ending fair value of plan assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;458,387&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;473,721&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,972&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Assets of VEBA trusts.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In 2012, we froze our Pension Plan and closed it to new participants. Since then, we have implemented various de-risking strategies including lump sum buyouts, the purchase of annuities and the reduction of return-seeking assets over time to a more liability-hedged portfolio. As a result, capital markets volatility driven by the COVID-19 pandemic did not materially affect our unfunded status.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Amounts Recognized in the Consolidated Balance Sheets&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:37.788%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.402%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.402%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.402%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.702%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Defined Benefit&lt;br/&gt;Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Supplemental&lt;br/&gt;Non-qualified Defined Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Regulatory assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;67,403&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;86,677&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;11,660&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;16,102&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,156&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,927&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,584&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,931&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Non-current liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;19,872&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;40,287&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;53,104&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;53,127&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;50,949&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;57,142&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Regulatory liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,830&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,607&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,447&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,140&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Accumulated Benefit Obligation&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:37.788%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.402%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.402%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.402%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.702%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Defined Benefit&lt;br/&gt;Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Supplemental&lt;br/&gt;Non-qualified Defined Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accumulated Benefit Obligation&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;466,505&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;498,815&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;55,260&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;54,779&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;63,484&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;70,238&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Components of Net Periodic Expense&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:27.701%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.655%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Defined Benefit&lt;br/&gt;Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Supplemental&lt;br/&gt;Non-qualified Defined Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;For the years ended December 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Service cost &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;5,038&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;5,411&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;5,383&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,149&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,579&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4,995&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2,237&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2,056&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,815&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Interest cost&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;9,313&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;13,426&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;17,374&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;706&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,099&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,295&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,058&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,649&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2,247&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Expected return on assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(20,876)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(22,591)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(24,401)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(136)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(182)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(230)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net amortization of prior service cost&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;26&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(434)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(546)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(398)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Recognized net actuarial loss (gain)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;7,315&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,372&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,763&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,754&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,702&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;535&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;466&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;20&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net periodic expense&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;790&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4,618&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2,145&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;5,609&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4,382&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;6,827&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,191&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2,997&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,434&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;For the year ended December 31, 2020, Service Cost for the Supplemental Non-qualified Defined Benefit Plans includes a $1.4&#160;million correction of a prior year overstatement of Projected benefit obligation.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;For the years ended December 31, 2021, 2020 and 2019, Service costs were recorded in Operations and maintenance expense while non service costs were recorded in Other expense on the Consolidated Statements of Income.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;AOCI Amounts (After-Tax)&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:37.699%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.416%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.416%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.532%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.588%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.588%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.532%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.416%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.713%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Defined Benefit&lt;br/&gt;Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Supplemental&lt;br/&gt;Non-qualified Defined Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net (gain) loss&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,398&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,511&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,159&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,323&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(308)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;100&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Prior service cost (gain)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(46)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(27)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(144)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total amounts included in AOCI, after-tax not yet recognized as components of net periodic expense&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,352&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,511&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,159&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,323&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(335)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(44)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Assumptions&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:27.701%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.655%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Defined Benefit&lt;br/&gt;Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Supplemental&lt;br/&gt;Non-qualified Defined Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted-average assumptions used to determine benefit obligations:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Discount rate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.88&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.56&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.27&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.77&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.41&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.14&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.79&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.41&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.15&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Rate of increase in compensation levels&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.08&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.34&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.49&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5.00&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5.00&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5.00&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:27.701%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.655%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Defined Benefit&lt;br/&gt;Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Supplemental&lt;br/&gt;Non-qualified Defined Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted-average assumptions used to determine net periodic benefit cost for plan year:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Discount rate &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.56&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.27&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4.40&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.41&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.14&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4.34&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.41&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.15&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4.28&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Expected long-term rate of return on assets &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4.50&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5.25&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6.00&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1.80&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.35&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.00&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Rate of increase in compensation levels&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.34&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.49&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.52&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5.00&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5.00&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5.00&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;The estimated discount rate for the Defined Benefit Pension Plan is 2.88% for the calculation of the 2022 net periodic pension costs.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(b)&#160;&#160;&#160;&#160;The expected rate of return on plan assets is 4.25% for the calculation of the 2022 net periodic pension cost.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The healthcare benefit obligation at December 31 was determined as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:55.917%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:20.391%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:20.392%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Trend Rate - Medical&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Pre-65 for next year - All Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6.05%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6.10%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Pre-65 Ultimate trend rate - Black Hills Corp&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4.50%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4.50%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Trend Year&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2030&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2027&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Post-65 for next year - All Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5.10%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4.92%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Post-65 Ultimate trend rate - Black Hills Corp&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4.50%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4.50%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Trend Year&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2030&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2029&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following benefit payments to employees, which reflect future service, are expected to be paid (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:22.876%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.198%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:28.285%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:24.781%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Defined Benefit Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Supplemental Non-qualified Defined Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;26,249&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,156&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,806&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,133&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,224&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,334&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,683&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,410&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,042&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28,650&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,757&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,865&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2026&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28,968&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,782&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,752&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2027-2031&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;144,422&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12,553&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;21,615&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock>
    <us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzMzNg_ca60ae57-7c21-425d-bb60-31de688930f8"
      unitRef="number">0.50</us-gaap:DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5Xzc0Nw_46bf6788-000a-4ac4-a032-85b263a6f5dd"
      unitRef="number">0.20</us-gaap:DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage>
    <us-gaap:DefinedContributionPlanEmployersMatchingContributionAnnualVestingPercentage
      contextRef="i95c1e68a685b405096d1800124865eb2_D20210101-20211231"
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5Xzc2NA_db200e1d-d57d-43b8-89b0-079a10c2afde"
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      unitRef="gas_distribution_territory">1</bkh:NumberOfDefinedPensionPlans>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzI0NjQ_c09e65a1-5a06-4002-9799-da513b929e74"
      unitRef="number">0.22</us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage>
    <us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzI0NzA_4690f127-ca52-4d78-861b-6563c99f4ab0"
      unitRef="number">0.30</us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzI0OTk_2fa573a2-9b7e-4cee-b3e3-5963c4a97712"
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzI1MDU_4e9e31e5-5264-48e6-9155-383d97b6366f"
      unitRef="number">0.78</us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage>
    <us-gaap:ScheduleOfAllocationOfPlanAssetsTableTextBlock
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyNzUx_a4dfdbff-0e14-4ea7-b7a8-156693598916">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The percentages of total plan asset by investment category for our Pension Plan at December 31 were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:32.379%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:32.233%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:32.088%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Equity&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;21%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Real estate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fixed income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;74&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;69&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Cash&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Hedge funds&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;100%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;100%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfAllocationOfPlanAssetsTableTextBlock>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyNjQ5_cf2fca3c-2244-4cef-9526-88fbce9adfc5">Contributions for the years ended December 31 were as follows (in thousands):&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:69.617%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.541%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.542%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Defined Contribution Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Company retirement contributions&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;11,332&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10,455&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Company matching contributions&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15,938&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15,240&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:69.617%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.541%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:13.542%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%;text-decoration:underline"&gt;Defined Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Defined Benefit Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12,700&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Non-Pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,432&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,058&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Supplemental Non-Qualified Defined Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,576&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,674&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;</bkh:ScheduleOfEmployerContributionToEmployeeBenefitPlansTableTextBlock>
    <us-gaap:DefinedContributionPlanEmployerDiscretionaryContributionAmount
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEwOTk1MTE2NDg0OTM_07ab3be5-f052-437d-a922-8f82d5d892bc"
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyNzA1_765a683d-9485-4b56-8abb-925a0fa9fd16">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following tables set forth, by level within the fair value hierarchy, the assets that were accounted for at fair value on a recurring basis (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:33.064%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.021%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="33" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 2&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Investments Measured at Fair Value&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;NAV &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Investments&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Common Collective Trust - Cash and Cash Equivalents&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;6,009&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;6,009&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;6,009&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Common Collective Trust - Equity&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;70,262&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;70,262&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;70,262&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Common Collective Trust - Fixed Income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;339,219&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;339,219&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;339,219&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Common Collective Trust - Real Estate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;30,407&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;30,407&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Hedge Funds&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;12,490&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;12,490&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total investments measured at fair value&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;415,490&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;415,490&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;42,897&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;458,387&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:33.064%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.021%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="33" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 2&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Investments Measured at Fair Value&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;NAV &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Investments&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Common Collective Trust - Cash and Cash Equivalents&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;16,810&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;16,810&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;16,810&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Common Collective Trust - Equity&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;100,311&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;100,311&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;100,311&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Common Collective Trust - Fixed Income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;324,845&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;324,845&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;324,845&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Common Collective Trust - Real Estate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;14,301&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;14,301&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Hedge Funds&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;17,454&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;17,454&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total investments measured at fair value&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;441,966&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;441,966&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;31,755&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;473,721&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Certain investments that are measured at fair value using NAV per share (or its equivalent) for practical expedient have not been classified in the fair value hierarchy. The fair value amounts presented in these tables for these investments are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the reconciliation of changes in the plan&#x2019;s benefit obligations and fair value of plan assets above.&lt;/span&gt;&lt;/div&gt;</us-gaap:ScheduleOfAllocationOfPlanAssetsTableTextBlock>
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style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.021%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 2&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Investments Measured at Fair Value&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Investments&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Cash and Cash Equivalents&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;7,972&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;7,972&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;7,972&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total investments measured at fair value&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;7,972&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;7,972&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;7,972&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:44.207%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.017%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.826%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.021%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="27" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 1&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 2&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Level 3&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Investments Measured at Fair Value&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total Investments&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Cash and Cash Equivalents&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total investments measured at fair value&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span 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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyNjY2_a8fcc489-1eaf-4efa-9951-c40b5fbf281d">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following tables provide a reconciliation of the employee benefit plan obligations and fair value of employee benefit plan assets, amounts recognized in the Consolidated Balance Sheets, accumulated benefit obligation, and reconciliation of components of the net periodic expense and elements of AOCI (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Employee Benefit Plan Obligations&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:38.081%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.256%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.256%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.402%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.701%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Defined Benefit Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Supplemental Non-qualified Defined &lt;br/&gt;Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Change in benefit obligation:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Projected benefit obligation at beginning of year&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;514,008&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;485,376&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;55,054&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;54,088&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;70,238&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;65,277&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Service cost &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,038&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,411&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,149&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,579&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,237&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,056&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Interest cost&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,313&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,426&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;706&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,099&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,058&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,649&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Actuarial (gain) loss&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(14,037)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;47,064&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,073)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;962&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(5,165)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,804&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amendments&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(561)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Benefits paid &lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(35,499)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(37,269)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,576)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,674)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(6,432)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(6,058)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Plan participants&#x2019; contributions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,548&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,510&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Projected benefit obligation at end of year&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;478,262&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;514,008&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;55,260&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 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style="width:9.572%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.402%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.701%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Defined Benefit&lt;br/&gt;Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Supplemental Non-qualified Defined &lt;br/&gt;Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Change in fair value of plan assets:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;473,721&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;434,284&#160;&lt;/span&gt;&lt;/td&gt;&lt;td 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,305&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Investment income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;20,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;64,006&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(35)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;33&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Employer contributions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12,700&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,576&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,674&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,726&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,374&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Retiree contributions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,548&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,511&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Benefits paid&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(35,499)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(37,269)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,576)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2,674)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(6,432)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(6,058)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Ending fair value of plan assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;458,387&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;473,721&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,972&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 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style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Service cost &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.2pt;font-weight:400;line-height:100%;position:relative;top:-2.8pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;5,038&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span 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style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,149&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,579&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4,995&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2,237&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2,056&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,815&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Interest cost&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;9,313&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;13,426&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;17,374&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;706&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,099&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,295&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,058&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,649&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2,247&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Expected return on assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(20,876)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(22,591)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(24,401)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(136)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(182)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(230)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net amortization of prior service cost&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;26&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(434)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(546)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(398)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Recognized net actuarial loss (gain)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;7,315&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,372&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,763&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,754&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,702&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;535&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;466&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;20&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net periodic expense&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;790&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid 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style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2,145&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;5,609&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4,382&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;6,827&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,191&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2,997&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;3,434&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;For the year ended December 31, 2020, Service Cost for the Supplemental Non-qualified Defined Benefit Plans includes a $1.4&#160;million correction of a prior year overstatement of Projected benefit 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style="width:0.1%"/&gt;&lt;td style="width:0.532%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.416%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:8.713%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Defined Benefit&lt;br/&gt;Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Supplemental&lt;br/&gt;Non-qualified Defined Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;As of December 31,&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net (gain) loss&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,398&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,511&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,159&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,323&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(308)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;100&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Prior service cost (gain)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(46)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(27)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(144)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total amounts included in AOCI, after-tax not yet recognized as components of net periodic expense&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,352&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,511&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,159&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,323&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(335)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(44)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 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solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Discount rate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.88&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.56&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.27&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.77&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.41&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.14&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.79&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.41&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.15&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Rate of increase in compensation levels&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.08&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.34&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.49&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5.00&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5.00&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5.00&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;N/A&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:27.701%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.648%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:6.655%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Defined Benefit&lt;br/&gt;Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Supplemental&lt;br/&gt;Non-qualified Defined Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted-average assumptions used to determine net periodic benefit cost for plan year:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Discount rate &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.56&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.27&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4.40&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.41&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3.14&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span 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style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span 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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTQvZnJhZzphODU5MWU4OTM5YjU0OWY0YmMzYmNiNjFjYWE4Y2JiOS90ZXh0cmVnaW9uOmE4NTkxZTg5MzliNTQ5ZjRiYzNiY2I2MWNhYThjYmI5XzEyNjc2_313a7e2d-b9a5-4f8d-b06e-b733c37120b4">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The healthcare benefit obligation at December 31 was determined as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:55.917%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:20.391%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:20.392%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:100%"&gt;Trend Rate - Medical&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Pre-65 for next year - All Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6.05%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6.10%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Pre-65 Ultimate trend rate - Black Hills Corp&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4.50%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4.50%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Trend Year&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2030&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2027&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Post-65 for next year - All Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5.10%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4.92%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Post-65 Ultimate trend rate - Black Hills Corp&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4.50%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4.50%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Trend Year&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2030&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2029&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfHealthCareCostTrendRatesTableTextBlock>
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style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:28.285%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.530%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:24.781%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Defined Benefit Pension Plan&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Supplemental Non-qualified Defined Benefit Plans&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Non-pension Defined Benefit Postretirement Healthcare Plan&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;26,249&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,156&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,806&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,133&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,224&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,334&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2024&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;27,683&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,410&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,042&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2025&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28,650&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span 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    <us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzQxNTY_5d4b7a48-3fda-4a69-b98a-162afabd1dc5">SHARE-BASED COMPENSATION PLANS&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our 2015 Omnibus Incentive Plan allows for the granting of stock, restricted stock, restricted stock units, stock options, performance shares and performance share units. We had 416,325 shares available to grant at December 31, 2021.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Compensation expense is determined using the grant date fair value estimated in accordance with the provisions of accounting standards for stock compensation and is recognized over the vesting periods of the individual awards. As of December 31, 2021, total unrecognized compensation expense related to non-vested stock awards was approximately $14 million and is expected to be recognized over a weighted-average period of two years. Stock-based compensation expense, which is included in Operations and maintenance on the accompanying Consolidated Statements of Income, was as follows for the years ended December 31 (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:56.733%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.955%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.955%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.957%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Stock-based compensation expense&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,655&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,373&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12,095&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Restricted Stock&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The fair value of restricted stock and restricted stock unit awards equals the market price of our stock on the date of grant.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The shares carry a restriction on the ability to sell the shares until the shares vest. The shares substantially vest over three years, contingent on continued employment. Compensation expense related to the awards is recognized over the vesting period.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;A summary of the status of the restricted stock and restricted stock units at December 31, 2021, was as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:59.661%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:16.469%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:20.570%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Restricted Stock&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted-Average Grant Date Fair Value&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Balance at January 1, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;196&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;69.05&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Granted&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;118&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;65.64&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Vested&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(83)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;67.85&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Forfeited&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(12)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;69.59&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Balance at December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;219&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;67.64&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The weighted-average grant-date fair value of restricted stock granted and the total fair value of shares vested during the years ended December 31, were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:59.897%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.401%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.402%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted-Average Grant Date Fair Value&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total Fair Value of Shares Vested&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;65.64&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,400&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;69.49&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,722&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;73.66&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,438&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;As of December 31, 2021, there was $11 million of unrecognized compensation expense related to non-vested restricted stock that is expected to be recognized over a weighted-average period of 2.2 years.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Performance Share Plan&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Prior to 2021, certain officers of the Company and its subsidiaries became participants in a market-based performance share award plan. Performance shares are awarded based on our total shareholder return over designated performance periods as measured against a selected peer group. In addition, certain stock price performance must be achieved for a payout to occur. The final value of the performance shares will vary according to the number of shares of common stock that are ultimately granted based upon the actual level of attainment of the performance criteria.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;These performance awards are paid 50% in cash and 50% in common stock. The cash portion accrued is classified as a liability and the stock portion is classified as equity. In the event of a change-in-control, performance awards are paid 100% in cash. If it is determined that a change-in-control is probable, the equity portion of $2.1 million at December 31, 2021 would be reclassified as a liability.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The outstanding performance periods at December 31, 2021 were as follows (shares in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.514%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:30.478%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.806%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.350%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.352%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Possible Payout Range of Target&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Grant Date&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Performance Period&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Target Grant of Shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Minimum&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Maximum&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;January 1, 2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;January 1, 2020 - December 31, 2022&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;36&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;0%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;200%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;January 1, 2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;January 1, 2019 - December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;36&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;0%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;200%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;A summary of the status of the Performance Share Plan at December 31, 2021 was as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:40.420%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.326%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.835%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.423%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Equity Portion&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liability Portion&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:24pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted-Average Grant Date Fair Value&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted-Average Fair Value at&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Performance Shares balance at beginning of period&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;61&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;69.71&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;61&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Granted&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Forfeited&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Vested&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(25)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;61.82&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(25)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Performance Shares balance at end of period&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;36&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;68.14&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;36&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;31.51&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;The grant date fair values for the performance shares granted in 2020 and 2019 were determined by Monte Carlo simulation using a blended volatility of 18% and 21%, respectively, comprised of 50% historical volatility and 50% implied volatility and the average risk-free interest rate of the three-year United States Treasury security rate in effect as of the grant date.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The weighted-average grant-date fair value of performance share awards granted was as follows in the years ended:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:74.777%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:23.023%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted Average Grant Date Fair Value&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;81.42&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;68.72&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Performance plan payouts have been as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:50.215%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.595%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.595%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.595%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.500%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Performance Period&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Year Paid&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Stock Issued&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Cash Paid&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total Intrinsic Value&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;January 1, 2018 to December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;28&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,647&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,294&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;January 1, 2017 to December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;14&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,100&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,199&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 1.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;January 1, 2016 to December 31, 2018&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;44&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,860&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,720&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On January 25, 2022, the Compensation Committee of our Board of Directors determined that the Company&#x2019;s total shareholder return for the January 1, 2018 to December 31, 2020 performance period was at the 30th percentile of its peer group and confirmed a payout equal to 40.17% of target shares, valued at $1.0 million. The payout was fully accrued at December&#160;31, 2021.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Performance Share Units&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Beginning in 2021, certain officers of the Company, and its subsidiaries, were granted performance share units which have a three-year vesting period, do not have voting rights until vested, and are subject to three specified conditions. A market condition of relative total shareholder return, and two equally weighted performance metrics of average earnings per share and the average cost to serve. The units are paid 100% in common stock should conditions be met and can range from 0% to 200% of the target award. Dividend equivalents are accrued during the vesting period and paid out based on the final number of shares awarded. In the event of participant&#x2019;s death or retirement at age 55 or older, awarded vest on a pro-rata basis over the three-year period.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Performance Share Units - Market Condition&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The fair value of each share unit is based on the Company&#x2019;&#x2019;s closing price at December 31 of the year prior to the award and a Monte Carlo simulation. The Monte Carlo simulation is used to estimate expected share payout based on the Company&#x2019;s TSR for a three-year performance period relative to the designated peer group beginning January 1 of the award year.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.700%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.036%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fair value of share units award&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$64.97&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Three-year risk-free rate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;0.17%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Black Hills Corporation&#x2019;s common stock volatility&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;33%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Volatility range for the peer group&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;25&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;-&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;76%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:120%"&gt;Performance Share Units - Performance Condition&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;A performance condition share unit vests at the end of the three-year performance period if the specified performance conditions are achieved. The conditions are based on the Company&#x2019;s average earnings per share and the average cost to serve. The grant-date fair value for an individual outcome of a performance condition is determined by the closing common share price on the grant date.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following table summarizes the performance share unit activity for the year ended December&#160;31, 2021:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:40.420%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.326%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.835%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.423%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Performance Share Units - &lt;br/&gt;Market Condition&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Performance Share Units - &lt;br/&gt;Performance Condition&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:24pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Share Units&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted-Average Fair Value per Share Unit&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Share Units&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted-Average Fair Value per Share Unit&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Nonvested at January 1, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Granted&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32,903&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;64.97&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;21,948&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;61.45&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Nonvested at December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32,903&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;64.97&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;21,948&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;61.45&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;As of December 31, 2021, there was $2.9 million of unrecognized compensation expense related to outstanding performance share/unit plans that is expected to be recognized over a 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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzQxNTQ_ab2b9f0b-30b4-4bef-a577-1a29605091cd">Stock-based compensation expense, which is included in Operations and maintenance on the accompanying Consolidated Statements of Income, was as follows for the years ended December 31 (in thousands):&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:56.733%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.955%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.955%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.957%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Stock-based compensation expense&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,655&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,373&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12,095&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock>
    <us-gaap:ShareBasedCompensation
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpiMGUwNTIxY2M3NGI0MTVkODA1Yzg0ZGM4YzViOWNmMy90YWJsZXJhbmdlOmIwZTA1MjFjYzc0YjQxNWQ4MDVjODRkYzhjNWI5Y2YzXzEtMS0xLTEtMA_10ce9416-4258-4197-a633-be84b7fde4c3"
      unitRef="usd">9655000</us-gaap:ShareBasedCompensation>
    <us-gaap:ShareBasedCompensation
      contextRef="id1138dffdb8347e7ad4a43aa9b1a7d63_D20200101-20201231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpiMGUwNTIxY2M3NGI0MTVkODA1Yzg0ZGM4YzViOWNmMy90YWJsZXJhbmdlOmIwZTA1MjFjYzc0YjQxNWQ4MDVjODRkYzhjNWI5Y2YzXzEtMi0xLTEtMA_26ecffce-9284-47de-9ebc-8f6032422a8f"
      unitRef="usd">5373000</us-gaap:ShareBasedCompensation>
    <us-gaap:ShareBasedCompensation
      contextRef="i1fd3ee968dfd4129b3620bf27cb287c5_D20190101-20191231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90YWJsZTpiMGUwNTIxY2M3NGI0MTVkODA1Yzg0ZGM4YzViOWNmMy90YWJsZXJhbmdlOmIwZTA1MjFjYzc0YjQxNWQ4MDVjODRkYzhjNWI5Y2YzXzEtMy0xLTEtMA_2603cc2b-07bc-4aa9-9bee-760fc8f250e1"
      unitRef="usd">12095000</us-gaap:ShareBasedCompensation>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
      contextRef="icc27742d71d2428e89b6ca272ada8ddc_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzEzNjI_933102c8-62cf-4483-b224-dc86e827ba54">P3Y</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1>
    <us-gaap:ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzQxNTI_a2b914a5-c314-4300-a7d4-bb36f6eaaac7">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;A summary of the status of the restricted stock and restricted stock units at December 31, 2021, was as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:59.661%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:16.469%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:20.570%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Restricted Stock&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted-Average Grant Date Fair Value&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Balance at January 1, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;196&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;69.05&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Granted&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;118&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;65.64&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Vested&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(83)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;67.85&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Forfeited&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(12)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;69.59&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Balance at December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;219&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;67.64&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The weighted-average grant-date fair value of restricted stock granted and the total fair value of shares vested during the years ended December 31, were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:59.897%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.401%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.402%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted-Average Grant Date Fair Value&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total Fair Value of Shares Vested&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;65.64&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,400&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;69.49&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;6,722&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" 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    <us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
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    <us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzQxNTA_fda3f325-9189-4d35-9cf4-3b5e21cb979e">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The outstanding performance periods at December 31, 2021 were as follows (shares in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.514%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:30.478%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.806%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.350%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.352%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Possible Payout Range of Target&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Grant Date&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Performance Period&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Target Grant of Shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Minimum&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Maximum&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;January 1, 2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;January 1, 2020 - December 31, 2022&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;36&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;0%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;200%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;January 1, 2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;January 1, 2019 - December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;36&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;0%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;200%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;A summary of the status of the Performance Share Plan at December 31, 2021 was as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:40.420%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.326%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.835%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.423%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Equity Portion&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Liability Portion&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:24pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="text-align:center"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted-Average Grant Date Fair Value&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted-Average Fair Value at&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Shares&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(in thousands)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Performance Shares balance at beginning of period&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;61&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;69.71&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;61&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Granted&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Forfeited&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Vested&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(25)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;61.82&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(25)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Performance Shares balance at end of period&lt;/span&gt;&lt;/td&gt;&lt;td 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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzc2OTY1ODE0MTIzNzQ_8cdf4b79-7019-4556-8f43-8ea492d57570">The Monte Carlo simulation is used to estimate expected share payout based on the Company&#x2019;s TSR for a three-year performance period relative to the designated peer group beginning January 1 of the award year.&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:72.730%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.700%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.036%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="border-bottom:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Fair value of share units award&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$64.97&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Three-year risk-free rate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;0.17%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Black Hills Corporation&#x2019;s common stock volatility&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="background-color:#ceffe7;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;33%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Volatility range for the peer group&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;25&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;-&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;76%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;</us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock>
    <bkh:ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriodUsedToEstimateExpectedSharePayout
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      unitRef="number">0.0017</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
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      unitRef="number">0.33</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
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      unitRef="number">0.76</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum>
    <bkh:ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriodUsedToEstimateExpectedSharePayout
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzYwNDczMTM5NzA3OTM_5ede032b-6475-487b-9db0-e130db27578f">P3Y</bkh:ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriodUsedToEstimateExpectedSharePayout>
    <us-gaap:ScheduleOfNonvestedShareActivityTableTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMTcvZnJhZzo1NjBkMjEwZDJhMzk0MzU4OGQwYjRkNmNiMzgxZWVlZi90ZXh0cmVnaW9uOjU2MGQyMTBkMmEzOTQzNTg4ZDBiNGQ2Y2IzODFlZWVmXzE2NDkyNjc0NTk1NTI_38e2b491-eca4-4420-a238-7b116d5aab0a">The grant-date fair value for an individual outcome of a performance condition is determined by the closing common share price on the grant date.&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following table summarizes the performance share unit activity for the year ended December&#160;31, 2021:&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:40.420%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.326%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:14.835%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.423%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Performance Share Units - &lt;br/&gt;Market Condition&lt;/span&gt;&lt;/td&gt;&lt;td colspan="6" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Performance Share Units - &lt;br/&gt;Performance Condition&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:24pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Share Units&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted-Average Fair Value per Share Unit&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Share Units&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" rowspan="2" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Weighted-Average Fair Value per Share Unit&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Nonvested at January 1, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Granted&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32,903&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;64.97&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" 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We expect to recover these costs from customers over several years. Winter Storm Uri costs, which will be deductible in our 2021 tax return, created a net deferred tax liability which had a balance of $124&#160;million as of December 31, 2021. The deferred tax liability will reverse with the same timing as the costs are recovered from our customers.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The income tax deduction recognized from Winter Storm Uri will create a $509&#160;million NOL in our 2021 federal income tax return and a $375&#160;million NOL in our state income tax returns. Our federal NOL carryforwards related to Winter Storm Uri and other recent adjustments no longer expire due to the TCJA; however, our state NOL carryforwards expire at various dates from 2022 to 2041. We do not anticipate material changes to our valuation allowance against the state NOL carryforwards from Winter Storm Uri. Therefore, we did not record an additional valuation allowance against the state NOL carryforwards as of December 31, 2021.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;CARES Act&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On March 27, 2020, President Trump signed the CARES Act, which contained, in part, an allowance for deferral of the employer portion of Social Security employment tax liabilities until 2021 and 2022, as well as a COVID-19 employee retention tax credit of up to $5,000 per eligible employee.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;During the year ended December 31, 2020, we utilized the payroll tax deferral provision which allowed us to defer payment of approximately $10&#160;million of Social Security employment tax liabilities, of which $4.8&#160;million was subsequently paid in 2021 and the remaining portion will be paid in 2022. During the year ended December 31, 2021, we completed our study of the CARES Act employee retention tax credits and recognized $1.2&#160;million of gross payroll tax credits.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;TCJA&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;On December 22, 2017, the U.S. government enacted comprehensive tax legislation commonly referred to as the TCJA. The TCJA reduced the U.S. federal corporate tax rate from 35% to 21%. As such, the Company remeasured the deferred income taxes at the 21% federal tax rate as of December 31, 2017. The entities subject to regulatory construct have made their best estimate regarding the probability of settlements of net regulatory liabilities established pursuant to the TCJA. The amount of the settlements may change based on decisions and actions by the federal and state utility commissions, which could have a material impact on the Company&#x2019;s future results of operations, cash flows or financial position. A majority of the excess deferred taxes are subject to the average rate assumption method, as prescribed by the IRS, and will generally be amortized as a reduction of customer rates over the remaining lives of the related assets. As of December 31, 2021, the Company has amortized, or provided bill credits for, $23 million of the regulatory liability. The portion that was eligible for amortization under the average rate assumption method in 2021 but is awaiting resolution of the treatment of these amounts in future regulatory proceedings has not been recognized, and may be refunded in customer rates at any time in accordance with the resolution of pending or future regulatory proceedings.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Income Tax Expense (Benefit)&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Income tax expense (benefit) from continuing operations for the years ended December 31 was (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:58.110%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.498%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Federal&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;574&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(6,020)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(8,578)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;State&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(666)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;847&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;138&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current income tax (benefit)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(92)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(5,173)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(8,440)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Federal&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,170&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;35,672&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;34,551&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;State&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,091&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,419&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,469&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred income tax expense&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,261&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;38,091&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;38,020&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income tax expense&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,169&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32,918&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;29,580&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Effective Tax Rates&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The effective tax rate differs from the federal statutory rate for the years ended December 31, as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:58.110%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.498%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Federal statutory rate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;21.0&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;21.0&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;21.0&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;State income tax (net of federal tax effect)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1.2&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.4&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1.5&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:12pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Non-controlling interest &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1.2)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1.2)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1.2)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:12pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Tax credits&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(8.4)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(9.2)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3.9)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:12pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Flow-through adjustments&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3.2)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1.6)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2.4)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Uncertain Tax Benefits&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;0.3&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1.5&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Valuation Allowance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;0.7&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other tax differences&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(0.2)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;0.6&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1.6)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:12pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization of excess deferred income tax expense &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3.1)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2.3)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1.2)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:12pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;TCJA bill credits &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(e)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3.6)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Effective Tax Rate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.8&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;11.9&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12.2&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;The effective tax rate reflects the income attributable to the non-controlling interest in Black Hills Colorado IPP for which a tax provision was not recorded.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:115%"&gt;(b)&#160;&#160;&#160;&#160;In 2020, the Company completed a research and development study which encompassed tax years from 2013 to 2019.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(c)&#160;&#160;&#160;&#160;Flow-through adjustments related primarily to accounting method changes for tax purposes that allow us to take a current tax deduction for repair costs, certain indirect costs and gain deferral. We recorded a deferred income tax liability in recognition of the temporary difference created between book and tax treatment and flowed the tax benefit through to tax expense. A regulatory asset was established to reflect the recovery of future increases in taxes payable from customers as the temporary differences reverse. As a result of this regulatory treatment, we continue to record tax benefits consistent with the flow-through method.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(d)&#160;&#160;&#160;&#160;Primarily TCJA - see above.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(e)&#160;&#160;&#160;&#160;As discussed in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_175" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 2&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt; above, Colorado Electric and Nebraska Gas bill credits, which represent a disposition of excess deferred income tax benefits resulting from the TCJA, were delivered to customers in 2021. These bill credits, which resulted in a reduction in revenue, were offset by a reduction in income tax expense and resulted in a minimal impact to Net income for the year ended December 31, 2021.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Deferred Tax Assets and Liabilities&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The temporary differences, which gave rise to the net deferred tax liability, for the years ended December 31 were as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:60.595%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.052%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.053%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred tax assets:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Regulatory liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;77,099&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;90,535&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;State tax credits&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;23,342&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;23,339&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Federal NOL&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;227,535&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;96,155&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;State NOL&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;33,639&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,914&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Partnership&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,395&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15,601&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Credit Carryovers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;68,646&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;51,445&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other deferred tax assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;31,996&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;40,143&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less: Valuation allowance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(14,719)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(13,943)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total deferred tax assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;460,933&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;313,189&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred tax liabilities:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accelerated depreciation, amortization and other property-related differences&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(597,284)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(551,137)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Regulatory assets&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(124,582)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(28,007)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Goodwill&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(45,471)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(30,590)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;State deferred tax liability &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(109,136)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(73,910)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other deferred tax liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(49,848)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(38,169)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total deferred tax liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(926,321)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(721,813)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net deferred tax liability&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(465,388)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(408,624)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Increase primarily driven by Winter Storm Uri &#x2014; see above.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Net Operating Loss Carryforwards&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;At December 31, 2021, we have federal and state NOL carryforwards that will expire at various dates as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:40.481%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:2.853%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.372%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:2.853%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.759%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:5.781%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.201%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amounts&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Expiration Dates&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Federal NOL Carryforward&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;476,033&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;to&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2037&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Federal NOL Carryforward&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;607,465&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;No expiration&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;State NOL Carryforward &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;572,203&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;to&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2041&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;The carryforward balance is reflected on the basis of apportioned tax losses to jurisdictions imposing state income taxes.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;As of December 31, 2021, we had a $1.1 million valuation allowance against the state NOL carryforwards. Our 2021 analysis of the ability to utilize such NOLs resulted in no increase in the valuation allowance. If the valuation allowance is adjusted due to higher or lower than anticipated utilization of the NOLs, the offsetting amount will affect tax expense.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%"&gt;Unrecognized Tax Benefits&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following table reconciles the total amounts of unrecognized tax benefits, without interest, at the beginning and end of the period included in Other deferred credits and other liabilities on the accompanying Consolidated Balance Sheets (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:31.794%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:21.268%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:21.268%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:21.270%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Changes in Uncertain Tax Positions:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Beginning balance&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,383&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,583&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Additions for prior year tax positions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;448&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,788&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;446&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Reductions for prior year tax positions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(732)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1,313)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(862)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Additions for current year tax positions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,455&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1,743&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;998&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Ending balance&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10,554&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,383&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The total amount of unrecognized tax benefits that, if recognized, would impact the effective tax rate is approximately $5.1 million.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;We recognized no interest expense associated with income taxes for the years ended December 31, 2021, December 31, 2020 and December 31, 2019. We had no accrued interest (before tax effect) associated with income taxes at December 31, 2021 and December 31, 2020.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The Company is subject to federal income tax as well as income tax in various state and local jurisdictions. Black Hills Gas, Inc. and subsidiaries, which filed a separate consolidated tax return from BHC and subsidiaries through March 31, 2018, is under examination by the IRS for 2014. BHC is no longer subject to examination for tax years prior to 2017.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;As of December 31, 2021, we do not have any tax positions for which it is reasonably possible that the total amount of unrecognized tax benefits will significantly increase or decrease on or before December 31, 2022.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;State tax credits have been generated and are available to offset future state income taxes.  At December 31, 2021, we had the following state tax credit carryforwards (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:34.090%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.322%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.574%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:5.938%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.576%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;State Tax Credit Carryforwards&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amounts&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Expiration Year&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;ITC&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;23,060&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;to&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2041&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Research and development&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;282&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;No expiration&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;As of December 31, 2021, we had a $13.6 million valuation allowance against the state ITC carryforwards. Our 2021 analysis of the ability to utilize such ITC resulted in a $0.8&#160;million increase in the valuation allowance, which resulted in an increase to tax expense of $0.8&#160;million. The valuation allowance adjustment was primarily attributable to changes in forecasted future state taxable income.&lt;/span&gt;&lt;/div&gt;</us-gaap:IncomeTaxDisclosureTextBlock>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzgzNjY_e31f2f15-f28e-41bf-8cbc-8f4c5f1c0e3e">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Income tax expense (benefit) from continuing operations for the years ended December 31 was (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:58.110%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.498%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Federal&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;574&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(6,020)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(8,578)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;State&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(666)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;847&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;138&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Current income tax (benefit)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(92)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(5,173)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(8,440)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Federal&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,170&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;35,672&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;34,551&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;State&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,091&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2,419&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,469&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred income tax expense&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,261&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;38,091&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;38,020&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Income tax expense&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;7,169&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;32,918&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;29,580&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock>
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style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;State income tax (net of federal tax effect)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1.2&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.4&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1.5&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:12pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Non-controlling interest &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1.2)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1.2)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1.2)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:12pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Tax credits&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(8.4)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(9.2)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3.9)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;td colspan="3" style="display:none"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:12pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Flow-through adjustments&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3.2)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1.6)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2.4)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Uncertain Tax Benefits&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;0.3&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;1.5&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Valuation Allowance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;0.7&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other tax differences&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(0.2)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;0.6&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1.6)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:12pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amortization of excess deferred income tax expense &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3.1)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(2.3)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(1.2)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:12pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;TCJA bill credits &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(e)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(3.6)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Effective Tax Rate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2.8&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;11.9&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;12.2&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;%&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;The effective tax rate reflects the income attributable to the non-controlling interest in Black Hills Colorado IPP for which a tax provision was not recorded.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:115%"&gt;(b)&#160;&#160;&#160;&#160;In 2020, the Company completed a research and development study which encompassed tax years from 2013 to 2019.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(c)&#160;&#160;&#160;&#160;Flow-through adjustments related primarily to accounting method changes for tax purposes that allow us to take a current tax deduction for repair costs, certain indirect costs and gain deferral. We recorded a deferred income tax liability in recognition of the temporary difference created between book and tax treatment and flowed the tax benefit through to tax expense. A regulatory asset was established to reflect the recovery of future increases in taxes payable from customers as the temporary differences reverse. As a result of this regulatory treatment, we continue to record tax benefits consistent with the flow-through method.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(d)&#160;&#160;&#160;&#160;Primarily TCJA - see above.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(e)&#160;&#160;&#160;&#160;As discussed in &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_175" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Note 2&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt; above, Colorado Electric and Nebraska Gas bill credits, which represent a disposition of excess deferred income tax benefits resulting from the TCJA, were delivered to customers in 2021. These bill credits, which resulted in a reduction in revenue, were offset by a reduction in income tax expense and resulted in a minimal impact to Net income for the year ended December 31, 2021.&lt;/span&gt;&lt;/div&gt;</us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5Xzg0MDY_15cff663-5a50-4d0b-b668-80c646b8483c">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The temporary differences, which gave rise to the net deferred tax liability, for the years ended December 31 were as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:60.595%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.052%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.053%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred tax assets:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Regulatory liabilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;77,099&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;90,535&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;State tax credits&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;23,342&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;23,339&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Federal NOL&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;227,535&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;96,155&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;State NOL&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;33,639&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,914&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Partnership&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;13,395&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;15,601&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Credit Carryovers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;68,646&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;51,445&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other deferred tax assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;31,996&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;40,143&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Less: Valuation allowance&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(14,719)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(13,943)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total deferred tax assets&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;460,933&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;313,189&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Deferred tax liabilities:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Accelerated depreciation, amortization and other property-related differences&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(597,284)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(551,137)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Regulatory assets&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt; (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(124,582)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(28,007)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Goodwill&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(45,471)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(30,590)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div style="padding-left:6.75pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;State deferred tax liability &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(109,136)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(73,910)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Other deferred tax liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(49,848)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(38,169)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 19pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total deferred tax liabilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(926,321)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(721,813)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 12.25pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Net deferred tax liability&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(465,388)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(408,624)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-bottom:3pt double #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div 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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzgzOTM_0d14034a-72d2-46cc-bba4-57f5e7ee09f6">&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;At December 31, 2021, we have federal and state NOL carryforwards that will expire at various dates as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:40.481%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:2.853%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:18.372%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:2.853%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:10.759%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:5.781%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.201%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amounts&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Expiration Dates&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Federal NOL Carryforward&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;476,033&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;to&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2037&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Federal NOL Carryforward&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;607,465&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;No expiration&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:15pt"&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;State NOL Carryforward &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;572,203&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2022&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;to&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2041&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;The carryforward balance is reflected on the basis of apportioned tax losses to jurisdictions imposing state income taxes.&lt;/span&gt;&lt;/div&gt;</us-gaap:SummaryOfOperatingLossCarryforwardsTextBlock>
    <us-gaap:OperatingLossCarryforwards
      contextRef="ic504e3ff0a5b4982beadbfbef4117e64_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpkZWQ1ODMzM2FkMjQ0YmMwOGZlYzNhYTlkNzkwNGQ0Yy90YWJsZXJhbmdlOmRlZDU4MzMzYWQyNDRiYzA4ZmVjM2FhOWQ3OTA0ZDRjXzEtMi0xLTEtMA_5368edf4-7aa8-4046-bb42-3b24342e93e8"
      unitRef="usd">476033000</us-gaap:OperatingLossCarryforwards>
    <bkh:OperatingLossCarryforwardsWithNoExpirationDate
      contextRef="ic504e3ff0a5b4982beadbfbef4117e64_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpkZWQ1ODMzM2FkMjQ0YmMwOGZlYzNhYTlkNzkwNGQ0Yy90YWJsZXJhbmdlOmRlZDU4MzMzYWQyNDRiYzA4ZmVjM2FhOWQ3OTA0ZDRjXzItMi0xLTEtMA_1fa36447-4877-4a7e-b079-f73c73f4e87e"
      unitRef="usd">607465000</bkh:OperatingLossCarryforwardsWithNoExpirationDate>
    <us-gaap:OperatingLossCarryforwards
      contextRef="i0e8c5f41a82c4d0a97d42bb30f555bf3_I20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90YWJsZTpkZWQ1ODMzM2FkMjQ0YmMwOGZlYzNhYTlkNzkwNGQ0Yy90YWJsZXJhbmdlOmRlZDU4MzMzYWQyNDRiYzA4ZmVjM2FhOWQ3OTA0ZDRjXzQtMi0xLTEtMA_a6c0d1b7-6265-4358-bcfc-556f13da990e"
      unitRef="usd">572203000</us-gaap:OperatingLossCarryforwards>
    <us-gaap:OperatingLossCarryforwardsValuationAllowance
      contextRef="idaa38eea823b401d82e9b5878331f25d_I20211231"
      decimals="-5"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzYxOTY_15d3d9db-9d75-494e-80d8-59bba591ec51"
      unitRef="usd">1100000</us-gaap:OperatingLossCarryforwardsValuationAllowance>
    <us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount
      contextRef="iec07d69519134f38b0621f67d3998ec4_D20210101-20211231"
      decimals="-3"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzYzMjU_7e24d440-0678-4ec2-af25-58ee6ab345ad"
      unitRef="usd">0</us-gaap:ValuationAllowanceDeferredTaxAssetChangeInAmount>
    <us-gaap:SummaryOfIncomeTaxContingenciesTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjAvZnJhZzo2ODkzZjJmMDRmNjg0ZDY3YTY5MzdhMDQ1NzMxNDAzOS90ZXh0cmVnaW9uOjY4OTNmMmYwNGY2ODRkNjdhNjkzN2EwNDU3MzE0MDM5XzgzODE_93391b1c-d9a2-448c-ac36-f7fcbc676a81">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;The following table reconciles the total amounts of unrecognized tax benefits, without interest, at the beginning and end of the period included in Other deferred credits and other liabilities on the accompanying Consolidated Balance Sheets (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:31.794%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:21.268%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:21.268%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:21.270%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Changes in Uncertain Tax Positions:&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Beginning balance&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,383&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,165&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,583&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Additions for prior year tax positions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;448&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,788&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;446&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Reductions for prior year tax positions&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;(732)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 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At December 31, 2021, we had the following state tax credit carryforwards (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:34.090%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:15.322%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.574%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:5.938%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:19.576%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;State Tax Credit Carryforwards&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Amounts&lt;/span&gt;&lt;/td&gt;&lt;td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Expiration Year&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;ITC&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;23,060&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2023&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;to&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2041&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Research and development&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;282&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="9" style="background-color:#ffffff;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;No expiration&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:SummaryOfTaxCreditCarryforwardsTextBlock>
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      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90ZXh0cmVnaW9uOjRjYTBmYzkzM2RiNTQ5MjViYzMzZGE5ZDJlMGUyYjE4XzEwOTI_9ff67e2c-8084-43cf-af89-1266d54cb7a5">BUSINESS SEGMENT INFORMATION&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our chief operating decision maker (CODM) reviews financial information presented on an operating segment basis for purposes of making decisions and assessing financial performance. Our CODM assesses the performance of our operating segments based on operating income.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;In the prior year, we had reported four operating segments: Electric Utilities, Gas Utilities, Power Generation and Mining. In the fourth quarter of 2021, we changed our operating segments to align with the revised manner in which our CODM reviews our financial performance and allocates resources. Our power generation and mining businesses, which were previously presented as separate operating segments, are now part of our Electric Utilities segment. This change aligns with our vertically integrated business model for our Electric Utilities. Comparative periods presented reflect this change.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Our operating segments are equivalent to our reportable segments.&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Segment information was as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:71.707%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.497%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total Assets (net of intercompany eliminations) as of December 31, &lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,796,662&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,602,233&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,246,370&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,376,204&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Corporate and Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;88,864&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;110,349&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,131,896&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,088,786&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:58.110%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.498%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Capital Expenditures &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt; for the years ended December 31, &lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;285,770&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;288,683&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;316,687&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;383,320&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;449,209&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;512,366&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Corporate and Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10,500&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;17,500&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;20,702&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total capital expenditures&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;679,590&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;755,392&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;849,755&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Includes accruals for property, plant and equipment as disclosed in the Supplemental Cash Flow Information to the &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_163" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Consolidated Statement of Cash Flows&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:38.227%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.037%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Consolidating Income Statement&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Year ended December 31, 2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Corporate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Inter-Company Eliminations&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:3pt"&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="15" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Revenue -&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;825,404&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,105,430&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,930,834&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;5,336&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;12,932&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;18,268&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;830,740&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,118,362&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,949,102&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Inter-company operating revenue -&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;11,518&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;6,110&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;196&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(17,824)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;393&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;356,151&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(356,544)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;11,518&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;6,503&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;356,347&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(374,368)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total revenue&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;842,258&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,124,865&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;356,347&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(374,368)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,949,102&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Fuel, purchased power and cost of natural gas sold&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;248,018&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;494,738&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;96&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(918)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;741,934&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Operations and maintenance, including taxes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;260,036&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;314,810&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;293,265&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(306,325)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;561,786&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Depreciation, depletion and amortization&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;131,528&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;104,160&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;26,838&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(26,573)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;235,953&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Operating income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;202,676&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;211,157&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;36,148&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(40,552)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;409,429&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Interest expense, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(152,404)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Impairment of investment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Other income (expense), net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,404&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Income tax benefit (expense)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(7,169)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;251,260&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net income attributable to non-controlling interest&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(14,516)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net income available for common stock&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;236,744&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:38.227%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.037%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Consolidating Income Statement&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Year ended December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Corporate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Inter-Company Eliminations&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="15" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Revenue -&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;721,108&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;959,696&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,680,804&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;6,175&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;9,962&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;16,137&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;727,283&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;969,658&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,696,941&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Inter-company operating revenue -&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;11,574&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4,724&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;167&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(16,465)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;288&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;352,976&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(353,264)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;11,574&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;5,012&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;353,143&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(369,729)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total revenue&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;738,857&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;974,670&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;353,143&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(369,729)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,696,941&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Fuel, purchased power and cost of natural gas sold&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;138,572&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;354,645&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;83&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(896)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;492,404&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Operations and maintenance, including taxes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;265,679&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;303,577&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;284,501&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(301,980)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;551,777&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Depreciation, depletion and amortization&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;123,632&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;100,559&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;25,150&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(24,884)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;224,457&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Operating income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;210,974&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;215,889&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;43,409&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(41,969)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;428,303&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Interest expense, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(143,470)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Impairment of investment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(6,859)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Other income (expense), net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(2,293)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Income tax benefit (expense)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(32,918)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;242,763&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net income attributable to non-controlling interest&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(15,155)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net income available for common stock&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;227,608&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:38.227%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.037%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Consolidating Income Statement&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Year ended December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Corporate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Inter-Company Eliminations&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="15" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Revenue - &lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;719,205&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,007,187&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,726,392&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,124&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;384&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,508&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;727,329&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,007,571&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,734,900&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Inter-company operating revenue - &lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;12,026&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2,459&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;230&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(14,715)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;343,974&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(343,974)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;12,026&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2,459&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;344,204&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(358,689)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total revenue&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;739,355&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,010,030&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;344,204&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(358,689)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,734,900&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Fuel, purchased power and cost of natural gas sold&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;145,972&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;425,898&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;269&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(1,310)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;570,829&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Operations and maintenance, including taxes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;259,167&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;301,844&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;286,800&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(298,902)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;548,909&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Depreciation, depletion and amortization&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;116,539&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;92,317&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;22,065&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(21,801)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;209,120&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Operating income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;217,677&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;189,971&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;35,070&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(36,676)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;406,042&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Interest expense, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(137,659)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Impairment of investment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(19,741)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Other income (expense), net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(5,740)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Income tax benefit (expense)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(29,580)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;213,322&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net income attributable to non-controlling interest&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(14,012)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net income available for common stock&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;199,310&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:SegmentReportingDisclosureTextBlock>
    <us-gaap:ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock
      contextRef="i996fcecccb0a4ba3b9353b6fa2deb330_D20210101-20211231"
      id="id3VybDovL2RvY3MudjEvZG9jOmQ5ODlkNDZkM2Y2NDRjOTg5ZmFjZDhiZDE5MzI1ZGE1L3NlYzpkOTg5ZDQ2ZDNmNjQ0Yzk4OWZhY2Q4YmQxOTMyNWRhNV8yMjMvZnJhZzo0Y2EwZmM5MzNkYjU0OTI1YmMzM2RhOWQyZTBlMmIxOC90ZXh0cmVnaW9uOjRjYTBmYzkzM2RiNTQ5MjViYzMzZGE5ZDJlMGUyYjE4XzEwODc_bdd51ad6-7b9f-4129-b8a8-56ccc8c06858">&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"&gt;Segment information was as follows (in thousands):&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:71.707%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.497%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total Assets (net of intercompany eliminations) as of December 31, &lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,796,662&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;3,602,233&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;5,246,370&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;4,376,204&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Corporate and Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;88,864&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;110,349&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total assets&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;9,131,896&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;8,088,786&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:58.110%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.496%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:12.498%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;div&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Capital Expenditures &lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline"&gt;(a)&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt; for the years ended December 31, &lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;2019&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;285,770&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;288,683&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;316,687&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;383,320&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;449,209&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;512,366&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Corporate and Other&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;10,500&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;17,500&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#cefee7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;20,702&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#cefee7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;Total capital expenditures&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;679,590&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;755,392&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:100%"&gt;849,755&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;____________________&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:18pt;text-indent:-18pt"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;(a)&#160;&#160;&#160;&#160;Includes accruals for property, plant and equipment as disclosed in the Supplemental Cash Flow Information to the &lt;/span&gt;&lt;span style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;&lt;a href="#id989d46d3f644c989facd8bd19325da5_163" style="color:#0000ff;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%;text-decoration:underline"&gt;Consolidated Statement of Cash Flows&lt;/a&gt;&lt;/span&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:120%"&gt;.&lt;/span&gt;&lt;/div&gt;</us-gaap:ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock>
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style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;825,404&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,105,430&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,930,834&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;5,336&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;12,932&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;18,268&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;830,740&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,118,362&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,949,102&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Inter-company operating revenue -&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;11,518&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;6,110&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;196&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(17,824)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;393&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;356,151&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(356,544)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;11,518&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;6,503&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;356,347&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(374,368)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total revenue&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;842,258&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,124,865&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;356,347&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(374,368)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,949,102&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Fuel, purchased power and cost of natural gas sold&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;248,018&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;494,738&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;96&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(918)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;741,934&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Operations and maintenance, including taxes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;260,036&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;314,810&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;293,265&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(306,325)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;561,786&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Depreciation, depletion and amortization&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;131,528&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;104,160&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;26,838&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(26,573)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;235,953&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Operating income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;202,676&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;211,157&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;36,148&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(40,552)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;409,429&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Interest expense, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(152,404)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Impairment of investment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Other income (expense), net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,404&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Income tax benefit (expense)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(7,169)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;251,260&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net income attributable to non-controlling interest&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(14,516)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net income available for common stock&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;236,744&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="margin-top:5pt;text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:38.227%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.037%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Consolidating Income Statement&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Year ended December 31, 2020&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Corporate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Inter-Company Eliminations&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="15" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Revenue -&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;721,108&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;959,696&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,680,804&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;6,175&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;9,962&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;16,137&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;727,283&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;969,658&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,696,941&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Inter-company operating revenue -&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;11,574&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;4,724&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;167&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(16,465)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;288&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;352,976&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(353,264)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;11,574&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;5,012&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;353,143&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(369,729)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total revenue&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;738,857&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;974,670&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;353,143&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(369,729)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,696,941&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Fuel, purchased power and cost of natural gas sold&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;138,572&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;354,645&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;83&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(896)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;492,404&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Operations and maintenance, including taxes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;265,679&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;303,577&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;284,501&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(301,980)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;551,777&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#cefee7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Depreciation, depletion and amortization&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;123,632&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;100,559&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;25,150&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(24,884)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;224,457&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Operating income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;210,974&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;215,889&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;43,409&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(41,969)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;428,303&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Interest expense, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(143,470)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Impairment of investment&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(6,859)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Other income (expense), net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(2,293)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Income tax benefit (expense)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(32,918)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net income&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;242,763&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net income attributable to non-controlling interest&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(15,155)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Net income available for common stock&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;227,608&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div&gt;&lt;span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center"&gt;&lt;table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"&gt;&lt;tr&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:38.227%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.034%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;td style="width:1.0%"/&gt;&lt;td style="width:11.037%"/&gt;&lt;td style="width:0.1%"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:0 1pt"/&gt;&lt;td colspan="15" style="padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:100%"&gt;Consolidating Income Statement&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Year ended December 31, 2019&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Electric Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Gas Utilities&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Corporate&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Inter-Company Eliminations&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="border-bottom:1pt solid #000000;border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="15" style="border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Revenue - &lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;719,205&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,007,187&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 0;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,726,392&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,124&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;384&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;8,508&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;727,329&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,007,571&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,734,900&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Inter-company operating revenue - &lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Contracts with customers&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;12,026&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2,459&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;230&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(14,715)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Other revenues&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;343,974&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(343,974)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;12,026&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;2,459&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;344,204&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(358,689)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;&#x2014;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Total revenue&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;739,355&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,010,030&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;344,204&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(358,689)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;1,734,900&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Fuel, purchased power and cost of natural gas sold&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;145,972&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;425,898&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;269&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(1,310)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;570,829&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Operations and maintenance, including taxes&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;259,167&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;301,844&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;286,800&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(298,902)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;548,909&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Depreciation, depletion and amortization&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;116,539&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;92,317&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;22,065&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(21,801)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ceffe7;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;209,120&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ceffe7;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7.75pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Operating income (loss)&lt;/span&gt;&lt;/td&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;217,677&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;189,971&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;35,070&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(36,676)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;406,042&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr style="height:5pt"&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ceffe7;border-top:1pt solid #000000;padding:0 1pt"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;Interest expense, net&lt;/span&gt;&lt;/td&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="3" style="background-color:#ffffff;padding:0 1pt"/&gt;&lt;td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"&gt;&lt;span style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:100%"&gt;(137,659)&lt;/span&gt;&lt;/td&gt;&lt;td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="background-color:#ceffe7;padding:2px 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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
